ucc_geth.c 122.0 KB
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/*
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 * Copyright (C) 2006-2007 Freescale Semicondutor, Inc. All rights reserved.
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 *
 * Author: Shlomi Gridish <gridish@freescale.com>
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 *	   Li Yang <leoli@freescale.com>
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 *
 * Description:
 * QE UCC Gigabit Ethernet Driver
 *
 * 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;  either version 2 of the  License, or (at your
 * option) any later version.
 */
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/stddef.h>
#include <linux/interrupt.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/spinlock.h>
#include <linux/mm.h>
#include <linux/dma-mapping.h>
#include <linux/fsl_devices.h>
#include <linux/mii.h>
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#include <linux/phy.h>
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#include <linux/workqueue.h>
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#include <linux/of_platform.h>
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#include <asm/uaccess.h>
#include <asm/irq.h>
#include <asm/io.h>
#include <asm/immap_qe.h>
#include <asm/qe.h>
#include <asm/ucc.h>
#include <asm/ucc_fast.h>

#include "ucc_geth.h"
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#include "ucc_geth_mii.h"
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#undef DEBUG

#define ugeth_printk(level, format, arg...)  \
        printk(level format "\n", ## arg)

#define ugeth_dbg(format, arg...)            \
        ugeth_printk(KERN_DEBUG , format , ## arg)
#define ugeth_err(format, arg...)            \
        ugeth_printk(KERN_ERR , format , ## arg)
#define ugeth_info(format, arg...)           \
        ugeth_printk(KERN_INFO , format , ## arg)
#define ugeth_warn(format, arg...)           \
        ugeth_printk(KERN_WARNING , format , ## arg)

#ifdef UGETH_VERBOSE_DEBUG
#define ugeth_vdbg ugeth_dbg
#else
#define ugeth_vdbg(fmt, args...) do { } while (0)
#endif				/* UGETH_VERBOSE_DEBUG */
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#define UGETH_MSG_DEFAULT	(NETIF_MSG_IFUP << 1 ) - 1
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static DEFINE_SPINLOCK(ugeth_lock);

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static struct {
	u32 msg_enable;
} debug = { -1 };

module_param_named(debug, debug.msg_enable, int, 0);
MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 0xffff=all)");

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static struct ucc_geth_info ugeth_primary_info = {
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	.uf_info = {
		    .bd_mem_part = MEM_PART_SYSTEM,
		    .rtsm = UCC_FAST_SEND_IDLES_BETWEEN_FRAMES,
		    .max_rx_buf_length = 1536,
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		    /* adjusted at startup if max-speed 1000 */
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		    .urfs = UCC_GETH_URFS_INIT,
		    .urfet = UCC_GETH_URFET_INIT,
		    .urfset = UCC_GETH_URFSET_INIT,
		    .utfs = UCC_GETH_UTFS_INIT,
		    .utfet = UCC_GETH_UTFET_INIT,
		    .utftt = UCC_GETH_UTFTT_INIT,
		    .ufpt = 256,
		    .mode = UCC_FAST_PROTOCOL_MODE_ETHERNET,
		    .ttx_trx = UCC_FAST_GUMR_TRANSPARENT_TTX_TRX_NORMAL,
		    .tenc = UCC_FAST_TX_ENCODING_NRZ,
		    .renc = UCC_FAST_RX_ENCODING_NRZ,
		    .tcrc = UCC_FAST_16_BIT_CRC,
		    .synl = UCC_FAST_SYNC_LEN_NOT_USED,
		    },
	.numQueuesTx = 1,
	.numQueuesRx = 1,
	.extendedFilteringChainPointer = ((uint32_t) NULL),
	.typeorlen = 3072 /*1536 */ ,
	.nonBackToBackIfgPart1 = 0x40,
	.nonBackToBackIfgPart2 = 0x60,
	.miminumInterFrameGapEnforcement = 0x50,
	.backToBackInterFrameGap = 0x60,
	.mblinterval = 128,
	.nortsrbytetime = 5,
	.fracsiz = 1,
	.strictpriorityq = 0xff,
	.altBebTruncation = 0xa,
	.excessDefer = 1,
	.maxRetransmission = 0xf,
	.collisionWindow = 0x37,
	.receiveFlowControl = 1,
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	.transmitFlowControl = 1,
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	.maxGroupAddrInHash = 4,
	.maxIndAddrInHash = 4,
	.prel = 7,
	.maxFrameLength = 1518,
	.minFrameLength = 64,
	.maxD1Length = 1520,
	.maxD2Length = 1520,
	.vlantype = 0x8100,
	.ecamptr = ((uint32_t) NULL),
	.eventRegMask = UCCE_OTHER,
	.pausePeriod = 0xf000,
	.interruptcoalescingmaxvalue = {1, 1, 1, 1, 1, 1, 1, 1},
	.bdRingLenTx = {
			TX_BD_RING_LEN,
			TX_BD_RING_LEN,
			TX_BD_RING_LEN,
			TX_BD_RING_LEN,
			TX_BD_RING_LEN,
			TX_BD_RING_LEN,
			TX_BD_RING_LEN,
			TX_BD_RING_LEN},

	.bdRingLenRx = {
			RX_BD_RING_LEN,
			RX_BD_RING_LEN,
			RX_BD_RING_LEN,
			RX_BD_RING_LEN,
			RX_BD_RING_LEN,
			RX_BD_RING_LEN,
			RX_BD_RING_LEN,
			RX_BD_RING_LEN},

	.numStationAddresses = UCC_GETH_NUM_OF_STATION_ADDRESSES_1,
	.largestexternallookupkeysize =
	    QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE,
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	.statisticsMode = UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE |
		UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX |
		UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX,
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	.vlanOperationTagged = UCC_GETH_VLAN_OPERATION_TAGGED_NOP,
	.vlanOperationNonTagged = UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP,
	.rxQoSMode = UCC_GETH_QOS_MODE_DEFAULT,
	.aufc = UPSMR_AUTOMATIC_FLOW_CONTROL_MODE_NONE,
	.padAndCrc = MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC,
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	.numThreadsTx = UCC_GETH_NUM_OF_THREADS_1,
	.numThreadsRx = UCC_GETH_NUM_OF_THREADS_1,
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	.riscTx = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
	.riscRx = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
};

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static struct ucc_geth_info ugeth_info[8];
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#ifdef DEBUG
static void mem_disp(u8 *addr, int size)
{
	u8 *i;
	int size16Aling = (size >> 4) << 4;
	int size4Aling = (size >> 2) << 2;
	int notAlign = 0;
	if (size % 16)
		notAlign = 1;

	for (i = addr; (u32) i < (u32) addr + size16Aling; i += 16)
		printk("0x%08x: %08x %08x %08x %08x\r\n",
		       (u32) i,
		       *((u32 *) (i)),
		       *((u32 *) (i + 4)),
		       *((u32 *) (i + 8)), *((u32 *) (i + 12)));
	if (notAlign == 1)
		printk("0x%08x: ", (u32) i);
	for (; (u32) i < (u32) addr + size4Aling; i += 4)
		printk("%08x ", *((u32 *) (i)));
	for (; (u32) i < (u32) addr + size; i++)
		printk("%02x", *((u8 *) (i)));
	if (notAlign == 1)
		printk("\r\n");
}
#endif /* DEBUG */

#ifdef CONFIG_UGETH_FILTERING
static void enqueue(struct list_head *node, struct list_head *lh)
{
	unsigned long flags;

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	spin_lock_irqsave(&ugeth_lock, flags);
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	list_add_tail(node, lh);
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	spin_unlock_irqrestore(&ugeth_lock, flags);
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}
#endif /* CONFIG_UGETH_FILTERING */

static struct list_head *dequeue(struct list_head *lh)
{
	unsigned long flags;

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	spin_lock_irqsave(&ugeth_lock, flags);
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	if (!list_empty(lh)) {
		struct list_head *node = lh->next;
		list_del(node);
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		spin_unlock_irqrestore(&ugeth_lock, flags);
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		return node;
	} else {
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		spin_unlock_irqrestore(&ugeth_lock, flags);
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		return NULL;
	}
}

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static struct sk_buff *get_new_skb(struct ucc_geth_private *ugeth,
		u8 __iomem *bd)
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{
	struct sk_buff *skb = NULL;

	skb = dev_alloc_skb(ugeth->ug_info->uf_info.max_rx_buf_length +
				  UCC_GETH_RX_DATA_BUF_ALIGNMENT);

	if (skb == NULL)
		return NULL;

	/* We need the data buffer to be aligned properly.  We will reserve
	 * as many bytes as needed to align the data properly
	 */
	skb_reserve(skb,
		    UCC_GETH_RX_DATA_BUF_ALIGNMENT -
		    (((unsigned)skb->data) & (UCC_GETH_RX_DATA_BUF_ALIGNMENT -
					      1)));

	skb->dev = ugeth->dev;

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	out_be32(&((struct qe_bd __iomem *)bd)->buf,
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		      dma_map_single(&ugeth->dev->dev,
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				     skb->data,
				     ugeth->ug_info->uf_info.max_rx_buf_length +
				     UCC_GETH_RX_DATA_BUF_ALIGNMENT,
				     DMA_FROM_DEVICE));

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	out_be32((u32 __iomem *)bd,
			(R_E | R_I | (in_be32((u32 __iomem*)bd) & R_W)));
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	return skb;
}

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static int rx_bd_buffer_set(struct ucc_geth_private *ugeth, u8 rxQ)
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{
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	u8 __iomem *bd;
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	u32 bd_status;
	struct sk_buff *skb;
	int i;

	bd = ugeth->p_rx_bd_ring[rxQ];
	i = 0;

	do {
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		bd_status = in_be32((u32 __iomem *)bd);
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		skb = get_new_skb(ugeth, bd);

		if (!skb)	/* If can not allocate data buffer,
				abort. Cleanup will be elsewhere */
			return -ENOMEM;

		ugeth->rx_skbuff[rxQ][i] = skb;

		/* advance the BD pointer */
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		bd += sizeof(struct qe_bd);
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		i++;
	} while (!(bd_status & R_W));

	return 0;
}

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static int fill_init_enet_entries(struct ucc_geth_private *ugeth,
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				  u32 *p_start,
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				  u8 num_entries,
				  u32 thread_size,
				  u32 thread_alignment,
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				  enum qe_risc_allocation risc,
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				  int skip_page_for_first_entry)
{
	u32 init_enet_offset;
	u8 i;
	int snum;

	for (i = 0; i < num_entries; i++) {
		if ((snum = qe_get_snum()) < 0) {
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			if (netif_msg_ifup(ugeth))
				ugeth_err("fill_init_enet_entries: Can not get SNUM.");
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			return snum;
		}
		if ((i == 0) && skip_page_for_first_entry)
		/* First entry of Rx does not have page */
			init_enet_offset = 0;
		else {
			init_enet_offset =
			    qe_muram_alloc(thread_size, thread_alignment);
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			if (IS_ERR_VALUE(init_enet_offset)) {
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				if (netif_msg_ifup(ugeth))
					ugeth_err("fill_init_enet_entries: Can not allocate DPRAM memory.");
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				qe_put_snum((u8) snum);
				return -ENOMEM;
			}
		}
		*(p_start++) =
		    ((u8) snum << ENET_INIT_PARAM_SNUM_SHIFT) | init_enet_offset
		    | risc;
	}

	return 0;
}

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static int return_init_enet_entries(struct ucc_geth_private *ugeth,
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				    u32 *p_start,
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				    u8 num_entries,
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				    enum qe_risc_allocation risc,
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				    int skip_page_for_first_entry)
{
	u32 init_enet_offset;
	u8 i;
	int snum;

	for (i = 0; i < num_entries; i++) {
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		u32 val = *p_start;

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		/* Check that this entry was actually valid --
		needed in case failed in allocations */
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		if ((val & ENET_INIT_PARAM_RISC_MASK) == risc) {
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			snum =
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			    (u32) (val & ENET_INIT_PARAM_SNUM_MASK) >>
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			    ENET_INIT_PARAM_SNUM_SHIFT;
			qe_put_snum((u8) snum);
			if (!((i == 0) && skip_page_for_first_entry)) {
			/* First entry of Rx does not have page */
				init_enet_offset =
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				    (val & ENET_INIT_PARAM_PTR_MASK);
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				qe_muram_free(init_enet_offset);
			}
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			*p_start++ = 0;
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		}
	}

	return 0;
}

#ifdef DEBUG
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static int dump_init_enet_entries(struct ucc_geth_private *ugeth,
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				  u32 __iomem *p_start,
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				  u8 num_entries,
				  u32 thread_size,
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				  enum qe_risc_allocation risc,
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				  int skip_page_for_first_entry)
{
	u32 init_enet_offset;
	u8 i;
	int snum;

	for (i = 0; i < num_entries; i++) {
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		u32 val = in_be32(p_start);

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		/* Check that this entry was actually valid --
		needed in case failed in allocations */
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		if ((val & ENET_INIT_PARAM_RISC_MASK) == risc) {
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			snum =
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			    (u32) (val & ENET_INIT_PARAM_SNUM_MASK) >>
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			    ENET_INIT_PARAM_SNUM_SHIFT;
			qe_put_snum((u8) snum);
			if (!((i == 0) && skip_page_for_first_entry)) {
			/* First entry of Rx does not have page */
				init_enet_offset =
				    (in_be32(p_start) &
				     ENET_INIT_PARAM_PTR_MASK);
				ugeth_info("Init enet entry %d:", i);
				ugeth_info("Base address: 0x%08x",
					   (u32)
					   qe_muram_addr(init_enet_offset));
				mem_disp(qe_muram_addr(init_enet_offset),
					 thread_size);
			}
			p_start++;
		}
	}

	return 0;
}
#endif

#ifdef CONFIG_UGETH_FILTERING
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static struct enet_addr_container *get_enet_addr_container(void)
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{
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	struct enet_addr_container *enet_addr_cont;
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	/* allocate memory */
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	enet_addr_cont = kmalloc(sizeof(struct enet_addr_container), GFP_KERNEL);
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	if (!enet_addr_cont) {
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		ugeth_err("%s: No memory for enet_addr_container object.",
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			  __func__);
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		return NULL;
	}

	return enet_addr_cont;
}
#endif /* CONFIG_UGETH_FILTERING */

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static void put_enet_addr_container(struct enet_addr_container *enet_addr_cont)
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{
	kfree(enet_addr_cont);
}

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static void set_mac_addr(__be16 __iomem *reg, u8 *mac)
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{
	out_be16(&reg[0], ((u16)mac[5] << 8) | mac[4]);
	out_be16(&reg[1], ((u16)mac[3] << 8) | mac[2]);
	out_be16(&reg[2], ((u16)mac[1] << 8) | mac[0]);
}

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#ifdef CONFIG_UGETH_FILTERING
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static int hw_add_addr_in_paddr(struct ucc_geth_private *ugeth,
                                u8 *p_enet_addr, u8 paddr_num)
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{
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	struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt;
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	if (!(paddr_num < NUM_OF_PADDRS)) {
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		ugeth_warn("%s: Illegal paddr_num.", __func__);
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		return -EINVAL;
	}

	p_82xx_addr_filt =
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	    (struct ucc_geth_82xx_address_filtering_pram *) ugeth->p_rx_glbl_pram->
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	    addressfiltering;

