bnx2.c 170.7 KB
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/* bnx2.c: Broadcom NX2 network driver.
 *
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 * Copyright (c) 2004-2007 Broadcom Corporation
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 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation.
 *
 * Written by: Michael Chan  (mchan@broadcom.com)
 */

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#include <linux/module.h>
#include <linux/moduleparam.h>

#include <linux/kernel.h>
#include <linux/timer.h>
#include <linux/errno.h>
#include <linux/ioport.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/dma-mapping.h>
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#include <linux/bitops.h>
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#include <asm/io.h>
#include <asm/irq.h>
#include <linux/delay.h>
#include <asm/byteorder.h>
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#include <asm/page.h>
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#include <linux/time.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
#ifdef NETIF_F_HW_VLAN_TX
#include <linux/if_vlan.h>
#define BCM_VLAN 1
#endif
#include <net/ip.h>
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#include <net/tcp.h>
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#include <net/checksum.h>
#include <linux/workqueue.h>
#include <linux/crc32.h>
#include <linux/prefetch.h>
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#include <linux/cache.h>
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#include <linux/zlib.h>
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#include "bnx2.h"
#include "bnx2_fw.h"
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#include "bnx2_fw2.h"
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#define FW_BUF_SIZE		0x10000
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#define DRV_MODULE_NAME		"bnx2"
#define PFX DRV_MODULE_NAME	": "
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#define DRV_MODULE_VERSION	"1.6.9"
#define DRV_MODULE_RELDATE	"December 8, 2007"
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#define RUN_AT(x) (jiffies + (x))

/* Time in jiffies before concluding the transmitter is hung. */
#define TX_TIMEOUT  (5*HZ)

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static const char version[] __devinitdata =
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	"Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";

MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
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MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708 Driver");
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MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_MODULE_VERSION);

static int disable_msi = 0;

module_param(disable_msi, int, 0);
MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");

typedef enum {
	BCM5706 = 0,
	NC370T,
	NC370I,
	BCM5706S,
	NC370F,
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	BCM5708,
	BCM5708S,
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	BCM5709,
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	BCM5709S,
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} board_t;

/* indexed by board_t, above */
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static const struct {
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	char *name;
} board_info[] __devinitdata = {
	{ "Broadcom NetXtreme II BCM5706 1000Base-T" },
	{ "HP NC370T Multifunction Gigabit Server Adapter" },
	{ "HP NC370i Multifunction Gigabit Server Adapter" },
	{ "Broadcom NetXtreme II BCM5706 1000Base-SX" },
	{ "HP NC370F Multifunction Gigabit Server Adapter" },
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	{ "Broadcom NetXtreme II BCM5708 1000Base-T" },
	{ "Broadcom NetXtreme II BCM5708 1000Base-SX" },
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	{ "Broadcom NetXtreme II BCM5709 1000Base-T" },
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	{ "Broadcom NetXtreme II BCM5709 1000Base-SX" },
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	};

static struct pci_device_id bnx2_pci_tbl[] = {
	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
	  PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
	  PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
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	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
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	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
	  PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
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	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
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	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
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	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
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	{ 0, }
};

static struct flash_spec flash_table[] =
{
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#define BUFFERED_FLAGS		(BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
#define NONBUFFERED_FLAGS	(BNX2_NV_WREN)
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	/* Slow EEPROM */
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	{0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
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	 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
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	 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
	 "EEPROM - slow"},
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	/* Expansion entry 0001 */
	{0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
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	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
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	 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 0001"},
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	/* Saifun SA25F010 (non-buffered flash) */
	/* strap, cfg1, & write1 need updates */
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	{0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
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	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
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	 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
	 "Non-buffered flash (128kB)"},
	/* Saifun SA25F020 (non-buffered flash) */
	/* strap, cfg1, & write1 need updates */
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	{0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
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	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
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	 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
	 "Non-buffered flash (256kB)"},
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	/* Expansion entry 0100 */
	{0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
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	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
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	 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 0100"},
	/* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
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	{0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
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	 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
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	 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
	 "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
	/* Entry 0110: ST M45PE20 (non-buffered flash)*/
	{0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
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	 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
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	 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
	 "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
	/* Saifun SA25F005 (non-buffered flash) */
	/* strap, cfg1, & write1 need updates */
	{0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
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	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
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	 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
	 "Non-buffered flash (64kB)"},
	/* Fast EEPROM */
	{0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
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	 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
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	 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
	 "EEPROM - fast"},
	/* Expansion entry 1001 */
	{0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
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	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
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	 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 1001"},
	/* Expansion entry 1010 */
	{0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
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	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
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	 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 1010"},
	/* ATMEL AT45DB011B (buffered flash) */
	{0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
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	 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
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	 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
	 "Buffered flash (128kB)"},
	/* Expansion entry 1100 */
	{0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
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	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
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	 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 1100"},
	/* Expansion entry 1101 */
	{0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
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	 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
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	 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 1101"},
	/* Ateml Expansion entry 1110 */
	{0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
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	 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
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	 BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
	 "Entry 1110 (Atmel)"},
	/* ATMEL AT45DB021B (buffered flash) */
	{0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
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	 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
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	 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
	 "Buffered flash (256kB)"},
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};

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static struct flash_spec flash_5709 = {
	.flags		= BNX2_NV_BUFFERED,
	.page_bits	= BCM5709_FLASH_PAGE_BITS,
	.page_size	= BCM5709_FLASH_PAGE_SIZE,
	.addr_mask	= BCM5709_FLASH_BYTE_ADDR_MASK,
	.total_size	= BUFFERED_FLASH_TOTAL_SIZE*2,
	.name		= "5709 Buffered flash (256kB)",
};

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MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);

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static inline u32 bnx2_tx_avail(struct bnx2 *bp)
{
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	u32 diff;
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	smp_mb();
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	/* The ring uses 256 indices for 255 entries, one of them
	 * needs to be skipped.
	 */
	diff = bp->tx_prod - bp->tx_cons;
	if (unlikely(diff >= TX_DESC_CNT)) {
		diff &= 0xffff;
		if (diff == TX_DESC_CNT)
			diff = MAX_TX_DESC_CNT;
	}
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	return (bp->tx_ring_size - diff);
}

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static u32
bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
{
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	u32 val;

	spin_lock_bh(&bp->indirect_lock);
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	REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
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	val = REG_RD(bp, BNX2_PCICFG_REG_WINDOW);
	spin_unlock_bh(&bp->indirect_lock);
	return val;
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}

static void
bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
{
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	spin_lock_bh(&bp->indirect_lock);
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	REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
	REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
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	spin_unlock_bh(&bp->indirect_lock);
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}

static void
bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
{
	offset += cid_addr;
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	spin_lock_bh(&bp->indirect_lock);
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	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		int i;

		REG_WR(bp, BNX2_CTX_CTX_DATA, val);
		REG_WR(bp, BNX2_CTX_CTX_CTRL,
		       offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
		for (i = 0; i < 5; i++) {
			u32 val;
			val = REG_RD(bp, BNX2_CTX_CTX_CTRL);
			if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
				break;
			udelay(5);
		}
	} else {
		REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
		REG_WR(bp, BNX2_CTX_DATA, val);
	}
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	spin_unlock_bh(&bp->indirect_lock);
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}

static int
bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
{
	u32 val1;
	int i, ret;

	if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
		val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
		val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;

		REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
		REG_RD(bp, BNX2_EMAC_MDIO_MODE);

		udelay(40);
	}

	val1 = (bp->phy_addr << 21) | (reg << 16) |
		BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
		BNX2_EMAC_MDIO_COMM_START_BUSY;
	REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);

	for (i = 0; i < 50; i++) {
		udelay(10);

		val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
		if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
			udelay(5);

			val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
			val1 &= BNX2_EMAC_MDIO_COMM_DATA;

			break;
		}
	}

	if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
		*val = 0x0;
		ret = -EBUSY;
	}
	else {
		*val = val1;
		ret = 0;
	}

	if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
		val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
		val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;

		REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
		REG_RD(bp, BNX2_EMAC_MDIO_MODE);

		udelay(40);
	}

	return ret;
}

static int
bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
{
	u32 val1;
	int i, ret;

	if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
		val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
		val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;

		REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
		REG_RD(bp, BNX2_EMAC_MDIO_MODE);

		udelay(40);
	}

	val1 = (bp->phy_addr << 21) | (reg << 16) | val |
		BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
		BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
	REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
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	for (i = 0; i < 50; i++) {
		udelay(10);

		val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
		if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
			udelay(5);
			break;
		}
	}

	if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
        	ret = -EBUSY;
	else
		ret = 0;

	if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
		val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
		val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;

		REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
		REG_RD(bp, BNX2_EMAC_MDIO_MODE);

		udelay(40);
	}

	return ret;
}

static void
bnx2_disable_int(struct bnx2 *bp)
{
	REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
	       BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
	REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
}

static void
bnx2_enable_int(struct bnx2 *bp)
{
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	REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
	       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
	       BNX2_PCICFG_INT_ACK_CMD_MASK_INT | bp->last_status_idx);

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	REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
	       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | bp->last_status_idx);

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	REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
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}

static void
bnx2_disable_int_sync(struct bnx2 *bp)
{
	atomic_inc(&bp->intr_sem);
	bnx2_disable_int(bp);
	synchronize_irq(bp->pdev->irq);
}

static void
bnx2_netif_stop(struct bnx2 *bp)
{
	bnx2_disable_int_sync(bp);
	if (netif_running(bp->dev)) {
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		napi_disable(&bp->napi);
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		netif_tx_disable(bp->dev);
		bp->dev->trans_start = jiffies;	/* prevent tx timeout */
	}
}

static void
bnx2_netif_start(struct bnx2 *bp)
{
	if (atomic_dec_and_test(&bp->intr_sem)) {
		if (netif_running(bp->dev)) {
			netif_wake_queue(bp->dev);
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			napi_enable(&bp->napi);
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			bnx2_enable_int(bp);
		}
	}
}

static void
bnx2_free_mem(struct bnx2 *bp)
{
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	int i;

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	for (i = 0; i < bp->ctx_pages; i++) {
		if (bp->ctx_blk[i]) {
			pci_free_consistent(bp->pdev, BCM_PAGE_SIZE,
					    bp->ctx_blk[i],
					    bp->ctx_blk_mapping[i]);
			bp->ctx_blk[i] = NULL;
		}
	}
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	if (bp->status_blk) {
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		pci_free_consistent(bp->pdev, bp->status_stats_size,
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				    bp->status_blk, bp->status_blk_mapping);
		bp->status_blk = NULL;
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		bp->stats_blk = NULL;
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	}
	if (bp->tx_desc_ring) {
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		pci_free_consistent(bp->pdev, TXBD_RING_SIZE,
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				    bp->tx_desc_ring, bp->tx_desc_mapping);
		bp->tx_desc_ring = NULL;
	}
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	kfree(bp->tx_buf_ring);
	bp->tx_buf_ring = NULL;
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	for (i = 0; i < bp->rx_max_ring; i++) {
		if (bp->rx_desc_ring[i])
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			pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
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					    bp->rx_desc_ring[i],
					    bp->rx_desc_mapping[i]);
		bp->rx_desc_ring[i] = NULL;
	}
	vfree(bp->rx_buf_ring);
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	bp->rx_buf_ring = NULL;
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	for (i = 0; i < bp->rx_max_pg_ring; i++) {
		if (bp->rx_pg_desc_ring[i])
			pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
					    bp->rx_pg_desc_ring[i],
					    bp->rx_pg_desc_mapping[i]);
		bp->rx_pg_desc_ring[i] = NULL;
	}
	if (bp->rx_pg_ring)
		vfree(bp->rx_pg_ring);
	bp->rx_pg_ring = NULL;
496 497 498 499 500
}

static int
bnx2_alloc_mem(struct bnx2 *bp)
{
501
	int i, status_blk_size;
502

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503
	bp->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
504 505 506
	if (bp->tx_buf_ring == NULL)
		return -ENOMEM;

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Michael Chan 已提交
507
	bp->tx_desc_ring = pci_alloc_consistent(bp->pdev, TXBD_RING_SIZE,
508 509 510 511
						&bp->tx_desc_mapping);
	if (bp->tx_desc_ring == NULL)
		goto alloc_mem_err;

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Michael Chan 已提交
512
	bp->rx_buf_ring = vmalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
513 514 515
	if (bp->rx_buf_ring == NULL)
		goto alloc_mem_err;

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516
	memset(bp->rx_buf_ring, 0, SW_RXBD_RING_SIZE * bp->rx_max_ring);
517 518 519

	for (i = 0; i < bp->rx_max_ring; i++) {
		bp->rx_desc_ring[i] =
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			pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
521 522 523 524 525
					     &bp->rx_desc_mapping[i]);
		if (bp->rx_desc_ring[i] == NULL)
			goto alloc_mem_err;

	}
526

527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545
	if (bp->rx_pg_ring_size) {
		bp->rx_pg_ring = vmalloc(SW_RXPG_RING_SIZE *
					 bp->rx_max_pg_ring);
		if (bp->rx_pg_ring == NULL)
			goto alloc_mem_err;

		memset(bp->rx_pg_ring, 0, SW_RXPG_RING_SIZE *
		       bp->rx_max_pg_ring);
	}

	for (i = 0; i < bp->rx_max_pg_ring; i++) {
		bp->rx_pg_desc_ring[i] =
			pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
					     &bp->rx_pg_desc_mapping[i]);
		if (bp->rx_pg_desc_ring[i] == NULL)
			goto alloc_mem_err;

	}

546 547 548 549 550 551
	/* Combine status and statistics blocks into one allocation. */
	status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
	bp->status_stats_size = status_blk_size +
				sizeof(struct statistics_block);

	bp->status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
552 553 554 555
					      &bp->status_blk_mapping);
	if (bp->status_blk == NULL)
		goto alloc_mem_err;

556
	memset(bp->status_blk, 0, bp->status_stats_size);
557

558 559
	bp->stats_blk = (void *) ((unsigned long) bp->status_blk +
				  status_blk_size);
560

561
	bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
562

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	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE;
		if (bp->ctx_pages == 0)
			bp->ctx_pages = 1;
		for (i = 0; i < bp->ctx_pages; i++) {
			bp->ctx_blk[i] = pci_alloc_consistent(bp->pdev,
						BCM_PAGE_SIZE,
						&bp->ctx_blk_mapping[i]);
			if (bp->ctx_blk[i] == NULL)
				goto alloc_mem_err;
		}
	}
575 576 577 578 579 580 581
	return 0;

alloc_mem_err:
	bnx2_free_mem(bp);
	return -ENOMEM;
}

582 583 584 585 586
static void
bnx2_report_fw_link(struct bnx2 *bp)
{
	u32 fw_link_status = 0;

587 588 589
	if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
		return;

590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624
	if (bp->link_up) {
		u32 bmsr;

		switch (bp->line_speed) {
		case SPEED_10:
			if (bp->duplex == DUPLEX_HALF)
				fw_link_status = BNX2_LINK_STATUS_10HALF;
			else
				fw_link_status = BNX2_LINK_STATUS_10FULL;
			break;
		case SPEED_100:
			if (bp->duplex == DUPLEX_HALF)
				fw_link_status = BNX2_LINK_STATUS_100HALF;
			else
				fw_link_status = BNX2_LINK_STATUS_100FULL;
			break;
		case SPEED_1000:
			if (bp->duplex == DUPLEX_HALF)
				fw_link_status = BNX2_LINK_STATUS_1000HALF;
			else
				fw_link_status = BNX2_LINK_STATUS_1000FULL;
			break;
		case SPEED_2500:
			if (bp->duplex == DUPLEX_HALF)
				fw_link_status = BNX2_LINK_STATUS_2500HALF;
			else
				fw_link_status = BNX2_LINK_STATUS_2500FULL;
			break;
		}

		fw_link_status |= BNX2_LINK_STATUS_LINK_UP;

		if (bp->autoneg) {
			fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;

625 626
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
627 628 629 630 631 632 633 634 635 636 637 638 639 640

			if (!(bmsr & BMSR_ANEGCOMPLETE) ||
			    bp->phy_flags & PHY_PARALLEL_DETECT_FLAG)
				fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
			else
				fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
		}
	}
	else
		fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;

	REG_WR_IND(bp, bp->shmem_base + BNX2_LINK_STATUS, fw_link_status);
}

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static char *
bnx2_xceiver_str(struct bnx2 *bp)
{
	return ((bp->phy_port == PORT_FIBRE) ? "SerDes" :
		((bp->phy_flags & PHY_SERDES_FLAG) ? "Remote Copper" :
		 "Copper"));
}

649 650 651 652 653
static void
bnx2_report_link(struct bnx2 *bp)
{
	if (bp->link_up) {
		netif_carrier_on(bp->dev);
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		printk(KERN_INFO PFX "%s NIC %s Link is Up, ", bp->dev->name,
		       bnx2_xceiver_str(bp));
656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678

		printk("%d Mbps ", bp->line_speed);

		if (bp->duplex == DUPLEX_FULL)
			printk("full duplex");
		else
			printk("half duplex");

		if (bp->flow_ctrl) {
			if (bp->flow_ctrl & FLOW_CTRL_RX) {
				printk(", receive ");
				if (bp->flow_ctrl & FLOW_CTRL_TX)
					printk("& transmit ");
			}
			else {
				printk(", transmit ");
			}
			printk("flow control ON");
		}
		printk("\n");
	}
	else {
		netif_carrier_off(bp->dev);
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		printk(KERN_ERR PFX "%s NIC %s Link is Down\n", bp->dev->name,
		       bnx2_xceiver_str(bp));
681
	}
682 683

	bnx2_report_fw_link(bp);
684 685 686 687 688 689 690 691
}

static void
bnx2_resolve_flow_ctrl(struct bnx2 *bp)
{
	u32 local_adv, remote_adv;

	bp->flow_ctrl = 0;
692
	if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
693 694 695 696 697 698 699 700 701 702 703 704
		(AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {

		if (bp->duplex == DUPLEX_FULL) {
			bp->flow_ctrl = bp->req_flow_ctrl;
		}
		return;
	}

	if (bp->duplex != DUPLEX_FULL) {
		return;
	}

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	if ((bp->phy_flags & PHY_SERDES_FLAG) &&
	    (CHIP_NUM(bp) == CHIP_NUM_5708)) {
		u32 val;

		bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
		if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
			bp->flow_ctrl |= FLOW_CTRL_TX;
		if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
			bp->flow_ctrl |= FLOW_CTRL_RX;
		return;
	}

717 718
	bnx2_read_phy(bp, bp->mii_adv, &local_adv);
	bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761

	if (bp->phy_flags & PHY_SERDES_FLAG) {
		u32 new_local_adv = 0;
		u32 new_remote_adv = 0;

		if (local_adv & ADVERTISE_1000XPAUSE)
			new_local_adv |= ADVERTISE_PAUSE_CAP;
		if (local_adv & ADVERTISE_1000XPSE_ASYM)
			new_local_adv |= ADVERTISE_PAUSE_ASYM;
		if (remote_adv & ADVERTISE_1000XPAUSE)
			new_remote_adv |= ADVERTISE_PAUSE_CAP;
		if (remote_adv & ADVERTISE_1000XPSE_ASYM)
			new_remote_adv |= ADVERTISE_PAUSE_ASYM;

		local_adv = new_local_adv;
		remote_adv = new_remote_adv;
	}

	/* See Table 28B-3 of 802.3ab-1999 spec. */
	if (local_adv & ADVERTISE_PAUSE_CAP) {
		if(local_adv & ADVERTISE_PAUSE_ASYM) {
	                if (remote_adv & ADVERTISE_PAUSE_CAP) {
				bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
			}
			else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
				bp->flow_ctrl = FLOW_CTRL_RX;
			}
		}
		else {
			if (remote_adv & ADVERTISE_PAUSE_CAP) {
				bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
			}
		}
	}
	else if (local_adv & ADVERTISE_PAUSE_ASYM) {
		if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
			(remote_adv & ADVERTISE_PAUSE_ASYM)) {

			bp->flow_ctrl = FLOW_CTRL_TX;
		}
	}
}

762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800
static int
bnx2_5709s_linkup(struct bnx2 *bp)
{
	u32 val, speed;

	bp->link_up = 1;

	bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
	bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
	bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);

	if ((bp->autoneg & AUTONEG_SPEED) == 0) {
		bp->line_speed = bp->req_line_speed;
		bp->duplex = bp->req_duplex;
		return 0;
	}
	speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
	switch (speed) {
		case MII_BNX2_GP_TOP_AN_SPEED_10:
			bp->line_speed = SPEED_10;
			break;
		case MII_BNX2_GP_TOP_AN_SPEED_100:
			bp->line_speed = SPEED_100;
			break;
		case MII_BNX2_GP_TOP_AN_SPEED_1G:
		case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
			bp->line_speed = SPEED_1000;
			break;
		case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
			bp->line_speed = SPEED_2500;
			break;
	}
	if (val & MII_BNX2_GP_TOP_AN_FD)
		bp->duplex = DUPLEX_FULL;
	else
		bp->duplex = DUPLEX_HALF;
	return 0;
}

801
static int
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bnx2_5708s_linkup(struct bnx2 *bp)
{
	u32 val;

	bp->link_up = 1;
	bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
	switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
		case BCM5708S_1000X_STAT1_SPEED_10:
			bp->line_speed = SPEED_10;
			break;
		case BCM5708S_1000X_STAT1_SPEED_100:
			bp->line_speed = SPEED_100;
			break;
		case BCM5708S_1000X_STAT1_SPEED_1G:
			bp->line_speed = SPEED_1000;
			break;
		case BCM5708S_1000X_STAT1_SPEED_2G5:
			bp->line_speed = SPEED_2500;
			break;
	}
	if (val & BCM5708S_1000X_STAT1_FD)
		bp->duplex = DUPLEX_FULL;
	else
		bp->duplex = DUPLEX_HALF;

	return 0;
}

static int
bnx2_5706s_linkup(struct bnx2 *bp)
832 833 834 835 836 837
{
	u32 bmcr, local_adv, remote_adv, common;

	bp->link_up = 1;
	bp->line_speed = SPEED_1000;

838
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
839 840 841 842 843 844 845 846 847 848 849
	if (bmcr & BMCR_FULLDPLX) {
		bp->duplex = DUPLEX_FULL;
	}
	else {
		bp->duplex = DUPLEX_HALF;
	}

	if (!(bmcr & BMCR_ANENABLE)) {
		return 0;
	}

850 851
	bnx2_read_phy(bp, bp->mii_adv, &local_adv);
	bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871

	common = local_adv & remote_adv;
	if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {

		if (common & ADVERTISE_1000XFULL) {
			bp->duplex = DUPLEX_FULL;
		}
		else {
			bp->duplex = DUPLEX_HALF;
		}
	}

	return 0;
}

static int
bnx2_copper_linkup(struct bnx2 *bp)
{
	u32 bmcr;

872
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888
	if (bmcr & BMCR_ANENABLE) {
		u32 local_adv, remote_adv, common;

		bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
		bnx2_read_phy(bp, MII_STAT1000, &remote_adv);

		common = local_adv & (remote_adv >> 2);
		if (common & ADVERTISE_1000FULL) {
			bp->line_speed = SPEED_1000;
			bp->duplex = DUPLEX_FULL;
		}
		else if (common & ADVERTISE_1000HALF) {
			bp->line_speed = SPEED_1000;
			bp->duplex = DUPLEX_HALF;
		}
		else {
889 890
			bnx2_read_phy(bp, bp->mii_adv, &local_adv);
			bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947

			common = local_adv & remote_adv;
			if (common & ADVERTISE_100FULL) {
				bp->line_speed = SPEED_100;
				bp->duplex = DUPLEX_FULL;
			}
			else if (common & ADVERTISE_100HALF) {
				bp->line_speed = SPEED_100;
				bp->duplex = DUPLEX_HALF;
			}
			else if (common & ADVERTISE_10FULL) {
				bp->line_speed = SPEED_10;
				bp->duplex = DUPLEX_FULL;
			}
			else if (common & ADVERTISE_10HALF) {
				bp->line_speed = SPEED_10;
				bp->duplex = DUPLEX_HALF;
			}
			else {
				bp->line_speed = 0;
				bp->link_up = 0;
			}
		}
	}
	else {
		if (bmcr & BMCR_SPEED100) {
			bp->line_speed = SPEED_100;
		}
		else {
			bp->line_speed = SPEED_10;
		}
		if (bmcr & BMCR_FULLDPLX) {
			bp->duplex = DUPLEX_FULL;
		}
		else {
			bp->duplex = DUPLEX_HALF;
		}
	}

	return 0;
}

static int
bnx2_set_mac_link(struct bnx2 *bp)
{
	u32 val;

	REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
	if (bp->link_up && (bp->line_speed == SPEED_1000) &&
		(bp->duplex == DUPLEX_HALF)) {
		REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
	}

	/* Configure the EMAC mode register. */
	val = REG_RD(bp, BNX2_EMAC_MODE);

	val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
M
Michael Chan 已提交
948
		BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
M
Michael Chan 已提交
949
		BNX2_EMAC_MODE_25G_MODE);
950 951

	if (bp->link_up) {
M
Michael Chan 已提交
952 953
		switch (bp->line_speed) {
			case SPEED_10:
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Michael Chan 已提交
954 955
				if (CHIP_NUM(bp) != CHIP_NUM_5706) {
					val |= BNX2_EMAC_MODE_PORT_MII_10M;
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956 957 958 959 960 961 962
					break;
				}
				/* fall through */
			case SPEED_100:
				val |= BNX2_EMAC_MODE_PORT_MII;
				break;
			case SPEED_2500:
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Michael Chan 已提交
963
				val |= BNX2_EMAC_MODE_25G_MODE;
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964 965 966 967 968
				/* fall through */
			case SPEED_1000:
				val |= BNX2_EMAC_MODE_PORT_GMII;
				break;
		}
969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999
	}
	else {
		val |= BNX2_EMAC_MODE_PORT_GMII;
	}

	/* Set the MAC to operate in the appropriate duplex mode. */
	if (bp->duplex == DUPLEX_HALF)
		val |= BNX2_EMAC_MODE_HALF_DUPLEX;
	REG_WR(bp, BNX2_EMAC_MODE, val);

	/* Enable/disable rx PAUSE. */
	bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;

	if (bp->flow_ctrl & FLOW_CTRL_RX)
		bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
	REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);

	/* Enable/disable tx PAUSE. */
	val = REG_RD(bp, BNX2_EMAC_TX_MODE);
	val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;

	if (bp->flow_ctrl & FLOW_CTRL_TX)
		val |= BNX2_EMAC_TX_MODE_FLOW_EN;
	REG_WR(bp, BNX2_EMAC_TX_MODE, val);

	/* Acknowledge the interrupt. */
	REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);

	return 0;
}

1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017
static void
bnx2_enable_bmsr1(struct bnx2 *bp)
{
	if ((bp->phy_flags & PHY_SERDES_FLAG) &&
	    (CHIP_NUM(bp) == CHIP_NUM_5709))
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_GP_STATUS);
}

static void
bnx2_disable_bmsr1(struct bnx2 *bp)
{
	if ((bp->phy_flags & PHY_SERDES_FLAG) &&
	    (CHIP_NUM(bp) == CHIP_NUM_5709))
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
}

1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029
static int
bnx2_test_and_enable_2g5(struct bnx2 *bp)
{
	u32 up1;
	int ret = 1;

	if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
		return 0;

	if (bp->autoneg & AUTONEG_SPEED)
		bp->advertising |= ADVERTISED_2500baseX_Full;

1030 1031 1032
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);

1033 1034 1035 1036 1037 1038 1039
	bnx2_read_phy(bp, bp->mii_up1, &up1);
	if (!(up1 & BCM5708S_UP1_2G5)) {
		up1 |= BCM5708S_UP1_2G5;
		bnx2_write_phy(bp, bp->mii_up1, up1);
		ret = 0;
	}

1040 1041 1042 1043
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_COMBO_IEEEB0);

1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055
	return ret;
}

static int
bnx2_test_and_disable_2g5(struct bnx2 *bp)
{
	u32 up1;
	int ret = 0;

	if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
		return 0;

1056 1057 1058
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);

1059 1060 1061 1062 1063 1064 1065
	bnx2_read_phy(bp, bp->mii_up1, &up1);
	if (up1 & BCM5708S_UP1_2G5) {
		up1 &= ~BCM5708S_UP1_2G5;
		bnx2_write_phy(bp, bp->mii_up1, up1);
		ret = 1;
	}

1066 1067 1068 1069
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_COMBO_IEEEB0);

1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080
	return ret;
}

static void
bnx2_enable_forced_2g5(struct bnx2 *bp)
{
	u32 bmcr;

	if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
		return;

1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		u32 val;

		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_SERDES_DIG);
		bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
		val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
		val |= MII_BNX2_SD_MISC1_FORCE | MII_BNX2_SD_MISC1_FORCE_2_5G;
		bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);

		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);