	/* Ethernet frames are defined in Little Endian mode,    */
	/* therefore to insert the address we reverse the bytes. */
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	set_mac_addr(&p_82xx_addr_filt->paddr[paddr_num].h, p_enet_addr);
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	return 0;
}
#endif /* CONFIG_UGETH_FILTERING */

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static int hw_clear_addr_in_paddr(struct ucc_geth_private *ugeth, u8 paddr_num)
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{
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	struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
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	if (!(paddr_num < NUM_OF_PADDRS)) {
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		ugeth_warn("%s: Illagel paddr_num.", __func__);
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		return -EINVAL;
	}

	p_82xx_addr_filt =
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	    (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->p_rx_glbl_pram->
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	    addressfiltering;

	/* Writing address ff.ff.ff.ff.ff.ff disables address
	recognition for this register */
	out_be16(&p_82xx_addr_filt->paddr[paddr_num].h, 0xffff);
	out_be16(&p_82xx_addr_filt->paddr[paddr_num].m, 0xffff);
	out_be16(&p_82xx_addr_filt->paddr[paddr_num].l, 0xffff);

	return 0;
}

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static void hw_add_addr_in_hash(struct ucc_geth_private *ugeth,
                                u8 *p_enet_addr)
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{
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	struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
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	u32 cecr_subblock;

	p_82xx_addr_filt =
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	    (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->p_rx_glbl_pram->
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	    addressfiltering;

	cecr_subblock =
	    ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);

	/* Ethernet frames are defined in Little Endian mode,
	therefor to insert */
	/* the address to the hash (Big Endian mode), we reverse the bytes.*/
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	set_mac_addr(&p_82xx_addr_filt->taddr.h, p_enet_addr);
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	qe_issue_cmd(QE_SET_GROUP_ADDRESS, cecr_subblock,
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		     QE_CR_PROTOCOL_ETHERNET, 0);
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}

#ifdef CONFIG_UGETH_MAGIC_PACKET
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static void magic_packet_detection_enable(struct ucc_geth_private *ugeth)
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{
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	struct ucc_fast_private *uccf;
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	struct ucc_geth __iomem *ug_regs;
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	u32 maccfg2, uccm;

	uccf = ugeth->uccf;
	ug_regs = ugeth->ug_regs;

	/* Enable interrupts for magic packet detection */
	uccm = in_be32(uccf->p_uccm);
	uccm |= UCCE_MPD;
	out_be32(uccf->p_uccm, uccm);

	/* Enable magic packet detection */
	maccfg2 = in_be32(&ug_regs->maccfg2);
	maccfg2 |= MACCFG2_MPE;
	out_be32(&ug_regs->maccfg2, maccfg2);
}

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static void magic_packet_detection_disable(struct ucc_geth_private *ugeth)
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{
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	struct ucc_fast_private *uccf;
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	struct ucc_geth __iomem *ug_regs;
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	u32 maccfg2, uccm;

	uccf = ugeth->uccf;
	ug_regs = ugeth->ug_regs;

	/* Disable interrupts for magic packet detection */
	uccm = in_be32(uccf->p_uccm);
	uccm &= ~UCCE_MPD;
	out_be32(uccf->p_uccm, uccm);

	/* Disable magic packet detection */
	maccfg2 = in_be32(&ug_regs->maccfg2);
	maccfg2 &= ~MACCFG2_MPE;
	out_be32(&ug_regs->maccfg2, maccfg2);
}
#endif /* MAGIC_PACKET */

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static inline int compare_addr(u8 **addr1, u8 **addr2)
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{
	return memcmp(addr1, addr2, ENET_NUM_OCTETS_PER_ADDRESS);
}

#ifdef DEBUG
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static void get_statistics(struct ucc_geth_private *ugeth,
			   struct ucc_geth_tx_firmware_statistics *
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			   tx_firmware_statistics,
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			   struct ucc_geth_rx_firmware_statistics *
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			   rx_firmware_statistics,
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			   struct ucc_geth_hardware_statistics *hardware_statistics)
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{
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	struct ucc_fast __iomem *uf_regs;
	struct ucc_geth __iomem *ug_regs;
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	struct ucc_geth_tx_firmware_statistics_pram *p_tx_fw_statistics_pram;
	struct ucc_geth_rx_firmware_statistics_pram *p_rx_fw_statistics_pram;
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	ug_regs = ugeth->ug_regs;
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	uf_regs = (struct ucc_fast __iomem *) ug_regs;
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	p_tx_fw_statistics_pram = ugeth->p_tx_fw_statistics_pram;
	p_rx_fw_statistics_pram = ugeth->p_rx_fw_statistics_pram;

	/* Tx firmware only if user handed pointer and driver actually
	gathers Tx firmware statistics */
	if (tx_firmware_statistics && p_tx_fw_statistics_pram) {
		tx_firmware_statistics->sicoltx =
		    in_be32(&p_tx_fw_statistics_pram->sicoltx);
		tx_firmware_statistics->mulcoltx =
		    in_be32(&p_tx_fw_statistics_pram->mulcoltx);
		tx_firmware_statistics->latecoltxfr =
		    in_be32(&p_tx_fw_statistics_pram->latecoltxfr);
		tx_firmware_statistics->frabortduecol =
		    in_be32(&p_tx_fw_statistics_pram->frabortduecol);
		tx_firmware_statistics->frlostinmactxer =
		    in_be32(&p_tx_fw_statistics_pram->frlostinmactxer);
		tx_firmware_statistics->carriersenseertx =
		    in_be32(&p_tx_fw_statistics_pram->carriersenseertx);
		tx_firmware_statistics->frtxok =
		    in_be32(&p_tx_fw_statistics_pram->frtxok);
		tx_firmware_statistics->txfrexcessivedefer =
		    in_be32(&p_tx_fw_statistics_pram->txfrexcessivedefer);
		tx_firmware_statistics->txpkts256 =
		    in_be32(&p_tx_fw_statistics_pram->txpkts256);
		tx_firmware_statistics->txpkts512 =
		    in_be32(&p_tx_fw_statistics_pram->txpkts512);
		tx_firmware_statistics->txpkts1024 =
		    in_be32(&p_tx_fw_statistics_pram->txpkts1024);
		tx_firmware_statistics->txpktsjumbo =
		    in_be32(&p_tx_fw_statistics_pram->txpktsjumbo);
	}

	/* Rx firmware only if user handed pointer and driver actually
	 * gathers Rx firmware statistics */
	if (rx_firmware_statistics && p_rx_fw_statistics_pram) {
		int i;
		rx_firmware_statistics->frrxfcser =
		    in_be32(&p_rx_fw_statistics_pram->frrxfcser);
		rx_firmware_statistics->fraligner =
		    in_be32(&p_rx_fw_statistics_pram->fraligner);
		rx_firmware_statistics->inrangelenrxer =
		    in_be32(&p_rx_fw_statistics_pram->inrangelenrxer);
		rx_firmware_statistics->outrangelenrxer =
		    in_be32(&p_rx_fw_statistics_pram->outrangelenrxer);
		rx_firmware_statistics->frtoolong =
		    in_be32(&p_rx_fw_statistics_pram->frtoolong);
		rx_firmware_statistics->runt =
		    in_be32(&p_rx_fw_statistics_pram->runt);
		rx_firmware_statistics->verylongevent =
		    in_be32(&p_rx_fw_statistics_pram->verylongevent);
		rx_firmware_statistics->symbolerror =
		    in_be32(&p_rx_fw_statistics_pram->symbolerror);
		rx_firmware_statistics->dropbsy =
		    in_be32(&p_rx_fw_statistics_pram->dropbsy);
		for (i = 0; i < 0x8; i++)
			rx_firmware_statistics->res0[i] =
			    p_rx_fw_statistics_pram->res0[i];
		rx_firmware_statistics->mismatchdrop =
		    in_be32(&p_rx_fw_statistics_pram->mismatchdrop);
		rx_firmware_statistics->underpkts =
		    in_be32(&p_rx_fw_statistics_pram->underpkts);
		rx_firmware_statistics->pkts256 =
		    in_be32(&p_rx_fw_statistics_pram->pkts256);
		rx_firmware_statistics->pkts512 =
		    in_be32(&p_rx_fw_statistics_pram->pkts512);
		rx_firmware_statistics->pkts1024 =
		    in_be32(&p_rx_fw_statistics_pram->pkts1024);
		rx_firmware_statistics->pktsjumbo =
		    in_be32(&p_rx_fw_statistics_pram->pktsjumbo);
		rx_firmware_statistics->frlossinmacer =
		    in_be32(&p_rx_fw_statistics_pram->frlossinmacer);
		rx_firmware_statistics->pausefr =
		    in_be32(&p_rx_fw_statistics_pram->pausefr);
		for (i = 0; i < 0x4; i++)
			rx_firmware_statistics->res1[i] =
			    p_rx_fw_statistics_pram->res1[i];
		rx_firmware_statistics->removevlan =
		    in_be32(&p_rx_fw_statistics_pram->removevlan);
		rx_firmware_statistics->replacevlan =
		    in_be32(&p_rx_fw_statistics_pram->replacevlan);
		rx_firmware_statistics->insertvlan =
		    in_be32(&p_rx_fw_statistics_pram->insertvlan);
	}

	/* Hardware only if user handed pointer and driver actually
	gathers hardware statistics */
	if (hardware_statistics && (in_be32(&uf_regs->upsmr) & UPSMR_HSE)) {
		hardware_statistics->tx64 = in_be32(&ug_regs->tx64);
		hardware_statistics->tx127 = in_be32(&ug_regs->tx127);
		hardware_statistics->tx255 = in_be32(&ug_regs->tx255);
		hardware_statistics->rx64 = in_be32(&ug_regs->rx64);
		hardware_statistics->rx127 = in_be32(&ug_regs->rx127);
		hardware_statistics->rx255 = in_be32(&ug_regs->rx255);
		hardware_statistics->txok = in_be32(&ug_regs->txok);
		hardware_statistics->txcf = in_be16(&ug_regs->txcf);
		hardware_statistics->tmca = in_be32(&ug_regs->tmca);
		hardware_statistics->tbca = in_be32(&ug_regs->tbca);
		hardware_statistics->rxfok = in_be32(&ug_regs->rxfok);
		hardware_statistics->rxbok = in_be32(&ug_regs->rxbok);
		hardware_statistics->rbyt = in_be32(&ug_regs->rbyt);
		hardware_statistics->rmca = in_be32(&ug_regs->rmca);
		hardware_statistics->rbca = in_be32(&ug_regs->rbca);
	}
}

657
static void dump_bds(struct ucc_geth_private *ugeth)
658 659 660 661 662 663 664 665
{
	int i;
	int length;

	for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
		if (ugeth->p_tx_bd_ring[i]) {
			length =
			    (ugeth->ug_info->bdRingLenTx[i] *
666
			     sizeof(struct qe_bd));
667 668 669 670 671 672 673 674
			ugeth_info("TX BDs[%d]", i);
			mem_disp(ugeth->p_tx_bd_ring[i], length);
		}
	}
	for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
		if (ugeth->p_rx_bd_ring[i]) {
			length =
			    (ugeth->ug_info->bdRingLenRx[i] *
675
			     sizeof(struct qe_bd));
676 677 678 679 680 681
			ugeth_info("RX BDs[%d]", i);
			mem_disp(ugeth->p_rx_bd_ring[i], length);
		}
	}
}

682
static void dump_regs(struct ucc_geth_private *ugeth)
683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804
{
	int i;

	ugeth_info("UCC%d Geth registers:", ugeth->ug_info->uf_info.ucc_num);
	ugeth_info("Base address: 0x%08x", (u32) ugeth->ug_regs);

	ugeth_info("maccfg1    : addr - 0x%08x, val - 0x%08x",
		   (u32) & ugeth->ug_regs->maccfg1,
		   in_be32(&ugeth->ug_regs->maccfg1));
	ugeth_info("maccfg2    : addr - 0x%08x, val - 0x%08x",
		   (u32) & ugeth->ug_regs->maccfg2,
		   in_be32(&ugeth->ug_regs->maccfg2));
	ugeth_info("ipgifg     : addr - 0x%08x, val - 0x%08x",
		   (u32) & ugeth->ug_regs->ipgifg,
		   in_be32(&ugeth->ug_regs->ipgifg));
	ugeth_info("hafdup     : addr - 0x%08x, val - 0x%08x",
		   (u32) & ugeth->ug_regs->hafdup,
		   in_be32(&ugeth->ug_regs->hafdup));
	ugeth_info("ifctl      : addr - 0x%08x, val - 0x%08x",
		   (u32) & ugeth->ug_regs->ifctl,
		   in_be32(&ugeth->ug_regs->ifctl));
	ugeth_info("ifstat     : addr - 0x%08x, val - 0x%08x",
		   (u32) & ugeth->ug_regs->ifstat,
		   in_be32(&ugeth->ug_regs->ifstat));
	ugeth_info("macstnaddr1: addr - 0x%08x, val - 0x%08x",
		   (u32) & ugeth->ug_regs->macstnaddr1,
		   in_be32(&ugeth->ug_regs->macstnaddr1));
	ugeth_info("macstnaddr2: addr - 0x%08x, val - 0x%08x",
		   (u32) & ugeth->ug_regs->macstnaddr2,
		   in_be32(&ugeth->ug_regs->macstnaddr2));
	ugeth_info("uempr      : addr - 0x%08x, val - 0x%08x",
		   (u32) & ugeth->ug_regs->uempr,
		   in_be32(&ugeth->ug_regs->uempr));
	ugeth_info("utbipar    : addr - 0x%08x, val - 0x%08x",
		   (u32) & ugeth->ug_regs->utbipar,
		   in_be32(&ugeth->ug_regs->utbipar));
	ugeth_info("uescr      : addr - 0x%08x, val - 0x%04x",
		   (u32) & ugeth->ug_regs->uescr,
		   in_be16(&ugeth->ug_regs->uescr));
	ugeth_info("tx64       : addr - 0x%08x, val - 0x%08x",
		   (u32) & ugeth->ug_regs->tx64,
		   in_be32(&ugeth->ug_regs->tx64));
	ugeth_info("tx127      : addr - 0x%08x, val - 0x%08x",
		   (u32) & ugeth->ug_regs->tx127,
		   in_be32(&ugeth->ug_regs->tx127));
	ugeth_info("tx255      : addr - 0x%08x, val - 0x%08x",
		   (u32) & ugeth->ug_regs->tx255,
		   in_be32(&ugeth->ug_regs->tx255));
	ugeth_info("rx64       : addr - 0x%08x, val - 0x%08x",
		   (u32) & ugeth->ug_regs->rx64,
		   in_be32(&ugeth->ug_regs->rx64));
	ugeth_info("rx127      : addr - 0x%08x, val - 0x%08x",
		   (u32) & ugeth->ug_regs->rx127,
		   in_be32(&ugeth->ug_regs->rx127));
	ugeth_info("rx255      : addr - 0x%08x, val - 0x%08x",
		   (u32) & ugeth->ug_regs->rx255,
		   in_be32(&ugeth->ug_regs->rx255));
	ugeth_info("txok       : addr - 0x%08x, val - 0x%08x",
		   (u32) & ugeth->ug_regs->txok,
		   in_be32(&ugeth->ug_regs->txok));
	ugeth_info("txcf       : addr - 0x%08x, val - 0x%04x",
		   (u32) & ugeth->ug_regs->txcf,
		   in_be16(&ugeth->ug_regs->txcf));
	ugeth_info("tmca       : addr - 0x%08x, val - 0x%08x",
		   (u32) & ugeth->ug_regs->tmca,
		   in_be32(&ugeth->ug_regs->tmca));
	ugeth_info("tbca       : addr - 0x%08x, val - 0x%08x",
		   (u32) & ugeth->ug_regs->tbca,
		   in_be32(&ugeth->ug_regs->tbca));
	ugeth_info("rxfok      : addr - 0x%08x, val - 0x%08x",
		   (u32) & ugeth->ug_regs->rxfok,
		   in_be32(&ugeth->ug_regs->rxfok));
	ugeth_info("rxbok      : addr - 0x%08x, val - 0x%08x",
		   (u32) & ugeth->ug_regs->rxbok,
		   in_be32(&ugeth->ug_regs->rxbok));
	ugeth_info("rbyt       : addr - 0x%08x, val - 0x%08x",
		   (u32) & ugeth->ug_regs->rbyt,
		   in_be32(&ugeth->ug_regs->rbyt));
	ugeth_info("rmca       : addr - 0x%08x, val - 0x%08x",
		   (u32) & ugeth->ug_regs->rmca,
		   in_be32(&ugeth->ug_regs->rmca));
	ugeth_info("rbca       : addr - 0x%08x, val - 0x%08x",
		   (u32) & ugeth->ug_regs->rbca,
		   in_be32(&ugeth->ug_regs->rbca));
	ugeth_info("scar       : addr - 0x%08x, val - 0x%08x",
		   (u32) & ugeth->ug_regs->scar,
		   in_be32(&ugeth->ug_regs->scar));
	ugeth_info("scam       : addr - 0x%08x, val - 0x%08x",
		   (u32) & ugeth->ug_regs->scam,
		   in_be32(&ugeth->ug_regs->scam));

	if (ugeth->p_thread_data_tx) {
		int numThreadsTxNumerical;
		switch (ugeth->ug_info->numThreadsTx) {
		case UCC_GETH_NUM_OF_THREADS_1:
			numThreadsTxNumerical = 1;
			break;
		case UCC_GETH_NUM_OF_THREADS_2:
			numThreadsTxNumerical = 2;
			break;
		case UCC_GETH_NUM_OF_THREADS_4:
			numThreadsTxNumerical = 4;
			break;
		case UCC_GETH_NUM_OF_THREADS_6:
			numThreadsTxNumerical = 6;
			break;
		case UCC_GETH_NUM_OF_THREADS_8:
			numThreadsTxNumerical = 8;
			break;
		default:
			numThreadsTxNumerical = 0;
			break;
		}

		ugeth_info("Thread data TXs:");
		ugeth_info("Base address: 0x%08x",
			   (u32) ugeth->p_thread_data_tx);
		for (i = 0; i < numThreadsTxNumerical; i++) {
			ugeth_info("Thread data TX[%d]:", i);
			ugeth_info("Base address: 0x%08x",
				   (u32) & ugeth->p_thread_data_tx[i]);
			mem_disp((u8 *) & ugeth->p_thread_data_tx[i],
805
				 sizeof(struct ucc_geth_thread_data_tx));
806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838
		}
	}
	if (ugeth->p_thread_data_rx) {
		int numThreadsRxNumerical;
		switch (ugeth->ug_info->numThreadsRx) {
		case UCC_GETH_NUM_OF_THREADS_1:
			numThreadsRxNumerical = 1;
			break;
		case UCC_GETH_NUM_OF_THREADS_2:
			numThreadsRxNumerical = 2;
			break;
		case UCC_GETH_NUM_OF_THREADS_4:
			numThreadsRxNumerical = 4;
			break;
		case UCC_GETH_NUM_OF_THREADS_6:
			numThreadsRxNumerical = 6;
			break;
		case UCC_GETH_NUM_OF_THREADS_8:
			numThreadsRxNumerical = 8;
			break;
		default:
			numThreadsRxNumerical = 0;
			break;
		}

		ugeth_info("Thread data RX:");
		ugeth_info("Base address: 0x%08x",
			   (u32) ugeth->p_thread_data_rx);
		for (i = 0; i < numThreadsRxNumerical; i++) {
			ugeth_info("Thread data RX[%d]:", i);
			ugeth_info("Base address: 0x%08x",
				   (u32) & ugeth->p_thread_data_rx[i]);
			mem_disp((u8 *) & ugeth->p_thread_data_rx[i],
839
				 sizeof(struct ucc_geth_thread_data_rx));
840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016
		}
	}
	if (ugeth->p_exf_glbl_param) {
		ugeth_info("EXF global param:");
		ugeth_info("Base address: 0x%08x",
			   (u32) ugeth->p_exf_glbl_param);
		mem_disp((u8 *) ugeth->p_exf_glbl_param,
			 sizeof(*ugeth->p_exf_glbl_param));
	}
	if (ugeth->p_tx_glbl_pram) {
		ugeth_info("TX global param:");
		ugeth_info("Base address: 0x%08x", (u32) ugeth->p_tx_glbl_pram);
		ugeth_info("temoder      : addr - 0x%08x, val - 0x%04x",
			   (u32) & ugeth->p_tx_glbl_pram->temoder,
			   in_be16(&ugeth->p_tx_glbl_pram->temoder));
		ugeth_info("sqptr        : addr - 0x%08x, val - 0x%08x",
			   (u32) & ugeth->p_tx_glbl_pram->sqptr,
			   in_be32(&ugeth->p_tx_glbl_pram->sqptr));
		ugeth_info("schedulerbasepointer: addr - 0x%08x, val - 0x%08x",
			   (u32) & ugeth->p_tx_glbl_pram->schedulerbasepointer,
			   in_be32(&ugeth->p_tx_glbl_pram->
				   schedulerbasepointer));
		ugeth_info("txrmonbaseptr: addr - 0x%08x, val - 0x%08x",
			   (u32) & ugeth->p_tx_glbl_pram->txrmonbaseptr,
			   in_be32(&ugeth->p_tx_glbl_pram->txrmonbaseptr));
		ugeth_info("tstate       : addr - 0x%08x, val - 0x%08x",
			   (u32) & ugeth->p_tx_glbl_pram->tstate,
			   in_be32(&ugeth->p_tx_glbl_pram->tstate));
		ugeth_info("iphoffset[0] : addr - 0x%08x, val - 0x%02x",
			   (u32) & ugeth->p_tx_glbl_pram->iphoffset[0],
			   ugeth->p_tx_glbl_pram->iphoffset[0]);
		ugeth_info("iphoffset[1] : addr - 0x%08x, val - 0x%02x",
			   (u32) & ugeth->p_tx_glbl_pram->iphoffset[1],
			   ugeth->p_tx_glbl_pram->iphoffset[1]);
		ugeth_info("iphoffset[2] : addr - 0x%08x, val - 0x%02x",
			   (u32) & ugeth->p_tx_glbl_pram->iphoffset[2],
			   ugeth->p_tx_glbl_pram->iphoffset[2]);
		ugeth_info("iphoffset[3] : addr - 0x%08x, val - 0x%02x",
			   (u32) & ugeth->p_tx_glbl_pram->iphoffset[3],
			   ugeth->p_tx_glbl_pram->iphoffset[3]);
		ugeth_info("iphoffset[4] : addr - 0x%08x, val - 0x%02x",
			   (u32) & ugeth->p_tx_glbl_pram->iphoffset[4],
			   ugeth->p_tx_glbl_pram->iphoffset[4]);
		ugeth_info("iphoffset[5] : addr - 0x%08x, val - 0x%02x",
			   (u32) & ugeth->p_tx_glbl_pram->iphoffset[5],
			   ugeth->p_tx_glbl_pram->iphoffset[5]);
		ugeth_info("iphoffset[6] : addr - 0x%08x, val - 0x%02x",
			   (u32) & ugeth->p_tx_glbl_pram->iphoffset[6],
			   ugeth->p_tx_glbl_pram->iphoffset[6]);
		ugeth_info("iphoffset[7] : addr - 0x%08x, val - 0x%02x",
			   (u32) & ugeth->p_tx_glbl_pram->iphoffset[7],
			   ugeth->p_tx_glbl_pram->iphoffset[7]);
		ugeth_info("vtagtable[0] : addr - 0x%08x, val - 0x%08x",
			   (u32) & ugeth->p_tx_glbl_pram->vtagtable[0],
			   in_be32(&ugeth->p_tx_glbl_pram->vtagtable[0]));
		ugeth_info("vtagtable[1] : addr - 0x%08x, val - 0x%08x",
			   (u32) & ugeth->p_tx_glbl_pram->vtagtable[1],
			   in_be32(&ugeth->p_tx_glbl_pram->vtagtable[1]));
		ugeth_info("vtagtable[2] : addr - 0x%08x, val - 0x%08x",
			   (u32) & ugeth->p_tx_glbl_pram->vtagtable[2],
			   in_be32(&ugeth->p_tx_glbl_pram->vtagtable[2]));
		ugeth_info("vtagtable[3] : addr - 0x%08x, val - 0x%08x",
			   (u32) & ugeth->p_tx_glbl_pram->vtagtable[3],
			   in_be32(&ugeth->p_tx_glbl_pram->vtagtable[3]));
		ugeth_info("vtagtable[4] : addr - 0x%08x, val - 0x%08x",
			   (u32) & ugeth->p_tx_glbl_pram->vtagtable[4],
			   in_be32(&ugeth->p_tx_glbl_pram->vtagtable[4]));
		ugeth_info("vtagtable[5] : addr - 0x%08x, val - 0x%08x",
			   (u32) & ugeth->p_tx_glbl_pram->vtagtable[5],
			   in_be32(&ugeth->p_tx_glbl_pram->vtagtable[5]));
		ugeth_info("vtagtable[6] : addr - 0x%08x, val - 0x%08x",
			   (u32) & ugeth->p_tx_glbl_pram->vtagtable[6],
			   in_be32(&ugeth->p_tx_glbl_pram->vtagtable[6]));
		ugeth_info("vtagtable[7] : addr - 0x%08x, val - 0x%08x",
			   (u32) & ugeth->p_tx_glbl_pram->vtagtable[7],
			   in_be32(&ugeth->p_tx_glbl_pram->vtagtable[7]));
		ugeth_info("tqptr        : addr - 0x%08x, val - 0x%08x",
			   (u32) & ugeth->p_tx_glbl_pram->tqptr,
			   in_be32(&ugeth->p_tx_glbl_pram->tqptr));
	}
	if (ugeth->p_rx_glbl_pram) {
		ugeth_info("RX global param:");
		ugeth_info("Base address: 0x%08x", (u32) ugeth->p_rx_glbl_pram);
		ugeth_info("remoder         : addr - 0x%08x, val - 0x%08x",
			   (u32) & ugeth->p_rx_glbl_pram->remoder,
			   in_be32(&ugeth->p_rx_glbl_pram->remoder));
		ugeth_info("rqptr           : addr - 0x%08x, val - 0x%08x",
			   (u32) & ugeth->p_rx_glbl_pram->rqptr,
			   in_be32(&ugeth->p_rx_glbl_pram->rqptr));
		ugeth_info("typeorlen       : addr - 0x%08x, val - 0x%04x",
			   (u32) & ugeth->p_rx_glbl_pram->typeorlen,
			   in_be16(&ugeth->p_rx_glbl_pram->typeorlen));
		ugeth_info("rxgstpack       : addr - 0x%08x, val - 0x%02x",
			   (u32) & ugeth->p_rx_glbl_pram->rxgstpack,
			   ugeth->p_rx_glbl_pram->rxgstpack);
		ugeth_info("rxrmonbaseptr   : addr - 0x%08x, val - 0x%08x",
			   (u32) & ugeth->p_rx_glbl_pram->rxrmonbaseptr,
			   in_be32(&ugeth->p_rx_glbl_pram->rxrmonbaseptr));
		ugeth_info("intcoalescingptr: addr - 0x%08x, val - 0x%08x",
			   (u32) & ugeth->p_rx_glbl_pram->intcoalescingptr,
			   in_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr));
		ugeth_info("rstate          : addr - 0x%08x, val - 0x%02x",
			   (u32) & ugeth->p_rx_glbl_pram->rstate,
			   ugeth->p_rx_glbl_pram->rstate);
		ugeth_info("mrblr           : addr - 0x%08x, val - 0x%04x",
			   (u32) & ugeth->p_rx_glbl_pram->mrblr,
			   in_be16(&ugeth->p_rx_glbl_pram->mrblr));
		ugeth_info("rbdqptr         : addr - 0x%08x, val - 0x%08x",
			   (u32) & ugeth->p_rx_glbl_pram->rbdqptr,
			   in_be32(&ugeth->p_rx_glbl_pram->rbdqptr));
		ugeth_info("mflr            : addr - 0x%08x, val - 0x%04x",
			   (u32) & ugeth->p_rx_glbl_pram->mflr,
			   in_be16(&ugeth->p_rx_glbl_pram->mflr));
		ugeth_info("minflr          : addr - 0x%08x, val - 0x%04x",
			   (u32) & ugeth->p_rx_glbl_pram->minflr,
			   in_be16(&ugeth->p_rx_glbl_pram->minflr));
		ugeth_info("maxd1           : addr - 0x%08x, val - 0x%04x",
			   (u32) & ugeth->p_rx_glbl_pram->maxd1,
			   in_be16(&ugeth->p_rx_glbl_pram->maxd1));
		ugeth_info("maxd2           : addr - 0x%08x, val - 0x%04x",
			   (u32) & ugeth->p_rx_glbl_pram->maxd2,
			   in_be16(&ugeth->p_rx_glbl_pram->maxd2));
		ugeth_info("ecamptr         : addr - 0x%08x, val - 0x%08x",
			   (u32) & ugeth->p_rx_glbl_pram->ecamptr,
			   in_be32(&ugeth->p_rx_glbl_pram->ecamptr));
		ugeth_info("l2qt            : addr - 0x%08x, val - 0x%08x",
			   (u32) & ugeth->p_rx_glbl_pram->l2qt,
			   in_be32(&ugeth->p_rx_glbl_pram->l2qt));
		ugeth_info("l3qt[0]         : addr - 0x%08x, val - 0x%08x",
			   (u32) & ugeth->p_rx_glbl_pram->l3qt[0],
			   in_be32(&ugeth->p_rx_glbl_pram->l3qt[0]));
		ugeth_info("l3qt[1]         : addr - 0x%08x, val - 0x%08x",
			   (u32) & ugeth->p_rx_glbl_pram->l3qt[1],
			   in_be32(&ugeth->p_rx_glbl_pram->l3qt[1]));
		ugeth_info("l3qt[2]         : addr - 0x%08x, val - 0x%08x",
			   (u32) & ugeth->p_rx_glbl_pram->l3qt[2],
			   in_be32(&ugeth->p_rx_glbl_pram->l3qt[2]));
		ugeth_info("l3qt[3]         : addr - 0x%08x, val - 0x%08x",
			   (u32) & ugeth->p_rx_glbl_pram->l3qt[3],
			   in_be32(&ugeth->p_rx_glbl_pram->l3qt[3]));
		ugeth_info("l3qt[4]         : addr - 0x%08x, val - 0x%08x",
			   (u32) & ugeth->p_rx_glbl_pram->l3qt[4],
			   in_be32(&ugeth->p_rx_glbl_pram->l3qt[4]));
		ugeth_info("l3qt[5]         : addr - 0x%08x, val - 0x%08x",
			   (u32) & ugeth->p_rx_glbl_pram->l3qt[5],
			   in_be32(&ugeth->p_rx_glbl_pram->l3qt[5]));
		ugeth_info("l3qt[6]         : addr - 0x%08x, val - 0x%08x",
			   (u32) & ugeth->p_rx_glbl_pram->l3qt[6],
			   in_be32(&ugeth->p_rx_glbl_pram->l3qt[6]));
		ugeth_info("l3qt[7]         : addr - 0x%08x, val - 0x%08x",
			   (u32) & ugeth->p_rx_glbl_pram->l3qt[7],
			   in_be32(&ugeth->p_rx_glbl_pram->l3qt[7]));
		ugeth_info("vlantype        : addr - 0x%08x, val - 0x%04x",
			   (u32) & ugeth->p_rx_glbl_pram->vlantype,
			   in_be16(&ugeth->p_rx_glbl_pram->vlantype));
		ugeth_info("vlantci         : addr - 0x%08x, val - 0x%04x",
			   (u32) & ugeth->p_rx_glbl_pram->vlantci,
			   in_be16(&ugeth->p_rx_glbl_pram->vlantci));
		for (i = 0; i < 64; i++)
			ugeth_info
		    ("addressfiltering[%d]: addr - 0x%08x, val - 0x%02x",
			     i,
			     (u32) & ugeth->p_rx_glbl_pram->addressfiltering[i],
			     ugeth->p_rx_glbl_pram->addressfiltering[i]);
		ugeth_info("exfGlobalParam  : addr - 0x%08x, val - 0x%08x",
			   (u32) & ugeth->p_rx_glbl_pram->exfGlobalParam,
			   in_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam));
	}
	if (ugeth->p_send_q_mem_reg) {
		ugeth_info("Send Q memory registers:");
		ugeth_info("Base address: 0x%08x",
			   (u32) ugeth->p_send_q_mem_reg);
		for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
			ugeth_info("SQQD[%d]:", i);
			ugeth_info("Base address: 0x%08x",
				   (u32) & ugeth->p_send_q_mem_reg->sqqd[i]);
			mem_disp((u8 *) & ugeth->p_send_q_mem_reg->sqqd[i],
1017
				 sizeof(struct ucc_geth_send_queue_qd));
1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098
		}
	}
	if (ugeth->p_scheduler) {
		ugeth_info("Scheduler:");
		ugeth_info("Base address: 0x%08x", (u32) ugeth->p_scheduler);
		mem_disp((u8 *) ugeth->p_scheduler,
			 sizeof(*ugeth->p_scheduler));
	}
	if (ugeth->p_tx_fw_statistics_pram) {
		ugeth_info("TX FW statistics pram:");
		ugeth_info("Base address: 0x%08x",
			   (u32) ugeth->p_tx_fw_statistics_pram);
		mem_disp((u8 *) ugeth->p_tx_fw_statistics_pram,
			 sizeof(*ugeth->p_tx_fw_statistics_pram));
	}
	if (ugeth->p_rx_fw_statistics_pram) {
		ugeth_info("RX FW statistics pram:");
		ugeth_info("Base address: 0x%08x",
			   (u32) ugeth->p_rx_fw_statistics_pram);
		mem_disp((u8 *) ugeth->p_rx_fw_statistics_pram,
			 sizeof(*ugeth->p_rx_fw_statistics_pram));
	}
	if (ugeth->p_rx_irq_coalescing_tbl) {
		ugeth_info("RX IRQ coalescing tables:");
		ugeth_info("Base address: 0x%08x",
			   (u32) ugeth->p_rx_irq_coalescing_tbl);
		for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
			ugeth_info("RX IRQ coalescing table entry[%d]:", i);
			ugeth_info("Base address: 0x%08x",
				   (u32) & ugeth->p_rx_irq_coalescing_tbl->
				   coalescingentry[i]);
			ugeth_info
		("interruptcoalescingmaxvalue: addr - 0x%08x, val - 0x%08x",
			     (u32) & ugeth->p_rx_irq_coalescing_tbl->
			     coalescingentry[i].interruptcoalescingmaxvalue,
			     in_be32(&ugeth->p_rx_irq_coalescing_tbl->
				     coalescingentry[i].
				     interruptcoalescingmaxvalue));
			ugeth_info
		("interruptcoalescingcounter : addr - 0x%08x, val - 0x%08x",
			     (u32) & ugeth->p_rx_irq_coalescing_tbl->
			     coalescingentry[i].interruptcoalescingcounter,
			     in_be32(&ugeth->p_rx_irq_coalescing_tbl->
				     coalescingentry[i].
				     interruptcoalescingcounter));
		}
	}
	if (ugeth->p_rx_bd_qs_tbl) {
		ugeth_info("RX BD QS tables:");
		ugeth_info("Base address: 0x%08x", (u32) ugeth->p_rx_bd_qs_tbl);
		for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
			ugeth_info("RX BD QS table[%d]:", i);
			ugeth_info("Base address: 0x%08x",
				   (u32) & ugeth->p_rx_bd_qs_tbl[i]);
			ugeth_info
			    ("bdbaseptr        : addr - 0x%08x, val - 0x%08x",
			     (u32) & ugeth->p_rx_bd_qs_tbl[i].bdbaseptr,
			     in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdbaseptr));
			ugeth_info
			    ("bdptr            : addr - 0x%08x, val - 0x%08x",
			     (u32) & ugeth->p_rx_bd_qs_tbl[i].bdptr,
			     in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdptr));
			ugeth_info
			    ("externalbdbaseptr: addr - 0x%08x, val - 0x%08x",
			     (u32) & ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
			     in_be32(&ugeth->p_rx_bd_qs_tbl[i].
				     externalbdbaseptr));
			ugeth_info
			    ("externalbdptr    : addr - 0x%08x, val - 0x%08x",
			     (u32) & ugeth->p_rx_bd_qs_tbl[i].externalbdptr,
			     in_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdptr));
			ugeth_info("ucode RX Prefetched BDs:");
			ugeth_info("Base address: 0x%08x",
				   (u32)
				   qe_muram_addr(in_be32
						 (&ugeth->p_rx_bd_qs_tbl[i].
						  bdbaseptr)));
			mem_disp((u8 *)
				 qe_muram_addr(in_be32
					       (&ugeth->p_rx_bd_qs_tbl[i].
						bdbaseptr)),
1099
				 sizeof(struct ucc_geth_rx_prefetched_bds));
1100 1101 1102 1103 1104 1105 1106 1107 1108 1109
		}
	}
	if (ugeth->p_init_enet_param_shadow) {
		int size;
		ugeth_info("Init enet param shadow:");
		ugeth_info("Base address: 0x%08x",
			   (u32) ugeth->p_init_enet_param_shadow);
		mem_disp((u8 *) ugeth->p_init_enet_param_shadow,
			 sizeof(*ugeth->p_init_enet_param_shadow));