	} else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
		bmcr |= BCM5708S_BMCR_FORCE_2500;
	}

	if (bp->autoneg & AUTONEG_SPEED) {
		bmcr &= ~BMCR_ANENABLE;
		if (bp->req_duplex == DUPLEX_FULL)
			bmcr |= BMCR_FULLDPLX;
	}
	bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
}

static void
bnx2_disable_forced_2g5(struct bnx2 *bp)
{
	u32 bmcr;

	if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
		return;

1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		u32 val;

		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_SERDES_DIG);
		bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
		val &= ~MII_BNX2_SD_MISC1_FORCE;
		bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);

		bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
			       MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);

	} else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1130 1131 1132 1133 1134 1135 1136 1137 1138
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
		bmcr &= ~BCM5708S_BMCR_FORCE_2500;
	}

	if (bp->autoneg & AUTONEG_SPEED)
		bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
	bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
}

1139 1140 1141 1142 1143 1144
static int
bnx2_set_link(struct bnx2 *bp)
{
	u32 bmsr;
	u8 link_up;

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	if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
1146 1147 1148 1149
		bp->link_up = 1;
		return 0;
	}

1150 1151 1152
	if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
		return 0;

1153 1154
	link_up = bp->link_up;

1155 1156 1157 1158
	bnx2_enable_bmsr1(bp);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_disable_bmsr1(bp);
1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174

	if ((bp->phy_flags & PHY_SERDES_FLAG) &&
	    (CHIP_NUM(bp) == CHIP_NUM_5706)) {
		u32 val;

		val = REG_RD(bp, BNX2_EMAC_STATUS);
		if (val & BNX2_EMAC_STATUS_LINK)
			bmsr |= BMSR_LSTATUS;
		else
			bmsr &= ~BMSR_LSTATUS;
	}

	if (bmsr & BMSR_LSTATUS) {
		bp->link_up = 1;

		if (bp->phy_flags & PHY_SERDES_FLAG) {
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			if (CHIP_NUM(bp) == CHIP_NUM_5706)
				bnx2_5706s_linkup(bp);
			else if (CHIP_NUM(bp) == CHIP_NUM_5708)
				bnx2_5708s_linkup(bp);
1179 1180
			else if (CHIP_NUM(bp) == CHIP_NUM_5709)
				bnx2_5709s_linkup(bp);
1181 1182 1183 1184 1185 1186 1187 1188
		}
		else {
			bnx2_copper_linkup(bp);
		}
		bnx2_resolve_flow_ctrl(bp);
	}
	else {
		if ((bp->phy_flags & PHY_SERDES_FLAG) &&
1189 1190
		    (bp->autoneg & AUTONEG_SPEED))
			bnx2_disable_forced_2g5(bp);
1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210

		bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
		bp->link_up = 0;
	}

	if (bp->link_up != link_up) {
		bnx2_report_link(bp);
	}

	bnx2_set_mac_link(bp);

	return 0;
}

static int
bnx2_reset_phy(struct bnx2 *bp)
{
	int i;
	u32 reg;

1211
        bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
1212 1213 1214 1215 1216

#define PHY_RESET_MAX_WAIT 100
	for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
		udelay(10);

1217
		bnx2_read_phy(bp, bp->mii_bmcr, &reg);
1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262
		if (!(reg & BMCR_RESET)) {
			udelay(20);
			break;
		}
	}
	if (i == PHY_RESET_MAX_WAIT) {
		return -EBUSY;
	}
	return 0;
}

static u32
bnx2_phy_get_pause_adv(struct bnx2 *bp)
{
	u32 adv = 0;

	if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
		(FLOW_CTRL_RX | FLOW_CTRL_TX)) {

		if (bp->phy_flags & PHY_SERDES_FLAG) {
			adv = ADVERTISE_1000XPAUSE;
		}
		else {
			adv = ADVERTISE_PAUSE_CAP;
		}
	}
	else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
		if (bp->phy_flags & PHY_SERDES_FLAG) {
			adv = ADVERTISE_1000XPSE_ASYM;
		}
		else {
			adv = ADVERTISE_PAUSE_ASYM;
		}
	}
	else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
		if (bp->phy_flags & PHY_SERDES_FLAG) {
			adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
		}
		else {
			adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
		}
	}
	return adv;
}

1263 1264
static int bnx2_fw_sync(struct bnx2 *, u32, int);

1265
static int
1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323
bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
{
	u32 speed_arg = 0, pause_adv;

	pause_adv = bnx2_phy_get_pause_adv(bp);

	if (bp->autoneg & AUTONEG_SPEED) {
		speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
		if (bp->advertising & ADVERTISED_10baseT_Half)
			speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
		if (bp->advertising & ADVERTISED_10baseT_Full)
			speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
		if (bp->advertising & ADVERTISED_100baseT_Half)
			speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
		if (bp->advertising & ADVERTISED_100baseT_Full)
			speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
		if (bp->advertising & ADVERTISED_1000baseT_Full)
			speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
		if (bp->advertising & ADVERTISED_2500baseX_Full)
			speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
	} else {
		if (bp->req_line_speed == SPEED_2500)
			speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
		else if (bp->req_line_speed == SPEED_1000)
			speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
		else if (bp->req_line_speed == SPEED_100) {
			if (bp->req_duplex == DUPLEX_FULL)
				speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
			else
				speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
		} else if (bp->req_line_speed == SPEED_10) {
			if (bp->req_duplex == DUPLEX_FULL)
				speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
			else
				speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
		}
	}

	if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
		speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
	if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_1000XPSE_ASYM))
		speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;

	if (port == PORT_TP)
		speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
			     BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;

	REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_MB_ARG0, speed_arg);

	spin_unlock_bh(&bp->phy_lock);
	bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 0);
	spin_lock_bh(&bp->phy_lock);

	return 0;
}

static int
bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
1324
{
1325
	u32 adv, bmcr;
1326 1327
	u32 new_adv = 0;

1328 1329 1330
	if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
		return (bnx2_setup_remote_phy(bp, port));

1331 1332
	if (!(bp->autoneg & AUTONEG_SPEED)) {
		u32 new_bmcr;
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		int force_link_down = 0;

1335 1336 1337 1338 1339 1340 1341
		if (bp->req_line_speed == SPEED_2500) {
			if (!bnx2_test_and_enable_2g5(bp))
				force_link_down = 1;
		} else if (bp->req_line_speed == SPEED_1000) {
			if (bnx2_test_and_disable_2g5(bp))
				force_link_down = 1;
		}
1342
		bnx2_read_phy(bp, bp->mii_adv, &adv);
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		adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);

1345
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1346
		new_bmcr = bmcr & ~BMCR_ANENABLE;
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		new_bmcr |= BMCR_SPEED1000;
1348

1349 1350 1351 1352 1353 1354 1355 1356 1357
		if (CHIP_NUM(bp) == CHIP_NUM_5709) {
			if (bp->req_line_speed == SPEED_2500)
				bnx2_enable_forced_2g5(bp);
			else if (bp->req_line_speed == SPEED_1000) {
				bnx2_disable_forced_2g5(bp);
				new_bmcr &= ~0x2000;
			}

		} else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
1358 1359 1360 1361
			if (bp->req_line_speed == SPEED_2500)
				new_bmcr |= BCM5708S_BMCR_FORCE_2500;
			else
				new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
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		}

1364
		if (bp->req_duplex == DUPLEX_FULL) {
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			adv |= ADVERTISE_1000XFULL;
1366 1367 1368
			new_bmcr |= BMCR_FULLDPLX;
		}
		else {
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			adv |= ADVERTISE_1000XHALF;
1370 1371
			new_bmcr &= ~BMCR_FULLDPLX;
		}
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		if ((new_bmcr != bmcr) || (force_link_down)) {
1373 1374
			/* Force a link down visible on the other side */
			if (bp->link_up) {
1375
				bnx2_write_phy(bp, bp->mii_adv, adv &
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					       ~(ADVERTISE_1000XFULL |
						 ADVERTISE_1000XHALF));
1378
				bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
1379 1380 1381 1382
					BMCR_ANRESTART | BMCR_ANENABLE);

				bp->link_up = 0;
				netif_carrier_off(bp->dev);
1383
				bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
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				bnx2_report_link(bp);
1385
			}
1386 1387
			bnx2_write_phy(bp, bp->mii_adv, adv);
			bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1388 1389 1390
		} else {
			bnx2_resolve_flow_ctrl(bp);
			bnx2_set_mac_link(bp);
1391 1392 1393 1394
		}
		return 0;
	}

1395
	bnx2_test_and_enable_2g5(bp);
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	if (bp->advertising & ADVERTISED_1000baseT_Full)
		new_adv |= ADVERTISE_1000XFULL;

	new_adv |= bnx2_phy_get_pause_adv(bp);

1402 1403
	bnx2_read_phy(bp, bp->mii_adv, &adv);
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1404 1405 1406 1407 1408

	bp->serdes_an_pending = 0;
	if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
		/* Force a link down visible on the other side */
		if (bp->link_up) {
1409
			bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
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			spin_unlock_bh(&bp->phy_lock);
			msleep(20);
			spin_lock_bh(&bp->phy_lock);
1413 1414
		}

1415 1416
		bnx2_write_phy(bp, bp->mii_adv, new_adv);
		bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
1417
			BMCR_ANENABLE);
1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428
		/* Speed up link-up time when the link partner
		 * does not autonegotiate which is very common
		 * in blade servers. Some blade servers use
		 * IPMI for kerboard input and it's important
		 * to minimize link disruptions. Autoneg. involves
		 * exchanging base pages plus 3 next pages and
		 * normally completes in about 120 msec.
		 */
		bp->current_interval = SERDES_AN_TIMEOUT;
		bp->serdes_an_pending = 1;
		mod_timer(&bp->timer, jiffies + bp->current_interval);
1429 1430 1431
	} else {
		bnx2_resolve_flow_ctrl(bp);
		bnx2_set_mac_link(bp);
1432 1433 1434 1435 1436 1437
	}

	return 0;
}

#define ETHTOOL_ALL_FIBRE_SPEED						\
1438 1439 1440
	(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) ?			\
		(ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
		(ADVERTISED_1000baseT_Full)
1441 1442 1443 1444 1445 1446 1447 1448

#define ETHTOOL_ALL_COPPER_SPEED					\
	(ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |		\
	ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |		\
	ADVERTISED_1000baseT_Full)

#define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
	ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
1449

1450 1451
#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)

1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498
static void
bnx2_set_default_remote_link(struct bnx2 *bp)
{
	u32 link;

	if (bp->phy_port == PORT_TP)
		link = REG_RD_IND(bp, bp->shmem_base + BNX2_RPHY_COPPER_LINK);
	else
		link = REG_RD_IND(bp, bp->shmem_base + BNX2_RPHY_SERDES_LINK);

	if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
		bp->req_line_speed = 0;
		bp->autoneg |= AUTONEG_SPEED;
		bp->advertising = ADVERTISED_Autoneg;
		if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
			bp->advertising |= ADVERTISED_10baseT_Half;
		if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
			bp->advertising |= ADVERTISED_10baseT_Full;
		if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
			bp->advertising |= ADVERTISED_100baseT_Half;
		if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
			bp->advertising |= ADVERTISED_100baseT_Full;
		if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
			bp->advertising |= ADVERTISED_1000baseT_Full;
		if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
			bp->advertising |= ADVERTISED_2500baseX_Full;
	} else {
		bp->autoneg = 0;
		bp->advertising = 0;
		bp->req_duplex = DUPLEX_FULL;
		if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
			bp->req_line_speed = SPEED_10;
			if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
				bp->req_duplex = DUPLEX_HALF;
		}
		if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
			bp->req_line_speed = SPEED_100;
			if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
				bp->req_duplex = DUPLEX_HALF;
		}
		if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
			bp->req_line_speed = SPEED_1000;
		if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
			bp->req_line_speed = SPEED_2500;
	}
}

1499 1500 1501
static void
bnx2_set_default_link(struct bnx2 *bp)
{
1502 1503 1504
	if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
		return bnx2_set_default_remote_link(bp);

1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522
	bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
	bp->req_line_speed = 0;
	if (bp->phy_flags & PHY_SERDES_FLAG) {
		u32 reg;

		bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;

		reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_CONFIG);
		reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
		if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
			bp->autoneg = 0;
			bp->req_line_speed = bp->line_speed = SPEED_1000;
			bp->req_duplex = DUPLEX_FULL;
		}
	} else
		bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
}

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static void
bnx2_send_heart_beat(struct bnx2 *bp)
{
	u32 msg;
	u32 addr;

	spin_lock(&bp->indirect_lock);
	msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
	addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
	REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
	REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
	spin_unlock(&bp->indirect_lock);
}

1537 1538 1539 1540 1541 1542 1543 1544 1545
static void
bnx2_remote_phy_event(struct bnx2 *bp)
{
	u32 msg;
	u8 link_up = bp->link_up;
	u8 old_port;

	msg = REG_RD_IND(bp, bp->shmem_base + BNX2_LINK_STATUS);

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	if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
		bnx2_send_heart_beat(bp);

	msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;

1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627
	if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
		bp->link_up = 0;
	else {
		u32 speed;

		bp->link_up = 1;
		speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
		bp->duplex = DUPLEX_FULL;
		switch (speed) {
			case BNX2_LINK_STATUS_10HALF:
				bp->duplex = DUPLEX_HALF;
			case BNX2_LINK_STATUS_10FULL:
				bp->line_speed = SPEED_10;
				break;
			case BNX2_LINK_STATUS_100HALF:
				bp->duplex = DUPLEX_HALF;
			case BNX2_LINK_STATUS_100BASE_T4:
			case BNX2_LINK_STATUS_100FULL:
				bp->line_speed = SPEED_100;
				break;
			case BNX2_LINK_STATUS_1000HALF:
				bp->duplex = DUPLEX_HALF;
			case BNX2_LINK_STATUS_1000FULL:
				bp->line_speed = SPEED_1000;
				break;
			case BNX2_LINK_STATUS_2500HALF:
				bp->duplex = DUPLEX_HALF;
			case BNX2_LINK_STATUS_2500FULL:
				bp->line_speed = SPEED_2500;
				break;
			default:
				bp->line_speed = 0;
				break;
		}

		spin_lock(&bp->phy_lock);
		bp->flow_ctrl = 0;
		if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
		    (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
			if (bp->duplex == DUPLEX_FULL)
				bp->flow_ctrl = bp->req_flow_ctrl;
		} else {
			if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
				bp->flow_ctrl |= FLOW_CTRL_TX;
			if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
				bp->flow_ctrl |= FLOW_CTRL_RX;
		}

		old_port = bp->phy_port;
		if (msg & BNX2_LINK_STATUS_SERDES_LINK)
			bp->phy_port = PORT_FIBRE;
		else
			bp->phy_port = PORT_TP;

		if (old_port != bp->phy_port)
			bnx2_set_default_link(bp);

		spin_unlock(&bp->phy_lock);
	}
	if (bp->link_up != link_up)
		bnx2_report_link(bp);

	bnx2_set_mac_link(bp);
}

static int
bnx2_set_remote_link(struct bnx2 *bp)
{
	u32 evt_code;

	evt_code = REG_RD_IND(bp, bp->shmem_base + BNX2_FW_EVT_CODE_MB);
	switch (evt_code) {
		case BNX2_FW_EVT_CODE_LINK_EVENT:
			bnx2_remote_phy_event(bp);
			break;
		case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
		default:
M
Michael Chan 已提交
1628
			bnx2_send_heart_beat(bp);
1629 1630 1631 1632 1633
			break;
	}
	return 0;
}

1634 1635 1636 1637 1638 1639
static int
bnx2_setup_copper_phy(struct bnx2 *bp)
{
	u32 bmcr;
	u32 new_bmcr;

1640
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1641 1642 1643 1644 1645 1646

	if (bp->autoneg & AUTONEG_SPEED) {
		u32 adv_reg, adv1000_reg;
		u32 new_adv_reg = 0;
		u32 new_adv1000_reg = 0;

1647
		bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663
		adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
			ADVERTISE_PAUSE_ASYM);

		bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
		adv1000_reg &= PHY_ALL_1000_SPEED;

		if (bp->advertising & ADVERTISED_10baseT_Half)
			new_adv_reg |= ADVERTISE_10HALF;
		if (bp->advertising & ADVERTISED_10baseT_Full)
			new_adv_reg |= ADVERTISE_10FULL;
		if (bp->advertising & ADVERTISED_100baseT_Half)
			new_adv_reg |= ADVERTISE_100HALF;
		if (bp->advertising & ADVERTISED_100baseT_Full)
			new_adv_reg |= ADVERTISE_100FULL;
		if (bp->advertising & ADVERTISED_1000baseT_Full)
			new_adv1000_reg |= ADVERTISE_1000FULL;
1664

1665 1666 1667 1668 1669 1670 1671 1672
		new_adv_reg |= ADVERTISE_CSMA;

		new_adv_reg |= bnx2_phy_get_pause_adv(bp);

		if ((adv1000_reg != new_adv1000_reg) ||
			(adv_reg != new_adv_reg) ||
			((bmcr & BMCR_ANENABLE) == 0)) {

1673
			bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
1674
			bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
1675
			bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697
				BMCR_ANENABLE);
		}
		else if (bp->link_up) {
			/* Flow ctrl may have changed from auto to forced */
			/* or vice-versa. */

			bnx2_resolve_flow_ctrl(bp);
			bnx2_set_mac_link(bp);
		}
		return 0;
	}

	new_bmcr = 0;
	if (bp->req_line_speed == SPEED_100) {
		new_bmcr |= BMCR_SPEED100;
	}
	if (bp->req_duplex == DUPLEX_FULL) {
		new_bmcr |= BMCR_FULLDPLX;
	}
	if (new_bmcr != bmcr) {
		u32 bmsr;

1698 1699
		bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
		bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1700

1701 1702
		if (bmsr & BMSR_LSTATUS) {
			/* Force link down */
1703
			bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
1704 1705 1706 1707
			spin_unlock_bh(&bp->phy_lock);
			msleep(50);
			spin_lock_bh(&bp->phy_lock);

1708 1709
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
			bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
1710 1711
		}

1712
		bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723

		/* Normally, the new speed is setup after the link has
		 * gone down and up again. In some cases, link will not go
		 * down so we need to set up the new speed here.
		 */
		if (bmsr & BMSR_LSTATUS) {
			bp->line_speed = bp->req_line_speed;
			bp->duplex = bp->req_duplex;
			bnx2_resolve_flow_ctrl(bp);
			bnx2_set_mac_link(bp);
		}
1724 1725 1726
	} else {
		bnx2_resolve_flow_ctrl(bp);
		bnx2_set_mac_link(bp);
1727 1728 1729 1730 1731
	}
	return 0;
}

static int
1732
bnx2_setup_phy(struct bnx2 *bp, u8 port)
1733 1734 1735 1736 1737
{
	if (bp->loopback == MAC_LOOPBACK)
		return 0;

	if (bp->phy_flags & PHY_SERDES_FLAG) {
1738
		return (bnx2_setup_serdes_phy(bp, port));
1739 1740 1741 1742 1743 1744
	}
	else {
		return (bnx2_setup_copper_phy(bp));
	}
}

1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793
static int
bnx2_init_5709s_phy(struct bnx2 *bp)
{
	u32 val;

	bp->mii_bmcr = MII_BMCR + 0x10;
	bp->mii_bmsr = MII_BMSR + 0x10;
	bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
	bp->mii_adv = MII_ADVERTISE + 0x10;
	bp->mii_lpa = MII_LPA + 0x10;
	bp->mii_up1 = MII_BNX2_OVER1G_UP1;

	bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
	bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);

	bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
	bnx2_reset_phy(bp);

	bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);

	bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
	val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
	val |= MII_BNX2_SD_1000XCTL1_FIBER;
	bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);

	bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
	bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
	if (bp->phy_flags & PHY_2_5G_CAPABLE_FLAG)
		val |= BCM5708S_UP1_2G5;
	else
		val &= ~BCM5708S_UP1_2G5;
	bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);

	bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
	bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
	val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
	bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);

	bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);

	val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
	      MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
	bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);

	bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);

	return 0;
}

1794
static int
M
Michael Chan 已提交
1795 1796 1797 1798
bnx2_init_5708s_phy(struct bnx2 *bp)
{
	u32 val;

1799 1800 1801 1802
	bnx2_reset_phy(bp);

	bp->mii_up1 = BCM5708S_UP1;

M
Michael Chan 已提交
1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821
	bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
	bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
	bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);

	bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
	val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
	bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);

	bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
	val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
	bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);

	if (bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) {
		bnx2_read_phy(bp, BCM5708S_UP1, &val);
		val |= BCM5708S_UP1_2G5;
		bnx2_write_phy(bp, BCM5708S_UP1, val);
	}

	if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
M
Michael Chan 已提交
1822 1823
	    (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
M
Michael Chan 已提交
1824 1825 1826 1827 1828 1829 1830 1831 1832
		/* increase tx signal amplitude */
		bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
			       BCM5708S_BLK_ADDR_TX_MISC);
		bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
		val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
		bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
		bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
	}

1833
	val = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_CONFIG) &
M
Michael Chan 已提交
1834 1835 1836 1837 1838
	      BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;

	if (val) {
		u32 is_backplane;

1839
		is_backplane = REG_RD_IND(bp, bp->shmem_base +
M
Michael Chan 已提交
1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853
					  BNX2_SHARED_HW_CFG_CONFIG);
		if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
			bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
				       BCM5708S_BLK_ADDR_TX_MISC);
			bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
			bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
				       BCM5708S_BLK_ADDR_DIG);
		}
	}
	return 0;
}

static int
bnx2_init_5706s_phy(struct bnx2 *bp)
1854
{
1855 1856
	bnx2_reset_phy(bp);

1857 1858
	bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;

M
Michael Chan 已提交
1859 1860
	if (CHIP_NUM(bp) == CHIP_NUM_5706)
        	REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891

	if (bp->dev->mtu > 1500) {
		u32 val;

		/* Set extended packet length bit */
		bnx2_write_phy(bp, 0x18, 0x7);
		bnx2_read_phy(bp, 0x18, &val);
		bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);

		bnx2_write_phy(bp, 0x1c, 0x6c00);
		bnx2_read_phy(bp, 0x1c, &val);
		bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
	}
	else {
		u32 val;

		bnx2_write_phy(bp, 0x18, 0x7);
		bnx2_read_phy(bp, 0x18, &val);
		bnx2_write_phy(bp, 0x18, val & ~0x4007);

		bnx2_write_phy(bp, 0x1c, 0x6c00);
		bnx2_read_phy(bp, 0x1c, &val);
		bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
	}

	return 0;
}

static int
bnx2_init_copper_phy(struct bnx2 *bp)
{
M
Michael Chan 已提交
1892 1893
	u32 val;

1894 1895
	bnx2_reset_phy(bp);

1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906
	if (bp->phy_flags & PHY_CRC_FIX_FLAG) {
		bnx2_write_phy(bp, 0x18, 0x0c00);
		bnx2_write_phy(bp, 0x17, 0x000a);
		bnx2_write_phy(bp, 0x15, 0x310b);
		bnx2_write_phy(bp, 0x17, 0x201f);
		bnx2_write_phy(bp, 0x15, 0x9506);
		bnx2_write_phy(bp, 0x17, 0x401f);
		bnx2_write_phy(bp, 0x15, 0x14e2);
		bnx2_write_phy(bp, 0x18, 0x0400);
	}

1907 1908 1909 1910 1911 1912 1913 1914
	if (bp->phy_flags & PHY_DIS_EARLY_DAC_FLAG) {
		bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
			       MII_BNX2_DSP_EXPAND_REG | 0x8);
		bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
		val &= ~(1 << 8);
		bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
	}

1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932
	if (bp->dev->mtu > 1500) {
		/* Set extended packet length bit */
		bnx2_write_phy(bp, 0x18, 0x7);
		bnx2_read_phy(bp, 0x18, &val);
		bnx2_write_phy(bp, 0x18, val | 0x4000);

		bnx2_read_phy(bp, 0x10, &val);
		bnx2_write_phy(bp, 0x10, val | 0x1);
	}
	else {
		bnx2_write_phy(bp, 0x18, 0x7);
		bnx2_read_phy(bp, 0x18, &val);
		bnx2_write_phy(bp, 0x18, val & ~0x4007);

		bnx2_read_phy(bp, 0x10, &val);
		bnx2_write_phy(bp, 0x10, val & ~0x1);
	}

M
Michael Chan 已提交
1933 1934 1935 1936
	/* ethernet@wirespeed */
	bnx2_write_phy(bp, 0x18, 0x7007);
	bnx2_read_phy(bp, 0x18, &val);
	bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949
	return 0;
}


static int
bnx2_init_phy(struct bnx2 *bp)
{
	u32 val;
	int rc = 0;

	bp->phy_flags &= ~PHY_INT_MODE_MASK_FLAG;
	bp->phy_flags |= PHY_INT_MODE_LINK_READY_FLAG;

1950 1951
	bp->mii_bmcr = MII_BMCR;
	bp->mii_bmsr = MII_BMSR;
1952
	bp->mii_bmsr1 = MII_BMSR;
1953 1954 1955
	bp->mii_adv = MII_ADVERTISE;
	bp->mii_lpa = MII_LPA;

1956 1957
        REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);

1958 1959 1960
	if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
		goto setup_phy;

1961 1962 1963 1964 1965 1966
	bnx2_read_phy(bp, MII_PHYSID1, &val);
	bp->phy_id = val << 16;
	bnx2_read_phy(bp, MII_PHYSID2, &val);
	bp->phy_id |= val & 0xffff;

	if (bp->phy_flags & PHY_SERDES_FLAG) {
M
Michael Chan 已提交
1967 1968 1969 1970
		if (CHIP_NUM(bp) == CHIP_NUM_5706)
			rc = bnx2_init_5706s_phy(bp);
		else if (CHIP_NUM(bp) == CHIP_NUM_5708)
			rc = bnx2_init_5708s_phy(bp);
1971 1972
		else if (CHIP_NUM(bp) == CHIP_NUM_5709)
			rc = bnx2_init_5709s_phy(bp);
1973 1974 1975 1976 1977
	}
	else {
		rc = bnx2_init_copper_phy(bp);
	}

1978 1979 1980
setup_phy:
	if (!rc)
		rc = bnx2_setup_phy(bp, bp->phy_port);
1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997

	return rc;
}

static int
bnx2_set_mac_loopback(struct bnx2 *bp)
{
	u32 mac_mode;

	mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
	mac_mode &= ~BNX2_EMAC_MODE_PORT;
	mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
	REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
	bp->link_up = 1;
	return 0;
}

M
Michael Chan 已提交
1998 1999 2000 2001 2002 2003 2004 2005 2006
static int bnx2_test_link(struct bnx2 *);

static int
bnx2_set_phy_loopback(struct bnx2 *bp)
{
	u32 mac_mode;
	int rc, i;

	spin_lock_bh(&bp->phy_lock);
2007
	rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
M
Michael Chan 已提交
2008 2009 2010 2011 2012 2013 2014 2015
			    BMCR_SPEED1000);
	spin_unlock_bh(&bp->phy_lock);
	if (rc)
		return rc;

	for (i = 0; i < 10; i++) {
		if (bnx2_test_link(bp) == 0)
			break;
M
Michael Chan 已提交
2016
		msleep(100);
M
Michael Chan 已提交
2017 2018 2019 2020 2021
	}

	mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
	mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
		      BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
M
Michael Chan 已提交
2022
		      BNX2_EMAC_MODE_25G_MODE);
M
Michael Chan 已提交
2023 2024 2025 2026 2027 2028 2029

	mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
	REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
	bp->link_up = 1;
	return 0;
}

2030
static int
2031
bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int silent)
2032 2033 2034 2035 2036 2037 2038
{
	int i;
	u32 val;

	bp->fw_wr_seq++;
	msg_data |= bp->fw_wr_seq;

2039
	REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_MB, msg_data);
2040 2041

	/* wait for an acknowledgement. */
2042 2043
	for (i = 0; i < (FW_ACK_TIME_OUT_MS / 10); i++) {
		msleep(10);
2044

2045
		val = REG_RD_IND(bp, bp->shmem_base + BNX2_FW_MB);
2046 2047 2048 2049

		if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
			break;
	}
2050 2051
	if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
		return 0;
2052 2053

	/* If we timed out, inform the firmware that this is the case. */
2054 2055 2056 2057
	if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
		if (!silent)
			printk(KERN_ERR PFX "fw sync timeout, reset code = "
					    "%x\n", msg_data);
2058 2059 2060 2061

		msg_data &= ~BNX2_DRV_MSG_CODE;
		msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;

2062
		REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_MB, msg_data);
2063 2064 2065 2066

		return -EBUSY;
	}

2067 2068 2069
	if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
		return -EIO;

2070 2071 2072
	return 0;
}

M
Michael Chan 已提交
2073 2074 2075 2076 2077 2078 2079 2080 2081
static int
bnx2_init_5709_context(struct bnx2 *bp)
{
	int i, ret = 0;
	u32 val;

	val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
	val |= (BCM_PAGE_BITS - 8) << 16;
	REG_WR(bp, BNX2_CTX_COMMAND, val);
2082 2083 2084 2085 2086 2087 2088 2089 2090
	for (i = 0; i < 10; i++) {
		val = REG_RD(bp, BNX2_CTX_COMMAND);
		if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
			break;
		udelay(2);
	}
	if (val & BNX2_CTX_COMMAND_MEM_INIT)
		return -EBUSY;