1110
		size = sizeof(struct ucc_geth_thread_rx_pram);
1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127
		if (ugeth->ug_info->rxExtendedFiltering) {
			size +=
			    THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING;
			if (ugeth->ug_info->largestexternallookupkeysize ==
			    QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
				size +=
			THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8;
			if (ugeth->ug_info->largestexternallookupkeysize ==
			    QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES)
				size +=
			THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16;
		}

		dump_init_enet_entries(ugeth,
				       &(ugeth->p_init_enet_param_shadow->
					 txthread[0]),
				       ENET_INIT_PARAM_MAX_ENTRIES_TX,
1128
				       sizeof(struct ucc_geth_thread_tx_pram),
1129 1130 1131 1132 1133 1134 1135 1136 1137 1138
				       ugeth->ug_info->riscTx, 0);
		dump_init_enet_entries(ugeth,
				       &(ugeth->p_init_enet_param_shadow->
					 rxthread[0]),
				       ENET_INIT_PARAM_MAX_ENTRIES_RX, size,
				       ugeth->ug_info->riscRx, 1);
	}
}
#endif /* DEBUG */

1139 1140 1141
static void init_default_reg_vals(u32 __iomem *upsmr_register,
				  u32 __iomem *maccfg1_register,
				  u32 __iomem *maccfg2_register)
1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154
{
	out_be32(upsmr_register, UCC_GETH_UPSMR_INIT);
	out_be32(maccfg1_register, UCC_GETH_MACCFG1_INIT);
	out_be32(maccfg2_register, UCC_GETH_MACCFG2_INIT);
}

static int init_half_duplex_params(int alt_beb,
				   int back_pressure_no_backoff,
				   int no_backoff,
				   int excess_defer,
				   u8 alt_beb_truncation,
				   u8 max_retransmissions,
				   u8 collision_window,
1155
				   u32 __iomem *hafdup_register)
1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186
{
	u32 value = 0;

	if ((alt_beb_truncation > HALFDUP_ALT_BEB_TRUNCATION_MAX) ||
	    (max_retransmissions > HALFDUP_MAX_RETRANSMISSION_MAX) ||
	    (collision_window > HALFDUP_COLLISION_WINDOW_MAX))
		return -EINVAL;

	value = (u32) (alt_beb_truncation << HALFDUP_ALT_BEB_TRUNCATION_SHIFT);

	if (alt_beb)
		value |= HALFDUP_ALT_BEB;
	if (back_pressure_no_backoff)
		value |= HALFDUP_BACK_PRESSURE_NO_BACKOFF;
	if (no_backoff)
		value |= HALFDUP_NO_BACKOFF;
	if (excess_defer)
		value |= HALFDUP_EXCESSIVE_DEFER;

	value |= (max_retransmissions << HALFDUP_MAX_RETRANSMISSION_SHIFT);

	value |= collision_window;

	out_be32(hafdup_register, value);
	return 0;
}

static int init_inter_frame_gap_params(u8 non_btb_cs_ipg,
				       u8 non_btb_ipg,
				       u8 min_ifg,
				       u8 btb_ipg,
1187
				       u32 __iomem *ipgifg_register)
1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216
{
	u32 value = 0;

	/* Non-Back-to-back IPG part 1 should be <= Non-Back-to-back
	IPG part 2 */
	if (non_btb_cs_ipg > non_btb_ipg)
		return -EINVAL;

	if ((non_btb_cs_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART1_MAX) ||
	    (non_btb_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART2_MAX) ||
	    /*(min_ifg        > IPGIFG_MINIMUM_IFG_ENFORCEMENT_MAX) || */
	    (btb_ipg > IPGIFG_BACK_TO_BACK_IFG_MAX))
		return -EINVAL;

	value |=
	    ((non_btb_cs_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART1_SHIFT) &
	     IPGIFG_NBTB_CS_IPG_MASK);
	value |=
	    ((non_btb_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART2_SHIFT) &
	     IPGIFG_NBTB_IPG_MASK);
	value |=
	    ((min_ifg << IPGIFG_MINIMUM_IFG_ENFORCEMENT_SHIFT) &
	     IPGIFG_MIN_IFG_MASK);
	value |= (btb_ipg & IPGIFG_BTB_IPG_MASK);

	out_be32(ipgifg_register, value);
	return 0;
}

L
Li Yang 已提交
1217
int init_flow_control_params(u32 automatic_flow_control_mode,
1218 1219 1220 1221
				    int rx_flow_control_enable,
				    int tx_flow_control_enable,
				    u16 pause_period,
				    u16 extension_field,
1222 1223 1224
				    u32 __iomem *upsmr_register,
				    u32 __iomem *uempr_register,
				    u32 __iomem *maccfg1_register)
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
{
	u32 value = 0;

	/* Set UEMPR register */
	value = (u32) pause_period << UEMPR_PAUSE_TIME_VALUE_SHIFT;
	value |= (u32) extension_field << UEMPR_EXTENDED_PAUSE_TIME_VALUE_SHIFT;
	out_be32(uempr_register, value);

	/* Set UPSMR register */
	value = in_be32(upsmr_register);
	value |= automatic_flow_control_mode;
	out_be32(upsmr_register, value);

	value = in_be32(maccfg1_register);
	if (rx_flow_control_enable)
		value |= MACCFG1_FLOW_RX;
	if (tx_flow_control_enable)
		value |= MACCFG1_FLOW_TX;
	out_be32(maccfg1_register, value);

	return 0;
}

static int init_hw_statistics_gathering_mode(int enable_hardware_statistics,
					     int auto_zero_hardware_statistics,
1250 1251
					     u32 __iomem *upsmr_register,
					     u16 __iomem *uescr_register)
1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276
{
	u32 upsmr_value = 0;
	u16 uescr_value = 0;
	/* Enable hardware statistics gathering if requested */
	if (enable_hardware_statistics) {
		upsmr_value = in_be32(upsmr_register);
		upsmr_value |= UPSMR_HSE;
		out_be32(upsmr_register, upsmr_value);
	}

	/* Clear hardware statistics counters */
	uescr_value = in_be16(uescr_register);
	uescr_value |= UESCR_CLRCNT;
	/* Automatically zero hardware statistics counters on read,
	if requested */
	if (auto_zero_hardware_statistics)
		uescr_value |= UESCR_AUTOZ;
	out_be16(uescr_register, uescr_value);

	return 0;
}

static int init_firmware_statistics_gathering_mode(int
		enable_tx_firmware_statistics,
		int enable_rx_firmware_statistics,
1277
		u32 __iomem *tx_rmon_base_ptr,
1278
		u32 tx_firmware_statistics_structure_address,
1279
		u32 __iomem *rx_rmon_base_ptr,
1280
		u32 rx_firmware_statistics_structure_address,
1281 1282
		u16 __iomem *temoder_register,
		u32 __iomem *remoder_register)
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
{
	/* Note: this function does not check if */
	/* the parameters it receives are NULL   */
	u16 temoder_value;
	u32 remoder_value;

	if (enable_tx_firmware_statistics) {
		out_be32(tx_rmon_base_ptr,
			 tx_firmware_statistics_structure_address);
		temoder_value = in_be16(temoder_register);
		temoder_value |= TEMODER_TX_RMON_STATISTICS_ENABLE;
		out_be16(temoder_register, temoder_value);
	}

	if (enable_rx_firmware_statistics) {
		out_be32(rx_rmon_base_ptr,
			 rx_firmware_statistics_structure_address);
		remoder_value = in_be32(remoder_register);
		remoder_value |= REMODER_RX_RMON_STATISTICS_ENABLE;
		out_be32(remoder_register, remoder_value);
	}

	return 0;
}

static int init_mac_station_addr_regs(u8 address_byte_0,
				      u8 address_byte_1,
				      u8 address_byte_2,
				      u8 address_byte_3,
				      u8 address_byte_4,
				      u8 address_byte_5,
1314 1315
				      u32 __iomem *macstnaddr1_register,
				      u32 __iomem *macstnaddr2_register)
1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350
{
	u32 value = 0;

	/* Example: for a station address of 0x12345678ABCD, */
	/* 0x12 is byte 0, 0x34 is byte 1 and so on and 0xCD is byte 5 */

	/* MACSTNADDR1 Register: */

	/* 0                      7   8                      15  */
	/* station address byte 5     station address byte 4     */
	/* 16                     23  24                     31  */
	/* station address byte 3     station address byte 2     */
	value |= (u32) ((address_byte_2 << 0) & 0x000000FF);
	value |= (u32) ((address_byte_3 << 8) & 0x0000FF00);
	value |= (u32) ((address_byte_4 << 16) & 0x00FF0000);
	value |= (u32) ((address_byte_5 << 24) & 0xFF000000);

	out_be32(macstnaddr1_register, value);

	/* MACSTNADDR2 Register: */

	/* 0                      7   8                      15  */
	/* station address byte 1     station address byte 0     */
	/* 16                     23  24                     31  */
	/*         reserved                   reserved           */
	value = 0;
	value |= (u32) ((address_byte_0 << 16) & 0x00FF0000);
	value |= (u32) ((address_byte_1 << 24) & 0xFF000000);

	out_be32(macstnaddr2_register, value);

	return 0;
}

static int init_check_frame_length_mode(int length_check,
1351
					u32 __iomem *maccfg2_register)
1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366
{
	u32 value = 0;

	value = in_be32(maccfg2_register);

	if (length_check)
		value |= MACCFG2_LC;
	else
		value &= ~MACCFG2_LC;

	out_be32(maccfg2_register, value);
	return 0;
}

static int init_preamble_length(u8 preamble_length,
1367
				u32 __iomem *maccfg2_register)
1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382
{
	u32 value = 0;

	if ((preamble_length < 3) || (preamble_length > 7))
		return -EINVAL;

	value = in_be32(maccfg2_register);
	value &= ~MACCFG2_PREL_MASK;
	value |= (preamble_length << MACCFG2_PREL_SHIFT);
	out_be32(maccfg2_register, value);
	return 0;
}

static int init_rx_parameters(int reject_broadcast,
			      int receive_short_frames,
1383
			      int promiscuous, u32 __iomem *upsmr_register)
1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409
{
	u32 value = 0;

	value = in_be32(upsmr_register);

	if (reject_broadcast)
		value |= UPSMR_BRO;
	else
		value &= ~UPSMR_BRO;

	if (receive_short_frames)
		value |= UPSMR_RSH;
	else
		value &= ~UPSMR_RSH;

	if (promiscuous)
		value |= UPSMR_PRO;
	else
		value &= ~UPSMR_PRO;

	out_be32(upsmr_register, value);

	return 0;
}

static int init_max_rx_buff_len(u16 max_rx_buf_len,
1410
				u16 __iomem *mrblr_register)
1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421
{
	/* max_rx_buf_len value must be a multiple of 128 */
	if ((max_rx_buf_len == 0)
	    || (max_rx_buf_len % UCC_GETH_MRBLR_ALIGNMENT))
		return -EINVAL;

	out_be16(mrblr_register, max_rx_buf_len);
	return 0;
}

static int init_min_frame_len(u16 min_frame_length,
1422 1423
			      u16 __iomem *minflr_register,
			      u16 __iomem *mrblr_register)
1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434
{
	u16 mrblr_value = 0;

	mrblr_value = in_be16(mrblr_register);
	if (min_frame_length >= (mrblr_value - 4))
		return -EINVAL;

	out_be16(minflr_register, min_frame_length);
	return 0;
}

1435
static int adjust_enet_interface(struct ucc_geth_private *ugeth)
1436
{
1437
	struct ucc_geth_info *ug_info;
1438 1439
	struct ucc_geth __iomem *ug_regs;
	struct ucc_fast __iomem *uf_regs;
1440 1441
	int ret_val;
	u32 upsmr, maccfg2, tbiBaseAddress;
1442 1443
	u16 value;

1444
	ugeth_vdbg("%s: IN", __func__);
1445 1446 1447 1448 1449 1450 1451 1452

	ug_info = ugeth->ug_info;
	ug_regs = ugeth->ug_regs;
	uf_regs = ugeth->uccf->uf_regs;

	/*                    Set MACCFG2                    */
	maccfg2 = in_be32(&ug_regs->maccfg2);
	maccfg2 &= ~MACCFG2_INTERFACE_MODE_MASK;
1453 1454
	if ((ugeth->max_speed == SPEED_10) ||
	    (ugeth->max_speed == SPEED_100))
1455
		maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE;
1456
	else if (ugeth->max_speed == SPEED_1000)
1457 1458 1459 1460 1461 1462 1463
		maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE;
	maccfg2 |= ug_info->padAndCrc;
	out_be32(&ug_regs->maccfg2, maccfg2);

	/*                    Set UPSMR                      */
	upsmr = in_be32(&uf_regs->upsmr);
	upsmr &= ~(UPSMR_RPM | UPSMR_R10M | UPSMR_TBIM | UPSMR_RMM);
1464 1465 1466
	if ((ugeth->phy_interface == PHY_INTERFACE_MODE_RMII) ||
	    (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII) ||
	    (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_ID) ||
1467 1468
	    (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
	    (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) ||
1469
	    (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1470
		upsmr |= UPSMR_RPM;
1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481
		switch (ugeth->max_speed) {
		case SPEED_10:
			upsmr |= UPSMR_R10M;
			/* FALLTHROUGH */
		case SPEED_100:
			if (ugeth->phy_interface != PHY_INTERFACE_MODE_RTBI)
				upsmr |= UPSMR_RMM;
		}
	}
	if ((ugeth->phy_interface == PHY_INTERFACE_MODE_TBI) ||
	    (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1482
		upsmr |= UPSMR_TBIM;
1483
	}
1484 1485 1486 1487 1488
	out_be32(&uf_regs->upsmr, upsmr);

	/* Disable autonegotiation in tbi mode, because by default it
	comes up in autonegotiation mode. */
	/* Note that this depends on proper setting in utbipar register. */
1489 1490
	if ((ugeth->phy_interface == PHY_INTERFACE_MODE_TBI) ||
	    (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1491 1492 1493
		tbiBaseAddress = in_be32(&ug_regs->utbipar);
		tbiBaseAddress &= UTBIPAR_PHY_ADDRESS_MASK;
		tbiBaseAddress >>= UTBIPAR_PHY_ADDRESS_SHIFT;
1494 1495
		value = ugeth->phydev->bus->read(ugeth->phydev->bus,
				(u8) tbiBaseAddress, ENET_TBI_MII_CR);
1496
		value &= ~0x1000;	/* Turn off autonegotiation */
1497 1498
		ugeth->phydev->bus->write(ugeth->phydev->bus,
				(u8) tbiBaseAddress, ENET_TBI_MII_CR, value);
1499 1500 1501 1502 1503 1504
	}

	init_check_frame_length_mode(ug_info->lengthCheckRx, &ug_regs->maccfg2);

	ret_val = init_preamble_length(ug_info->prel, &ug_regs->maccfg2);
	if (ret_val != 0) {
1505 1506
		if (netif_msg_probe(ugeth))
			ugeth_err("%s: Preamble length must be between 3 and 7 inclusive.",
1507
			     __func__);
1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519
		return ret_val;
	}

	return 0;
}

/* Called every time the controller might need to be made
 * aware of new link state.  The PHY code conveys this
 * information through variables in the ugeth structure, and this
 * function converts those variables into the appropriate
 * register values, and can bring down the device if needed.
 */
1520

1521 1522
static void adjust_link(struct net_device *dev)
{
1523
	struct ucc_geth_private *ugeth = netdev_priv(dev);
1524 1525
	struct ucc_geth __iomem *ug_regs;
	struct ucc_fast __iomem *uf_regs;
1526 1527 1528
	struct phy_device *phydev = ugeth->phydev;
	unsigned long flags;
	int new_state = 0;
1529 1530

	ug_regs = ugeth->ug_regs;
1531
	uf_regs = ugeth->uccf->uf_regs;
1532

1533 1534 1535 1536 1537
	spin_lock_irqsave(&ugeth->lock, flags);

	if (phydev->link) {
		u32 tempval = in_be32(&ug_regs->maccfg2);
		u32 upsmr = in_be32(&uf_regs->upsmr);
1538 1539
		/* Now we make sure that we can be in full duplex mode.
		 * If not, we operate in half-duplex mode. */
1540 1541 1542
		if (phydev->duplex != ugeth->oldduplex) {
			new_state = 1;
			if (!(phydev->duplex))
1543
				tempval &= ~(MACCFG2_FDX);
1544
			else
1545
				tempval |= MACCFG2_FDX;
1546
			ugeth->oldduplex = phydev->duplex;
1547 1548
		}

1549 1550 1551 1552 1553 1554 1555
		if (phydev->speed != ugeth->oldspeed) {
			new_state = 1;
			switch (phydev->speed) {
			case SPEED_1000:
				tempval = ((tempval &
					    ~(MACCFG2_INTERFACE_MODE_MASK)) |
					    MACCFG2_INTERFACE_MODE_BYTE);
1556
				break;
1557 1558 1559 1560 1561 1562 1563 1564 1565
			case SPEED_100:
			case SPEED_10:
				tempval = ((tempval &
					    ~(MACCFG2_INTERFACE_MODE_MASK)) |
					    MACCFG2_INTERFACE_MODE_NIBBLE);
				/* if reduced mode, re-set UPSMR.R10M */
				if ((ugeth->phy_interface == PHY_INTERFACE_MODE_RMII) ||
				    (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII) ||
				    (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_ID) ||
1566 1567
				    (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
				    (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) ||
1568 1569 1570 1571 1572 1573
				    (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
					if (phydev->speed == SPEED_10)
						upsmr |= UPSMR_R10M;
					else
						upsmr &= ~(UPSMR_R10M);
				}
1574 1575
				break;
			default:
1576 1577 1578 1579
				if (netif_msg_link(ugeth))
					ugeth_warn(
						"%s: Ack!  Speed (%d) is not 10/100/1000!",
						dev->name, phydev->speed);
1580 1581
				break;
			}
1582
			ugeth->oldspeed = phydev->speed;
1583 1584
		}

1585 1586 1587
		out_be32(&ug_regs->maccfg2, tempval);
		out_be32(&uf_regs->upsmr, upsmr);

1588
		if (!ugeth->oldlink) {
1589
			new_state = 1;
1590 1591
			ugeth->oldlink = 1;
		}
1592 1593
	} else if (ugeth->oldlink) {
			new_state = 1;
1594 1595 1596 1597
			ugeth->oldlink = 0;
			ugeth->oldspeed = 0;
			ugeth->oldduplex = -1;
	}
1598 1599 1600 1601 1602

	if (new_state && netif_msg_link(ugeth))
		phy_print_status(phydev);

	spin_unlock_irqrestore(&ugeth->lock, flags);
1603 1604 1605 1606 1607 1608 1609
}

/* Configure the PHY for dev.
 * returns 0 if success.  -1 if failure
 */
static int init_phy(struct net_device *dev)
{
1610 1611 1612
	struct ucc_geth_private *priv = netdev_priv(dev);
	struct phy_device *phydev;
	char phy_id[BUS_ID_SIZE];
1613

1614 1615 1616
	priv->oldlink = 0;
	priv->oldspeed = 0;
	priv->oldduplex = -1;
1617

1618 1619
	snprintf(phy_id, BUS_ID_SIZE, PHY_ID_FMT, priv->ug_info->mdio_bus,
			priv->ug_info->phy_address);
1620

1621
	phydev = phy_connect(dev, phy_id, &adjust_link, 0, priv->phy_interface);
1622

1623 1624 1625
	if (IS_ERR(phydev)) {
		printk("%s: Could not attach to PHY\n", dev->name);
		return PTR_ERR(phydev);
1626 1627
	}

1628
	phydev->supported &= (ADVERTISED_10baseT_Half |
1629 1630
				 ADVERTISED_10baseT_Full |
				 ADVERTISED_100baseT_Half |
1631
				 ADVERTISED_100baseT_Full);
1632

1633 1634
	if (priv->max_speed == SPEED_1000)
		phydev->supported |= ADVERTISED_1000baseT_Full;
1635

1636
	phydev->advertising = phydev->supported;
1637

1638
	priv->phydev = phydev;
1639 1640 1641 1642

	return 0;
}

1643

1644

1645
static int ugeth_graceful_stop_tx(struct ucc_geth_private *ugeth)
1646
{
1647
	struct ucc_fast_private *uccf;
1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662
	u32 cecr_subblock;
	u32 temp;

	uccf = ugeth->uccf;

	/* Mask GRACEFUL STOP TX interrupt bit and clear it */
	temp = in_be32(uccf->p_uccm);
	temp &= ~UCCE_GRA;
	out_be32(uccf->p_uccm, temp);
	out_be32(uccf->p_ucce, UCCE_GRA);	/* clear by writing 1 */

	/* Issue host command */
	cecr_subblock =
	    ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
	qe_issue_cmd(QE_GRACEFUL_STOP_TX, cecr_subblock,
1663
		     QE_CR_PROTOCOL_ETHERNET, 0);
1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674

	/* Wait for command to complete */
	do {
		temp = in_be32(uccf->p_ucce);
	} while (!(temp & UCCE_GRA));

	uccf->stopped_tx = 1;

	return 0;
}

1675
static int ugeth_graceful_stop_rx(struct ucc_geth_private * ugeth)
1676
{
1677
	struct ucc_fast_private *uccf;
1678 1679 1680 1681 1682 1683
	u32 cecr_subblock;
	u8 temp;

	uccf = ugeth->uccf;

	/* Clear acknowledge bit */
1684
	temp = in_8(&ugeth->p_rx_glbl_pram->rxgstpack);
1685
	temp &= ~GRACEFUL_STOP_ACKNOWLEDGE_RX;
1686
	out_8(&ugeth->p_rx_glbl_pram->rxgstpack, temp);
1687 1688 1689 1690 1691 1692 1693 1694 1695

	/* Keep issuing command and checking acknowledge bit until
	it is asserted, according to spec */
	do {
		/* Issue host command */
		cecr_subblock =
		    ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.
						ucc_num);
		qe_issue_cmd(QE_GRACEFUL_STOP_RX, cecr_subblock,
1696
			     QE_CR_PROTOCOL_ETHERNET, 0);
1697