M
Michael Chan 已提交
2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115
	for (i = 0; i < bp->ctx_pages; i++) {
		int j;

		REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
		       (bp->ctx_blk_mapping[i] & 0xffffffff) |
		       BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
		REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
		       (u64) bp->ctx_blk_mapping[i] >> 32);
		REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
		       BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
		for (j = 0; j < 10; j++) {

			val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
			if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
				break;
			udelay(5);
		}
		if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
			ret = -EBUSY;
			break;
		}
	}
	return ret;
}

2116 2117 2118 2119 2120 2121 2122 2123
static void
bnx2_init_context(struct bnx2 *bp)
{
	u32 vcid;

	vcid = 96;
	while (vcid) {
		u32 vcid_addr, pcid_addr, offset;
2124
		int i;
2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144

		vcid--;

		if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
			u32 new_vcid;

			vcid_addr = GET_PCID_ADDR(vcid);
			if (vcid & 0x8) {
				new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
			}
			else {
				new_vcid = vcid;
			}
			pcid_addr = GET_PCID_ADDR(new_vcid);
		}
		else {
	    		vcid_addr = GET_CID_ADDR(vcid);
			pcid_addr = vcid_addr;
		}

2145 2146 2147
		for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
			vcid_addr += (i << PHY_CTX_SHIFT);
			pcid_addr += (i << PHY_CTX_SHIFT);
2148

2149
			REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
2150
			REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2151

2152 2153
			/* Zero out the context. */
			for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
2154
				CTX_WR(bp, vcid_addr, offset, 0);
2155
		}
2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210
	}
}

static int
bnx2_alloc_bad_rbuf(struct bnx2 *bp)
{
	u16 *good_mbuf;
	u32 good_mbuf_cnt;
	u32 val;

	good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
	if (good_mbuf == NULL) {
		printk(KERN_ERR PFX "Failed to allocate memory in "
				    "bnx2_alloc_bad_rbuf\n");
		return -ENOMEM;
	}

	REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
		BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);

	good_mbuf_cnt = 0;

	/* Allocate a bunch of mbufs and save the good ones in an array. */
	val = REG_RD_IND(bp, BNX2_RBUF_STATUS1);
	while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
		REG_WR_IND(bp, BNX2_RBUF_COMMAND, BNX2_RBUF_COMMAND_ALLOC_REQ);

		val = REG_RD_IND(bp, BNX2_RBUF_FW_BUF_ALLOC);

		val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;

		/* The addresses with Bit 9 set are bad memory blocks. */
		if (!(val & (1 << 9))) {
			good_mbuf[good_mbuf_cnt] = (u16) val;
			good_mbuf_cnt++;
		}

		val = REG_RD_IND(bp, BNX2_RBUF_STATUS1);
	}

	/* Free the good ones back to the mbuf pool thus discarding
	 * all the bad ones. */
	while (good_mbuf_cnt) {
		good_mbuf_cnt--;

		val = good_mbuf[good_mbuf_cnt];
		val = (val << 9) | val | 1;

		REG_WR_IND(bp, BNX2_RBUF_FW_BUF_FREE, val);
	}
	kfree(good_mbuf);
	return 0;
}

static void
2211
bnx2_set_mac_addr(struct bnx2 *bp)
2212 2213 2214 2215 2216 2217 2218 2219
{
	u32 val;
	u8 *mac_addr = bp->dev->dev_addr;

	val = (mac_addr[0] << 8) | mac_addr[1];

	REG_WR(bp, BNX2_EMAC_MAC_MATCH0, val);

2220
	val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
2221 2222 2223 2224 2225
		(mac_addr[4] << 8) | mac_addr[5];

	REG_WR(bp, BNX2_EMAC_MAC_MATCH1, val);
}

2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261
static inline int
bnx2_alloc_rx_page(struct bnx2 *bp, u16 index)
{
	dma_addr_t mapping;
	struct sw_pg *rx_pg = &bp->rx_pg_ring[index];
	struct rx_bd *rxbd =
		&bp->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
	struct page *page = alloc_page(GFP_ATOMIC);

	if (!page)
		return -ENOMEM;
	mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
			       PCI_DMA_FROMDEVICE);
	rx_pg->page = page;
	pci_unmap_addr_set(rx_pg, mapping, mapping);
	rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
	rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
	return 0;
}

static void
bnx2_free_rx_page(struct bnx2 *bp, u16 index)
{
	struct sw_pg *rx_pg = &bp->rx_pg_ring[index];
	struct page *page = rx_pg->page;

	if (!page)
		return;

	pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping), PAGE_SIZE,
		       PCI_DMA_FROMDEVICE);

	__free_page(page);
	rx_pg->page = NULL;
}

2262 2263 2264 2265 2266 2267
static inline int
bnx2_alloc_rx_skb(struct bnx2 *bp, u16 index)
{
	struct sk_buff *skb;
	struct sw_bd *rx_buf = &bp->rx_buf_ring[index];
	dma_addr_t mapping;
2268
	struct rx_bd *rxbd = &bp->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
2269 2270
	unsigned long align;

2271
	skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
2272 2273 2274 2275
	if (skb == NULL) {
		return -ENOMEM;
	}

M
Michael Chan 已提交
2276 2277
	if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
		skb_reserve(skb, BNX2_RX_ALIGN - align);
2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292

	mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
		PCI_DMA_FROMDEVICE);

	rx_buf->skb = skb;
	pci_unmap_addr_set(rx_buf, mapping, mapping);

	rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
	rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;

	bp->rx_prod_bseq += bp->rx_buf_use_size;

	return 0;
}

2293 2294
static int
bnx2_phy_event_is_set(struct bnx2 *bp, u32 event)
2295
{
2296
	struct status_block *sblk = bp->status_blk;
2297
	u32 new_link_state, old_link_state;
2298
	int is_set = 1;
2299

2300 2301
	new_link_state = sblk->status_attn_bits & event;
	old_link_state = sblk->status_attn_bits_ack & event;
2302
	if (new_link_state != old_link_state) {
2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317
		if (new_link_state)
			REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
		else
			REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
	} else
		is_set = 0;

	return is_set;
}

static void
bnx2_phy_int(struct bnx2 *bp)
{
	if (bnx2_phy_event_is_set(bp, STATUS_ATTN_BITS_LINK_STATE)) {
		spin_lock(&bp->phy_lock);
2318
		bnx2_set_link(bp);
2319
		spin_unlock(&bp->phy_lock);
2320
	}
2321 2322 2323
	if (bnx2_phy_event_is_set(bp, STATUS_ATTN_BITS_TIMER_ABORT))
		bnx2_set_remote_link(bp);

2324 2325 2326 2327 2328
}

static void
bnx2_tx_int(struct bnx2 *bp)
{
M
Michael Chan 已提交
2329
	struct status_block *sblk = bp->status_blk;
2330 2331 2332
	u16 hw_cons, sw_cons, sw_ring_cons;
	int tx_free_bd = 0;

M
Michael Chan 已提交
2333
	hw_cons = bp->hw_tx_cons = sblk->status_tx_quick_consumer_index0;
2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347
	if ((hw_cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT) {
		hw_cons++;
	}
	sw_cons = bp->tx_cons;

	while (sw_cons != hw_cons) {
		struct sw_bd *tx_buf;
		struct sk_buff *skb;
		int i, last;

		sw_ring_cons = TX_RING_IDX(sw_cons);

		tx_buf = &bp->tx_buf_ring[sw_ring_cons];
		skb = tx_buf->skb;
A
Arjan van de Ven 已提交
2348

2349
		/* partial BD completions possible with TSO packets */
H
Herbert Xu 已提交
2350
		if (skb_is_gso(skb)) {
2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362 2363
			u16 last_idx, last_ring_idx;

			last_idx = sw_cons +
				skb_shinfo(skb)->nr_frags + 1;
			last_ring_idx = sw_ring_cons +
				skb_shinfo(skb)->nr_frags + 1;
			if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
				last_idx++;
			}
			if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
				break;
			}
		}
A
Arjan van de Ven 已提交
2364

2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385
		pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
			skb_headlen(skb), PCI_DMA_TODEVICE);

		tx_buf->skb = NULL;
		last = skb_shinfo(skb)->nr_frags;

		for (i = 0; i < last; i++) {
			sw_cons = NEXT_TX_BD(sw_cons);

			pci_unmap_page(bp->pdev,
				pci_unmap_addr(
					&bp->tx_buf_ring[TX_RING_IDX(sw_cons)],
				       	mapping),
				skb_shinfo(skb)->frags[i].size,
				PCI_DMA_TODEVICE);
		}

		sw_cons = NEXT_TX_BD(sw_cons);

		tx_free_bd += last + 1;

2386
		dev_kfree_skb(skb);
2387

M
Michael Chan 已提交
2388 2389 2390
		hw_cons = bp->hw_tx_cons =
			sblk->status_tx_quick_consumer_index0;

2391 2392 2393 2394 2395
		if ((hw_cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT) {
			hw_cons++;
		}
	}

M
Michael Chan 已提交
2396
	bp->tx_cons = sw_cons;
M
Michael Chan 已提交
2397 2398 2399 2400 2401 2402
	/* Need to make the tx_cons update visible to bnx2_start_xmit()
	 * before checking for netif_queue_stopped().  Without the
	 * memory barrier, there is a small possibility that bnx2_start_xmit()
	 * will miss it and cause the queue to be stopped forever.
	 */
	smp_mb();
2403

M
Michael Chan 已提交
2404 2405 2406
	if (unlikely(netif_queue_stopped(bp->dev)) &&
		     (bnx2_tx_avail(bp) > bp->tx_wake_thresh)) {
		netif_tx_lock(bp->dev);
2407
		if ((netif_queue_stopped(bp->dev)) &&
M
Michael Chan 已提交
2408
		    (bnx2_tx_avail(bp) > bp->tx_wake_thresh))
2409
			netif_wake_queue(bp->dev);
M
Michael Chan 已提交
2410
		netif_tx_unlock(bp->dev);
2411 2412 2413 2414 2415 2416 2417
	}
}

static inline void
bnx2_reuse_rx_skb(struct bnx2 *bp, struct sk_buff *skb,
	u16 cons, u16 prod)
{
2418 2419 2420 2421 2422
	struct sw_bd *cons_rx_buf, *prod_rx_buf;
	struct rx_bd *cons_bd, *prod_bd;

	cons_rx_buf = &bp->rx_buf_ring[cons];
	prod_rx_buf = &bp->rx_buf_ring[prod];
2423 2424 2425 2426 2427

	pci_dma_sync_single_for_device(bp->pdev,
		pci_unmap_addr(cons_rx_buf, mapping),
		bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);

2428
	bp->rx_prod_bseq += bp->rx_buf_use_size;
2429

2430
	prod_rx_buf->skb = skb;
2431

2432 2433
	if (cons == prod)
		return;
2434

2435 2436 2437
	pci_unmap_addr_set(prod_rx_buf, mapping,
			pci_unmap_addr(cons_rx_buf, mapping));

2438 2439
	cons_bd = &bp->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
	prod_bd = &bp->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
2440 2441
	prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
	prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2442 2443
}

2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464
static int
bnx2_rx_skb(struct bnx2 *bp, struct sk_buff *skb, unsigned int len,
	    dma_addr_t dma_addr, u32 ring_idx)
{
	int err;
	u16 prod = ring_idx & 0xffff;

	err = bnx2_alloc_rx_skb(bp, prod);
	if (unlikely(err)) {
		bnx2_reuse_rx_skb(bp, skb, (u16) (ring_idx >> 16), prod);
		return err;
	}

	skb_reserve(skb, bp->rx_offset);
	pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
			 PCI_DMA_FROMDEVICE);

	skb_put(skb, len);
	return 0;
}

M
Michael Chan 已提交
2465 2466 2467 2468 2469 2470 2471 2472 2473 2474
static inline u16
bnx2_get_hw_rx_cons(struct bnx2 *bp)
{
	u16 cons = bp->status_blk->status_rx_quick_consumer_index0;

	if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
		cons++;
	return cons;
}

2475 2476 2477 2478 2479 2480 2481
static int
bnx2_rx_int(struct bnx2 *bp, int budget)
{
	u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
	struct l2_fhdr *rx_hdr;
	int rx_pkt = 0;

M
Michael Chan 已提交
2482
	hw_cons = bnx2_get_hw_rx_cons(bp);
2483 2484 2485 2486 2487 2488 2489 2490 2491
	sw_cons = bp->rx_cons;
	sw_prod = bp->rx_prod;

	/* Memory barrier necessary as speculative reads of the rx
	 * buffer can be ahead of the index in the status block
	 */
	rmb();
	while (sw_cons != hw_cons) {
		unsigned int len;
2492
		u32 status;
2493 2494
		struct sw_bd *rx_buf;
		struct sk_buff *skb;
2495
		dma_addr_t dma_addr;
2496 2497 2498 2499 2500 2501

		sw_ring_cons = RX_RING_IDX(sw_cons);
		sw_ring_prod = RX_RING_IDX(sw_prod);

		rx_buf = &bp->rx_buf_ring[sw_ring_cons];
		skb = rx_buf->skb;
2502 2503 2504 2505 2506 2507

		rx_buf->skb = NULL;

		dma_addr = pci_unmap_addr(rx_buf, mapping);

		pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
2508 2509 2510 2511 2512
			bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);

		rx_hdr = (struct l2_fhdr *) skb->data;
		len = rx_hdr->l2_fhdr_pkt_len - 4;

2513
		if ((status = rx_hdr->l2_fhdr_status) &
2514 2515 2516 2517 2518 2519
			(L2_FHDR_ERRORS_BAD_CRC |
			L2_FHDR_ERRORS_PHY_DECODE |
			L2_FHDR_ERRORS_ALIGNMENT |
			L2_FHDR_ERRORS_TOO_SHORT |
			L2_FHDR_ERRORS_GIANT_FRAME)) {

2520 2521
			bnx2_reuse_rx_skb(bp, skb, sw_ring_cons, sw_ring_prod);
			goto next_rx;
2522 2523
		}

2524
		if (len <= bp->rx_copy_thresh) {
2525 2526
			struct sk_buff *new_skb;

2527
			new_skb = netdev_alloc_skb(bp->dev, len + 2);
2528 2529 2530 2531 2532
			if (new_skb == NULL) {
				bnx2_reuse_rx_skb(bp, skb, sw_ring_cons,
						  sw_ring_prod);
				goto next_rx;
			}
2533 2534

			/* aligned copy */
2535 2536
			skb_copy_from_linear_data_offset(skb, bp->rx_offset - 2,
				      new_skb->data, len + 2);
2537 2538 2539 2540 2541 2542 2543
			skb_reserve(new_skb, 2);
			skb_put(new_skb, len);

			bnx2_reuse_rx_skb(bp, skb,
				sw_ring_cons, sw_ring_prod);

			skb = new_skb;
2544 2545
		} else if (unlikely(bnx2_rx_skb(bp, skb, len, dma_addr,
				    (sw_ring_cons << 16) | sw_ring_prod)))
2546 2547 2548 2549 2550
			goto next_rx;

		skb->protocol = eth_type_trans(skb, bp->dev);

		if ((len > (bp->dev->mtu + ETH_HLEN)) &&
A
Alexey Dobriyan 已提交
2551
			(ntohs(skb->protocol) != 0x8100)) {
2552

2553
			dev_kfree_skb(skb);
2554 2555 2556 2557 2558 2559 2560 2561 2562
			goto next_rx;

		}

		skb->ip_summed = CHECKSUM_NONE;
		if (bp->rx_csum &&
			(status & (L2_FHDR_STATUS_TCP_SEGMENT |
			L2_FHDR_STATUS_UDP_DATAGRAM))) {

2563 2564
			if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
					      L2_FHDR_ERRORS_UDP_XSUM)) == 0))
2565 2566 2567 2568 2569 2570 2571 2572 2573 2574 2575 2576 2577 2578 2579 2580 2581 2582 2583 2584 2585
				skb->ip_summed = CHECKSUM_UNNECESSARY;
		}

#ifdef BCM_VLAN
		if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && (bp->vlgrp != 0)) {
			vlan_hwaccel_receive_skb(skb, bp->vlgrp,
				rx_hdr->l2_fhdr_vlan_tag);
		}
		else
#endif
			netif_receive_skb(skb);

		bp->dev->last_rx = jiffies;
		rx_pkt++;

next_rx:
		sw_cons = NEXT_RX_BD(sw_cons);
		sw_prod = NEXT_RX_BD(sw_prod);

		if ((rx_pkt == budget))
			break;
M
Michael Chan 已提交
2586 2587 2588

		/* Refresh hw_cons to see if there is new work */
		if (sw_cons == hw_cons) {
M
Michael Chan 已提交
2589
			hw_cons = bnx2_get_hw_rx_cons(bp);
M
Michael Chan 已提交
2590 2591
			rmb();
		}
2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609
	}
	bp->rx_cons = sw_cons;
	bp->rx_prod = sw_prod;

	REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, sw_prod);

	REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->rx_prod_bseq);

	mmiowb();

	return rx_pkt;

}

/* MSI ISR - The only difference between this and the INTx ISR
 * is that the MSI interrupt is always serviced.
 */
static irqreturn_t
2610
bnx2_msi(int irq, void *dev_instance)
2611 2612
{
	struct net_device *dev = dev_instance;
M
Michael Chan 已提交
2613
	struct bnx2 *bp = netdev_priv(dev);
2614

2615
	prefetch(bp->status_blk);
2616 2617 2618 2619 2620
	REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
		BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
		BNX2_PCICFG_INT_ACK_CMD_MASK_INT);

	/* Return here if interrupt is disabled. */
2621 2622
	if (unlikely(atomic_read(&bp->intr_sem) != 0))
		return IRQ_HANDLED;
2623

2624
	netif_rx_schedule(dev, &bp->napi);
2625

2626
	return IRQ_HANDLED;
2627 2628
}

2629 2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640
static irqreturn_t
bnx2_msi_1shot(int irq, void *dev_instance)
{
	struct net_device *dev = dev_instance;
	struct bnx2 *bp = netdev_priv(dev);

	prefetch(bp->status_blk);

	/* Return here if interrupt is disabled. */
	if (unlikely(atomic_read(&bp->intr_sem) != 0))
		return IRQ_HANDLED;

2641
	netif_rx_schedule(dev, &bp->napi);
2642 2643 2644 2645

	return IRQ_HANDLED;
}

2646
static irqreturn_t
2647
bnx2_interrupt(int irq, void *dev_instance)
2648 2649
{
	struct net_device *dev = dev_instance;
M
Michael Chan 已提交
2650
	struct bnx2 *bp = netdev_priv(dev);
2651
	struct status_block *sblk = bp->status_blk;
2652 2653 2654 2655 2656 2657 2658

	/* When using INTx, it is possible for the interrupt to arrive
	 * at the CPU before the status block posted prior to the
	 * interrupt. Reading a register will flush the status block.
	 * When using MSI, the MSI message will always complete after
	 * the status block write.
	 */
2659
	if ((sblk->status_idx == bp->last_status_idx) &&
2660 2661
	    (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
	     BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
2662
		return IRQ_NONE;
2663 2664 2665 2666 2667

	REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
		BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
		BNX2_PCICFG_INT_ACK_CMD_MASK_INT);

2668 2669 2670 2671 2672
	/* Read back to deassert IRQ immediately to avoid too many
	 * spurious interrupts.
	 */
	REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);

2673
	/* Return here if interrupt is shared and is disabled. */
2674 2675
	if (unlikely(atomic_read(&bp->intr_sem) != 0))
		return IRQ_HANDLED;
2676

2677
	if (netif_rx_schedule_prep(dev, &bp->napi)) {
2678
		bp->last_status_idx = sblk->status_idx;
2679
		__netif_rx_schedule(dev, &bp->napi);
2680
	}
2681

2682
	return IRQ_HANDLED;
2683 2684
}

2685 2686
#define STATUS_ATTN_EVENTS	(STATUS_ATTN_BITS_LINK_STATE | \
				 STATUS_ATTN_BITS_TIMER_ABORT)
2687

M
Michael Chan 已提交
2688 2689 2690 2691 2692
static inline int
bnx2_has_work(struct bnx2 *bp)
{
	struct status_block *sblk = bp->status_blk;

M
Michael Chan 已提交
2693
	if ((bnx2_get_hw_rx_cons(bp) != bp->rx_cons) ||
M
Michael Chan 已提交
2694 2695 2696
	    (sblk->status_tx_quick_consumer_index0 != bp->hw_tx_cons))
		return 1;

2697 2698
	if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
	    (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
M
Michael Chan 已提交
2699 2700 2701 2702 2703
		return 1;

	return 0;
}

2704
static int bnx2_poll_work(struct bnx2 *bp, int work_done, int budget)
2705
{
2706 2707 2708
	struct status_block *sblk = bp->status_blk;
	u32 status_attn_bits = sblk->status_attn_bits;
	u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
2709

2710 2711
	if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
	    (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
2712 2713

		bnx2_phy_int(bp);
M
Michael Chan 已提交
2714 2715 2716 2717 2718 2719 2720

		/* This is needed to take care of transient status
		 * during link changes.
		 */
		REG_WR(bp, BNX2_HC_COMMAND,
		       bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
		REG_RD(bp, BNX2_HC_COMMAND);
2721 2722
	}

M
Michael Chan 已提交
2723
	if (sblk->status_tx_quick_consumer_index0 != bp->hw_tx_cons)
2724 2725
		bnx2_tx_int(bp);

M
Michael Chan 已提交
2726
	if (bnx2_get_hw_rx_cons(bp) != bp->rx_cons)
2727
		work_done += bnx2_rx_int(bp, budget - work_done);
2728

2729 2730 2731 2732 2733 2734 2735
	return work_done;
}

static int bnx2_poll(struct napi_struct *napi, int budget)
{
	struct bnx2 *bp = container_of(napi, struct bnx2, napi);
	int work_done = 0;
M
Michael Chan 已提交
2736
	struct status_block *sblk = bp->status_blk;
2737 2738 2739

	while (1) {
		work_done = bnx2_poll_work(bp, work_done, budget);
M
Michael Chan 已提交
2740

2741 2742 2743
		if (unlikely(work_done >= budget))
			break;

M
Michael Chan 已提交
2744 2745 2746 2747 2748 2749
		/* bp->last_status_idx is used below to tell the hw how
		 * much work has been processed, so we must read it before
		 * checking for more work.
		 */
		bp->last_status_idx = sblk->status_idx;
		rmb();
2750 2751 2752 2753 2754 2755
		if (likely(!bnx2_has_work(bp))) {
			netif_rx_complete(bp->dev, napi);
			if (likely(bp->flags & USING_MSI_FLAG)) {
				REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
				       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
				       bp->last_status_idx);
M
Michael Chan 已提交
2756
				break;
2757
			}
2758 2759
			REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
			       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
2760
			       BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
2761 2762
			       bp->last_status_idx);

2763 2764 2765 2766 2767
			REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
			       BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
			       bp->last_status_idx);
			break;
		}
2768 2769
	}

2770
	return work_done;
2771 2772
}

H
Herbert Xu 已提交
2773
/* Called with rtnl_lock from vlan functions and also netif_tx_lock
2774 2775 2776 2777 2778
 * from set_multicast.
 */
static void
bnx2_set_rx_mode(struct net_device *dev)
{
M
Michael Chan 已提交
2779
	struct bnx2 *bp = netdev_priv(dev);
2780 2781 2782
	u32 rx_mode, sort_mode;
	int i;

2783
	spin_lock_bh(&bp->phy_lock);
2784 2785 2786 2787 2788

	rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
				  BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
	sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
#ifdef BCM_VLAN
M
Michael Chan 已提交
2789
	if (!bp->vlgrp && !(bp->flags & ASF_ENABLE_FLAG))
2790 2791
		rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
#else
M
Michael Chan 已提交
2792 2793
	if (!(bp->flags & ASF_ENABLE_FLAG))
		rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
2794 2795 2796 2797
#endif
	if (dev->flags & IFF_PROMISC) {
		/* Promiscuous mode. */
		rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
M
Michael Chan 已提交
2798 2799
		sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
			     BNX2_RPM_SORT_USER0_PROM_VLAN;
2800 2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837 2838 2839 2840 2841 2842 2843 2844
	}
	else if (dev->flags & IFF_ALLMULTI) {
		for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
			REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
			       0xffffffff);
        	}
		sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
	}
	else {
		/* Accept one or more multicast(s). */
		struct dev_mc_list *mclist;
		u32 mc_filter[NUM_MC_HASH_REGISTERS];
		u32 regidx;
		u32 bit;
		u32 crc;

		memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);

		for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
		     i++, mclist = mclist->next) {

			crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
			bit = crc & 0xff;
			regidx = (bit & 0xe0) >> 5;
			bit &= 0x1f;
			mc_filter[regidx] |= (1 << bit);
		}

		for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
			REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
			       mc_filter[i]);
		}

		sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
	}

	if (rx_mode != bp->rx_mode) {
		bp->rx_mode = rx_mode;
		REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
	}

	REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
	REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
	REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);

2845
	spin_unlock_bh(&bp->phy_lock);
2846 2847 2848 2849 2850 2851 2852 2853 2854 2855 2856
}

static void
load_rv2p_fw(struct bnx2 *bp, u32 *rv2p_code, u32 rv2p_code_len,
	u32 rv2p_proc)
{
	int i;
	u32 val;


	for (i = 0; i < rv2p_code_len; i += 8) {
2857
		REG_WR(bp, BNX2_RV2P_INSTR_HIGH, cpu_to_le32(*rv2p_code));
2858
		rv2p_code++;
2859
		REG_WR(bp, BNX2_RV2P_INSTR_LOW, cpu_to_le32(*rv2p_code));
2860 2861 2862 2863 2864 2865 2866 2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880
		rv2p_code++;

		if (rv2p_proc == RV2P_PROC1) {
			val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
			REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
		}
		else {
			val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
			REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
		}
	}

	/* Reset the processor, un-stall is done later. */
	if (rv2p_proc == RV2P_PROC1) {
		REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
	}
	else {
		REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
	}
}

2881
static int
2882 2883 2884 2885
load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw)
{
	u32 offset;
	u32 val;
2886
	int rc;
2887 2888 2889 2890 2891 2892 2893 2894 2895

	/* Halt the CPU. */
	val = REG_RD_IND(bp, cpu_reg->mode);
	val |= cpu_reg->mode_value_halt;
	REG_WR_IND(bp, cpu_reg->mode, val);
	REG_WR_IND(bp, cpu_reg->state, cpu_reg->state_value_clear);

	/* Load the Text area. */
	offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
2896
	if (fw->gz_text) {
2897 2898
		int j;

M
Michael Chan 已提交
2899 2900 2901
		rc = zlib_inflate_blob(fw->text, FW_BUF_SIZE, fw->gz_text,
				       fw->gz_text_len);
		if (rc < 0)
D
Denys Vlasenko 已提交
2902
			return rc;
M
Michael Chan 已提交
2903

2904
		for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
M
Michael Chan 已提交
2905
			REG_WR_IND(bp, offset, cpu_to_le32(fw->text[j]));
2906 2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 2920
	        }
	}

	/* Load the Data area. */
	offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
	if (fw->data) {
		int j;

		for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
			REG_WR_IND(bp, offset, fw->data[j]);
		}
	}

	/* Load the SBSS area. */
	offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
M
Michael Chan 已提交
2921
	if (fw->sbss_len) {
2922 2923 2924
		int j;

		for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
M
Michael Chan 已提交
2925
			REG_WR_IND(bp, offset, 0);
2926 2927 2928 2929 2930
		}
	}

	/* Load the BSS area. */
	offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
M
Michael Chan 已提交
2931
	if (fw->bss_len) {
2932 2933 2934
		int j;

		for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
M
Michael Chan 已提交
2935
			REG_WR_IND(bp, offset, 0);
2936 2937 2938 2939 2940 2941 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958
		}
	}

	/* Load the Read-Only area. */
	offset = cpu_reg->spad_base +
		(fw->rodata_addr - cpu_reg->mips_view_base);
	if (fw->rodata) {
		int j;

		for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
			REG_WR_IND(bp, offset, fw->rodata[j]);
		}
	}

	/* Clear the pre-fetch instruction. */
	REG_WR_IND(bp, cpu_reg->inst, 0);
	REG_WR_IND(bp, cpu_reg->pc, fw->start_addr);

	/* Start the CPU. */
	val = REG_RD_IND(bp, cpu_reg->mode);
	val &= ~cpu_reg->mode_value_halt;
	REG_WR_IND(bp, cpu_reg->state, cpu_reg->state_value_clear);
	REG_WR_IND(bp, cpu_reg->mode, val);
2959 2960

	return 0;
2961 2962
}

2963
static int
2964 2965 2966
bnx2_init_cpus(struct bnx2 *bp)
{
	struct cpu_reg cpu_reg;
2967
	struct fw_info *fw;
2968 2969
	int rc, rv2p_len;
	void *text, *rv2p;
2970 2971