1698
		temp = in_8(&ugeth->p_rx_glbl_pram->rxgstpack);
1699 1700 1701 1702 1703 1704 1705
	} while (!(temp & GRACEFUL_STOP_ACKNOWLEDGE_RX));

	uccf->stopped_rx = 1;

	return 0;
}

1706
static int ugeth_restart_tx(struct ucc_geth_private *ugeth)
1707
{
1708
	struct ucc_fast_private *uccf;
1709 1710 1711 1712 1713 1714
	u32 cecr_subblock;

	uccf = ugeth->uccf;

	cecr_subblock =
	    ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1715
	qe_issue_cmd(QE_RESTART_TX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET, 0);
1716 1717 1718 1719 1720
	uccf->stopped_tx = 0;

	return 0;
}

1721
static int ugeth_restart_rx(struct ucc_geth_private *ugeth)
1722
{
1723
	struct ucc_fast_private *uccf;
1724 1725 1726 1727 1728 1729
	u32 cecr_subblock;

	uccf = ugeth->uccf;

	cecr_subblock =
	    ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1730
	qe_issue_cmd(QE_RESTART_RX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET,
1731 1732 1733 1734 1735 1736
		     0);
	uccf->stopped_rx = 0;

	return 0;
}

1737
static int ugeth_enable(struct ucc_geth_private *ugeth, enum comm_dir mode)
1738
{
1739
	struct ucc_fast_private *uccf;
1740 1741 1742 1743 1744 1745
	int enabled_tx, enabled_rx;

	uccf = ugeth->uccf;

	/* check if the UCC number is in range. */
	if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) {
1746
		if (netif_msg_probe(ugeth))
1747
			ugeth_err("%s: ucc_num out of range.", __func__);
1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766
		return -EINVAL;
	}

	enabled_tx = uccf->enabled_tx;
	enabled_rx = uccf->enabled_rx;

	/* Get Tx and Rx going again, in case this channel was actively
	disabled. */
	if ((mode & COMM_DIR_TX) && (!enabled_tx) && uccf->stopped_tx)
		ugeth_restart_tx(ugeth);
	if ((mode & COMM_DIR_RX) && (!enabled_rx) && uccf->stopped_rx)
		ugeth_restart_rx(ugeth);

	ucc_fast_enable(uccf, mode);	/* OK to do even if not disabled */

	return 0;

}

1767
static int ugeth_disable(struct ucc_geth_private * ugeth, enum comm_dir mode)
1768
{
1769
	struct ucc_fast_private *uccf;
1770 1771 1772 1773 1774

	uccf = ugeth->uccf;

	/* check if the UCC number is in range. */
	if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) {
1775
		if (netif_msg_probe(ugeth))
1776
			ugeth_err("%s: ucc_num out of range.", __func__);
1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792
		return -EINVAL;
	}

	/* Stop any transmissions */
	if ((mode & COMM_DIR_TX) && uccf->enabled_tx && !uccf->stopped_tx)
		ugeth_graceful_stop_tx(ugeth);

	/* Stop any receptions */
	if ((mode & COMM_DIR_RX) && uccf->enabled_rx && !uccf->stopped_rx)
		ugeth_graceful_stop_rx(ugeth);

	ucc_fast_disable(ugeth->uccf, mode); /* OK to do even if not enabled */

	return 0;
}

1793
static void ugeth_dump_regs(struct ucc_geth_private *ugeth)
1794 1795 1796 1797 1798 1799 1800 1801 1802
{
#ifdef DEBUG
	ucc_fast_dump_regs(ugeth->uccf);
	dump_regs(ugeth);
	dump_bds(ugeth);
#endif
}

#ifdef CONFIG_UGETH_FILTERING
1803
static int ugeth_ext_filtering_serialize_tad(struct ucc_geth_tad_params *
1804
					     p_UccGethTadParams,
1805
					     struct qe_fltr_tad *qe_fltr_tad)
1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842
{
	u16 temp;

	/* Zero serialized TAD */
	memset(qe_fltr_tad, 0, QE_FLTR_TAD_SIZE);

	qe_fltr_tad->serialized[0] |= UCC_GETH_TAD_V;	/* Must have this */
	if (p_UccGethTadParams->rx_non_dynamic_extended_features_mode ||
	    (p_UccGethTadParams->vtag_op != UCC_GETH_VLAN_OPERATION_TAGGED_NOP)
	    || (p_UccGethTadParams->vnontag_op !=
		UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP)
	    )
		qe_fltr_tad->serialized[0] |= UCC_GETH_TAD_EF;
	if (p_UccGethTadParams->reject_frame)
		qe_fltr_tad->serialized[0] |= UCC_GETH_TAD_REJ;
	temp =
	    (u16) (((u16) p_UccGethTadParams->
		    vtag_op) << UCC_GETH_TAD_VTAG_OP_SHIFT);
	qe_fltr_tad->serialized[0] |= (u8) (temp >> 8);	/* upper bits */

	qe_fltr_tad->serialized[1] |= (u8) (temp & 0x00ff);	/* lower bits */
	if (p_UccGethTadParams->vnontag_op ==
	    UCC_GETH_VLAN_OPERATION_NON_TAGGED_Q_TAG_INSERT)
		qe_fltr_tad->serialized[1] |= UCC_GETH_TAD_V_NON_VTAG_OP;
	qe_fltr_tad->serialized[1] |=
	    p_UccGethTadParams->rqos << UCC_GETH_TAD_RQOS_SHIFT;

	qe_fltr_tad->serialized[2] |=
	    p_UccGethTadParams->vpri << UCC_GETH_TAD_V_PRIORITY_SHIFT;
	/* upper bits */
	qe_fltr_tad->serialized[2] |= (u8) (p_UccGethTadParams->vid >> 8);
	/* lower bits */
	qe_fltr_tad->serialized[3] |= (u8) (p_UccGethTadParams->vid & 0x00ff);

	return 0;
}

1843 1844 1845
static struct enet_addr_container_t
    *ugeth_82xx_filtering_get_match_addr_in_hash(struct ucc_geth_private *ugeth,
						 struct enet_addr *p_enet_addr)
1846
{
1847
	struct enet_addr_container *enet_addr_cont;
1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867
	struct list_head *p_lh;
	u16 i, num;
	int32_t j;
	u8 *p_counter;

	if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) {
		p_lh = &ugeth->group_hash_q;
		p_counter = &(ugeth->numGroupAddrInHash);
	} else {
		p_lh = &ugeth->ind_hash_q;
		p_counter = &(ugeth->numIndAddrInHash);
	}

	if (!p_lh)
		return NULL;

	num = *p_counter;

	for (i = 0; i < num; i++) {
		enet_addr_cont =
1868
		    (struct enet_addr_container *)
1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880
		    ENET_ADDR_CONT_ENTRY(dequeue(p_lh));
		for (j = ENET_NUM_OCTETS_PER_ADDRESS - 1; j >= 0; j--) {
			if ((*p_enet_addr)[j] != (enet_addr_cont->address)[j])
				break;
			if (j == 0)
				return enet_addr_cont;	/* Found */
		}
		enqueue(p_lh, &enet_addr_cont->node);	/* Put it back */
	}
	return NULL;
}

1881 1882
static int ugeth_82xx_filtering_add_addr_in_hash(struct ucc_geth_private *ugeth,
						 struct enet_addr *p_enet_addr)
1883
{
1884 1885
	enum ucc_geth_enet_address_recognition_location location;
	struct enet_addr_container *enet_addr_cont;
1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919
	struct list_head *p_lh;
	u8 i;
	u32 limit;
	u8 *p_counter;

	if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) {
		p_lh = &ugeth->group_hash_q;
		limit = ugeth->ug_info->maxGroupAddrInHash;
		location =
		    UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_GROUP_HASH;
		p_counter = &(ugeth->numGroupAddrInHash);
	} else {
		p_lh = &ugeth->ind_hash_q;
		limit = ugeth->ug_info->maxIndAddrInHash;
		location =
		    UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_INDIVIDUAL_HASH;
		p_counter = &(ugeth->numIndAddrInHash);
	}

	if ((enet_addr_cont =
	     ugeth_82xx_filtering_get_match_addr_in_hash(ugeth, p_enet_addr))) {
		list_add(p_lh, &enet_addr_cont->node);	/* Put it back */
		return 0;
	}
	if ((!p_lh) || (!(*p_counter < limit)))
		return -EBUSY;
	if (!(enet_addr_cont = get_enet_addr_container()))
		return -ENOMEM;
	for (i = 0; i < ENET_NUM_OCTETS_PER_ADDRESS; i++)
		(enet_addr_cont->address)[i] = (*p_enet_addr)[i];
	enet_addr_cont->location = location;
	enqueue(p_lh, &enet_addr_cont->node);	/* Put it back */
	++(*p_counter);

1920
	hw_add_addr_in_hash(ugeth, enet_addr_cont->address);
1921 1922 1923
	return 0;
}

1924 1925
static int ugeth_82xx_filtering_clear_addr_in_hash(struct ucc_geth_private *ugeth,
						   struct enet_addr *p_enet_addr)
1926
{
1927 1928 1929 1930
	struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt;
	struct enet_addr_container *enet_addr_cont;
	struct ucc_fast_private *uccf;
	enum comm_dir comm_dir;
1931 1932 1933 1934 1935 1936 1937 1938
	u16 i, num;
	struct list_head *p_lh;
	u32 *addr_h, *addr_l;
	u8 *p_counter;

	uccf = ugeth->uccf;

	p_82xx_addr_filt =
1939
	    (struct ucc_geth_82xx_address_filtering_pram *) ugeth->p_rx_glbl_pram->
1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978
	    addressfiltering;

	if (!
	    (enet_addr_cont =
	     ugeth_82xx_filtering_get_match_addr_in_hash(ugeth, p_enet_addr)))
		return -ENOENT;

	/* It's been found and removed from the CQ. */
	/* Now destroy its container */
	put_enet_addr_container(enet_addr_cont);

	if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) {
		addr_h = &(p_82xx_addr_filt->gaddr_h);
		addr_l = &(p_82xx_addr_filt->gaddr_l);
		p_lh = &ugeth->group_hash_q;
		p_counter = &(ugeth->numGroupAddrInHash);
	} else {
		addr_h = &(p_82xx_addr_filt->iaddr_h);
		addr_l = &(p_82xx_addr_filt->iaddr_l);
		p_lh = &ugeth->ind_hash_q;
		p_counter = &(ugeth->numIndAddrInHash);
	}

	comm_dir = 0;
	if (uccf->enabled_tx)
		comm_dir |= COMM_DIR_TX;
	if (uccf->enabled_rx)
		comm_dir |= COMM_DIR_RX;
	if (comm_dir)
		ugeth_disable(ugeth, comm_dir);

	/* Clear the hash table. */
	out_be32(addr_h, 0x00000000);
	out_be32(addr_l, 0x00000000);

	/* Add all remaining CQ elements back into hash */
	num = --(*p_counter);
	for (i = 0; i < num; i++) {
		enet_addr_cont =
1979
		    (struct enet_addr_container *)
1980
		    ENET_ADDR_CONT_ENTRY(dequeue(p_lh));
1981
		hw_add_addr_in_hash(ugeth, enet_addr_cont->address);
1982 1983 1984 1985 1986 1987 1988 1989 1990 1991
		enqueue(p_lh, &enet_addr_cont->node);	/* Put it back */
	}

	if (comm_dir)
		ugeth_enable(ugeth, comm_dir);

	return 0;
}
#endif /* CONFIG_UGETH_FILTERING */

1992
static int ugeth_82xx_filtering_clear_all_addr_in_hash(struct ucc_geth_private *
1993
						       ugeth,
1994
						       enum enet_addr_type
1995 1996
						       enet_addr_type)
{
1997
	struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
1998 1999
	struct ucc_fast_private *uccf;
	enum comm_dir comm_dir;
2000 2001
	struct list_head *p_lh;
	u16 i, num;
2002 2003
	u32 __iomem *addr_h;
	u32 __iomem *addr_l;
2004 2005 2006 2007 2008
	u8 *p_counter;

	uccf = ugeth->uccf;

	p_82xx_addr_filt =
2009 2010
	    (struct ucc_geth_82xx_address_filtering_pram __iomem *)
	    ugeth->p_rx_glbl_pram->addressfiltering;
2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054

	if (enet_addr_type == ENET_ADDR_TYPE_GROUP) {
		addr_h = &(p_82xx_addr_filt->gaddr_h);
		addr_l = &(p_82xx_addr_filt->gaddr_l);
		p_lh = &ugeth->group_hash_q;
		p_counter = &(ugeth->numGroupAddrInHash);
	} else if (enet_addr_type == ENET_ADDR_TYPE_INDIVIDUAL) {
		addr_h = &(p_82xx_addr_filt->iaddr_h);
		addr_l = &(p_82xx_addr_filt->iaddr_l);
		p_lh = &ugeth->ind_hash_q;
		p_counter = &(ugeth->numIndAddrInHash);
	} else
		return -EINVAL;

	comm_dir = 0;
	if (uccf->enabled_tx)
		comm_dir |= COMM_DIR_TX;
	if (uccf->enabled_rx)
		comm_dir |= COMM_DIR_RX;
	if (comm_dir)
		ugeth_disable(ugeth, comm_dir);

	/* Clear the hash table. */
	out_be32(addr_h, 0x00000000);
	out_be32(addr_l, 0x00000000);

	if (!p_lh)
		return 0;

	num = *p_counter;

	/* Delete all remaining CQ elements */
	for (i = 0; i < num; i++)
		put_enet_addr_container(ENET_ADDR_CONT_ENTRY(dequeue(p_lh)));

	*p_counter = 0;

	if (comm_dir)
		ugeth_enable(ugeth, comm_dir);

	return 0;
}

#ifdef CONFIG_UGETH_FILTERING
2055 2056
static int ugeth_82xx_filtering_add_addr_in_paddr(struct ucc_geth_private *ugeth,
						  struct enet_addr *p_enet_addr,
2057 2058 2059 2060 2061 2062 2063 2064
						  u8 paddr_num)
{
	int i;

	if ((*p_enet_addr)[0] & ENET_GROUP_ADDR)
		ugeth_warn
		    ("%s: multicast address added to paddr will have no "
		     "effect - is this what you wanted?",
2065
		     __func__);
2066 2067 2068 2069 2070 2071 2072 2073 2074 2075

	ugeth->indAddrRegUsed[paddr_num] = 1;	/* mark this paddr as used */
	/* store address in our database */
	for (i = 0; i < ENET_NUM_OCTETS_PER_ADDRESS; i++)
		ugeth->paddr[paddr_num][i] = (*p_enet_addr)[i];
	/* put in hardware */
	return hw_add_addr_in_paddr(ugeth, p_enet_addr, paddr_num);
}
#endif /* CONFIG_UGETH_FILTERING */

2076
static int ugeth_82xx_filtering_clear_addr_in_paddr(struct ucc_geth_private *ugeth,
2077 2078 2079 2080 2081 2082
						    u8 paddr_num)
{
	ugeth->indAddrRegUsed[paddr_num] = 0; /* mark this paddr as not used */
	return hw_clear_addr_in_paddr(ugeth, paddr_num);/* clear in hardware */
}

2083
static void ucc_geth_memclean(struct ucc_geth_private *ugeth)
2084 2085
{
	u16 i, j;
2086
	u8 __iomem *bd;
2087 2088 2089 2090

	if (!ugeth)
		return;