	/* Initialize the RV2P processor. */
D
Denys Vlasenko 已提交
2972 2973 2974
	text = vmalloc(FW_BUF_SIZE);
	if (!text)
		return -ENOMEM;
2975 2976 2977 2978 2979 2980 2981 2982
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		rv2p = bnx2_xi_rv2p_proc1;
		rv2p_len = sizeof(bnx2_xi_rv2p_proc1);
	} else {
		rv2p = bnx2_rv2p_proc1;
		rv2p_len = sizeof(bnx2_rv2p_proc1);
	}
	rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
M
Michael Chan 已提交
2983
	if (rc < 0)
2984
		goto init_cpu_err;
M
Michael Chan 已提交
2985

D
Denys Vlasenko 已提交
2986
	load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC1);
2987

2988 2989 2990 2991 2992 2993 2994 2995
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		rv2p = bnx2_xi_rv2p_proc2;
		rv2p_len = sizeof(bnx2_xi_rv2p_proc2);
	} else {
		rv2p = bnx2_rv2p_proc2;
		rv2p_len = sizeof(bnx2_rv2p_proc2);
	}
	rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
M
Michael Chan 已提交
2996
	if (rc < 0)
2997
		goto init_cpu_err;
M
Michael Chan 已提交
2998

D
Denys Vlasenko 已提交
2999
	load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC2);
3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013

	/* Initialize the RX Processor. */
	cpu_reg.mode = BNX2_RXP_CPU_MODE;
	cpu_reg.mode_value_halt = BNX2_RXP_CPU_MODE_SOFT_HALT;
	cpu_reg.mode_value_sstep = BNX2_RXP_CPU_MODE_STEP_ENA;
	cpu_reg.state = BNX2_RXP_CPU_STATE;
	cpu_reg.state_value_clear = 0xffffff;
	cpu_reg.gpr0 = BNX2_RXP_CPU_REG_FILE;
	cpu_reg.evmask = BNX2_RXP_CPU_EVENT_MASK;
	cpu_reg.pc = BNX2_RXP_CPU_PROGRAM_COUNTER;
	cpu_reg.inst = BNX2_RXP_CPU_INSTRUCTION;
	cpu_reg.bp = BNX2_RXP_CPU_HW_BREAKPOINT;
	cpu_reg.spad_base = BNX2_RXP_SCRATCH;
	cpu_reg.mips_view_base = 0x8000000;
3014

M
Michael Chan 已提交
3015 3016 3017 3018
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		fw = &bnx2_rxp_fw_09;
	else
		fw = &bnx2_rxp_fw_06;
3019

M
Michael Chan 已提交
3020
	fw->text = text;
3021
	rc = load_cpu_fw(bp, &cpu_reg, fw);
3022 3023 3024
	if (rc)
		goto init_cpu_err;

3025 3026 3027 3028 3029 3030 3031 3032 3033 3034 3035 3036 3037
	/* Initialize the TX Processor. */
	cpu_reg.mode = BNX2_TXP_CPU_MODE;
	cpu_reg.mode_value_halt = BNX2_TXP_CPU_MODE_SOFT_HALT;
	cpu_reg.mode_value_sstep = BNX2_TXP_CPU_MODE_STEP_ENA;
	cpu_reg.state = BNX2_TXP_CPU_STATE;
	cpu_reg.state_value_clear = 0xffffff;
	cpu_reg.gpr0 = BNX2_TXP_CPU_REG_FILE;
	cpu_reg.evmask = BNX2_TXP_CPU_EVENT_MASK;
	cpu_reg.pc = BNX2_TXP_CPU_PROGRAM_COUNTER;
	cpu_reg.inst = BNX2_TXP_CPU_INSTRUCTION;
	cpu_reg.bp = BNX2_TXP_CPU_HW_BREAKPOINT;
	cpu_reg.spad_base = BNX2_TXP_SCRATCH;
	cpu_reg.mips_view_base = 0x8000000;
3038

M
Michael Chan 已提交
3039 3040 3041 3042
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		fw = &bnx2_txp_fw_09;
	else
		fw = &bnx2_txp_fw_06;
3043

M
Michael Chan 已提交
3044
	fw->text = text;
3045
	rc = load_cpu_fw(bp, &cpu_reg, fw);
3046 3047 3048
	if (rc)
		goto init_cpu_err;

3049 3050 3051 3052 3053 3054 3055 3056 3057 3058 3059 3060 3061
	/* Initialize the TX Patch-up Processor. */
	cpu_reg.mode = BNX2_TPAT_CPU_MODE;
	cpu_reg.mode_value_halt = BNX2_TPAT_CPU_MODE_SOFT_HALT;
	cpu_reg.mode_value_sstep = BNX2_TPAT_CPU_MODE_STEP_ENA;
	cpu_reg.state = BNX2_TPAT_CPU_STATE;
	cpu_reg.state_value_clear = 0xffffff;
	cpu_reg.gpr0 = BNX2_TPAT_CPU_REG_FILE;
	cpu_reg.evmask = BNX2_TPAT_CPU_EVENT_MASK;
	cpu_reg.pc = BNX2_TPAT_CPU_PROGRAM_COUNTER;
	cpu_reg.inst = BNX2_TPAT_CPU_INSTRUCTION;
	cpu_reg.bp = BNX2_TPAT_CPU_HW_BREAKPOINT;
	cpu_reg.spad_base = BNX2_TPAT_SCRATCH;
	cpu_reg.mips_view_base = 0x8000000;
3062

M
Michael Chan 已提交
3063 3064 3065 3066
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		fw = &bnx2_tpat_fw_09;
	else
		fw = &bnx2_tpat_fw_06;
3067

M
Michael Chan 已提交
3068
	fw->text = text;
3069
	rc = load_cpu_fw(bp, &cpu_reg, fw);
3070 3071 3072
	if (rc)
		goto init_cpu_err;

3073 3074 3075 3076 3077 3078 3079 3080 3081 3082 3083 3084 3085
	/* Initialize the Completion Processor. */
	cpu_reg.mode = BNX2_COM_CPU_MODE;
	cpu_reg.mode_value_halt = BNX2_COM_CPU_MODE_SOFT_HALT;
	cpu_reg.mode_value_sstep = BNX2_COM_CPU_MODE_STEP_ENA;
	cpu_reg.state = BNX2_COM_CPU_STATE;
	cpu_reg.state_value_clear = 0xffffff;
	cpu_reg.gpr0 = BNX2_COM_CPU_REG_FILE;
	cpu_reg.evmask = BNX2_COM_CPU_EVENT_MASK;
	cpu_reg.pc = BNX2_COM_CPU_PROGRAM_COUNTER;
	cpu_reg.inst = BNX2_COM_CPU_INSTRUCTION;
	cpu_reg.bp = BNX2_COM_CPU_HW_BREAKPOINT;
	cpu_reg.spad_base = BNX2_COM_SCRATCH;
	cpu_reg.mips_view_base = 0x8000000;
3086

M
Michael Chan 已提交
3087 3088 3089 3090
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		fw = &bnx2_com_fw_09;
	else
		fw = &bnx2_com_fw_06;
3091

M
Michael Chan 已提交
3092
	fw->text = text;
3093
	rc = load_cpu_fw(bp, &cpu_reg, fw);
3094 3095 3096
	if (rc)
		goto init_cpu_err;

M
Michael Chan 已提交
3097 3098 3099 3100 3101 3102 3103 3104 3105 3106 3107 3108 3109
	/* Initialize the Command Processor. */
	cpu_reg.mode = BNX2_CP_CPU_MODE;
	cpu_reg.mode_value_halt = BNX2_CP_CPU_MODE_SOFT_HALT;
	cpu_reg.mode_value_sstep = BNX2_CP_CPU_MODE_STEP_ENA;
	cpu_reg.state = BNX2_CP_CPU_STATE;
	cpu_reg.state_value_clear = 0xffffff;
	cpu_reg.gpr0 = BNX2_CP_CPU_REG_FILE;
	cpu_reg.evmask = BNX2_CP_CPU_EVENT_MASK;
	cpu_reg.pc = BNX2_CP_CPU_PROGRAM_COUNTER;
	cpu_reg.inst = BNX2_CP_CPU_INSTRUCTION;
	cpu_reg.bp = BNX2_CP_CPU_HW_BREAKPOINT;
	cpu_reg.spad_base = BNX2_CP_SCRATCH;
	cpu_reg.mips_view_base = 0x8000000;
3110

3111
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
M
Michael Chan 已提交
3112
		fw = &bnx2_cp_fw_09;
3113 3114 3115 3116 3117
	else
		fw = &bnx2_cp_fw_06;

	fw->text = text;
	rc = load_cpu_fw(bp, &cpu_reg, fw);
3118

3119
init_cpu_err:
M
Michael Chan 已提交
3120
	vfree(text);
3121
	return rc;
3122 3123 3124
}

static int
3125
bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
3126 3127 3128 3129 3130 3131
{
	u16 pmcsr;

	pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);

	switch (state) {
3132
	case PCI_D0: {
3133 3134 3135 3136 3137 3138 3139 3140 3141 3142 3143 3144 3145 3146 3147 3148 3149 3150 3151 3152
		u32 val;

		pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
			(pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
			PCI_PM_CTRL_PME_STATUS);

		if (pmcsr & PCI_PM_CTRL_STATE_MASK)
			/* delay required during transition out of D3hot */
			msleep(20);

		val = REG_RD(bp, BNX2_EMAC_MODE);
		val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
		val &= ~BNX2_EMAC_MODE_MPKT;
		REG_WR(bp, BNX2_EMAC_MODE, val);

		val = REG_RD(bp, BNX2_RPM_CONFIG);
		val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
		REG_WR(bp, BNX2_RPM_CONFIG, val);
		break;
	}
3153
	case PCI_D3hot: {
3154 3155 3156 3157 3158 3159 3160 3161 3162 3163
		int i;
		u32 val, wol_msg;

		if (bp->wol) {
			u32 advertising;
			u8 autoneg;

			autoneg = bp->autoneg;
			advertising = bp->advertising;

M
Michael Chan 已提交
3164 3165 3166 3167 3168 3169 3170 3171
			if (bp->phy_port == PORT_TP) {
				bp->autoneg = AUTONEG_SPEED;
				bp->advertising = ADVERTISED_10baseT_Half |
					ADVERTISED_10baseT_Full |
					ADVERTISED_100baseT_Half |
					ADVERTISED_100baseT_Full |
					ADVERTISED_Autoneg;
			}
3172

M
Michael Chan 已提交
3173 3174 3175
			spin_lock_bh(&bp->phy_lock);
			bnx2_setup_phy(bp, bp->phy_port);
			spin_unlock_bh(&bp->phy_lock);
3176 3177 3178 3179 3180 3181 3182 3183 3184 3185

			bp->autoneg = autoneg;
			bp->advertising = advertising;

			bnx2_set_mac_addr(bp);

			val = REG_RD(bp, BNX2_EMAC_MODE);

			/* Enable port mode. */
			val &= ~BNX2_EMAC_MODE_PORT;
M
Michael Chan 已提交
3186
			val |= BNX2_EMAC_MODE_MPKT_RCVD |
3187 3188
			       BNX2_EMAC_MODE_ACPI_RCVD |
			       BNX2_EMAC_MODE_MPKT;
M
Michael Chan 已提交
3189 3190 3191 3192 3193 3194 3195
			if (bp->phy_port == PORT_TP)
				val |= BNX2_EMAC_MODE_PORT_MII;
			else {
				val |= BNX2_EMAC_MODE_PORT_GMII;
				if (bp->line_speed == SPEED_2500)
					val |= BNX2_EMAC_MODE_25G_MODE;
			}
3196 3197 3198 3199 3200 3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229

			REG_WR(bp, BNX2_EMAC_MODE, val);

			/* receive all multicast */
			for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
				REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
				       0xffffffff);
			}
			REG_WR(bp, BNX2_EMAC_RX_MODE,
			       BNX2_EMAC_RX_MODE_SORT_MODE);

			val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
			      BNX2_RPM_SORT_USER0_MC_EN;
			REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
			REG_WR(bp, BNX2_RPM_SORT_USER0, val);
			REG_WR(bp, BNX2_RPM_SORT_USER0, val |
			       BNX2_RPM_SORT_USER0_ENA);

			/* Need to enable EMAC and RPM for WOL. */
			REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
			       BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
			       BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
			       BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);

			val = REG_RD(bp, BNX2_RPM_CONFIG);
			val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
			REG_WR(bp, BNX2_RPM_CONFIG, val);

			wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
		}
		else {
			wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
		}

M
Michael Chan 已提交
3230 3231
		if (!(bp->flags & NO_WOL_FLAG))
			bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg, 0);
3232 3233 3234 3235 3236 3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269 3270 3271 3272 3273 3274 3275 3276 3277 3278 3279 3280 3281 3282 3283 3284 3285 3286 3287 3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304 3305 3306 3307 3308 3309 3310 3311 3312 3313 3314

		pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
		if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
		    (CHIP_ID(bp) == CHIP_ID_5706_A1)) {

			if (bp->wol)
				pmcsr |= 3;
		}
		else {
			pmcsr |= 3;
		}
		if (bp->wol) {
			pmcsr |= PCI_PM_CTRL_PME_ENABLE;
		}
		pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
				      pmcsr);

		/* No more memory access after this point until
		 * device is brought back to D0.
		 */
		udelay(50);
		break;
	}
	default:
		return -EINVAL;
	}
	return 0;
}

static int
bnx2_acquire_nvram_lock(struct bnx2 *bp)
{
	u32 val;
	int j;

	/* Request access to the flash interface. */
	REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
	for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
		val = REG_RD(bp, BNX2_NVM_SW_ARB);
		if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
			break;

		udelay(5);
	}

	if (j >= NVRAM_TIMEOUT_COUNT)
		return -EBUSY;

	return 0;
}

static int
bnx2_release_nvram_lock(struct bnx2 *bp)
{
	int j;
	u32 val;

	/* Relinquish nvram interface. */
	REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);

	for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
		val = REG_RD(bp, BNX2_NVM_SW_ARB);
		if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
			break;

		udelay(5);
	}

	if (j >= NVRAM_TIMEOUT_COUNT)
		return -EBUSY;

	return 0;
}


static int
bnx2_enable_nvram_write(struct bnx2 *bp)
{
	u32 val;

	val = REG_RD(bp, BNX2_MISC_CFG);
	REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);

M
Michael Chan 已提交
3315
	if (bp->flash_info->flags & BNX2_NV_WREN) {
3316 3317 3318 3319 3320 3321 3322 3323 3324 3325 3326 3327 3328 3329 3330 3331 3332 3333 3334 3335 3336 3337 3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352
		int j;

		REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
		REG_WR(bp, BNX2_NVM_COMMAND,
		       BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);

		for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
			udelay(5);

			val = REG_RD(bp, BNX2_NVM_COMMAND);
			if (val & BNX2_NVM_COMMAND_DONE)
				break;
		}

		if (j >= NVRAM_TIMEOUT_COUNT)
			return -EBUSY;
	}
	return 0;
}

static void
bnx2_disable_nvram_write(struct bnx2 *bp)
{
	u32 val;

	val = REG_RD(bp, BNX2_MISC_CFG);
	REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
}


static void
bnx2_enable_nvram_access(struct bnx2 *bp)
{
	u32 val;

	val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
	/* Enable both bits, even on read. */
3353
	REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3354 3355 3356 3357 3358 3359 3360 3361 3362 3363
	       val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
}

static void
bnx2_disable_nvram_access(struct bnx2 *bp)
{
	u32 val;

	val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
	/* Disable both bits, even after read. */
3364
	REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
3365 3366 3367 3368 3369 3370 3371 3372 3373 3374
		val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
			BNX2_NVM_ACCESS_ENABLE_WR_EN));
}

static int
bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
{
	u32 cmd;
	int j;

M
Michael Chan 已提交
3375
	if (bp->flash_info->flags & BNX2_NV_BUFFERED)
3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 3388 3389 3390 3391 3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417
		/* Buffered flash, no erase needed */
		return 0;

	/* Build an erase command */
	cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
	      BNX2_NVM_COMMAND_DOIT;

	/* Need to clear DONE bit separately. */
	REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);

	/* Address of the NVRAM to read from. */
	REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);

	/* Issue an erase command. */
	REG_WR(bp, BNX2_NVM_COMMAND, cmd);

	/* Wait for completion. */
	for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
		u32 val;

		udelay(5);

		val = REG_RD(bp, BNX2_NVM_COMMAND);
		if (val & BNX2_NVM_COMMAND_DONE)
			break;
	}

	if (j >= NVRAM_TIMEOUT_COUNT)
		return -EBUSY;

	return 0;
}

static int
bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
{
	u32 cmd;
	int j;

	/* Build the command word. */
	cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;

M
Michael Chan 已提交
3418 3419
	/* Calculate an offset of a buffered flash, not needed for 5709. */
	if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
3420 3421 3422 3423 3424 3425 3426 3427 3428 3429 3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459 3460 3461 3462 3463 3464
		offset = ((offset / bp->flash_info->page_size) <<
			   bp->flash_info->page_bits) +
			  (offset % bp->flash_info->page_size);
	}

	/* Need to clear DONE bit separately. */
	REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);

	/* Address of the NVRAM to read from. */
	REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);

	/* Issue a read command. */
	REG_WR(bp, BNX2_NVM_COMMAND, cmd);

	/* Wait for completion. */
	for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
		u32 val;

		udelay(5);

		val = REG_RD(bp, BNX2_NVM_COMMAND);
		if (val & BNX2_NVM_COMMAND_DONE) {
			val = REG_RD(bp, BNX2_NVM_READ);

			val = be32_to_cpu(val);
			memcpy(ret_val, &val, 4);
			break;
		}
	}
	if (j >= NVRAM_TIMEOUT_COUNT)
		return -EBUSY;

	return 0;
}


static int
bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
{
	u32 cmd, val32;
	int j;

	/* Build the command word. */
	cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;

M
Michael Chan 已提交
3465 3466
	/* Calculate an offset of a buffered flash, not needed for 5709. */
	if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503
		offset = ((offset / bp->flash_info->page_size) <<
			  bp->flash_info->page_bits) +
			 (offset % bp->flash_info->page_size);
	}

	/* Need to clear DONE bit separately. */
	REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);

	memcpy(&val32, val, 4);
	val32 = cpu_to_be32(val32);

	/* Write the data. */
	REG_WR(bp, BNX2_NVM_WRITE, val32);

	/* Address of the NVRAM to write to. */
	REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);

	/* Issue the write command. */
	REG_WR(bp, BNX2_NVM_COMMAND, cmd);

	/* Wait for completion. */
	for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
		udelay(5);

		if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
			break;
	}
	if (j >= NVRAM_TIMEOUT_COUNT)
		return -EBUSY;

	return 0;
}

static int
bnx2_init_nvram(struct bnx2 *bp)
{
	u32 val;
M
Michael Chan 已提交
3504
	int j, entry_count, rc = 0;
3505 3506
	struct flash_spec *flash;

M
Michael Chan 已提交
3507 3508 3509 3510 3511
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		bp->flash_info = &flash_5709;
		goto get_flash_size;
	}

3512 3513 3514
	/* Determine the selected interface. */
	val = REG_RD(bp, BNX2_NVM_CFG1);

3515
	entry_count = ARRAY_SIZE(flash_table);
3516 3517 3518 3519 3520

	if (val & 0x40000000) {

		/* Flash interface has been reconfigured */
		for (j = 0, flash = &flash_table[0]; j < entry_count;
3521 3522 3523
		     j++, flash++) {
			if ((val & FLASH_BACKUP_STRAP_MASK) ==
			    (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
3524 3525 3526 3527 3528 3529
				bp->flash_info = flash;
				break;
			}
		}
	}
	else {
3530
		u32 mask;
3531 3532
		/* Not yet been reconfigured */

3533 3534 3535 3536 3537
		if (val & (1 << 23))
			mask = FLASH_BACKUP_STRAP_MASK;
		else
			mask = FLASH_STRAP_MASK;

3538 3539 3540
		for (j = 0, flash = &flash_table[0]; j < entry_count;
			j++, flash++) {

3541
			if ((val & mask) == (flash->strapping & mask)) {
3542 3543 3544 3545 3546 3547 3548 3549 3550 3551 3552 3553 3554 3555 3556 3557 3558 3559 3560 3561 3562 3563 3564 3565 3566 3567
				bp->flash_info = flash;

				/* Request access to the flash interface. */
				if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
					return rc;

				/* Enable access to flash interface */
				bnx2_enable_nvram_access(bp);

				/* Reconfigure the flash interface */
				REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
				REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
				REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
				REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);

				/* Disable access to flash interface */
				bnx2_disable_nvram_access(bp);
				bnx2_release_nvram_lock(bp);

				break;
			}
		}
	} /* if (val & 0x40000000) */

	if (j == entry_count) {
		bp->flash_info = NULL;
3568
		printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
M
Michael Chan 已提交
3569
		return -ENODEV;
3570 3571
	}

M
Michael Chan 已提交
3572
get_flash_size:
M
Michael Chan 已提交
3573 3574 3575 3576 3577 3578 3579
	val = REG_RD_IND(bp, bp->shmem_base + BNX2_SHARED_HW_CFG_CONFIG2);
	val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
	if (val)
		bp->flash_size = val;
	else
		bp->flash_size = bp->flash_info->total_size;

3580 3581 3582 3583 3584 3585 3586 3587 3588 3589 3590 3591 3592 3593 3594 3595 3596 3597 3598 3599 3600 3601 3602 3603 3604 3605 3606 3607 3608 3609 3610 3611 3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635 3636 3637 3638 3639 3640 3641 3642 3643 3644 3645 3646 3647 3648 3649 3650 3651 3652 3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 3670 3671 3672 3673 3674 3675 3676 3677 3678 3679 3680 3681 3682 3683 3684 3685 3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697
	return rc;
}

static int
bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
		int buf_size)
{
	int rc = 0;
	u32 cmd_flags, offset32, len32, extra;

	if (buf_size == 0)
		return 0;

	/* Request access to the flash interface. */
	if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
		return rc;

	/* Enable access to flash interface */
	bnx2_enable_nvram_access(bp);

	len32 = buf_size;
	offset32 = offset;
	extra = 0;

	cmd_flags = 0;

	if (offset32 & 3) {
		u8 buf[4];
		u32 pre_len;

		offset32 &= ~3;
		pre_len = 4 - (offset & 3);

		if (pre_len >= len32) {
			pre_len = len32;
			cmd_flags = BNX2_NVM_COMMAND_FIRST |
				    BNX2_NVM_COMMAND_LAST;
		}
		else {
			cmd_flags = BNX2_NVM_COMMAND_FIRST;
		}

		rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);

		if (rc)
			return rc;

		memcpy(ret_buf, buf + (offset & 3), pre_len);

		offset32 += 4;
		ret_buf += pre_len;
		len32 -= pre_len;
	}
	if (len32 & 3) {
		extra = 4 - (len32 & 3);
		len32 = (len32 + 4) & ~3;
	}

	if (len32 == 4) {
		u8 buf[4];

		if (cmd_flags)
			cmd_flags = BNX2_NVM_COMMAND_LAST;
		else
			cmd_flags = BNX2_NVM_COMMAND_FIRST |
				    BNX2_NVM_COMMAND_LAST;

		rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);

		memcpy(ret_buf, buf, 4 - extra);
	}
	else if (len32 > 0) {
		u8 buf[4];

		/* Read the first word. */
		if (cmd_flags)
			cmd_flags = 0;
		else
			cmd_flags = BNX2_NVM_COMMAND_FIRST;

		rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);

		/* Advance to the next dword. */
		offset32 += 4;
		ret_buf += 4;
		len32 -= 4;

		while (len32 > 4 && rc == 0) {
			rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);

			/* Advance to the next dword. */
			offset32 += 4;
			ret_buf += 4;
			len32 -= 4;
		}

		if (rc)
			return rc;

		cmd_flags = BNX2_NVM_COMMAND_LAST;
		rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);

		memcpy(ret_buf, buf, 4 - extra);
	}

	/* Disable access to flash interface */
	bnx2_disable_nvram_access(bp);

	bnx2_release_nvram_lock(bp);

	return rc;
}

static int
bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
		int buf_size)
{
	u32 written, offset32, len32;
3698
	u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
3699 3700 3701 3702 3703 3704 3705 3706 3707 3708
	int rc = 0;
	int align_start, align_end;

	buf = data_buf;
	offset32 = offset;
	len32 = buf_size;
	align_start = align_end = 0;

	if ((align_start = (offset32 & 3))) {
		offset32 &= ~3;
M
Michael Chan 已提交
3709 3710 3711
		len32 += align_start;
		if (len32 < 4)
			len32 = 4;
3712 3713 3714 3715 3716
		if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
			return rc;
	}

	if (len32 & 3) {
M
Michael Chan 已提交
3717 3718 3719 3720
		align_end = 4 - (len32 & 3);
		len32 += align_end;
		if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
			return rc;
3721 3722 3723
	}

	if (align_start || align_end) {
3724 3725
		align_buf = kmalloc(len32, GFP_KERNEL);
		if (align_buf == NULL)
3726 3727
			return -ENOMEM;
		if (align_start) {
3728
			memcpy(align_buf, start, 4);
3729 3730
		}
		if (align_end) {
3731
			memcpy(align_buf + len32 - 4, end, 4);
3732
		}
3733 3734
		memcpy(align_buf + align_start, data_buf, buf_size);
		buf = align_buf;
3735 3736
	}

M
Michael Chan 已提交
3737
	if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
3738 3739 3740 3741 3742 3743 3744
		flash_buffer = kmalloc(264, GFP_KERNEL);
		if (flash_buffer == NULL) {
			rc = -ENOMEM;
			goto nvram_write_end;
		}
	}

3745 3746 3747 3748 3749 3750 3751 3752 3753 3754 3755 3756 3757 3758
	written = 0;
	while ((written < len32) && (rc == 0)) {
		u32 page_start, page_end, data_start, data_end;
		u32 addr, cmd_flags;
		int i;

	        /* Find the page_start addr */
		page_start = offset32 + written;
		page_start -= (page_start % bp->flash_info->page_size);
		/* Find the page_end addr */
		page_end = page_start + bp->flash_info->page_size;
		/* Find the data_start addr */
		data_start = (written == 0) ? offset32 : page_start;
		/* Find the data_end addr */
3759
		data_end = (page_end > offset32 + len32) ?
3760 3761 3762 3763 3764 3765 3766 3767 3768 3769
			(offset32 + len32) : page_end;

		/* Request access to the flash interface. */
		if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
			goto nvram_write_end;

		/* Enable access to flash interface */
		bnx2_enable_nvram_access(bp);

		cmd_flags = BNX2_NVM_COMMAND_FIRST;
M
Michael Chan 已提交
3770
		if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
3771 3772 3773 3774 3775 3776 3777 3778 3779
			int j;

			/* Read the whole page into the buffer
			 * (non-buffer flash only) */
			for (j = 0; j < bp->flash_info->page_size; j += 4) {
				if (j == (bp->flash_info->page_size - 4)) {
					cmd_flags |= BNX2_NVM_COMMAND_LAST;
				}
				rc = bnx2_nvram_read_dword(bp,
3780 3781
					page_start + j,
					&flash_buffer[j],
3782 3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796 3797
					cmd_flags);

				if (rc)
					goto nvram_write_end;

				cmd_flags = 0;
			}
		}

		/* Enable writes to flash interface (unlock write-protect) */
		if ((rc = bnx2_enable_nvram_write(bp)) != 0)
			goto nvram_write_end;

		/* Loop to write back the buffer data from page_start to
		 * data_start */
		i = 0;
M
Michael Chan 已提交
3798
		if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
M
Michael Chan 已提交
3799 3800 3801 3802 3803 3804 3805
			/* Erase the page */
			if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
				goto nvram_write_end;

			/* Re-enable the write again for the actual write */
			bnx2_enable_nvram_write(bp);

3806 3807
			for (addr = page_start; addr < data_start;
				addr += 4, i += 4) {
3808

3809 3810 3811 3812 3813 3814 3815 3816 3817 3818 3819
				rc = bnx2_nvram_write_dword(bp, addr,
					&flash_buffer[i], cmd_flags);

				if (rc != 0)
					goto nvram_write_end;

				cmd_flags = 0;
			}
		}

		/* Loop to write the new data from data_start to data_end */
3820
		for (addr = data_start; addr < data_end; addr += 4, i += 4) {
3821
			if ((addr == page_end - 4) ||
M
Michael Chan 已提交
3822
				((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
3823 3824 3825 3826 3827 3828 3829 3830 3831 3832 3833 3834 3835 3836 3837 3838
				 (addr == data_end - 4))) {

				cmd_flags |= BNX2_NVM_COMMAND_LAST;
			}
			rc = bnx2_nvram_write_dword(bp, addr, buf,
				cmd_flags);

			if (rc != 0)
				goto nvram_write_end;

			cmd_flags = 0;
			buf += 4;
		}

		/* Loop to write back the buffer data from data_end
		 * to page_end */
M
Michael Chan 已提交
3839
		if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
3840 3841
			for (addr = data_end; addr < page_end;
				addr += 4, i += 4) {
3842

3843 3844 3845 3846 3847 3848 3849 3850 3851 3852 3853 3854 3855 3856 3857 3858 3859 3860 3861 3862 3863 3864 3865 3866 3867
				if (addr == page_end-4) {
					cmd_flags = BNX2_NVM_COMMAND_LAST;
                		}
				rc = bnx2_nvram_write_dword(bp, addr,
					&flash_buffer[i], cmd_flags);

				if (rc != 0)
					goto nvram_write_end;

				cmd_flags = 0;
			}
		}

		/* Disable writes to flash interface (lock write-protect) */
		bnx2_disable_nvram_write(bp);

		/* Disable access to flash interface */
		bnx2_disable_nvram_access(bp);
		bnx2_release_nvram_lock(bp);

		/* Increment written */
		written += data_end - data_start;
	}

nvram_write_end:
3868 3869
	kfree(flash_buffer);
	kfree(align_buf);
3870 3871 3872
	return rc;
}

3873 3874 3875 3876 3877 3878 3879 3880 3881 3882 3883 3884 3885 3886 3887 3888 3889 3890 3891 3892 3893
static void
bnx2_init_remote_phy(struct bnx2 *bp)
{
	u32 val;

	bp->phy_flags &= ~REMOTE_PHY_CAP_FLAG;
	if (!(bp->phy_flags & PHY_SERDES_FLAG))
		return;

	val = REG_RD_IND(bp, bp->shmem_base + BNX2_FW_CAP_MB);
	if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
		return;

	if (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE) {
		bp->phy_flags |= REMOTE_PHY_CAP_FLAG;

		val = REG_RD_IND(bp, bp->shmem_base + BNX2_LINK_STATUS);
		if (val & BNX2_LINK_STATUS_SERDES_LINK)
			bp->phy_port = PORT_FIBRE;
		else
			bp->phy_port = PORT_TP;
3894 3895 3896 3897 3898 3899 3900 3901 3902 3903 3904 3905 3906 3907 3908 3909

		if (netif_running(bp->dev)) {
			u32 sig;

			if (val & BNX2_LINK_STATUS_LINK_UP) {
				bp->link_up = 1;
				netif_carrier_on(bp->dev);
			} else {
				bp->link_up = 0;
				netif_carrier_off(bp->dev);
			}
			sig = BNX2_DRV_ACK_CAP_SIGNATURE |
			      BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
			REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_ACK_CAP_MB,
				   sig);
		}
3910 3911 3912
	}
}

3913 3914 3915 3916 3917
static int
bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
{
	u32 val;
	int i, rc = 0;
3918
	u8 old_port;
3919 3920 3921 3922 3923 3924 3925 3926 3927 3928 3929

	/* Wait for the current PCI transaction to complete before
	 * issuing a reset. */
	REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
	       BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
	       BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
	       BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
	       BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
	val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
	udelay(5);

3930 3931 3932
	/* Wait for the firmware to tell us it is ok to issue a reset. */
	bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1);

3933 3934
	/* Deposit a driver reset signature so the firmware knows that
	 * this is a soft reset. */
3935
	REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_RESET_SIGNATURE,
3936 3937 3938 3939 3940 3941
		   BNX2_DRV_RESET_SIGNATURE_MAGIC);

	/* Do a dummy read to force the chip to complete all current transaction
	 * before we issue a reset. */
	val = REG_RD(bp, BNX2_MISC_ID);

3942 3943 3944 3945
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
		REG_RD(bp, BNX2_MISC_COMMAND);
		udelay(5);
3946

3947 3948
		val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
		      BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
3949

3950
		pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
3951

3952 3953 3954 3955 3956 3957 3958 3959
	} else {
		val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
		      BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
		      BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;

		/* Chip reset. */
		REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);

3960 3961 3962 3963
		/* Reading back any register after chip reset will hang the
		 * bus on 5706 A0 and A1.  The msleep below provides plenty
		 * of margin for write posting.
		 */
3964
		if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
A
Arjan van de Ven 已提交
3965 3966
		    (CHIP_ID(bp) == CHIP_ID_5706_A1))
			msleep(20);
3967

3968 3969 3970 3971 3972 3973 3974 3975 3976 3977 3978 3979 3980 3981
		/* Reset takes approximate 30 usec */
		for (i = 0; i < 10; i++) {
			val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
			if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
				    BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
				break;
			udelay(10);
		}

		if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
			   BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
			printk(KERN_ERR PFX "Chip reset did not complete\n");
			return -EBUSY;
		}
3982 3983 3984 3985 3986 3987 3988 3989 3990 3991
	}

	/* Make sure byte swapping is properly configured. */
	val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
	if (val != 0x01020304) {
		printk(KERN_ERR PFX "Chip not in correct endian mode\n");
		return -ENODEV;
	}

	/* Wait for the firmware to finish its initialization. */
3992 3993 3994
	rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 0);
	if (rc)
		return rc;
3995

3996
	spin_lock_bh(&bp->phy_lock);
3997
	old_port = bp->phy_port;
3998
	bnx2_init_remote_phy(bp);
3999
	if ((bp->phy_flags & REMOTE_PHY_CAP_FLAG) && old_port != bp->phy_port)
4000 4001 4002
		bnx2_set_default_remote_link(bp);
	spin_unlock_bh(&bp->phy_lock);

4003 4004 4005 4006 4007 4008 4009 4010 4011 4012 4013 4014 4015 4016 4017 4018
	if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
		/* Adjust the voltage regular to two steps lower.  The default
		 * of this register is 0x0000000e. */
		REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);

		/* Remove bad rbuf memory from the free pool. */
		rc = bnx2_alloc_bad_rbuf(bp);
	}

	return rc;
}

static int
bnx2_init_chip(struct bnx2 *bp)
{
	u32 val;
4019
	int rc;
4020 4021 4022 4023 4024 4025 4026

	/* Make sure the interrupt is not active. */
	REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);

	val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
	      BNX2_DMA_CONFIG_DATA_WORD_SWAP |
#ifdef __BIG_ENDIAN
4027
	      BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
4028
#endif
4029
	      BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
4030 4031 4032 4033 4034
	      DMA_READ_CHANS << 12 |
	      DMA_WRITE_CHANS << 16;

	val |= (0x2 << 20) | (1 << 11);

M
Michael Chan 已提交
4035
	if ((bp->flags & PCIX_FLAG) && (bp->bus_speed_mhz == 133))
4036 4037 4038 4039 4040 4041 4042 4043 4044 4045 4046 4047 4048 4049 4050 4051 4052 4053 4054 4055 4056 4057 4058 4059 4060 4061 4062 4063 4064 4065
		val |= (1 << 23);

	if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
	    (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & PCIX_FLAG))
		val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;

	REG_WR(bp, BNX2_DMA_CONFIG, val);

	if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
		val = REG_RD(bp, BNX2_TDMA_CONFIG);
		val |= BNX2_TDMA_CONFIG_ONE_DMA;
		REG_WR(bp, BNX2_TDMA_CONFIG, val);
	}

	if (bp->flags & PCIX_FLAG) {
		u16 val16;

		pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
				     &val16);
		pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
				      val16 & ~PCI_X_CMD_ERO);
	}

	REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
	       BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
	       BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
	       BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);

	/* Initialize context mapping and zero out the quick contexts.  The
	 * context block must have already been enabled. */
4066 4067 4068 4069 4070
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		rc = bnx2_init_5709_context(bp);
		if (rc)
			return rc;
	} else
M
Michael Chan 已提交
4071
		bnx2_init_context(bp);
4072

4073 4074 4075
	if ((rc = bnx2_init_cpus(bp)) != 0)
		return rc;

4076 4077 4078 4079 4080 4081 4082
	bnx2_init_nvram(bp);

	bnx2_set_mac_addr(bp);

	val = REG_RD(bp, BNX2_MQ_CONFIG);
	val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
	val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
4083 4084 4085
	if (CHIP_ID(bp) == CHIP_ID_5709_A0 || CHIP_ID(bp) == CHIP_ID_5709_A1)
		val |= BNX2_MQ_CONFIG_HALT_DIS;

4086 4087 4088 4089 4090 4091 4092 4093 4094 4095 4096 4097 4098 4099 4100 4101 4102 4103 4104 4105 4106 4107 4108 4109 4110 4111 4112 4113 4114 4115 4116 4117 4118 4119 4120 4121 4122 4123 4124 4125 4126 4127 4128 4129
	REG_WR(bp, BNX2_MQ_CONFIG, val);

	val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
	REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
	REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);

	val = (BCM_PAGE_BITS - 8) << 24;
	REG_WR(bp, BNX2_RV2P_CONFIG, val);

	/* Configure page size. */
	val = REG_RD(bp, BNX2_TBDR_CONFIG);
	val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
	val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
	REG_WR(bp, BNX2_TBDR_CONFIG, val);

	val = bp->mac_addr[0] +
	      (bp->mac_addr[1] << 8) +
	      (bp->mac_addr[2] << 16) +
	      bp->mac_addr[3] +
	      (bp->mac_addr[4] << 8) +
	      (bp->mac_addr[5] << 16);
	REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);

	/* Program the MTU.  Also include 4 bytes for CRC32. */
	val = bp->dev->mtu + ETH_HLEN + 4;
	if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
		val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
	REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);

	bp->last_status_idx = 0;
	bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;

	/* Set up how to generate a link change interrupt. */
	REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);

	REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
	       (u64) bp->status_blk_mapping & 0xffffffff);
	REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);

	REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
	       (u64) bp->stats_blk_mapping & 0xffffffff);
	REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
	       (u64) bp->stats_blk_mapping >> 32);

4130
	REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
4131 4132 4133 4134 4135 4136 4137 4138 4139 4140 4141 4142 4143 4144 4145 4146 4147 4148
	       (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);

	REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
	       (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);

	REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
	       (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);

	REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);

	REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);

	REG_WR(bp, BNX2_HC_COM_TICKS,
	       (bp->com_ticks_int << 16) | bp->com_ticks);

	REG_WR(bp, BNX2_HC_CMD_TICKS,
	       (bp->cmd_ticks_int << 16) | bp->cmd_ticks);

4149 4150 4151
	if (CHIP_NUM(bp) == CHIP_NUM_5708)
		REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
	else
4152
		REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
4153 4154 4155
	REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8);  /* 3ms */

	if (CHIP_ID(bp) == CHIP_ID_5706_A1)
4156
		val = BNX2_HC_CONFIG_COLLECT_STATS;
4157
	else {
4158 4159
		val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
		      BNX2_HC_CONFIG_COLLECT_STATS;
4160 4161
	}

4162 4163 4164 4165 4166
	if (bp->flags & ONE_SHOT_MSI_FLAG)
		val |= BNX2_HC_CONFIG_ONE_SHOT;

	REG_WR(bp, BNX2_HC_CONFIG, val);

4167 4168 4169
	/* Clear internal stats counters. */
	REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);

4170
	REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
4171 4172 4173 4174

	/* Initialize the receive filter. */
	bnx2_set_rx_mode(bp->dev);

M
Michael Chan 已提交
4175 4176 4177 4178 4179
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
		val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
		REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
	}
4180 4181
	rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
			  0);
4182

M
Michael Chan 已提交
4183
	REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
4184 4185 4186 4187
	REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);

	udelay(20);

M
Michael Chan 已提交
4188 4189
	bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);

4190
	return rc;
4191 4192
}

M
Michael Chan 已提交
4193 4194 4195 4196 4197 4198 4199 4200 4201 4202 4203 4204 4205 4206 4207 4208 4209 4210 4211 4212 4213 4214 4215 4216 4217 4218 4219 4220
static void
bnx2_init_tx_context(struct bnx2 *bp, u32 cid)
{
	u32 val, offset0, offset1, offset2, offset3;

	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		offset0 = BNX2_L2CTX_TYPE_XI;
		offset1 = BNX2_L2CTX_CMD_TYPE_XI;
		offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
		offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
	} else {
		offset0 = BNX2_L2CTX_TYPE;
		offset1 = BNX2_L2CTX_CMD_TYPE;
		offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
		offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
	}
	val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
	CTX_WR(bp, GET_CID_ADDR(cid), offset0, val);

	val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
	CTX_WR(bp, GET_CID_ADDR(cid), offset1, val);

	val = (u64) bp->tx_desc_mapping >> 32;
	CTX_WR(bp, GET_CID_ADDR(cid), offset2, val);

	val = (u64) bp->tx_desc_mapping & 0xffffffff;
	CTX_WR(bp, GET_CID_ADDR(cid), offset3, val);
}
4221 4222 4223 4224 4225

static void
bnx2_init_tx_ring(struct bnx2 *bp)
{
	struct tx_bd *txbd;
M
Michael Chan 已提交
4226
	u32 cid;
4227

M
Michael Chan 已提交
4228 4229
	bp->tx_wake_thresh = bp->tx_ring_size / 2;

4230
	txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
4231

4232 4233 4234 4235 4236
	txbd->tx_bd_haddr_hi = (u64) bp->tx_desc_mapping >> 32;
	txbd->tx_bd_haddr_lo = (u64) bp->tx_desc_mapping & 0xffffffff;

	bp->tx_prod = 0;
	bp->tx_cons = 0;
M
Michael Chan 已提交
4237
	bp->hw_tx_cons = 0;
4238
	bp->tx_prod_bseq = 0;
4239

M
Michael Chan 已提交
4240 4241 4242
	cid = TX_CID;
	bp->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
	bp->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
4243

M
Michael Chan 已提交
4244
	bnx2_init_tx_context(bp, cid);
4245 4246 4247
}

static void
4248 4249
bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
		     int num_rings)
4250 4251
{
	int i;
4252
	struct rx_bd *rxbd;
4253

4254
	for (i = 0; i < num_rings; i++) {
4255
		int j;
4256

4257
		rxbd = &rx_ring[i][0];
4258
		for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
4259
			rxbd->rx_bd_len = buf_size;
4260 4261
			rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
		}
4262
		if (i == (num_rings - 1))
4263 4264 4265
			j = 0;
		else
			j = i + 1;
4266 4267
		rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
		rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
4268
	}
4269 4270 4271 4272 4273 4274 4275 4276 4277 4278 4279 4280
}

static void
bnx2_init_rx_ring(struct bnx2 *bp)
{
	int i;
	u16 prod, ring_prod;
	u32 val, rx_cid_addr = GET_CID_ADDR(RX_CID);

	bp->rx_prod = 0;
	bp->rx_cons = 0;
	bp->rx_prod_bseq = 0;
4281 4282
	bp->rx_pg_prod = 0;
	bp->rx_pg_cons = 0;
4283 4284 4285 4286 4287

	bnx2_init_rxbd_rings(bp->rx_desc_ring, bp->rx_desc_mapping,
			     bp->rx_buf_use_size, bp->rx_max_ring);

	CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
4288 4289 4290 4291 4292 4293 4294 4295 4296 4297 4298 4299 4300 4301 4302 4303 4304 4305
	if (bp->rx_pg_ring_size) {
		bnx2_init_rxbd_rings(bp->rx_pg_desc_ring,
				     bp->rx_pg_desc_mapping,
				     PAGE_SIZE, bp->rx_max_pg_ring);
		val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
		CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
		CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
		       BNX2_L2CTX_RBDC_JUMBO_KEY);

		val = (u64) bp->rx_pg_desc_mapping[0] >> 32;
		CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);

		val = (u64) bp->rx_pg_desc_mapping[0] & 0xffffffff;
		CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);

		if (CHIP_NUM(bp) == CHIP_NUM_5709)
			REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
	}
4306 4307 4308 4309

	val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
	val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
	val |= 0x02 << 8;
4310
	CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
4311

4312
	val = (u64) bp->rx_desc_mapping[0] >> 32;
4313
	CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
4314

4315
	val = (u64) bp->rx_desc_mapping[0] & 0xffffffff;
4316
	CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
4317

4318 4319 4320 4321 4322 4323 4324 4325 4326
	ring_prod = prod = bp->rx_pg_prod;
	for (i = 0; i < bp->rx_pg_ring_size; i++) {
		if (bnx2_alloc_rx_page(bp, ring_prod) < 0)
			break;
		prod = NEXT_RX_BD(prod);
		ring_prod = RX_PG_RING_IDX(prod);
	}
	bp->rx_pg_prod = prod;

4327
	ring_prod = prod = bp->rx_prod;
4328
	for (i = 0; i < bp->rx_ring_size; i++) {
4329 4330 4331 4332 4333 4334 4335 4336
		if (bnx2_alloc_rx_skb(bp, ring_prod) < 0) {
			break;
		}
		prod = NEXT_RX_BD(prod);
		ring_prod = RX_RING_IDX(prod);
	}
	bp->rx_prod = prod;

4337
	REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX, bp->rx_pg_prod);
4338 4339 4340 4341 4342
	REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, prod);

	REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->rx_prod_bseq);
}

4343
static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
4344
{
4345
	u32 max, num_rings = 1;
4346

4347 4348
	while (ring_size > MAX_RX_DESC_CNT) {
		ring_size -= MAX_RX_DESC_CNT;
4349 4350 4351
		num_rings++;
	}
	/* round to next power of 2 */
4352
	max = max_size;
4353 4354 4355 4356 4357 4358
	while ((max & num_rings) == 0)
		max >>= 1;

	if (num_rings != max)
		max <<= 1;

4359 4360 4361 4362 4363 4364 4365 4366 4367 4368 4369 4370
	return max;
}

static void
bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
{
	u32 rx_size;

	/* 8 for CRC and VLAN */
	rx_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8;

	bp->rx_copy_thresh = RX_COPY_THRESH;
4371 4372 4373
	bp->rx_pg_ring_size = 0;
	bp->rx_max_pg_ring = 0;
	bp->rx_max_pg_ring_idx = 0;
4374 4375 4376 4377 4378 4379

	bp->rx_buf_use_size = rx_size;
	/* hw alignment */
	bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
	bp->rx_ring_size = size;
	bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
4380 4381 4382
	bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
}

4383 4384 4385 4386 4387 4388 4389 4390 4391 4392 4393 4394 4395 4396 4397 4398 4399 4400 4401 4402 4403 4404 4405 4406 4407 4408 4409 4410 4411 4412 4413
static void
bnx2_free_tx_skbs(struct bnx2 *bp)
{
	int i;

	if (bp->tx_buf_ring == NULL)
		return;

	for (i = 0; i < TX_DESC_CNT; ) {
		struct sw_bd *tx_buf = &bp->tx_buf_ring[i];
		struct sk_buff *skb = tx_buf->skb;
		int j, last;

		if (skb == NULL) {
			i++;
			continue;
		}

		pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
			skb_headlen(skb), PCI_DMA_TODEVICE);

		tx_buf->skb = NULL;

		last = skb_shinfo(skb)->nr_frags;
		for (j = 0; j < last; j++) {
			tx_buf = &bp->tx_buf_ring[i + j + 1];
			pci_unmap_page(bp->pdev,
				pci_unmap_addr(tx_buf, mapping),
				skb_shinfo(skb)->frags[j].size,
				PCI_DMA_TODEVICE);
		}
4414
		dev_kfree_skb(skb);
4415 4416 4417 4418 4419 4420 4421 4422 4423 4424 4425 4426 4427
		i += j + 1;
	}

}

static void
bnx2_free_rx_skbs(struct bnx2 *bp)
{
	int i;

	if (bp->rx_buf_ring == NULL)
		return;

4428
	for (i = 0; i < bp->rx_max_ring_idx; i++) {
4429 4430 4431
		struct sw_bd *rx_buf = &bp->rx_buf_ring[i];
		struct sk_buff *skb = rx_buf->skb;

4432
		if (skb == NULL)
4433 4434 4435 4436 4437 4438 4439
			continue;

		pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
			bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);

		rx_buf->skb = NULL;

4440
		dev_kfree_skb(skb);
4441
	}
4442 4443
	for (i = 0; i < bp->rx_max_pg_ring_idx; i++)
		bnx2_free_rx_page(bp, i);
4444 4445 4446 4447 4448 4449 4450 4451 4452 4453 4454 4455 4456 4457 4458 4459 4460 4461 4462
}

static void
bnx2_free_skbs(struct bnx2 *bp)
{
	bnx2_free_tx_skbs(bp);
	bnx2_free_rx_skbs(bp);
}

static int
bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
{
	int rc;

	rc = bnx2_reset_chip(bp, reset_code);
	bnx2_free_skbs(bp);
	if (rc)
		return rc;

4463 4464 4465
	if ((rc = bnx2_init_chip(bp)) != 0)
		return rc;

4466 4467 4468 4469 4470 4471 4472 4473 4474 4475 4476 4477 4478
	bnx2_init_tx_ring(bp);
	bnx2_init_rx_ring(bp);
	return 0;
}

static int
bnx2_init_nic(struct bnx2 *bp)
{
	int rc;

	if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
		return rc;

M
Michael Chan 已提交
4479
	spin_lock_bh(&bp->phy_lock);
4480 4481
	bnx2_init_phy(bp);
	bnx2_set_link(bp);
4482
	spin_unlock_bh(&bp->phy_lock);
4483 4484 4485 4486 4487 4488 4489
	return 0;
}

static int
bnx2_test_registers(struct bnx2 *bp)
{
	int ret;
4490
	int i, is_5709;
4491
	static const struct {
4492 4493
		u16   offset;
		u16   flags;
4494
#define BNX2_FL_NOT_5709	1
4495 4496 4497 4498 4499 4500 4501
		u32   rw_mask;
		u32   ro_mask;
	} reg_tbl[] = {
		{ 0x006c, 0, 0x00000000, 0x0000003f },
		{ 0x0090, 0, 0xffffffff, 0x00000000 },
		{ 0x0094, 0, 0x00000000, 0x00000000 },

4502 4503 4504 4505 4506 4507 4508 4509 4510 4511 4512 4513 4514 4515 4516 4517 4518 4519 4520 4521
		{ 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
		{ 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
		{ 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
		{ 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
		{ 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
		{ 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
		{ 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
		{ 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
		{ 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },

		{ 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
		{ 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
		{ 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
		{ 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
		{ 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
		{ 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },

		{ 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
		{ 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
		{ 0x0c08, BNX2_FL_NOT_5709,  0x0f0ff073, 0x00000000 },
4522 4523 4524 4525 4526 4527 4528

		{ 0x1000, 0, 0x00000000, 0x00000001 },
		{ 0x1004, 0, 0x00000000, 0x000f0001 },

		{ 0x1408, 0, 0x01c00800, 0x00000000 },
		{ 0x149c, 0, 0x8000ffff, 0x00000000 },
		{ 0x14a8, 0, 0x00000000, 0x000001ff },
M
Michael Chan 已提交
4529
		{ 0x14ac, 0, 0x0fffffff, 0x10000000 },
4530 4531 4532 4533 4534 4535 4536 4537 4538 4539 4540 4541 4542 4543 4544 4545 4546 4547 4548 4549 4550 4551 4552 4553 4554 4555 4556 4557 4558 4559 4560 4561 4562 4563 4564 4565 4566 4567 4568 4569 4570 4571 4572 4573 4574 4575 4576 4577 4578 4579 4580 4581 4582 4583 4584 4585 4586 4587 4588 4589 4590 4591 4592 4593 4594 4595 4596 4597 4598 4599 4600 4601 4602 4603 4604 4605 4606
		{ 0x14b0, 0, 0x00000002, 0x00000001 },
		{ 0x14b8, 0, 0x00000000, 0x00000000 },
		{ 0x14c0, 0, 0x00000000, 0x00000009 },
		{ 0x14c4, 0, 0x00003fff, 0x00000000 },
		{ 0x14cc, 0, 0x00000000, 0x00000001 },
		{ 0x14d0, 0, 0xffffffff, 0x00000000 },

		{ 0x1800, 0, 0x00000000, 0x00000001 },
		{ 0x1804, 0, 0x00000000, 0x00000003 },

		{ 0x2800, 0, 0x00000000, 0x00000001 },
		{ 0x2804, 0, 0x00000000, 0x00003f01 },
		{ 0x2808, 0, 0x0f3f3f03, 0x00000000 },
		{ 0x2810, 0, 0xffff0000, 0x00000000 },
		{ 0x2814, 0, 0xffff0000, 0x00000000 },
		{ 0x2818, 0, 0xffff0000, 0x00000000 },
		{ 0x281c, 0, 0xffff0000, 0x00000000 },
		{ 0x2834, 0, 0xffffffff, 0x00000000 },
		{ 0x2840, 0, 0x00000000, 0xffffffff },
		{ 0x2844, 0, 0x00000000, 0xffffffff },
		{ 0x2848, 0, 0xffffffff, 0x00000000 },
		{ 0x284c, 0, 0xf800f800, 0x07ff07ff },

		{ 0x2c00, 0, 0x00000000, 0x00000011 },
		{ 0x2c04, 0, 0x00000000, 0x00030007 },

		{ 0x3c00, 0, 0x00000000, 0x00000001 },
		{ 0x3c04, 0, 0x00000000, 0x00070000 },
		{ 0x3c08, 0, 0x00007f71, 0x07f00000 },
		{ 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
		{ 0x3c10, 0, 0xffffffff, 0x00000000 },
		{ 0x3c14, 0, 0x00000000, 0xffffffff },
		{ 0x3c18, 0, 0x00000000, 0xffffffff },
		{ 0x3c1c, 0, 0xfffff000, 0x00000000 },
		{ 0x3c20, 0, 0xffffff00, 0x00000000 },

		{ 0x5004, 0, 0x00000000, 0x0000007f },
		{ 0x5008, 0, 0x0f0007ff, 0x00000000 },

		{ 0x5c00, 0, 0x00000000, 0x00000001 },
		{ 0x5c04, 0, 0x00000000, 0x0003000f },
		{ 0x5c08, 0, 0x00000003, 0x00000000 },
		{ 0x5c0c, 0, 0x0000fff8, 0x00000000 },
		{ 0x5c10, 0, 0x00000000, 0xffffffff },
		{ 0x5c80, 0, 0x00000000, 0x0f7113f1 },
		{ 0x5c84, 0, 0x00000000, 0x0000f333 },
		{ 0x5c88, 0, 0x00000000, 0x00077373 },
		{ 0x5c8c, 0, 0x00000000, 0x0007f737 },

		{ 0x6808, 0, 0x0000ff7f, 0x00000000 },
		{ 0x680c, 0, 0xffffffff, 0x00000000 },
		{ 0x6810, 0, 0xffffffff, 0x00000000 },
		{ 0x6814, 0, 0xffffffff, 0x00000000 },
		{ 0x6818, 0, 0xffffffff, 0x00000000 },
		{ 0x681c, 0, 0xffffffff, 0x00000000 },
		{ 0x6820, 0, 0x00ff00ff, 0x00000000 },
		{ 0x6824, 0, 0x00ff00ff, 0x00000000 },
		{ 0x6828, 0, 0x00ff00ff, 0x00000000 },
		{ 0x682c, 0, 0x03ff03ff, 0x00000000 },
		{ 0x6830, 0, 0x03ff03ff, 0x00000000 },
		{ 0x6834, 0, 0x03ff03ff, 0x00000000 },
		{ 0x6838, 0, 0x03ff03ff, 0x00000000 },
		{ 0x683c, 0, 0x0000ffff, 0x00000000 },
		{ 0x6840, 0, 0x00000ff0, 0x00000000 },
		{ 0x6844, 0, 0x00ffff00, 0x00000000 },
		{ 0x684c, 0, 0xffffffff, 0x00000000 },
		{ 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
		{ 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
		{ 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
		{ 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
		{ 0x6908, 0, 0x00000000, 0x0001ff0f },
		{ 0x690c, 0, 0x00000000, 0x0ffe00f0 },

		{ 0xffff, 0, 0x00000000, 0x00000000 },
	};

	ret = 0;
4607 4608 4609 4610
	is_5709 = 0;
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		is_5709 = 1;

4611 4612
	for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
		u32 offset, rw_mask, ro_mask, save_val, val;
4613 4614 4615 4616
		u16 flags = reg_tbl[i].flags;

		if (is_5709 && (flags & BNX2_FL_NOT_5709))
			continue;
4617 4618 4619 4620 4621

		offset = (u32) reg_tbl[i].offset;
		rw_mask = reg_tbl[i].rw_mask;
		ro_mask = reg_tbl[i].ro_mask;