A
Anton Vorontsov 已提交
2091
	if (ugeth->uccf) {
2092
		ucc_fast_free(ugeth->uccf);
A
Anton Vorontsov 已提交
2093 2094
		ugeth->uccf = NULL;
	}
2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155

	if (ugeth->p_thread_data_tx) {
		qe_muram_free(ugeth->thread_dat_tx_offset);
		ugeth->p_thread_data_tx = NULL;
	}
	if (ugeth->p_thread_data_rx) {
		qe_muram_free(ugeth->thread_dat_rx_offset);
		ugeth->p_thread_data_rx = NULL;
	}
	if (ugeth->p_exf_glbl_param) {
		qe_muram_free(ugeth->exf_glbl_param_offset);
		ugeth->p_exf_glbl_param = NULL;
	}
	if (ugeth->p_rx_glbl_pram) {
		qe_muram_free(ugeth->rx_glbl_pram_offset);
		ugeth->p_rx_glbl_pram = NULL;
	}
	if (ugeth->p_tx_glbl_pram) {
		qe_muram_free(ugeth->tx_glbl_pram_offset);
		ugeth->p_tx_glbl_pram = NULL;
	}
	if (ugeth->p_send_q_mem_reg) {
		qe_muram_free(ugeth->send_q_mem_reg_offset);
		ugeth->p_send_q_mem_reg = NULL;
	}
	if (ugeth->p_scheduler) {
		qe_muram_free(ugeth->scheduler_offset);
		ugeth->p_scheduler = NULL;
	}
	if (ugeth->p_tx_fw_statistics_pram) {
		qe_muram_free(ugeth->tx_fw_statistics_pram_offset);
		ugeth->p_tx_fw_statistics_pram = NULL;
	}
	if (ugeth->p_rx_fw_statistics_pram) {
		qe_muram_free(ugeth->rx_fw_statistics_pram_offset);
		ugeth->p_rx_fw_statistics_pram = NULL;
	}
	if (ugeth->p_rx_irq_coalescing_tbl) {
		qe_muram_free(ugeth->rx_irq_coalescing_tbl_offset);
		ugeth->p_rx_irq_coalescing_tbl = NULL;
	}
	if (ugeth->p_rx_bd_qs_tbl) {
		qe_muram_free(ugeth->rx_bd_qs_tbl_offset);
		ugeth->p_rx_bd_qs_tbl = NULL;
	}
	if (ugeth->p_init_enet_param_shadow) {
		return_init_enet_entries(ugeth,
					 &(ugeth->p_init_enet_param_shadow->
					   rxthread[0]),
					 ENET_INIT_PARAM_MAX_ENTRIES_RX,
					 ugeth->ug_info->riscRx, 1);
		return_init_enet_entries(ugeth,
					 &(ugeth->p_init_enet_param_shadow->
					   txthread[0]),
					 ENET_INIT_PARAM_MAX_ENTRIES_TX,
					 ugeth->ug_info->riscTx, 0);
		kfree(ugeth->p_init_enet_param_shadow);
		ugeth->p_init_enet_param_shadow = NULL;
	}
	for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
		bd = ugeth->p_tx_bd_ring[i];
2156 2157
		if (!bd)
			continue;
2158 2159
		for (j = 0; j < ugeth->ug_info->bdRingLenTx[i]; j++) {
			if (ugeth->tx_skbuff[i][j]) {
2160
				dma_unmap_single(&ugeth->dev->dev,
2161 2162
						 in_be32(&((struct qe_bd __iomem *)bd)->buf),
						 (in_be32((u32 __iomem *)bd) &
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
						  BD_LENGTH_MASK),
						 DMA_TO_DEVICE);
				dev_kfree_skb_any(ugeth->tx_skbuff[i][j]);
				ugeth->tx_skbuff[i][j] = NULL;
			}
		}

		kfree(ugeth->tx_skbuff[i]);

		if (ugeth->p_tx_bd_ring[i]) {
			if (ugeth->ug_info->uf_info.bd_mem_part ==
			    MEM_PART_SYSTEM)
				kfree((void *)ugeth->tx_bd_ring_offset[i]);
			else if (ugeth->ug_info->uf_info.bd_mem_part ==
				 MEM_PART_MURAM)
				qe_muram_free(ugeth->tx_bd_ring_offset[i]);
			ugeth->p_tx_bd_ring[i] = NULL;
		}
	}
	for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
		if (ugeth->p_rx_bd_ring[i]) {
			/* Return existing data buffers in ring */
			bd = ugeth->p_rx_bd_ring[i];
			for (j = 0; j < ugeth->ug_info->bdRingLenRx[i]; j++) {
				if (ugeth->rx_skbuff[i][j]) {
2188
					dma_unmap_single(&ugeth->dev->dev,
2189
						in_be32(&((struct qe_bd __iomem *)bd)->buf),
2190 2191 2192 2193 2194 2195
						ugeth->ug_info->
						uf_info.max_rx_buf_length +
						UCC_GETH_RX_DATA_BUF_ALIGNMENT,
						DMA_FROM_DEVICE);
					dev_kfree_skb_any(
						ugeth->rx_skbuff[i][j]);
2196 2197
					ugeth->rx_skbuff[i][j] = NULL;
				}
2198
				bd += sizeof(struct qe_bd);
2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222
			}

			kfree(ugeth->rx_skbuff[i]);

			if (ugeth->ug_info->uf_info.bd_mem_part ==
			    MEM_PART_SYSTEM)
				kfree((void *)ugeth->rx_bd_ring_offset[i]);
			else if (ugeth->ug_info->uf_info.bd_mem_part ==
				 MEM_PART_MURAM)
				qe_muram_free(ugeth->rx_bd_ring_offset[i]);
			ugeth->p_rx_bd_ring[i] = NULL;
		}
	}
	while (!list_empty(&ugeth->group_hash_q))
		put_enet_addr_container(ENET_ADDR_CONT_ENTRY
					(dequeue(&ugeth->group_hash_q)));
	while (!list_empty(&ugeth->ind_hash_q))
		put_enet_addr_container(ENET_ADDR_CONT_ENTRY
					(dequeue(&ugeth->ind_hash_q)));

}

static void ucc_geth_set_multi(struct net_device *dev)
{
2223
	struct ucc_geth_private *ugeth;
2224
	struct dev_mc_list *dmi;
2225 2226
	struct ucc_fast __iomem *uf_regs;
	struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
2227
	int i;
2228 2229 2230 2231 2232 2233 2234

	ugeth = netdev_priv(dev);

	uf_regs = ugeth->uccf->uf_regs;

	if (dev->flags & IFF_PROMISC) {

2235
		out_be32(&uf_regs->upsmr, in_be32(&uf_regs->upsmr) | UPSMR_PRO);
2236 2237 2238

	} else {

2239
		out_be32(&uf_regs->upsmr, in_be32(&uf_regs->upsmr)&~UPSMR_PRO);
2240 2241

		p_82xx_addr_filt =
2242
		    (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->
2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268
		    p_rx_glbl_pram->addressfiltering;

		if (dev->flags & IFF_ALLMULTI) {
			/* Catch all multicast addresses, so set the
			 * filter to all 1's.
			 */
			out_be32(&p_82xx_addr_filt->gaddr_h, 0xffffffff);
			out_be32(&p_82xx_addr_filt->gaddr_l, 0xffffffff);
		} else {
			/* Clear filter and add the addresses in the list.
			 */
			out_be32(&p_82xx_addr_filt->gaddr_h, 0x0);
			out_be32(&p_82xx_addr_filt->gaddr_l, 0x0);

			dmi = dev->mc_list;

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

				/* Only support group multicast for now.
				 */
				if (!(dmi->dmi_addr[0] & 1))
					continue;

				/* Ask CPM to run CRC and set bit in
				 * filter mask.
				 */
2269
				hw_add_addr_in_hash(ugeth, dmi->dmi_addr);
2270 2271 2272 2273 2274
			}
		}
	}
}

2275
static void ucc_geth_stop(struct ucc_geth_private *ugeth)
2276
{
2277
	struct ucc_geth __iomem *ug_regs = ugeth->ug_regs;
2278
	struct phy_device *phydev = ugeth->phydev;
2279 2280
	u32 tempval;

2281
	ugeth_vdbg("%s: IN", __func__);
2282 2283 2284 2285 2286

	/* Disable the controller */
	ugeth_disable(ugeth, COMM_DIR_RX_AND_TX);

	/* Tell the kernel the link is down */
2287
	phy_stop(phydev);
2288 2289

	/* Mask all interrupts */
2290
	out_be32(ugeth->uccf->p_uccm, 0x00000000);
2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304

	/* Clear all interrupts */
	out_be32(ugeth->uccf->p_ucce, 0xffffffff);

	/* Disable Rx and Tx */
	tempval = in_be32(&ug_regs->maccfg1);
	tempval &= ~(MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX);
	out_be32(&ug_regs->maccfg1, tempval);

	free_irq(ugeth->ug_info->uf_info.irq, ugeth->dev);

	ucc_geth_memclean(ugeth);
}

2305
static int ucc_struct_init(struct ucc_geth_private *ugeth)
2306
{
2307 2308
	struct ucc_geth_info *ug_info;
	struct ucc_fast_info *uf_info;
2309
	int i;
2310 2311 2312 2313 2314 2315

	ug_info = ugeth->ug_info;
	uf_info = &ug_info->uf_info;

	if (!((uf_info->bd_mem_part == MEM_PART_SYSTEM) ||
	      (uf_info->bd_mem_part == MEM_PART_MURAM))) {
2316 2317
		if (netif_msg_probe(ugeth))
			ugeth_err("%s: Bad memory partition value.",
2318
					__func__);
2319 2320 2321 2322 2323 2324 2325 2326
		return -EINVAL;
	}

	/* Rx BD lengths */
	for (i = 0; i < ug_info->numQueuesRx; i++) {
		if ((ug_info->bdRingLenRx[i] < UCC_GETH_RX_BD_RING_SIZE_MIN) ||
		    (ug_info->bdRingLenRx[i] %
		     UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT)) {
2327 2328 2329
			if (netif_msg_probe(ugeth))
				ugeth_err
				    ("%s: Rx BD ring length must be multiple of 4, no smaller than 8.",
2330
					__func__);
2331 2332 2333 2334 2335 2336 2337
			return -EINVAL;
		}
	}

	/* Tx BD lengths */
	for (i = 0; i < ug_info->numQueuesTx; i++) {
		if (ug_info->bdRingLenTx[i] < UCC_GETH_TX_BD_RING_SIZE_MIN) {
2338 2339 2340
			if (netif_msg_probe(ugeth))
				ugeth_err
				    ("%s: Tx BD ring length must be no smaller than 2.",
2341
				     __func__);
2342 2343 2344 2345 2346 2347 2348
			return -EINVAL;
		}
	}

	/* mrblr */
	if ((uf_info->max_rx_buf_length == 0) ||
	    (uf_info->max_rx_buf_length % UCC_GETH_MRBLR_ALIGNMENT)) {
2349 2350 2351
		if (netif_msg_probe(ugeth))
			ugeth_err
			    ("%s: max_rx_buf_length must be non-zero multiple of 128.",
2352
			     __func__);
2353 2354 2355 2356 2357
		return -EINVAL;
	}

	/* num Tx queues */
	if (ug_info->numQueuesTx > NUM_TX_QUEUES) {
2358
		if (netif_msg_probe(ugeth))
2359
			ugeth_err("%s: number of tx queues too large.", __func__);
2360 2361 2362 2363 2364
		return -EINVAL;
	}

	/* num Rx queues */
	if (ug_info->numQueuesRx > NUM_RX_QUEUES) {
2365
		if (netif_msg_probe(ugeth))
2366
			ugeth_err("%s: number of rx queues too large.", __func__);
2367 2368 2369 2370 2371 2372
		return -EINVAL;
	}

	/* l2qt */
	for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++) {
		if (ug_info->l2qt[i] >= ug_info->numQueuesRx) {
2373 2374 2375 2376
			if (netif_msg_probe(ugeth))
				ugeth_err
				    ("%s: VLAN priority table entry must not be"
					" larger than number of Rx queues.",
2377
				     __func__);
2378 2379 2380 2381 2382 2383 2384
			return -EINVAL;
		}
	}

	/* l3qt */
	for (i = 0; i < UCC_GETH_IP_PRIORITY_MAX; i++) {
		if (ug_info->l3qt[i] >= ug_info->numQueuesRx) {
2385 2386 2387 2388
			if (netif_msg_probe(ugeth))
				ugeth_err
				    ("%s: IP priority table entry must not be"
					" larger than number of Rx queues.",
2389
				     __func__);
2390 2391 2392 2393 2394
			return -EINVAL;
		}
	}

	if (ug_info->cam && !ug_info->ecamptr) {
2395 2396
		if (netif_msg_probe(ugeth))
			ugeth_err("%s: If cam mode is chosen, must supply cam ptr.",
2397
				  __func__);
2398 2399 2400 2401 2402 2403
		return -EINVAL;
	}

	if ((ug_info->numStationAddresses !=
	     UCC_GETH_NUM_OF_STATION_ADDRESSES_1)
	    && ug_info->rxExtendedFiltering) {
2404 2405 2406
		if (netif_msg_probe(ugeth))
			ugeth_err("%s: Number of station addresses greater than 1 "
				  "not allowed in extended parsing mode.",
2407
				  __func__);
2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418
		return -EINVAL;
	}

	/* Generate uccm_mask for receive */
	uf_info->uccm_mask = ug_info->eventRegMask & UCCE_OTHER;/* Errors */
	for (i = 0; i < ug_info->numQueuesRx; i++)
		uf_info->uccm_mask |= (UCCE_RXBF_SINGLE_MASK << i);

	for (i = 0; i < ug_info->numQueuesTx; i++)
		uf_info->uccm_mask |= (UCCE_TXBF_SINGLE_MASK << i);
	/* Initialize the general fast UCC block. */
2419
	if (ucc_fast_init(uf_info, &ugeth->uccf)) {
2420
		if (netif_msg_probe(ugeth))
2421
			ugeth_err("%s: Failed to init uccf.", __func__);
2422 2423 2424
		ucc_geth_memclean(ugeth);
		return -ENOMEM;
	}
2425

2426
	ugeth->ug_regs = (struct ucc_geth __iomem *) ioremap(uf_info->regs, sizeof(struct ucc_geth));
2427 2428 2429 2430 2431 2432

	return 0;
}

static int ucc_geth_startup(struct ucc_geth_private *ugeth)
{
2433 2434
	struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
	struct ucc_geth_init_pram __iomem *p_init_enet_pram;
2435 2436 2437
	struct ucc_fast_private *uccf;
	struct ucc_geth_info *ug_info;
	struct ucc_fast_info *uf_info;
2438 2439
	struct ucc_fast __iomem *uf_regs;
	struct ucc_geth __iomem *ug_regs;
2440 2441 2442 2443 2444 2445 2446
	int ret_val = -EINVAL;
	u32 remoder = UCC_GETH_REMODER_INIT;
	u32 init_enet_pram_offset, cecr_subblock, command, maccfg1;
	u32 ifstat, i, j, size, l2qt, l3qt, length;
	u16 temoder = UCC_GETH_TEMODER_INIT;
	u16 test;
	u8 function_code = 0;
2447 2448
	u8 __iomem *bd;
	u8 __iomem *endOfRing;
2449 2450
	u8 numThreadsRxNumerical, numThreadsTxNumerical;