4622
		save_val = readl(bp->regview + offset);
4623

4624
		writel(0, bp->regview + offset);
4625

4626
		val = readl(bp->regview + offset);
4627 4628 4629 4630 4631 4632 4633 4634
		if ((val & rw_mask) != 0) {
			goto reg_test_err;
		}

		if ((val & ro_mask) != (save_val & ro_mask)) {
			goto reg_test_err;
		}

4635
		writel(0xffffffff, bp->regview + offset);
4636

4637
		val = readl(bp->regview + offset);
4638 4639 4640 4641 4642 4643 4644 4645
		if ((val & rw_mask) != rw_mask) {
			goto reg_test_err;
		}

		if ((val & ro_mask) != (save_val & ro_mask)) {
			goto reg_test_err;
		}

4646
		writel(save_val, bp->regview + offset);
4647 4648 4649
		continue;

reg_test_err:
4650
		writel(save_val, bp->regview + offset);
4651 4652 4653 4654 4655 4656 4657 4658 4659
		ret = -ENODEV;
		break;
	}
	return ret;
}

static int
bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
{
4660
	static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
4661 4662 4663 4664 4665 4666 4667 4668 4669 4670 4671 4672 4673 4674 4675 4676 4677 4678 4679 4680 4681 4682 4683 4684
		0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
	int i;

	for (i = 0; i < sizeof(test_pattern) / 4; i++) {
		u32 offset;

		for (offset = 0; offset < size; offset += 4) {

			REG_WR_IND(bp, start + offset, test_pattern[i]);

			if (REG_RD_IND(bp, start + offset) !=
				test_pattern[i]) {
				return -ENODEV;
			}
		}
	}
	return 0;
}

static int
bnx2_test_memory(struct bnx2 *bp)
{
	int ret = 0;
	int i;
4685
	static struct mem_entry {
4686 4687
		u32   offset;
		u32   len;
4688
	} mem_tbl_5706[] = {
4689
		{ 0x60000,  0x4000 },
M
Michael Chan 已提交
4690
		{ 0xa0000,  0x3000 },
4691 4692 4693 4694 4695
		{ 0xe0000,  0x4000 },
		{ 0x120000, 0x4000 },
		{ 0x1a0000, 0x4000 },
		{ 0x160000, 0x4000 },
		{ 0xffffffff, 0    },
4696 4697 4698 4699 4700 4701 4702 4703
	},
	mem_tbl_5709[] = {
		{ 0x60000,  0x4000 },
		{ 0xa0000,  0x3000 },
		{ 0xe0000,  0x4000 },
		{ 0x120000, 0x4000 },
		{ 0x1a0000, 0x4000 },
		{ 0xffffffff, 0    },
4704
	};
4705 4706 4707 4708 4709 4710
	struct mem_entry *mem_tbl;

	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		mem_tbl = mem_tbl_5709;
	else
		mem_tbl = mem_tbl_5706;
4711 4712 4713 4714 4715 4716 4717

	for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
		if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
			mem_tbl[i].len)) != 0) {
			return ret;
		}
	}
4718

4719 4720 4721
	return ret;
}

M
Michael Chan 已提交
4722 4723 4724
#define BNX2_MAC_LOOPBACK	0
#define BNX2_PHY_LOOPBACK	1

4725
static int
M
Michael Chan 已提交
4726
bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
4727 4728 4729 4730
{
	unsigned int pkt_size, num_pkts, i;
	struct sk_buff *skb, *rx_skb;
	unsigned char *packet;
M
Michael Chan 已提交
4731
	u16 rx_start_idx, rx_idx;
4732 4733 4734 4735 4736 4737
	dma_addr_t map;
	struct tx_bd *txbd;
	struct sw_bd *rx_buf;
	struct l2_fhdr *rx_hdr;
	int ret = -ENODEV;

M
Michael Chan 已提交
4738 4739 4740 4741 4742
	if (loopback_mode == BNX2_MAC_LOOPBACK) {
		bp->loopback = MAC_LOOPBACK;
		bnx2_set_mac_loopback(bp);
	}
	else if (loopback_mode == BNX2_PHY_LOOPBACK) {
4743 4744 4745
		if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
			return 0;

M
Michael Chan 已提交
4746
		bp->loopback = PHY_LOOPBACK;
M
Michael Chan 已提交
4747 4748 4749 4750
		bnx2_set_phy_loopback(bp);
	}
	else
		return -EINVAL;
4751 4752

	pkt_size = 1514;
4753
	skb = netdev_alloc_skb(bp->dev, pkt_size);
4754 4755
	if (!skb)
		return -ENOMEM;
4756
	packet = skb_put(skb, pkt_size);
M
Michael Chan 已提交
4757
	memcpy(packet, bp->dev->dev_addr, 6);
4758 4759 4760 4761 4762 4763 4764
	memset(packet + 6, 0x0, 8);
	for (i = 14; i < pkt_size; i++)
		packet[i] = (unsigned char) (i & 0xff);

	map = pci_map_single(bp->pdev, skb->data, pkt_size,
		PCI_DMA_TODEVICE);

M
Michael Chan 已提交
4765 4766 4767
	REG_WR(bp, BNX2_HC_COMMAND,
	       bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);

4768 4769 4770 4771 4772 4773 4774
	REG_RD(bp, BNX2_HC_COMMAND);

	udelay(5);
	rx_start_idx = bp->status_blk->status_rx_quick_consumer_index0;

	num_pkts = 0;

M
Michael Chan 已提交
4775
	txbd = &bp->tx_desc_ring[TX_RING_IDX(bp->tx_prod)];
4776 4777 4778 4779 4780 4781 4782

	txbd->tx_bd_haddr_hi = (u64) map >> 32;
	txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
	txbd->tx_bd_mss_nbytes = pkt_size;
	txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;

	num_pkts++;
M
Michael Chan 已提交
4783 4784
	bp->tx_prod = NEXT_TX_BD(bp->tx_prod);
	bp->tx_prod_bseq += pkt_size;
4785

4786 4787
	REG_WR16(bp, bp->tx_bidx_addr, bp->tx_prod);
	REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
4788 4789 4790

	udelay(100);

M
Michael Chan 已提交
4791 4792 4793
	REG_WR(bp, BNX2_HC_COMMAND,
	       bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);

4794 4795 4796 4797 4798
	REG_RD(bp, BNX2_HC_COMMAND);

	udelay(5);

	pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
4799
	dev_kfree_skb(skb);
4800

M
Michael Chan 已提交
4801
	if (bp->status_blk->status_tx_quick_consumer_index0 != bp->tx_prod) {
4802 4803 4804 4805 4806 4807 4808 4809 4810 4811 4812 4813 4814 4815 4816 4817 4818 4819
		goto loopback_test_done;
	}

	rx_idx = bp->status_blk->status_rx_quick_consumer_index0;
	if (rx_idx != rx_start_idx + num_pkts) {
		goto loopback_test_done;
	}

	rx_buf = &bp->rx_buf_ring[rx_start_idx];
	rx_skb = rx_buf->skb;

	rx_hdr = (struct l2_fhdr *) rx_skb->data;
	skb_reserve(rx_skb, bp->rx_offset);

	pci_dma_sync_single_for_cpu(bp->pdev,
		pci_unmap_addr(rx_buf, mapping),
		bp->rx_buf_size, PCI_DMA_FROMDEVICE);

4820
	if (rx_hdr->l2_fhdr_status &
4821 4822 4823 4824 4825 4826 4827 4828 4829 4830 4831 4832 4833 4834 4835 4836 4837 4838 4839 4840 4841 4842 4843 4844 4845 4846
		(L2_FHDR_ERRORS_BAD_CRC |
		L2_FHDR_ERRORS_PHY_DECODE |
		L2_FHDR_ERRORS_ALIGNMENT |
		L2_FHDR_ERRORS_TOO_SHORT |
		L2_FHDR_ERRORS_GIANT_FRAME)) {

		goto loopback_test_done;
	}

	if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
		goto loopback_test_done;
	}

	for (i = 14; i < pkt_size; i++) {
		if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
			goto loopback_test_done;
		}
	}

	ret = 0;

loopback_test_done:
	bp->loopback = 0;
	return ret;
}

M
Michael Chan 已提交
4847 4848 4849 4850 4851 4852 4853 4854 4855 4856 4857 4858 4859 4860 4861 4862 4863 4864 4865 4866 4867 4868 4869 4870
#define BNX2_MAC_LOOPBACK_FAILED	1
#define BNX2_PHY_LOOPBACK_FAILED	2
#define BNX2_LOOPBACK_FAILED		(BNX2_MAC_LOOPBACK_FAILED |	\
					 BNX2_PHY_LOOPBACK_FAILED)

static int
bnx2_test_loopback(struct bnx2 *bp)
{
	int rc = 0;

	if (!netif_running(bp->dev))
		return BNX2_LOOPBACK_FAILED;

	bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
	spin_lock_bh(&bp->phy_lock);
	bnx2_init_phy(bp);
	spin_unlock_bh(&bp->phy_lock);
	if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
		rc |= BNX2_MAC_LOOPBACK_FAILED;
	if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
		rc |= BNX2_PHY_LOOPBACK_FAILED;
	return rc;
}

4871 4872 4873 4874 4875 4876 4877 4878 4879 4880 4881 4882 4883 4884 4885 4886 4887 4888 4889 4890 4891 4892 4893 4894 4895 4896 4897 4898 4899 4900 4901 4902 4903 4904 4905 4906 4907 4908 4909 4910 4911 4912 4913
#define NVRAM_SIZE 0x200
#define CRC32_RESIDUAL 0xdebb20e3

static int
bnx2_test_nvram(struct bnx2 *bp)
{
	u32 buf[NVRAM_SIZE / 4];
	u8 *data = (u8 *) buf;
	int rc = 0;
	u32 magic, csum;

	if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
		goto test_nvram_done;

        magic = be32_to_cpu(buf[0]);
	if (magic != 0x669955aa) {
		rc = -ENODEV;
		goto test_nvram_done;
	}

	if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
		goto test_nvram_done;

	csum = ether_crc_le(0x100, data);
	if (csum != CRC32_RESIDUAL) {
		rc = -ENODEV;
		goto test_nvram_done;
	}

	csum = ether_crc_le(0x100, data + 0x100);
	if (csum != CRC32_RESIDUAL) {
		rc = -ENODEV;
	}

test_nvram_done:
	return rc;
}

static int
bnx2_test_link(struct bnx2 *bp)
{
	u32 bmsr;

4914 4915 4916 4917 4918
	if (bp->phy_flags & REMOTE_PHY_CAP_FLAG) {
		if (bp->link_up)
			return 0;
		return -ENODEV;
	}
4919
	spin_lock_bh(&bp->phy_lock);
4920 4921 4922 4923
	bnx2_enable_bmsr1(bp);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
	bnx2_disable_bmsr1(bp);
4924
	spin_unlock_bh(&bp->phy_lock);
4925

4926 4927 4928 4929 4930 4931 4932 4933 4934 4935 4936 4937 4938 4939 4940 4941 4942 4943
	if (bmsr & BMSR_LSTATUS) {
		return 0;
	}
	return -ENODEV;
}

static int
bnx2_test_intr(struct bnx2 *bp)
{
	int i;
	u16 status_idx;

	if (!netif_running(bp->dev))
		return -ENODEV;

	status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;

	/* This register is not touched during run-time. */
M
Michael Chan 已提交
4944
	REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
4945 4946 4947 4948 4949 4950 4951 4952 4953 4954 4955 4956 4957 4958 4959 4960 4961 4962
	REG_RD(bp, BNX2_HC_COMMAND);

	for (i = 0; i < 10; i++) {
		if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
			status_idx) {

			break;
		}

		msleep_interruptible(10);
	}
	if (i < 10)
		return 0;

	return -ENODEV;
}

static void
4963
bnx2_5706_serdes_timer(struct bnx2 *bp)
4964
{
4965 4966 4967 4968 4969
	spin_lock(&bp->phy_lock);
	if (bp->serdes_an_pending)
		bp->serdes_an_pending--;
	else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
		u32 bmcr;
4970

4971
		bp->current_interval = bp->timer_interval;
M
Michael Chan 已提交
4972

4973
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
4974

4975 4976
		if (bmcr & BMCR_ANENABLE) {
			u32 phy1, phy2;
4977

4978 4979
			bnx2_write_phy(bp, 0x1c, 0x7c00);
			bnx2_read_phy(bp, 0x1c, &phy1);
M
Michael Chan 已提交
4980

4981 4982 4983 4984
			bnx2_write_phy(bp, 0x17, 0x0f01);
			bnx2_read_phy(bp, 0x15, &phy2);
			bnx2_write_phy(bp, 0x17, 0x0f01);
			bnx2_read_phy(bp, 0x15, &phy2);
4985

4986 4987 4988 4989 4990
			if ((phy1 & 0x10) &&	/* SIGNAL DETECT */
				!(phy2 & 0x20)) {	/* no CONFIG */

				bmcr &= ~BMCR_ANENABLE;
				bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
4991
				bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
4992 4993
				bp->phy_flags |= PHY_PARALLEL_DETECT_FLAG;
			}
4994
		}
4995 4996 4997 4998
	}
	else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
		 (bp->phy_flags & PHY_PARALLEL_DETECT_FLAG)) {
		u32 phy2;
4999

5000 5001 5002 5003
		bnx2_write_phy(bp, 0x17, 0x0f01);
		bnx2_read_phy(bp, 0x15, &phy2);
		if (phy2 & 0x20) {
			u32 bmcr;
M
Michael Chan 已提交
5004

5005
			bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5006
			bmcr |= BMCR_ANENABLE;
5007
			bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
5008

5009 5010 5011 5012
			bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
		}
	} else
		bp->current_interval = bp->timer_interval;
5013

5014 5015
	spin_unlock(&bp->phy_lock);
}
5016

5017 5018 5019
static void
bnx2_5708_serdes_timer(struct bnx2 *bp)
{
5020 5021 5022
	if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
		return;

5023 5024 5025 5026
	if ((bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) == 0) {
		bp->serdes_an_pending = 0;
		return;
	}
5027

5028 5029 5030 5031 5032
	spin_lock(&bp->phy_lock);
	if (bp->serdes_an_pending)
		bp->serdes_an_pending--;
	else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
		u32 bmcr;
5033

5034
		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5035
		if (bmcr & BMCR_ANENABLE) {
5036
			bnx2_enable_forced_2g5(bp);
5037 5038
			bp->current_interval = SERDES_FORCED_TIMEOUT;
		} else {
5039
			bnx2_disable_forced_2g5(bp);
5040 5041
			bp->serdes_an_pending = 2;
			bp->current_interval = bp->timer_interval;
5042 5043
		}

5044 5045
	} else
		bp->current_interval = bp->timer_interval;
5046

5047 5048 5049
	spin_unlock(&bp->phy_lock);
}

5050 5051 5052 5053
static void
bnx2_timer(unsigned long data)
{
	struct bnx2 *bp = (struct bnx2 *) data;
5054

5055 5056
	if (!netif_running(bp->dev))
		return;
5057

5058 5059
	if (atomic_read(&bp->intr_sem) != 0)
		goto bnx2_restart_timer;
5060

M
Michael Chan 已提交
5061
	bnx2_send_heart_beat(bp);
5062

5063
	bp->stats_blk->stat_FwRxDrop = REG_RD_IND(bp, BNX2_FW_RX_DROP_COUNT);
5064

5065 5066 5067 5068 5069
	/* workaround occasional corrupted counters */
	if (CHIP_NUM(bp) == CHIP_NUM_5708 && bp->stats_ticks)
		REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
					    BNX2_HC_COMMAND_STATS_NOW);

5070 5071 5072
	if (bp->phy_flags & PHY_SERDES_FLAG) {
		if (CHIP_NUM(bp) == CHIP_NUM_5706)
			bnx2_5706_serdes_timer(bp);
5073
		else
5074
			bnx2_5708_serdes_timer(bp);
5075 5076 5077
	}

bnx2_restart_timer:
M
Michael Chan 已提交
5078
	mod_timer(&bp->timer, jiffies + bp->current_interval);
5079 5080
}

5081 5082 5083 5084 5085 5086 5087 5088 5089 5090 5091 5092 5093 5094 5095 5096 5097 5098 5099 5100 5101 5102 5103 5104 5105 5106 5107 5108 5109 5110 5111 5112
static int
bnx2_request_irq(struct bnx2 *bp)
{
	struct net_device *dev = bp->dev;
	int rc = 0;

	if (bp->flags & USING_MSI_FLAG) {
		irq_handler_t	fn = bnx2_msi;

		if (bp->flags & ONE_SHOT_MSI_FLAG)
			fn = bnx2_msi_1shot;

		rc = request_irq(bp->pdev->irq, fn, 0, dev->name, dev);
	} else
		rc = request_irq(bp->pdev->irq, bnx2_interrupt,
				 IRQF_SHARED, dev->name, dev);
	return rc;
}

static void
bnx2_free_irq(struct bnx2 *bp)
{
	struct net_device *dev = bp->dev;

	if (bp->flags & USING_MSI_FLAG) {
		free_irq(bp->pdev->irq, dev);
		pci_disable_msi(bp->pdev);
		bp->flags &= ~(USING_MSI_FLAG | ONE_SHOT_MSI_FLAG);
	} else
		free_irq(bp->pdev->irq, dev);
}

5113 5114 5115 5116
/* Called with rtnl_lock */
static int
bnx2_open(struct net_device *dev)
{
M
Michael Chan 已提交
5117
	struct bnx2 *bp = netdev_priv(dev);
5118 5119
	int rc;

5120 5121
	netif_carrier_off(dev);

5122
	bnx2_set_power_state(bp, PCI_D0);
5123 5124 5125 5126 5127 5128
	bnx2_disable_int(bp);

	rc = bnx2_alloc_mem(bp);
	if (rc)
		return rc;

5129 5130
	napi_enable(&bp->napi);

5131
	if ((bp->flags & MSI_CAP_FLAG) && !disable_msi) {
5132 5133
		if (pci_enable_msi(bp->pdev) == 0) {
			bp->flags |= USING_MSI_FLAG;
5134 5135
			if (CHIP_NUM(bp) == CHIP_NUM_5709)
				bp->flags |= ONE_SHOT_MSI_FLAG;
5136 5137
		}
	}
5138 5139
	rc = bnx2_request_irq(bp);

5140
	if (rc) {
5141
		napi_disable(&bp->napi);
5142 5143 5144 5145 5146 5147 5148
		bnx2_free_mem(bp);
		return rc;
	}

	rc = bnx2_init_nic(bp);

	if (rc) {
5149
		napi_disable(&bp->napi);
5150
		bnx2_free_irq(bp);
5151 5152 5153 5154
		bnx2_free_skbs(bp);
		bnx2_free_mem(bp);
		return rc;
	}
5155

M
Michael Chan 已提交
5156
	mod_timer(&bp->timer, jiffies + bp->current_interval);
5157 5158 5159 5160 5161 5162 5163 5164 5165 5166 5167 5168 5169 5170 5171 5172 5173

	atomic_set(&bp->intr_sem, 0);

	bnx2_enable_int(bp);

	if (bp->flags & USING_MSI_FLAG) {
		/* Test MSI to make sure it is working
		 * If MSI test fails, go back to INTx mode
		 */
		if (bnx2_test_intr(bp) != 0) {
			printk(KERN_WARNING PFX "%s: No interrupt was generated"
			       " using MSI, switching to INTx mode. Please"
			       " report this failure to the PCI maintainer"
			       " and include system chipset information.\n",
			       bp->dev->name);

			bnx2_disable_int(bp);
5174
			bnx2_free_irq(bp);
5175 5176 5177

			rc = bnx2_init_nic(bp);

5178 5179 5180
			if (!rc)
				rc = bnx2_request_irq(bp);

5181
			if (rc) {
5182
				napi_disable(&bp->napi);
5183 5184 5185 5186 5187 5188 5189 5190 5191 5192 5193 5194 5195 5196 5197 5198 5199 5200
				bnx2_free_skbs(bp);
				bnx2_free_mem(bp);
				del_timer_sync(&bp->timer);
				return rc;
			}
			bnx2_enable_int(bp);
		}
	}
	if (bp->flags & USING_MSI_FLAG) {
		printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
	}

	netif_start_queue(dev);

	return 0;
}

static void
D
David Howells 已提交
5201
bnx2_reset_task(struct work_struct *work)
5202
{
D
David Howells 已提交
5203
	struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
5204

5205 5206 5207 5208
	if (!netif_running(bp->dev))
		return;

	bp->in_reset_task = 1;
5209 5210 5211 5212 5213 5214
	bnx2_netif_stop(bp);

	bnx2_init_nic(bp);

	atomic_set(&bp->intr_sem, 1);
	bnx2_netif_start(bp);
5215
	bp->in_reset_task = 0;
5216 5217 5218 5219 5220
}

static void
bnx2_tx_timeout(struct net_device *dev)
{
M
Michael Chan 已提交
5221
	struct bnx2 *bp = netdev_priv(dev);
5222 5223 5224 5225 5226 5227 5228 5229 5230 5231

	/* This allows the netif to be shutdown gracefully before resetting */
	schedule_work(&bp->reset_task);
}

#ifdef BCM_VLAN
/* Called with rtnl_lock */
static void
bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
{
M
Michael Chan 已提交
5232
	struct bnx2 *bp = netdev_priv(dev);
5233 5234 5235 5236 5237 5238 5239 5240 5241 5242

	bnx2_netif_stop(bp);

	bp->vlgrp = vlgrp;
	bnx2_set_rx_mode(dev);

	bnx2_netif_start(bp);
}
#endif

H
Herbert Xu 已提交
5243
/* Called with netif_tx_lock.
M
Michael Chan 已提交
5244 5245
 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
 * netif_wake_queue().
5246 5247 5248 5249
 */
static int
bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
M
Michael Chan 已提交
5250
	struct bnx2 *bp = netdev_priv(dev);
5251 5252 5253 5254 5255 5256 5257
	dma_addr_t mapping;
	struct tx_bd *txbd;
	struct sw_bd *tx_buf;
	u32 len, vlan_tag_flags, last_frag, mss;
	u16 prod, ring_prod;
	int i;

M
Michael Chan 已提交
5258
	if (unlikely(bnx2_tx_avail(bp) < (skb_shinfo(skb)->nr_frags + 1))) {
5259 5260 5261 5262 5263 5264 5265 5266 5267 5268 5269
		netif_stop_queue(dev);
		printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
			dev->name);

		return NETDEV_TX_BUSY;
	}
	len = skb_headlen(skb);
	prod = bp->tx_prod;
	ring_prod = TX_RING_IDX(prod);

	vlan_tag_flags = 0;
5270
	if (skb->ip_summed == CHECKSUM_PARTIAL) {
5271 5272 5273 5274 5275 5276 5277
		vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
	}

	if (bp->vlgrp != 0 && vlan_tx_tag_present(skb)) {
		vlan_tag_flags |=
			(TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
	}
5278
	if ((mss = skb_shinfo(skb)->gso_size)) {
5279
		u32 tcp_opt_len, ip_tcp_len;
5280
		struct iphdr *iph;
5281 5282 5283

		vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;

5284 5285 5286 5287 5288
		tcp_opt_len = tcp_optlen(skb);

		if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
			u32 tcp_off = skb_transport_offset(skb) -
				      sizeof(struct ipv6hdr) - ETH_HLEN;
5289

5290 5291 5292 5293 5294 5295 5296 5297 5298 5299 5300 5301 5302 5303 5304 5305 5306 5307
			vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
					  TX_BD_FLAGS_SW_FLAGS;
			if (likely(tcp_off == 0))
				vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
			else {
				tcp_off >>= 3;
				vlan_tag_flags |= ((tcp_off & 0x3) <<
						   TX_BD_FLAGS_TCP6_OFF0_SHL) |
						  ((tcp_off & 0x10) <<
						   TX_BD_FLAGS_TCP6_OFF4_SHL);
				mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
			}
		} else {
			if (skb_header_cloned(skb) &&
			    pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
				dev_kfree_skb(skb);
				return NETDEV_TX_OK;
			}
5308

5309 5310 5311 5312 5313 5314 5315 5316 5317 5318 5319 5320 5321
			ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);

			iph = ip_hdr(skb);
			iph->check = 0;
			iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
			tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
								 iph->daddr, 0,
								 IPPROTO_TCP,
								 0);
			if (tcp_opt_len || (iph->ihl > 5)) {
				vlan_tag_flags |= ((iph->ihl - 5) +
						   (tcp_opt_len >> 2)) << 8;
			}
5322
		}
5323
	} else
5324 5325 5326
		mss = 0;

	mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
5327

5328 5329 5330 5331 5332 5333 5334 5335 5336 5337 5338 5339 5340 5341 5342 5343 5344 5345 5346 5347 5348 5349 5350 5351 5352 5353 5354 5355 5356 5357 5358 5359 5360 5361 5362 5363 5364
	tx_buf = &bp->tx_buf_ring[ring_prod];
	tx_buf->skb = skb;
	pci_unmap_addr_set(tx_buf, mapping, mapping);

	txbd = &bp->tx_desc_ring[ring_prod];

	txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
	txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
	txbd->tx_bd_mss_nbytes = len | (mss << 16);
	txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;

	last_frag = skb_shinfo(skb)->nr_frags;

	for (i = 0; i < last_frag; i++) {
		skb_frag_t *frag = &skb_shinfo(skb)->frags[i];

		prod = NEXT_TX_BD(prod);
		ring_prod = TX_RING_IDX(prod);
		txbd = &bp->tx_desc_ring[ring_prod];

		len = frag->size;
		mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
			len, PCI_DMA_TODEVICE);
		pci_unmap_addr_set(&bp->tx_buf_ring[ring_prod],
				mapping, mapping);

		txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
		txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
		txbd->tx_bd_mss_nbytes = len | (mss << 16);
		txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;

	}
	txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;

	prod = NEXT_TX_BD(prod);
	bp->tx_prod_bseq += skb->len;

5365 5366
	REG_WR16(bp, bp->tx_bidx_addr, prod);
	REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
5367 5368 5369 5370 5371 5372

	mmiowb();

	bp->tx_prod = prod;
	dev->trans_start = jiffies;

M
Michael Chan 已提交
5373 5374
	if (unlikely(bnx2_tx_avail(bp) <= MAX_SKB_FRAGS)) {
		netif_stop_queue(dev);
M
Michael Chan 已提交
5375
		if (bnx2_tx_avail(bp) > bp->tx_wake_thresh)
M
Michael Chan 已提交
5376
			netif_wake_queue(dev);
5377 5378 5379 5380 5381 5382 5383 5384 5385
	}

	return NETDEV_TX_OK;
}

/* Called with rtnl_lock */
static int
bnx2_close(struct net_device *dev)
{
M
Michael Chan 已提交
5386
	struct bnx2 *bp = netdev_priv(dev);
5387 5388
	u32 reset_code;

5389 5390 5391 5392 5393 5394 5395
	/* Calling flush_scheduled_work() may deadlock because
	 * linkwatch_event() may be on the workqueue and it will try to get
	 * the rtnl_lock which we are holding.
	 */
	while (bp->in_reset_task)
		msleep(1);

5396 5397
	bnx2_disable_int_sync(bp);
	napi_disable(&bp->napi);
5398
	del_timer_sync(&bp->timer);
M
Michael Chan 已提交
5399
	if (bp->flags & NO_WOL_FLAG)
5400
		reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
M
Michael Chan 已提交
5401
	else if (bp->wol)
5402 5403 5404 5405
		reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
	else
		reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
	bnx2_reset_chip(bp, reset_code);
5406
	bnx2_free_irq(bp);
5407 5408 5409 5410
	bnx2_free_skbs(bp);
	bnx2_free_mem(bp);
	bp->link_up = 0;
	netif_carrier_off(bp->dev);
5411
	bnx2_set_power_state(bp, PCI_D3hot);
5412 5413 5414 5415 5416 5417 5418 5419 5420 5421 5422 5423 5424 5425 5426 5427 5428 5429 5430
	return 0;
}

#define GET_NET_STATS64(ctr)					\
	(unsigned long) ((unsigned long) (ctr##_hi) << 32) +	\
	(unsigned long) (ctr##_lo)

#define GET_NET_STATS32(ctr)		\
	(ctr##_lo)

#if (BITS_PER_LONG == 64)
#define GET_NET_STATS	GET_NET_STATS64
#else
#define GET_NET_STATS	GET_NET_STATS32
#endif

static struct net_device_stats *
bnx2_get_stats(struct net_device *dev)
{
M
Michael Chan 已提交
5431
	struct bnx2 *bp = netdev_priv(dev);
5432 5433 5434 5435 5436 5437 5438 5439 5440 5441 5442 5443 5444 5445 5446 5447 5448 5449 5450 5451 5452 5453
	struct statistics_block *stats_blk = bp->stats_blk;
	struct net_device_stats *net_stats = &bp->net_stats;

	if (bp->stats_blk == NULL) {
		return net_stats;
	}
	net_stats->rx_packets =
		GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
		GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
		GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);

	net_stats->tx_packets =
		GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
		GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
		GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);

	net_stats->rx_bytes =
		GET_NET_STATS(stats_blk->stat_IfHCInOctets);

	net_stats->tx_bytes =
		GET_NET_STATS(stats_blk->stat_IfHCOutOctets);

5454
	net_stats->multicast =
5455 5456
		GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);

5457
	net_stats->collisions =
5458 5459
		(unsigned long) stats_blk->stat_EtherStatsCollisions;

5460
	net_stats->rx_length_errors =
5461 5462 5463
		(unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
		stats_blk->stat_EtherStatsOverrsizePkts);

5464
	net_stats->rx_over_errors =
5465 5466
		(unsigned long) stats_blk->stat_IfInMBUFDiscards;

5467
	net_stats->rx_frame_errors =
5468 5469
		(unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;

5470
	net_stats->rx_crc_errors =
5471 5472 5473 5474 5475 5476 5477 5478 5479 5480
		(unsigned long) stats_blk->stat_Dot3StatsFCSErrors;

	net_stats->rx_errors = net_stats->rx_length_errors +
		net_stats->rx_over_errors + net_stats->rx_frame_errors +
		net_stats->rx_crc_errors;

	net_stats->tx_aborted_errors =
    		(unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
		stats_blk->stat_Dot3StatsLateCollisions);

M
Michael Chan 已提交
5481 5482
	if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_A0))
5483 5484 5485 5486 5487 5488 5489 5490
		net_stats->tx_carrier_errors = 0;
	else {
		net_stats->tx_carrier_errors =
			(unsigned long)
			stats_blk->stat_Dot3StatsCarrierSenseErrors;
	}

	net_stats->tx_errors =
5491
    		(unsigned long)
5492 5493 5494 5495 5496
		stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
		+
		net_stats->tx_aborted_errors +
		net_stats->tx_carrier_errors;

M
Michael Chan 已提交
5497 5498 5499 5500
	net_stats->rx_missed_errors =
		(unsigned long) (stats_blk->stat_IfInMBUFDiscards +
		stats_blk->stat_FwRxDrop);

5501 5502 5503 5504 5505 5506 5507 5508
	return net_stats;
}

/* All ethtool functions called with rtnl_lock */

static int
bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
M
Michael Chan 已提交
5509
	struct bnx2 *bp = netdev_priv(dev);
5510
	int support_serdes = 0, support_copper = 0;
5511 5512

	cmd->supported = SUPPORTED_Autoneg;
5513 5514 5515 5516 5517 5518 5519 5520 5521
	if (bp->phy_flags & REMOTE_PHY_CAP_FLAG) {
		support_serdes = 1;
		support_copper = 1;
	} else if (bp->phy_port == PORT_FIBRE)
		support_serdes = 1;
	else
		support_copper = 1;

	if (support_serdes) {
5522 5523
		cmd->supported |= SUPPORTED_1000baseT_Full |
			SUPPORTED_FIBRE;
5524 5525
		if (bp->phy_flags & PHY_2_5G_CAPABLE_FLAG)
			cmd->supported |= SUPPORTED_2500baseX_Full;
5526 5527

	}
5528
	if (support_copper) {
5529 5530 5531 5532 5533 5534 5535 5536 5537
		cmd->supported |= SUPPORTED_10baseT_Half |
			SUPPORTED_10baseT_Full |
			SUPPORTED_100baseT_Half |
			SUPPORTED_100baseT_Full |
			SUPPORTED_1000baseT_Full |
			SUPPORTED_TP;

	}

5538 5539
	spin_lock_bh(&bp->phy_lock);
	cmd->port = bp->phy_port;
5540 5541 5542 5543 5544 5545 5546 5547 5548 5549 5550 5551 5552 5553 5554 5555 5556
	cmd->advertising = bp->advertising;

	if (bp->autoneg & AUTONEG_SPEED) {
		cmd->autoneg = AUTONEG_ENABLE;
	}
	else {
		cmd->autoneg = AUTONEG_DISABLE;
	}

	if (netif_carrier_ok(dev)) {
		cmd->speed = bp->line_speed;
		cmd->duplex = bp->duplex;
	}
	else {
		cmd->speed = -1;
		cmd->duplex = -1;
	}
5557
	spin_unlock_bh(&bp->phy_lock);
5558 5559 5560 5561 5562 5563

	cmd->transceiver = XCVR_INTERNAL;
	cmd->phy_address = bp->phy_addr;

	return 0;
}
5564

5565 5566 5567
static int
bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
M
Michael Chan 已提交
5568
	struct bnx2 *bp = netdev_priv(dev);
5569 5570 5571 5572
	u8 autoneg = bp->autoneg;
	u8 req_duplex = bp->req_duplex;
	u16 req_line_speed = bp->req_line_speed;
	u32 advertising = bp->advertising;
5573 5574 5575 5576 5577 5578 5579 5580 5581
	int err = -EINVAL;

	spin_lock_bh(&bp->phy_lock);

	if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
		goto err_out_unlock;

	if (cmd->port != bp->phy_port && !(bp->phy_flags & REMOTE_PHY_CAP_FLAG))
		goto err_out_unlock;
5582 5583 5584 5585

	if (cmd->autoneg == AUTONEG_ENABLE) {
		autoneg |= AUTONEG_SPEED;

5586
		cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
5587 5588 5589 5590 5591 5592 5593

		/* allow advertising 1 speed */
		if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
			(cmd->advertising == ADVERTISED_10baseT_Full) ||
			(cmd->advertising == ADVERTISED_100baseT_Half) ||
			(cmd->advertising == ADVERTISED_100baseT_Full)) {

5594 5595
			if (cmd->port == PORT_FIBRE)
				goto err_out_unlock;
5596 5597 5598

			advertising = cmd->advertising;

5599
		} else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
5600 5601 5602 5603
			if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) ||
			    (cmd->port == PORT_TP))
				goto err_out_unlock;
		} else if (cmd->advertising == ADVERTISED_1000baseT_Full)
5604
			advertising = cmd->advertising;
5605 5606
		else if (cmd->advertising == ADVERTISED_1000baseT_Half)
			goto err_out_unlock;
5607
		else {
5608
			if (cmd->port == PORT_FIBRE)
5609
				advertising = ETHTOOL_ALL_FIBRE_SPEED;
5610
			else
5611 5612 5613 5614 5615
				advertising = ETHTOOL_ALL_COPPER_SPEED;
		}
		advertising |= ADVERTISED_Autoneg;
	}
	else {
5616
		if (cmd->port == PORT_FIBRE) {
M
Michael Chan 已提交
5617 5618 5619
			if ((cmd->speed != SPEED_1000 &&
			     cmd->speed != SPEED_2500) ||
			    (cmd->duplex != DUPLEX_FULL))
5620
				goto err_out_unlock;
M
Michael Chan 已提交
5621 5622 5623

			if (cmd->speed == SPEED_2500 &&
			    !(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
5624
				goto err_out_unlock;
5625
		}
5626 5627 5628
		else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
			goto err_out_unlock;

5629 5630 5631 5632 5633 5634 5635 5636 5637 5638 5639
		autoneg &= ~AUTONEG_SPEED;
		req_line_speed = cmd->speed;
		req_duplex = cmd->duplex;
		advertising = 0;
	}

	bp->autoneg = autoneg;
	bp->advertising = advertising;
	bp->req_line_speed = req_line_speed;
	bp->req_duplex = req_duplex;

5640
	err = bnx2_setup_phy(bp, cmd->port);
5641

5642
err_out_unlock:
5643
	spin_unlock_bh(&bp->phy_lock);
5644

5645
	return err;
5646 5647 5648 5649 5650
}

static void
bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
{
M
Michael Chan 已提交
5651
	struct bnx2 *bp = netdev_priv(dev);
5652 5653 5654 5655

	strcpy(info->driver, DRV_MODULE_NAME);
	strcpy(info->version, DRV_MODULE_VERSION);
	strcpy(info->bus_info, pci_name(bp->pdev));
5656
	strcpy(info->fw_version, bp->fw_version);
5657 5658
}

M
Michael Chan 已提交
5659 5660 5661 5662 5663 5664 5665 5666 5667 5668 5669 5670 5671 5672 5673 5674 5675 5676 5677 5678 5679 5680 5681 5682 5683 5684 5685 5686 5687 5688 5689 5690 5691 5692 5693 5694 5695 5696 5697 5698 5699 5700 5701 5702 5703 5704 5705 5706 5707 5708 5709 5710 5711 5712 5713 5714 5715 5716
#define BNX2_REGDUMP_LEN		(32 * 1024)

static int
bnx2_get_regs_len(struct net_device *dev)
{
	return BNX2_REGDUMP_LEN;
}

static void
bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
{
	u32 *p = _p, i, offset;
	u8 *orig_p = _p;
	struct bnx2 *bp = netdev_priv(dev);
	u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
				 0x0800, 0x0880, 0x0c00, 0x0c10,
				 0x0c30, 0x0d08, 0x1000, 0x101c,
				 0x1040, 0x1048, 0x1080, 0x10a4,
				 0x1400, 0x1490, 0x1498, 0x14f0,
				 0x1500, 0x155c, 0x1580, 0x15dc,
				 0x1600, 0x1658, 0x1680, 0x16d8,
				 0x1800, 0x1820, 0x1840, 0x1854,
				 0x1880, 0x1894, 0x1900, 0x1984,
				 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
				 0x1c80, 0x1c94, 0x1d00, 0x1d84,
				 0x2000, 0x2030, 0x23c0, 0x2400,
				 0x2800, 0x2820, 0x2830, 0x2850,
				 0x2b40, 0x2c10, 0x2fc0, 0x3058,
				 0x3c00, 0x3c94, 0x4000, 0x4010,
				 0x4080, 0x4090, 0x43c0, 0x4458,
				 0x4c00, 0x4c18, 0x4c40, 0x4c54,
				 0x4fc0, 0x5010, 0x53c0, 0x5444,
				 0x5c00, 0x5c18, 0x5c80, 0x5c90,
				 0x5fc0, 0x6000, 0x6400, 0x6428,
				 0x6800, 0x6848, 0x684c, 0x6860,
				 0x6888, 0x6910, 0x8000 };

	regs->version = 0;

	memset(p, 0, BNX2_REGDUMP_LEN);

	if (!netif_running(bp->dev))
		return;

	i = 0;
	offset = reg_boundaries[0];
	p += offset;
	while (offset < BNX2_REGDUMP_LEN) {
		*p++ = REG_RD(bp, offset);
		offset += 4;
		if (offset == reg_boundaries[i + 1]) {
			offset = reg_boundaries[i + 2];
			p = (u32 *) (orig_p + offset);
			i += 2;
		}
	}
}

5717 5718 5719
static void
bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
M
Michael Chan 已提交
5720
	struct bnx2 *bp = netdev_priv(dev);
5721 5722 5723 5724 5725 5726 5727 5728 5729 5730 5731 5732 5733 5734 5735 5736 5737 5738

	if (bp->flags & NO_WOL_FLAG) {
		wol->supported = 0;
		wol->wolopts = 0;
	}
	else {
		wol->supported = WAKE_MAGIC;
		if (bp->wol)
			wol->wolopts = WAKE_MAGIC;
		else
			wol->wolopts = 0;
	}
	memset(&wol->sopass, 0, sizeof(wol->sopass));
}

static int
bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
M
Michael Chan 已提交
5739
	struct bnx2 *bp = netdev_priv(dev);
5740 5741 5742 5743 5744 5745 5746 5747 5748 5749 5750 5751 5752 5753 5754 5755 5756 5757 5758

	if (wol->wolopts & ~WAKE_MAGIC)
		return -EINVAL;

	if (wol->wolopts & WAKE_MAGIC) {
		if (bp->flags & NO_WOL_FLAG)
			return -EINVAL;

		bp->wol = 1;
	}
	else {
		bp->wol = 0;
	}
	return 0;
}

static int
bnx2_nway_reset(struct net_device *dev)
{
M
Michael Chan 已提交
5759
	struct bnx2 *bp = netdev_priv(dev);
5760 5761 5762 5763 5764 5765
	u32 bmcr;

	if (!(bp->autoneg & AUTONEG_SPEED)) {
		return -EINVAL;
	}

5766
	spin_lock_bh(&bp->phy_lock);
5767

5768 5769 5770 5771 5772 5773 5774 5775
	if (bp->phy_flags & REMOTE_PHY_CAP_FLAG) {
		int rc;

		rc = bnx2_setup_remote_phy(bp, bp->phy_port);
		spin_unlock_bh(&bp->phy_lock);
		return rc;
	}

5776 5777
	/* Force a link down visible on the other side */
	if (bp->phy_flags & PHY_SERDES_FLAG) {
5778
		bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
5779
		spin_unlock_bh(&bp->phy_lock);
5780 5781 5782

		msleep(20);

5783
		spin_lock_bh(&bp->phy_lock);
5784 5785 5786 5787

		bp->current_interval = SERDES_AN_TIMEOUT;
		bp->serdes_an_pending = 1;
		mod_timer(&bp->timer, jiffies + bp->current_interval);
5788 5789
	}

5790
	bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
5791
	bmcr &= ~BMCR_LOOPBACK;
5792
	bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
5793

5794
	spin_unlock_bh(&bp->phy_lock);
5795 5796 5797 5798 5799 5800 5801

	return 0;
}

static int
bnx2_get_eeprom_len(struct net_device *dev)
{
M
Michael Chan 已提交
5802
	struct bnx2 *bp = netdev_priv(dev);
5803

M
Michael Chan 已提交
5804
	if (bp->flash_info == NULL)
5805 5806
		return 0;

M
Michael Chan 已提交
5807
	return (int) bp->flash_size;
5808 5809 5810 5811 5812 5813
}

static int
bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
		u8 *eebuf)
{
M
Michael Chan 已提交
5814
	struct bnx2 *bp = netdev_priv(dev);
5815 5816
	int rc;

5817
	/* parameters already validated in ethtool_get_eeprom */
5818 5819 5820 5821 5822 5823 5824 5825 5826 5827

	rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);

	return rc;
}

static int
bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
		u8 *eebuf)
{
M
Michael Chan 已提交
5828
	struct bnx2 *bp = netdev_priv(dev);
5829 5830
	int rc;

5831
	/* parameters already validated in ethtool_set_eeprom */
5832 5833 5834 5835 5836 5837 5838 5839 5840

	rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);

	return rc;
}

static int
bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
{
M
Michael Chan 已提交
5841
	struct bnx2 *bp = netdev_priv(dev);
5842 5843 5844 5845 5846 5847 5848 5849 5850 5851 5852 5853 5854 5855 5856 5857 5858 5859 5860 5861 5862

	memset(coal, 0, sizeof(struct ethtool_coalesce));

	coal->rx_coalesce_usecs = bp->rx_ticks;
	coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
	coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
	coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;

	coal->tx_coalesce_usecs = bp->tx_ticks;
	coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
	coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
	coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;

	coal->stats_block_coalesce_usecs = bp->stats_ticks;

	return 0;
}

static int
bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
{
M
Michael Chan 已提交
5863
	struct bnx2 *bp = netdev_priv(dev);
5864 5865 5866 5867

	bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
	if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;

5868
	bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
5869 5870 5871 5872 5873 5874 5875 5876 5877 5878 5879 5880 5881 5882 5883 5884 5885 5886 5887 5888 5889 5890 5891
	if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;

	bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
	if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;

	bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
	if (bp->rx_quick_cons_trip_int > 0xff)
		bp->rx_quick_cons_trip_int = 0xff;

	bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
	if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;

	bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
	if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;

	bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
	if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;

	bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
	if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
		0xff;

	bp->stats_ticks = coal->stats_block_coalesce_usecs;
5892 5893 5894 5895
	if (CHIP_NUM(bp) == CHIP_NUM_5708) {
		if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
			bp->stats_ticks = USEC_PER_SEC;
	}
5896 5897 5898
	if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
		bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
	bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
5899 5900 5901 5902 5903 5904 5905 5906 5907 5908 5909 5910 5911

	if (netif_running(bp->dev)) {
		bnx2_netif_stop(bp);
		bnx2_init_nic(bp);
		bnx2_netif_start(bp);
	}

	return 0;
}

static void
bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
{
M
Michael Chan 已提交
5912
	struct bnx2 *bp = netdev_priv(dev);
5913

5914
	ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
5915
	ering->rx_mini_max_pending = 0;
5916
	ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
5917 5918 5919

	ering->rx_pending = bp->rx_ring_size;
	ering->rx_mini_pending = 0;
5920
	ering->rx_jumbo_pending = bp->rx_pg_ring_size;
5921 5922 5923 5924 5925 5926

	ering->tx_max_pending = MAX_TX_DESC_CNT;
	ering->tx_pending = bp->tx_ring_size;
}

static int
5927
bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
5928
{
5929 5930 5931 5932 5933 5934 5935
	if (netif_running(bp->dev)) {
		bnx2_netif_stop(bp);
		bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
		bnx2_free_skbs(bp);
		bnx2_free_mem(bp);
	}

5936 5937
	bnx2_set_rx_ring_size(bp, rx);
	bp->tx_ring_size = tx;
5938 5939

	if (netif_running(bp->dev)) {
5940 5941 5942 5943 5944
		int rc;

		rc = bnx2_alloc_mem(bp);
		if (rc)
			return rc;
5945 5946 5947 5948 5949 5950
		bnx2_init_nic(bp);
		bnx2_netif_start(bp);
	}
	return 0;
}

5951 5952 5953 5954 5955 5956 5957 5958 5959 5960 5961 5962 5963 5964 5965 5966
static int
bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
{
	struct bnx2 *bp = netdev_priv(dev);
	int rc;

	if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
		(ering->tx_pending > MAX_TX_DESC_CNT) ||
		(ering->tx_pending <= MAX_SKB_FRAGS)) {

		return -EINVAL;
	}
	rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
	return rc;
}

5967 5968 5969
static void
bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
{
M
Michael Chan 已提交
5970
	struct bnx2 *bp = netdev_priv(dev);
5971 5972 5973 5974 5975 5976 5977 5978 5979

	epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
	epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
	epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
}

static int
bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
{
M
Michael Chan 已提交
5980
	struct bnx2 *bp = netdev_priv(dev);
5981 5982 5983 5984 5985 5986 5987 5988 5989 5990 5991 5992 5993 5994

	bp->req_flow_ctrl = 0;
	if (epause->rx_pause)
		bp->req_flow_ctrl |= FLOW_CTRL_RX;
	if (epause->tx_pause)
		bp->req_flow_ctrl |= FLOW_CTRL_TX;

	if (epause->autoneg) {
		bp->autoneg |= AUTONEG_FLOW_CTRL;
	}
	else {
		bp->autoneg &= ~AUTONEG_FLOW_CTRL;
	}

5995
	spin_lock_bh(&bp->phy_lock);
5996

5997
	bnx2_setup_phy(bp, bp->phy_port);
5998

5999
	spin_unlock_bh(&bp->phy_lock);
6000 6001 6002 6003 6004 6005 6006

	return 0;
}

static u32
bnx2_get_rx_csum(struct net_device *dev)
{
M
Michael Chan 已提交
6007
	struct bnx2 *bp = netdev_priv(dev);
6008 6009 6010 6011 6012 6013 6014

	return bp->rx_csum;
}

static int
bnx2_set_rx_csum(struct net_device *dev, u32 data)
{
M
Michael Chan 已提交
6015
	struct bnx2 *bp = netdev_priv(dev);
6016 6017 6018 6019 6020

	bp->rx_csum = data;
	return 0;
}

M
Michael Chan 已提交
6021 6022 6023
static int
bnx2_set_tso(struct net_device *dev, u32 data)
{
6024 6025 6026
	struct bnx2 *bp = netdev_priv(dev);

	if (data) {
M
Michael Chan 已提交
6027
		dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
6028 6029 6030 6031 6032
		if (CHIP_NUM(bp) == CHIP_NUM_5709)
			dev->features |= NETIF_F_TSO6;
	} else
		dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
				   NETIF_F_TSO_ECN);
M
Michael Chan 已提交
6033 6034 6035
	return 0;
}

M
Michael Chan 已提交
6036
#define BNX2_NUM_STATS 46
6037

6038
static struct {
6039 6040 6041 6042 6043 6044 6045 6046 6047 6048 6049 6050 6051 6052 6053 6054 6055 6056 6057 6058 6059 6060 6061 6062 6063 6064 6065 6066 6067 6068 6069 6070 6071 6072 6073 6074 6075 6076 6077 6078 6079 6080 6081 6082 6083 6084 6085
	char string[ETH_GSTRING_LEN];
} bnx2_stats_str_arr[BNX2_NUM_STATS] = {
	{ "rx_bytes" },
	{ "rx_error_bytes" },
	{ "tx_bytes" },
	{ "tx_error_bytes" },
	{ "rx_ucast_packets" },
	{ "rx_mcast_packets" },
	{ "rx_bcast_packets" },
	{ "tx_ucast_packets" },
	{ "tx_mcast_packets" },
	{ "tx_bcast_packets" },
	{ "tx_mac_errors" },
	{ "tx_carrier_errors" },
	{ "rx_crc_errors" },
	{ "rx_align_errors" },
	{ "tx_single_collisions" },
	{ "tx_multi_collisions" },
	{ "tx_deferred" },
	{ "tx_excess_collisions" },
	{ "tx_late_collisions" },
	{ "tx_total_collisions" },
	{ "rx_fragments" },
	{ "rx_jabbers" },
	{ "rx_undersize_packets" },
	{ "rx_oversize_packets" },
	{ "rx_64_byte_packets" },
	{ "rx_65_to_127_byte_packets" },
	{ "rx_128_to_255_byte_packets" },
	{ "rx_256_to_511_byte_packets" },
	{ "rx_512_to_1023_byte_packets" },
	{ "rx_1024_to_1522_byte_packets" },
	{ "rx_1523_to_9022_byte_packets" },
	{ "tx_64_byte_packets" },
	{ "tx_65_to_127_byte_packets" },
	{ "tx_128_to_255_byte_packets" },
	{ "tx_256_to_511_byte_packets" },
	{ "tx_512_to_1023_byte_packets" },
	{ "tx_1024_to_1522_byte_packets" },
	{ "tx_1523_to_9022_byte_packets" },
	{ "rx_xon_frames" },
	{ "rx_xoff_frames" },
	{ "tx_xon_frames" },
	{ "tx_xoff_frames" },
	{ "rx_mac_ctrl_frames" },
	{ "rx_filtered_packets" },
	{ "rx_discards" },
M
Michael Chan 已提交
6086
	{ "rx_fw_discards" },
6087 6088 6089 6090
};

#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)

6091
static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
6092 6093 6094 6095 6096 6097 6098 6099 6100 6101 6102
    STATS_OFFSET32(stat_IfHCInOctets_hi),
    STATS_OFFSET32(stat_IfHCInBadOctets_hi),
    STATS_OFFSET32(stat_IfHCOutOctets_hi),
    STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
    STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
    STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
    STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
    STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
    STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
    STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
    STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
6103 6104 6105 6106 6107 6108 6109 6110 6111 6112 6113 6114 6115 6116 6117 6118 6119 6120 6121 6122 6123 6124 6125 6126 6127 6128 6129 6130 6131 6132 6133 6134 6135 6136
    STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
    STATS_OFFSET32(stat_Dot3StatsFCSErrors),
    STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
    STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
    STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
    STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
    STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
    STATS_OFFSET32(stat_Dot3StatsLateCollisions),
    STATS_OFFSET32(stat_EtherStatsCollisions),
    STATS_OFFSET32(stat_EtherStatsFragments),
    STATS_OFFSET32(stat_EtherStatsJabbers),
    STATS_OFFSET32(stat_EtherStatsUndersizePkts),
    STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
    STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
    STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
    STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
    STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
    STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
    STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
    STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
    STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
    STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
    STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
    STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
    STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
    STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
    STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
    STATS_OFFSET32(stat_XonPauseFramesReceived),
    STATS_OFFSET32(stat_XoffPauseFramesReceived),
    STATS_OFFSET32(stat_OutXonSent),
    STATS_OFFSET32(stat_OutXoffSent),
    STATS_OFFSET32(stat_MacControlFramesReceived),
    STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
    STATS_OFFSET32(stat_IfInMBUFDiscards),
M
Michael Chan 已提交
6137
    STATS_OFFSET32(stat_FwRxDrop),
6138 6139 6140 6141
};

/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
 * skipped because of errata.
6142
 */
6143
static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
6144 6145 6146 6147
	8,0,8,8,8,8,8,8,8,8,
	4,0,4,4,4,4,4,4,4,4,
	4,4,4,4,4,4,4,4,4,4,
	4,4,4,4,4,4,4,4,4,4,
M
Michael Chan 已提交
6148
	4,4,4,4,4,4,
6149 6150
};

M
Michael Chan 已提交
6151 6152 6153 6154 6155
static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
	8,0,8,8,8,8,8,8,8,8,
	4,4,4,4,4,4,4,4,4,4,
	4,4,4,4,4,4,4,4,4,4,
	4,4,4,4,4,4,4,4,4,4,
M
Michael Chan 已提交
6156
	4,4,4,4,4,4,
M
Michael Chan 已提交
6157 6158
};

6159 6160
#define BNX2_NUM_TESTS 6

6161
static struct {
6162 6163 6164 6165 6166 6167 6168 6169 6170 6171 6172
	char string[ETH_GSTRING_LEN];
} bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
	{ "register_test (offline)" },
	{ "memory_test (offline)" },
	{ "loopback_test (offline)" },
	{ "nvram_test (online)" },
	{ "interrupt_test (online)" },
	{ "link_test (online)" },
};

static int
6173
bnx2_get_sset_count(struct net_device *dev, int sset)
6174
{
6175 6176 6177 6178 6179 6180 6181 6182
	switch (sset) {
	case ETH_SS_TEST:
		return BNX2_NUM_TESTS;
	case ETH_SS_STATS:
		return BNX2_NUM_STATS;
	default:
		return -EOPNOTSUPP;
	}
6183 6184 6185 6186 6187
}

static void
bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
{
M
Michael Chan 已提交
6188
	struct bnx2 *bp = netdev_priv(dev);
6189 6190 6191

	memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
	if (etest->flags & ETH_TEST_FL_OFFLINE) {
M
Michael Chan 已提交
6192 6193
		int i;

6194 6195 6196 6197 6198 6199 6200 6201 6202 6203 6204 6205
		bnx2_netif_stop(bp);
		bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
		bnx2_free_skbs(bp);

		if (bnx2_test_registers(bp) != 0) {
			buf[0] = 1;
			etest->flags |= ETH_TEST_FL_FAILED;
		}
		if (bnx2_test_memory(bp) != 0) {
			buf[1] = 1;
			etest->flags |= ETH_TEST_FL_FAILED;
		}
M
Michael Chan 已提交
6206
		if ((buf[2] = bnx2_test_loopback(bp)) != 0)
6207 6208 6209 6210 6211 6212 6213 6214 6215 6216 6217
			etest->flags |= ETH_TEST_FL_FAILED;

		if (!netif_running(bp->dev)) {
			bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
		}
		else {
			bnx2_init_nic(bp);
			bnx2_netif_start(bp);
		}

		/* wait for link up */
M
Michael Chan 已提交
6218 6219 6220 6221 6222
		for (i = 0; i < 7; i++) {
			if (bp->link_up)
				break;
			msleep_interruptible(1000);
		}
6223 6224 6225 6226 6227 6228 6229 6230 6231 6232 6233 6234 6235 6236 6237 6238 6239 6240 6241 6242 6243 6244 6245 6246 6247 6248 6249 6250 6251 6252 6253 6254 6255 6256 6257 6258 6259
	}

	if (bnx2_test_nvram(bp) != 0) {
		buf[3] = 1;
		etest->flags |= ETH_TEST_FL_FAILED;
	}
	if (bnx2_test_intr(bp) != 0) {
		buf[4] = 1;
		etest->flags |= ETH_TEST_FL_FAILED;
	}

	if (bnx2_test_link(bp) != 0) {
		buf[5] = 1;
		etest->flags |= ETH_TEST_FL_FAILED;

	}
}

static void
bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
{
	switch (stringset) {
	case ETH_SS_STATS:
		memcpy(buf, bnx2_stats_str_arr,
			sizeof(bnx2_stats_str_arr));
		break;
	case ETH_SS_TEST:
		memcpy(buf, bnx2_tests_str_arr,
			sizeof(bnx2_tests_str_arr));
		break;
	}
}

static void
bnx2_get_ethtool_stats(struct net_device *dev,
		struct ethtool_stats *stats, u64 *buf)
{
M
Michael Chan 已提交
6260
	struct bnx2 *bp = netdev_priv(dev);
6261 6262
	int i;
	u32 *hw_stats = (u32 *) bp->stats_blk;
6263
	u8 *stats_len_arr = NULL;
6264 6265 6266 6267 6268 6269

	if (hw_stats == NULL) {
		memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
		return;
	}

M
Michael Chan 已提交
6270 6271 6272 6273
	if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
	    (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
	    (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_A0))
6274
		stats_len_arr = bnx2_5706_stats_len_arr;
M
Michael Chan 已提交
6275 6276
	else
		stats_len_arr = bnx2_5708_stats_len_arr;
6277 6278 6279 6280 6281 6282 6283 6284 6285 6286 6287 6288 6289 6290 6291 6292 6293 6294 6295 6296 6297 6298 6299

	for (i = 0; i < BNX2_NUM_STATS; i++) {
		if (stats_len_arr[i] == 0) {
			/* skip this counter */
			buf[i] = 0;
			continue;
		}
		if (stats_len_arr[i] == 4) {
			/* 4-byte counter */
			buf[i] = (u64)
				*(hw_stats + bnx2_stats_offset_arr[i]);
			continue;
		}
		/* 8-byte counter */
		buf[i] = (((u64) *(hw_stats +
					bnx2_stats_offset_arr[i])) << 32) +
				*(hw_stats + bnx2_stats_offset_arr[i] + 1);
	}
}

static int
bnx2_phys_id(struct net_device *dev, u32 data)
{
M
Michael Chan 已提交
6300
	struct bnx2 *bp = netdev_priv(dev);
6301 6302 6303 6304 6305 6306 6307 6308 6309 6310 6311 6312 6313 6314 6315 6316 6317 6318 6319 6320 6321 6322 6323 6324 6325 6326 6327 6328 6329 6330
	int i;
	u32 save;

	if (data == 0)
		data = 2;

	save = REG_RD(bp, BNX2_MISC_CFG);
	REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);

	for (i = 0; i < (data * 2); i++) {
		if ((i % 2) == 0) {
			REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
		}
		else {
			REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
				BNX2_EMAC_LED_1000MB_OVERRIDE |
				BNX2_EMAC_LED_100MB_OVERRIDE |
				BNX2_EMAC_LED_10MB_OVERRIDE |
				BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
				BNX2_EMAC_LED_TRAFFIC);
		}
		msleep_interruptible(500);
		if (signal_pending(current))
			break;
	}
	REG_WR(bp, BNX2_EMAC_LED, 0);
	REG_WR(bp, BNX2_MISC_CFG, save);
	return 0;
}

6331 6332 6333 6334 6335 6336
static int
bnx2_set_tx_csum(struct net_device *dev, u32 data)
{
	struct bnx2 *bp = netdev_priv(dev);

	if (CHIP_NUM(bp) == CHIP_NUM_5709)
6337
		return (ethtool_op_set_tx_ipv6_csum(dev, data));
6338 6339 6340 6341
	else
		return (ethtool_op_set_tx_csum(dev, data));
}

6342
static const struct ethtool_ops bnx2_ethtool_ops = {
6343 6344 6345
	.get_settings		= bnx2_get_settings,
	.set_settings		= bnx2_set_settings,
	.get_drvinfo		= bnx2_get_drvinfo,
M
Michael Chan 已提交
6346 6347
	.get_regs_len		= bnx2_get_regs_len,
	.get_regs		= bnx2_get_regs,
6348 6349 6350 6351 6352 6353 6354 6355 6356 6357 6358 6359 6360 6361 6362
	.get_wol		= bnx2_get_wol,
	.set_wol		= bnx2_set_wol,
	.nway_reset		= bnx2_nway_reset,
	.get_link		= ethtool_op_get_link,
	.get_eeprom_len		= bnx2_get_eeprom_len,
	.get_eeprom		= bnx2_get_eeprom,
	.set_eeprom		= bnx2_set_eeprom,
	.get_coalesce		= bnx2_get_coalesce,
	.set_coalesce		= bnx2_set_coalesce,
	.get_ringparam		= bnx2_get_ringparam,
	.set_ringparam		= bnx2_set_ringparam,
	.get_pauseparam		= bnx2_get_pauseparam,
	.set_pauseparam		= bnx2_set_pauseparam,
	.get_rx_csum		= bnx2_get_rx_csum,
	.set_rx_csum		= bnx2_set_rx_csum,
6363
	.set_tx_csum		= bnx2_set_tx_csum,
6364
	.set_sg			= ethtool_op_set_sg,
M
Michael Chan 已提交
6365
	.set_tso		= bnx2_set_tso,
6366 6367 6368 6369
	.self_test		= bnx2_self_test,
	.get_strings		= bnx2_get_strings,
	.phys_id		= bnx2_phys_id,
	.get_ethtool_stats	= bnx2_get_ethtool_stats,
6370
	.get_sset_count		= bnx2_get_sset_count,
6371 6372 6373 6374 6375 6376
};

/* Called with rtnl_lock */
static int
bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
6377
	struct mii_ioctl_data *data = if_mii(ifr);
M
Michael Chan 已提交
6378
	struct bnx2 *bp = netdev_priv(dev);
6379 6380 6381 6382 6383 6384 6385 6386 6387 6388
	int err;

	switch(cmd) {
	case SIOCGMIIPHY:
		data->phy_id = bp->phy_addr;

		/* fallthru */
	case SIOCGMIIREG: {
		u32 mii_regval;

6389 6390 6391
		if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
			return -EOPNOTSUPP;

6392 6393 6394
		if (!netif_running(dev))
			return -EAGAIN;

6395
		spin_lock_bh(&bp->phy_lock);
6396
		err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
6397
		spin_unlock_bh(&bp->phy_lock);
6398 6399 6400 6401 6402 6403 6404 6405 6406 6407

		data->val_out = mii_regval;

		return err;
	}

	case SIOCSMIIREG:
		if (!capable(CAP_NET_ADMIN))
			return -EPERM;

6408 6409 6410
		if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
			return -EOPNOTSUPP;

6411 6412 6413
		if (!netif_running(dev))
			return -EAGAIN;

6414
		spin_lock_bh(&bp->phy_lock);
6415
		err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
6416
		spin_unlock_bh(&bp->phy_lock);
6417 6418 6419 6420 6421 6422 6423 6424 6425 6426 6427 6428 6429 6430 6431

		return err;

	default:
		/* do nothing */
		break;
	}
	return -EOPNOTSUPP;
}

/* Called with rtnl_lock */
static int
bnx2_change_mac_addr(struct net_device *dev, void *p)
{
	struct sockaddr *addr = p;
M
Michael Chan 已提交
6432
	struct bnx2 *bp = netdev_priv(dev);
6433

6434 6435 6436
	if (!is_valid_ether_addr(addr->sa_data))
		return -EINVAL;

6437 6438 6439 6440 6441 6442 6443 6444 6445 6446 6447
	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
	if (netif_running(dev))
		bnx2_set_mac_addr(bp);

	return 0;
}

/* Called with rtnl_lock */
static int
bnx2_change_mtu(struct net_device *dev, int new_mtu)
{
M
Michael Chan 已提交
6448
	struct bnx2 *bp = netdev_priv(dev);
6449 6450 6451 6452 6453 6454

	if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
		((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
		return -EINVAL;

	dev->mtu = new_mtu;
6455
	return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
6456 6457 6458 6459 6460 6461
}

#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
static void
poll_bnx2(struct net_device *dev)
{
M
Michael Chan 已提交
6462
	struct bnx2 *bp = netdev_priv(dev);
6463 6464

	disable_irq(bp->pdev->irq);
6465
	bnx2_interrupt(bp->pdev->irq, dev);
6466 6467 6468 6469
	enable_irq(bp->pdev->irq);
}
#endif

6470 6471 6472 6473 6474 6475 6476 6477 6478 6479 6480 6481 6482 6483 6484 6485 6486 6487 6488 6489 6490 6491 6492 6493 6494 6495 6496 6497 6498 6499 6500 6501 6502 6503 6504 6505 6506 6507
static void __devinit
bnx2_get_5709_media(struct bnx2 *bp)
{
	u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
	u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
	u32 strap;

	if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
		return;
	else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
		bp->phy_flags |= PHY_SERDES_FLAG;
		return;
	}

	if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
		strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
	else
		strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;

	if (PCI_FUNC(bp->pdev->devfn) == 0) {
		switch (strap) {
		case 0x4:
		case 0x5:
		case 0x6:
			bp->phy_flags |= PHY_SERDES_FLAG;
			return;
		}
	} else {
		switch (strap) {
		case 0x1:
		case 0x2:
		case 0x4:
			bp->phy_flags |= PHY_SERDES_FLAG;
			return;
		}
	}
}

6508 6509 6510 6511 6512 6513 6514 6515 6516 6517 6518 6519 6520 6521 6522 6523 6524 6525 6526 6527 6528 6529 6530 6531 6532 6533 6534 6535 6536 6537 6538 6539 6540 6541 6542 6543 6544 6545 6546 6547 6548 6549 6550 6551 6552 6553 6554 6555 6556 6557 6558 6559
static void __devinit
bnx2_get_pci_speed(struct bnx2 *bp)
{
	u32 reg;

	reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
	if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
		u32 clkreg;

		bp->flags |= PCIX_FLAG;

		clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);

		clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
		switch (clkreg) {
		case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
			bp->bus_speed_mhz = 133;
			break;

		case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
			bp->bus_speed_mhz = 100;
			break;

		case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
		case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
			bp->bus_speed_mhz = 66;
			break;

		case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
		case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
			bp->bus_speed_mhz = 50;
			break;

		case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
		case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
		case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
			bp->bus_speed_mhz = 33;
			break;
		}
	}
	else {
		if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
			bp->bus_speed_mhz = 66;
		else
			bp->bus_speed_mhz = 33;
	}

	if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
		bp->flags |= PCI_32BIT_FLAG;

}

6560 6561 6562 6563 6564
static int __devinit
bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
{
	struct bnx2 *bp;
	unsigned long mem_len;
6565
	int rc, i, j;
6566
	u32 reg;
6567
	u64 dma_mask, persist_dma_mask;
6568 6569

	SET_NETDEV_DEV(dev, &pdev->dev);
M
Michael Chan 已提交
6570
	bp = netdev_priv(dev);
6571 6572 6573 6574 6575 6576 6577

	bp->flags = 0;
	bp->phy_flags = 0;

	/* enable device (incl. PCI PM wakeup), and bus-mastering */
	rc = pci_enable_device(pdev);
	if (rc) {
6578
		dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n");
6579 6580 6581 6582
		goto err_out;
	}

	if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
6583
		dev_err(&pdev->dev,
6584
			"Cannot find PCI device base address, aborting.\n");
6585 6586 6587 6588 6589 6590
		rc = -ENODEV;
		goto err_out_disable;
	}

	rc = pci_request_regions(pdev, DRV_MODULE_NAME);
	if (rc) {
6591
		dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
6592 6593 6594 6595 6596 6597 6598
		goto err_out_disable;
	}

	pci_set_master(pdev);

	bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
	if (bp->pm_cap == 0) {
6599
		dev_err(&pdev->dev,
6600
			"Cannot find power management capability, aborting.\n");
6601 6602 6603 6604 6605 6606 6607 6608
		rc = -EIO;
		goto err_out_release;
	}

	bp->dev = dev;
	bp->pdev = pdev;

	spin_lock_init(&bp->phy_lock);
M
Michael Chan 已提交
6609
	spin_lock_init(&bp->indirect_lock);
D
David Howells 已提交
6610
	INIT_WORK(&bp->reset_task, bnx2_reset_task);
6611 6612

	dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
M
Michael Chan 已提交
6613
	mem_len = MB_GET_CID_ADDR(TX_TSS_CID + 1);
6614 6615 6616 6617 6618 6619
	dev->mem_end = dev->mem_start + mem_len;
	dev->irq = pdev->irq;

	bp->regview = ioremap_nocache(dev->base_addr, mem_len);

	if (!bp->regview) {
6620
		dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
6621 6622 6623 6624 6625 6626 6627 6628 6629 6630 6631 6632
		rc = -ENOMEM;
		goto err_out_release;
	}

	/* Configure byte swap and enable write to the reg_window registers.
	 * Rely on CPU to do target byte swapping on big endian systems
	 * The chip's target access swapping will not swap all accesses
	 */
	pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
			       BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
			       BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);

6633
	bnx2_set_power_state(bp, PCI_D0);
6634 6635 6636

	bp->chip_id = REG_RD(bp, BNX2_MISC_ID);

6637 6638 6639 6640 6641 6642 6643 6644 6645
	if (CHIP_NUM(bp) == CHIP_NUM_5709) {
		if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
			dev_err(&pdev->dev,
				"Cannot find PCIE capability, aborting.\n");
			rc = -EIO;
			goto err_out_unmap;
		}
		bp->flags |= PCIE_FLAG;
	} else {
M
Michael Chan 已提交
6646 6647 6648 6649 6650 6651 6652 6653 6654
		bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
		if (bp->pcix_cap == 0) {
			dev_err(&pdev->dev,
				"Cannot find PCIX capability, aborting.\n");
			rc = -EIO;
			goto err_out_unmap;
		}
	}

6655 6656 6657 6658 6659
	if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
		if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
			bp->flags |= MSI_CAP_FLAG;
	}

6660 6661 6662 6663 6664 6665 6666 6667 6668 6669 6670 6671 6672 6673 6674 6675 6676 6677 6678 6679
	/* 5708 cannot support DMA addresses > 40-bit.  */
	if (CHIP_NUM(bp) == CHIP_NUM_5708)
		persist_dma_mask = dma_mask = DMA_40BIT_MASK;
	else
		persist_dma_mask = dma_mask = DMA_64BIT_MASK;

	/* Configure DMA attributes. */
	if (pci_set_dma_mask(pdev, dma_mask) == 0) {
		dev->features |= NETIF_F_HIGHDMA;
		rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
		if (rc) {
			dev_err(&pdev->dev,
				"pci_set_consistent_dma_mask failed, aborting.\n");
			goto err_out_unmap;
		}
	} else if ((rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) != 0) {
		dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
		goto err_out_unmap;
	}

6680 6681
	if (!(bp->flags & PCIE_FLAG))
		bnx2_get_pci_speed(bp);
6682 6683 6684 6685 6686 6687 6688 6689 6690 6691

	/* 5706A0 may falsely detect SERR and PERR. */
	if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
		reg = REG_RD(bp, PCI_COMMAND);
		reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
		REG_WR(bp, PCI_COMMAND, reg);
	}
	else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
		!(bp->flags & PCIX_FLAG)) {

6692
		dev_err(&pdev->dev,
6693
			"5706 A1 can only be used in a PCIX bus, aborting.\n");
6694 6695 6696 6697 6698
		goto err_out_unmap;
	}

	bnx2_init_nvram(bp);

6699 6700 6701
	reg = REG_RD_IND(bp, BNX2_SHM_HDR_SIGNATURE);

	if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
6702 6703 6704 6705 6706
	    BNX2_SHM_HDR_SIGNATURE_SIG) {
		u32 off = PCI_FUNC(pdev->devfn) << 2;

		bp->shmem_base = REG_RD_IND(bp, BNX2_SHM_HDR_ADDR_0 + off);
	} else
6707 6708
		bp->shmem_base = HOST_VIEW_SHMEM_BASE;

6709 6710 6711
	/* Get the permanent MAC address.  First we need to make sure the
	 * firmware is actually running.
	 */
6712
	reg = REG_RD_IND(bp, bp->shmem_base + BNX2_DEV_INFO_SIGNATURE);
6713 6714 6715

	if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
	    BNX2_DEV_INFO_SIGNATURE_MAGIC) {
6716
		dev_err(&pdev->dev, "Firmware not running, aborting.\n");
6717 6718 6719 6720
		rc = -ENODEV;
		goto err_out_unmap;
	}

6721 6722 6723 6724 6725 6726 6727 6728 6729 6730 6731 6732 6733 6734
	reg = REG_RD_IND(bp, bp->shmem_base + BNX2_DEV_INFO_BC_REV);
	for (i = 0, j = 0; i < 3; i++) {
		u8 num, k, skip0;

		num = (u8) (reg >> (24 - (i * 8)));
		for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
			if (num >= k || !skip0 || k == 1) {
				bp->fw_version[j++] = (num / k) + '0';
				skip0 = 0;
			}
		}
		if (i != 2)
			bp->fw_version[j++] = '.';
	}
M
Michael Chan 已提交
6735 6736 6737 6738 6739
	reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_FEATURE);
	if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
		bp->wol = 1;

	if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
6740 6741 6742 6743 6744 6745 6746 6747 6748 6749
		bp->flags |= ASF_ENABLE_FLAG;

		for (i = 0; i < 30; i++) {
			reg = REG_RD_IND(bp, bp->shmem_base +
					     BNX2_BC_STATE_CONDITION);
			if (reg & BNX2_CONDITION_MFW_RUN_MASK)
				break;
			msleep(10);
		}
	}
6750 6751 6752 6753 6754 6755 6756 6757 6758 6759 6760 6761 6762 6763 6764
	reg = REG_RD_IND(bp, bp->shmem_base + BNX2_BC_STATE_CONDITION);
	reg &= BNX2_CONDITION_MFW_RUN_MASK;
	if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
	    reg != BNX2_CONDITION_MFW_RUN_NONE) {
		int i;
		u32 addr = REG_RD_IND(bp, bp->shmem_base + BNX2_MFW_VER_PTR);

		bp->fw_version[j++] = ' ';
		for (i = 0; i < 3; i++) {
			reg = REG_RD_IND(bp, addr + i * 4);
			reg = swab32(reg);
			memcpy(&bp->fw_version[j], &reg, 4);
			j += 4;
		}
	}
6765

6766
	reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_MAC_UPPER);
6767 6768 6769
	bp->mac_addr[0] = (u8) (reg >> 8);
	bp->mac_addr[1] = (u8) reg;

6770
	reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_MAC_LOWER);
6771 6772 6773 6774 6775
	bp->mac_addr[2] = (u8) (reg >> 24);
	bp->mac_addr[3] = (u8) (reg >> 16);
	bp->mac_addr[4] = (u8) (reg >> 8);
	bp->mac_addr[5] = (u8) reg;

6776 6777
	bp->rx_offset = sizeof(struct l2_fhdr) + 2;

6778
	bp->tx_ring_size = MAX_TX_DESC_CNT;
6779
	bnx2_set_rx_ring_size(bp, 255);
6780 6781 6782 6783 6784 6785 6786

	bp->rx_csum = 1;

	bp->tx_quick_cons_trip_int = 20;
	bp->tx_quick_cons_trip = 20;
	bp->tx_ticks_int = 80;
	bp->tx_ticks = 80;
6787

6788 6789 6790 6791 6792
	bp->rx_quick_cons_trip_int = 6;
	bp->rx_quick_cons_trip = 6;
	bp->rx_ticks_int = 18;
	bp->rx_ticks = 18;

6793
	bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
6794 6795

	bp->timer_interval =  HZ;
M
Michael Chan 已提交
6796
	bp->current_interval =  HZ;
6797

M
Michael Chan 已提交
6798 6799
	bp->phy_addr = 1;

6800
	/* Disable WOL support if we are running on a SERDES chip. */
6801 6802 6803
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		bnx2_get_5709_media(bp);
	else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
6804
		bp->phy_flags |= PHY_SERDES_FLAG;
M
Michael Chan 已提交
6805

6806
	bp->phy_port = PORT_TP;
M
Michael Chan 已提交
6807
	if (bp->phy_flags & PHY_SERDES_FLAG) {
6808
		bp->phy_port = PORT_FIBRE;
M
Michael Chan 已提交
6809 6810 6811 6812 6813 6814
		reg = REG_RD_IND(bp, bp->shmem_base +
				     BNX2_SHARED_HW_CFG_CONFIG);
		if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
			bp->flags |= NO_WOL_FLAG;
			bp->wol = 0;
		}
M
Michael Chan 已提交
6815
		if (CHIP_NUM(bp) != CHIP_NUM_5706) {
M
Michael Chan 已提交
6816 6817 6818 6819
			bp->phy_addr = 2;
			if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
				bp->phy_flags |= PHY_2_5G_CAPABLE_FLAG;
		}
6820 6821
		bnx2_init_remote_phy(bp);

6822 6823 6824
	} else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
		   CHIP_NUM(bp) == CHIP_NUM_5708)
		bp->phy_flags |= PHY_CRC_FIX_FLAG;
6825 6826 6827
	else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
		 (CHIP_REV(bp) == CHIP_REV_Ax ||
		  CHIP_REV(bp) == CHIP_REV_Bx))
6828
		bp->phy_flags |= PHY_DIS_EARLY_DAC_FLAG;
6829

6830 6831
	if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
	    (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
M
Michael Chan 已提交
6832
	    (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
M
Michael Chan 已提交
6833
		bp->flags |= NO_WOL_FLAG;
M
Michael Chan 已提交
6834 6835
		bp->wol = 0;
	}
M
Michael Chan 已提交
6836

6837 6838 6839 6840 6841 6842 6843 6844 6845 6846 6847 6848
	if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
		bp->tx_quick_cons_trip_int =
			bp->tx_quick_cons_trip;
		bp->tx_ticks_int = bp->tx_ticks;
		bp->rx_quick_cons_trip_int =
			bp->rx_quick_cons_trip;
		bp->rx_ticks_int = bp->rx_ticks;
		bp->comp_prod_trip_int = bp->comp_prod_trip;
		bp->com_ticks_int = bp->com_ticks;
		bp->cmd_ticks_int = bp->cmd_ticks;
	}

6849 6850 6851 6852 6853 6854 6855 6856
	/* Disable MSI on 5706 if AMD 8132 bridge is found.
	 *
	 * MSI is defined to be 32-bit write.  The 5706 does 64-bit MSI writes
	 * with byte enables disabled on the unused 32-bit word.  This is legal
	 * but causes problems on the AMD 8132 which will eventually stop
	 * responding after a while.
	 *
	 * AMD believes this incompatibility is unique to the 5706, and
6857
	 * prefers to locally disable MSI rather than globally disabling it.
6858 6859 6860 6861 6862 6863 6864 6865
	 */
	if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
		struct pci_dev *amd_8132 = NULL;

		while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
						  PCI_DEVICE_ID_AMD_8132_BRIDGE,
						  amd_8132))) {

6866 6867
			if (amd_8132->revision >= 0x10 &&
			    amd_8132->revision <= 0x13) {
6868 6869 6870 6871 6872 6873 6874
				disable_msi = 1;
				pci_dev_put(amd_8132);
				break;
			}
		}
	}

6875
	bnx2_set_default_link(bp);
6876 6877
	bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;

M
Michael Chan 已提交
6878 6879 6880 6881 6882
	init_timer(&bp->timer);
	bp->timer.expires = RUN_AT(bp->timer_interval);
	bp->timer.data = (unsigned long) bp;
	bp->timer.function = bnx2_timer;

6883 6884 6885 6886 6887
	return 0;

err_out_unmap:
	if (bp->regview) {
		iounmap(bp->regview);
6888
		bp->regview = NULL;
6889 6890 6891 6892 6893 6894 6895 6896 6897 6898 6899 6900 6901
	}

err_out_release:
	pci_release_regions(pdev);

err_out_disable:
	pci_disable_device(pdev);
	pci_set_drvdata(pdev, NULL);

err_out:
	return rc;
}

6902 6903 6904 6905 6906 6907 6908 6909 6910 6911 6912 6913 6914 6915 6916 6917 6918 6919 6920 6921
static char * __devinit
bnx2_bus_string(struct bnx2 *bp, char *str)
{
	char *s = str;

	if (bp->flags & PCIE_FLAG) {
		s += sprintf(s, "PCI Express");
	} else {
		s += sprintf(s, "PCI");
		if (bp->flags & PCIX_FLAG)
			s += sprintf(s, "-X");
		if (bp->flags & PCI_32BIT_FLAG)
			s += sprintf(s, " 32-bit");
		else
			s += sprintf(s, " 64-bit");
		s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
	}
	return str;
}

6922 6923 6924 6925 6926 6927
static int __devinit
bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{
	static int version_printed = 0;
	struct net_device *dev = NULL;
	struct bnx2 *bp;
6928
	int rc;
6929
	char str[40];
6930
	DECLARE_MAC_BUF(mac);
6931 6932 6933 6934 6935 6936 6937 6938 6939 6940 6941 6942 6943 6944 6945 6946 6947 6948 6949 6950 6951 6952 6953 6954 6955 6956 6957 6958 6959 6960 6961

	if (version_printed++ == 0)
		printk(KERN_INFO "%s", version);

	/* dev zeroed in init_etherdev */
	dev = alloc_etherdev(sizeof(*bp));

	if (!dev)
		return -ENOMEM;

	rc = bnx2_init_board(pdev, dev);
	if (rc < 0) {
		free_netdev(dev);
		return rc;
	}

	dev->open = bnx2_open;
	dev->hard_start_xmit = bnx2_start_xmit;
	dev->stop = bnx2_close;
	dev->get_stats = bnx2_get_stats;
	dev->set_multicast_list = bnx2_set_rx_mode;
	dev->do_ioctl = bnx2_ioctl;
	dev->set_mac_address = bnx2_change_mac_addr;
	dev->change_mtu = bnx2_change_mtu;
	dev->tx_timeout = bnx2_tx_timeout;
	dev->watchdog_timeo = TX_TIMEOUT;
#ifdef BCM_VLAN
	dev->vlan_rx_register = bnx2_vlan_rx_register;
#endif
	dev->ethtool_ops = &bnx2_ethtool_ops;

M
Michael Chan 已提交
6962
	bp = netdev_priv(dev);
6963
	netif_napi_add(dev, &bp->napi, bnx2_poll, 64);
6964 6965 6966 6967 6968

#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
	dev->poll_controller = poll_bnx2;
#endif

6969 6970 6971 6972 6973 6974
	pci_set_drvdata(pdev, dev);

	memcpy(dev->dev_addr, bp->mac_addr, 6);
	memcpy(dev->perm_addr, bp->mac_addr, 6);
	bp->name = board_info[ent->driver_data].name;

6975
	dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
6976
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
6977 6978
		dev->features |= NETIF_F_IPV6_CSUM;

6979 6980 6981 6982
#ifdef BCM_VLAN
	dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
#endif
	dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
6983 6984
	if (CHIP_NUM(bp) == CHIP_NUM_5709)
		dev->features |= NETIF_F_TSO6;
6985

6986
	if ((rc = register_netdev(dev))) {
6987
		dev_err(&pdev->dev, "Cannot register net device\n");
6988 6989 6990 6991 6992 6993 6994 6995 6996
		if (bp->regview)
			iounmap(bp->regview);
		pci_release_regions(pdev);
		pci_disable_device(pdev);
		pci_set_drvdata(pdev, NULL);
		free_netdev(dev);
		return rc;
	}

6997
	printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
6998
		"IRQ %d, node addr %s\n",
6999 7000 7001 7002
		dev->name,
		bp->name,
		((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
		((CHIP_ID(bp) & 0x0ff0) >> 4),
7003
		bnx2_bus_string(bp, str),
7004
		dev->base_addr,
7005
		bp->pdev->irq, print_mac(mac, dev->dev_addr));
7006 7007 7008 7009 7010 7011 7012 7013

	return 0;
}

static void __devexit
bnx2_remove_one(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
M
Michael Chan 已提交
7014
	struct bnx2 *bp = netdev_priv(dev);
7015

7016 7017
	flush_scheduled_work();

7018 7019 7020 7021 7022 7023 7024 7025 7026 7027 7028 7029
	unregister_netdev(dev);

	if (bp->regview)
		iounmap(bp->regview);

	free_netdev(dev);
	pci_release_regions(pdev);
	pci_disable_device(pdev);
	pci_set_drvdata(pdev, NULL);
}

static int
7030
bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
7031 7032
{
	struct net_device *dev = pci_get_drvdata(pdev);
M
Michael Chan 已提交
7033
	struct bnx2 *bp = netdev_priv(dev);
7034 7035
	u32 reset_code;

7036 7037 7038 7039 7040
	/* PCI register 4 needs to be saved whether netif_running() or not.
	 * MSI address and data need to be saved if using MSI and
	 * netif_running().
	 */
	pci_save_state(pdev);
7041 7042 7043
	if (!netif_running(dev))
		return 0;

M
Michael Chan 已提交
7044
	flush_scheduled_work();
7045 7046 7047
	bnx2_netif_stop(bp);
	netif_device_detach(dev);
	del_timer_sync(&bp->timer);
M
Michael Chan 已提交
7048
	if (bp->flags & NO_WOL_FLAG)
7049
		reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
M
Michael Chan 已提交
7050
	else if (bp->wol)
7051 7052 7053 7054 7055
		reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
	else
		reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
	bnx2_reset_chip(bp, reset_code);
	bnx2_free_skbs(bp);
7056
	bnx2_set_power_state(bp, pci_choose_state(pdev, state));
7057 7058 7059 7060 7061 7062 7063
	return 0;
}

static int
bnx2_resume(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
M
Michael Chan 已提交
7064
	struct bnx2 *bp = netdev_priv(dev);
7065

7066
	pci_restore_state(pdev);
7067 7068 7069
	if (!netif_running(dev))
		return 0;

7070
	bnx2_set_power_state(bp, PCI_D0);
7071 7072 7073 7074 7075 7076 7077
	netif_device_attach(dev);
	bnx2_init_nic(bp);
	bnx2_netif_start(bp);
	return 0;
}

static struct pci_driver bnx2_pci_driver = {
7078 7079 7080 7081 7082 7083
	.name		= DRV_MODULE_NAME,
	.id_table	= bnx2_pci_tbl,
	.probe		= bnx2_init_one,
	.remove		= __devexit_p(bnx2_remove_one),
	.suspend	= bnx2_suspend,
	.resume		= bnx2_resume,
7084 7085 7086 7087
};

static int __init bnx2_init(void)
{
7088
	return pci_register_driver(&bnx2_pci_driver);
7089 7090 7091 7092 7093 7094 7095 7096 7097 7098 7099 7100
}

static void __exit bnx2_cleanup(void)
{
	pci_unregister_driver(&bnx2_pci_driver);
}

module_init(bnx2_init);
module_exit(bnx2_cleanup);