2451
	ugeth_vdbg("%s: IN", __func__);
2452 2453 2454 2455 2456
	uccf = ugeth->uccf;
	ug_info = ugeth->ug_info;
	uf_info = &ug_info->uf_info;
	uf_regs = uccf->uf_regs;
	ug_regs = ugeth->ug_regs;
2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474

	switch (ug_info->numThreadsRx) {
	case UCC_GETH_NUM_OF_THREADS_1:
		numThreadsRxNumerical = 1;
		break;
	case UCC_GETH_NUM_OF_THREADS_2:
		numThreadsRxNumerical = 2;
		break;
	case UCC_GETH_NUM_OF_THREADS_4:
		numThreadsRxNumerical = 4;
		break;
	case UCC_GETH_NUM_OF_THREADS_6:
		numThreadsRxNumerical = 6;
		break;
	case UCC_GETH_NUM_OF_THREADS_8:
		numThreadsRxNumerical = 8;
		break;
	default:
2475 2476
		if (netif_msg_ifup(ugeth))
			ugeth_err("%s: Bad number of Rx threads value.",
2477
				       	__func__);
2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499
		ucc_geth_memclean(ugeth);
		return -EINVAL;
		break;
	}

	switch (ug_info->numThreadsTx) {
	case UCC_GETH_NUM_OF_THREADS_1:
		numThreadsTxNumerical = 1;
		break;
	case UCC_GETH_NUM_OF_THREADS_2:
		numThreadsTxNumerical = 2;
		break;
	case UCC_GETH_NUM_OF_THREADS_4:
		numThreadsTxNumerical = 4;
		break;
	case UCC_GETH_NUM_OF_THREADS_6:
		numThreadsTxNumerical = 6;
		break;
	case UCC_GETH_NUM_OF_THREADS_8:
		numThreadsTxNumerical = 8;
		break;
	default:
2500 2501
		if (netif_msg_ifup(ugeth))
			ugeth_err("%s: Bad number of Tx threads value.",
2502
				       	__func__);
2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533
		ucc_geth_memclean(ugeth);
		return -EINVAL;
		break;
	}

	/* Calculate rx_extended_features */
	ugeth->rx_non_dynamic_extended_features = ug_info->ipCheckSumCheck ||
	    ug_info->ipAddressAlignment ||
	    (ug_info->numStationAddresses !=
	     UCC_GETH_NUM_OF_STATION_ADDRESSES_1);

	ugeth->rx_extended_features = ugeth->rx_non_dynamic_extended_features ||
	    (ug_info->vlanOperationTagged != UCC_GETH_VLAN_OPERATION_TAGGED_NOP)
	    || (ug_info->vlanOperationNonTagged !=
		UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP);

	init_default_reg_vals(&uf_regs->upsmr,
			      &ug_regs->maccfg1, &ug_regs->maccfg2);

	/*                    Set UPSMR                      */
	/* For more details see the hardware spec.           */
	init_rx_parameters(ug_info->bro,
			   ug_info->rsh, ug_info->pro, &uf_regs->upsmr);

	/* We're going to ignore other registers for now, */
	/* except as needed to get up and running         */

	/*                    Set MACCFG1                    */
	/* For more details see the hardware spec.           */
	init_flow_control_params(ug_info->aufc,
				 ug_info->receiveFlowControl,
L
Li Yang 已提交
2534
				 ug_info->transmitFlowControl,
2535 2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553
				 ug_info->pausePeriod,
				 ug_info->extensionField,
				 &uf_regs->upsmr,
				 &ug_regs->uempr, &ug_regs->maccfg1);

	maccfg1 = in_be32(&ug_regs->maccfg1);
	maccfg1 |= MACCFG1_ENABLE_RX;
	maccfg1 |= MACCFG1_ENABLE_TX;
	out_be32(&ug_regs->maccfg1, maccfg1);

	/*                    Set IPGIFG                     */
	/* For more details see the hardware spec.           */
	ret_val = init_inter_frame_gap_params(ug_info->nonBackToBackIfgPart1,
					      ug_info->nonBackToBackIfgPart2,
					      ug_info->
					      miminumInterFrameGapEnforcement,
					      ug_info->backToBackInterFrameGap,
					      &ug_regs->ipgifg);
	if (ret_val != 0) {
2554 2555
		if (netif_msg_ifup(ugeth))
			ugeth_err("%s: IPGIFG initialization parameter too large.",
2556
				  __func__);
2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571
		ucc_geth_memclean(ugeth);
		return ret_val;
	}

	/*                    Set HAFDUP                     */
	/* For more details see the hardware spec.           */
	ret_val = init_half_duplex_params(ug_info->altBeb,
					  ug_info->backPressureNoBackoff,
					  ug_info->noBackoff,
					  ug_info->excessDefer,
					  ug_info->altBebTruncation,
					  ug_info->maxRetransmission,
					  ug_info->collisionWindow,
					  &ug_regs->hafdup);
	if (ret_val != 0) {
2572 2573
		if (netif_msg_ifup(ugeth))
			ugeth_err("%s: Half Duplex initialization parameter too large.",
2574
			  __func__);
2575 2576 2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598
		ucc_geth_memclean(ugeth);
		return ret_val;
	}

	/*                    Set IFSTAT                     */
	/* For more details see the hardware spec.           */
	/* Read only - resets upon read                      */
	ifstat = in_be32(&ug_regs->ifstat);

	/*                    Clear UEMPR                    */
	/* For more details see the hardware spec.           */
	out_be32(&ug_regs->uempr, 0);

	/*                    Set UESCR                      */
	/* For more details see the hardware spec.           */
	init_hw_statistics_gathering_mode((ug_info->statisticsMode &
				UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE),
				0, &uf_regs->upsmr, &ug_regs->uescr);

	/* Allocate Tx bds */
	for (j = 0; j < ug_info->numQueuesTx; j++) {
		/* Allocate in multiple of
		   UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT,
		   according to spec */
2599
		length = ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd))
2600 2601
			  / UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
		    * UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
2602
		if ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)) %
2603 2604 2605 2606 2607 2608 2609
		    UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
			length += UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
		if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
			u32 align = 4;
			if (UCC_GETH_TX_BD_RING_ALIGNMENT > 4)
				align = UCC_GETH_TX_BD_RING_ALIGNMENT;
			ugeth->tx_bd_ring_offset[j] =
2610
				(u32) kmalloc((u32) (length + align), GFP_KERNEL);
2611

2612 2613
			if (ugeth->tx_bd_ring_offset[j] != 0)
				ugeth->p_tx_bd_ring[j] =
2614
					(u8 __iomem *)((ugeth->tx_bd_ring_offset[j] +
2615 2616 2617 2618 2619
					align) & ~(align - 1));
		} else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
			ugeth->tx_bd_ring_offset[j] =
			    qe_muram_alloc(length,
					   UCC_GETH_TX_BD_RING_ALIGNMENT);
2620
			if (!IS_ERR_VALUE(ugeth->tx_bd_ring_offset[j]))
2621
				ugeth->p_tx_bd_ring[j] =
2622
				    (u8 __iomem *) qe_muram_addr(ugeth->
2623 2624 2625
							 tx_bd_ring_offset[j]);
		}
		if (!ugeth->p_tx_bd_ring[j]) {
2626 2627 2628
			if (netif_msg_ifup(ugeth))
				ugeth_err
				    ("%s: Can not allocate memory for Tx bd rings.",
2629
				     __func__);
2630 2631 2632 2633
			ucc_geth_memclean(ugeth);
			return -ENOMEM;
		}
		/* Zero unused end of bd ring, according to spec */
2634 2635
		memset_io((void __iomem *)(ugeth->p_tx_bd_ring[j] +
		       ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)), 0,
2636
		       length - ug_info->bdRingLenTx[j] * sizeof(struct qe_bd));
2637 2638 2639 2640
	}

	/* Allocate Rx bds */
	for (j = 0; j < ug_info->numQueuesRx; j++) {
2641
		length = ug_info->bdRingLenRx[j] * sizeof(struct qe_bd);
2642 2643 2644 2645 2646
		if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
			u32 align = 4;
			if (UCC_GETH_RX_BD_RING_ALIGNMENT > 4)
				align = UCC_GETH_RX_BD_RING_ALIGNMENT;
			ugeth->rx_bd_ring_offset[j] =
2647
				(u32) kmalloc((u32) (length + align), GFP_KERNEL);
2648 2649
			if (ugeth->rx_bd_ring_offset[j] != 0)
				ugeth->p_rx_bd_ring[j] =
2650
					(u8 __iomem *)((ugeth->rx_bd_ring_offset[j] +
2651 2652 2653 2654 2655
					align) & ~(align - 1));
		} else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
			ugeth->rx_bd_ring_offset[j] =
			    qe_muram_alloc(length,
					   UCC_GETH_RX_BD_RING_ALIGNMENT);
2656
			if (!IS_ERR_VALUE(ugeth->rx_bd_ring_offset[j]))
2657
				ugeth->p_rx_bd_ring[j] =
2658
				    (u8 __iomem *) qe_muram_addr(ugeth->
2659 2660 2661
							 rx_bd_ring_offset[j]);
		}
		if (!ugeth->p_rx_bd_ring[j]) {
2662 2663 2664
			if (netif_msg_ifup(ugeth))
				ugeth_err
				    ("%s: Can not allocate memory for Rx bd rings.",
2665
				     __func__);
2666 2667 2668 2669 2670 2671 2672 2673
			ucc_geth_memclean(ugeth);
			return -ENOMEM;
		}
	}

	/* Init Tx bds */
	for (j = 0; j < ug_info->numQueuesTx; j++) {
		/* Setup the skbuff rings */
2674 2675 2676
		ugeth->tx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
					      ugeth->ug_info->bdRingLenTx[j],
					      GFP_KERNEL);
2677 2678

		if (ugeth->tx_skbuff[j] == NULL) {
2679 2680
			if (netif_msg_ifup(ugeth))
				ugeth_err("%s: Could not allocate tx_skbuff",
2681
					  __func__);
2682 2683 2684 2685 2686 2687 2688 2689 2690 2691
			ucc_geth_memclean(ugeth);
			return -ENOMEM;
		}

		for (i = 0; i < ugeth->ug_info->bdRingLenTx[j]; i++)
			ugeth->tx_skbuff[j][i] = NULL;

		ugeth->skb_curtx[j] = ugeth->skb_dirtytx[j] = 0;
		bd = ugeth->confBd[j] = ugeth->txBd[j] = ugeth->p_tx_bd_ring[j];
		for (i = 0; i < ug_info->bdRingLenTx[j]; i++) {
2692
			/* clear bd buffer */
2693
			out_be32(&((struct qe_bd __iomem *)bd)->buf, 0);
2694
			/* set bd status and length */
2695
			out_be32((u32 __iomem *)bd, 0);
2696
			bd += sizeof(struct qe_bd);
2697
		}
2698 2699
		bd -= sizeof(struct qe_bd);
		/* set bd status and length */
2700
		out_be32((u32 __iomem *)bd, T_W); /* for last BD set Wrap bit */
2701 2702 2703 2704 2705
	}

	/* Init Rx bds */
	for (j = 0; j < ug_info->numQueuesRx; j++) {
		/* Setup the skbuff rings */
2706 2707 2708
		ugeth->rx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
					      ugeth->ug_info->bdRingLenRx[j],
					      GFP_KERNEL);
2709 2710

		if (ugeth->rx_skbuff[j] == NULL) {
2711 2712
			if (netif_msg_ifup(ugeth))
				ugeth_err("%s: Could not allocate rx_skbuff",
2713
					  __func__);
2714 2715 2716 2717 2718 2719 2720 2721 2722 2723
			ucc_geth_memclean(ugeth);
			return -ENOMEM;
		}

		for (i = 0; i < ugeth->ug_info->bdRingLenRx[j]; i++)
			ugeth->rx_skbuff[j][i] = NULL;

		ugeth->skb_currx[j] = 0;
		bd = ugeth->rxBd[j] = ugeth->p_rx_bd_ring[j];
		for (i = 0; i < ug_info->bdRingLenRx[j]; i++) {
2724
			/* set bd status and length */
2725
			out_be32((u32 __iomem *)bd, R_I);
2726
			/* clear bd buffer */
2727
			out_be32(&((struct qe_bd __iomem *)bd)->buf, 0);
2728
			bd += sizeof(struct qe_bd);
2729
		}
2730 2731
		bd -= sizeof(struct qe_bd);
		/* set bd status and length */
2732
		out_be32((u32 __iomem *)bd, R_W); /* for last BD set Wrap bit */
2733 2734 2735 2736 2737 2738 2739 2740
	}

	/*
	 * Global PRAM
	 */
	/* Tx global PRAM */
	/* Allocate global tx parameter RAM page */
	ugeth->tx_glbl_pram_offset =
2741
	    qe_muram_alloc(sizeof(struct ucc_geth_tx_global_pram),
2742
			   UCC_GETH_TX_GLOBAL_PRAM_ALIGNMENT);
2743
	if (IS_ERR_VALUE(ugeth->tx_glbl_pram_offset)) {
2744 2745 2746
		if (netif_msg_ifup(ugeth))
			ugeth_err
			    ("%s: Can not allocate DPRAM memory for p_tx_glbl_pram.",
2747
			     __func__);
2748 2749 2750 2751
		ucc_geth_memclean(ugeth);
		return -ENOMEM;
	}
	ugeth->p_tx_glbl_pram =
2752
	    (struct ucc_geth_tx_global_pram __iomem *) qe_muram_addr(ugeth->
2753 2754
							tx_glbl_pram_offset);
	/* Zero out p_tx_glbl_pram */
2755
	memset_io((void __iomem *)ugeth->p_tx_glbl_pram, 0, sizeof(struct ucc_geth_tx_global_pram));
2756 2757 2758 2759 2760 2761 2762

	/* Fill global PRAM */

	/* TQPTR */
	/* Size varies with number of Tx threads */
	ugeth->thread_dat_tx_offset =
	    qe_muram_alloc(numThreadsTxNumerical *
2763
			   sizeof(struct ucc_geth_thread_data_tx) +
2764 2765
			   32 * (numThreadsTxNumerical == 1),
			   UCC_GETH_THREAD_DATA_ALIGNMENT);
2766
	if (IS_ERR_VALUE(ugeth->thread_dat_tx_offset)) {
2767 2768 2769
		if (netif_msg_ifup(ugeth))
			ugeth_err
			    ("%s: Can not allocate DPRAM memory for p_thread_data_tx.",
2770
			     __func__);
2771 2772 2773 2774 2775
		ucc_geth_memclean(ugeth);
		return -ENOMEM;
	}

	ugeth->p_thread_data_tx =
2776
	    (struct ucc_geth_thread_data_tx __iomem *) qe_muram_addr(ugeth->
2777 2778 2779 2780 2781 2782 2783 2784 2785 2786
							thread_dat_tx_offset);
	out_be32(&ugeth->p_tx_glbl_pram->tqptr, ugeth->thread_dat_tx_offset);

	/* vtagtable */
	for (i = 0; i < UCC_GETH_TX_VTAG_TABLE_ENTRY_MAX; i++)
		out_be32(&ugeth->p_tx_glbl_pram->vtagtable[i],
			 ug_info->vtagtable[i]);

	/* iphoffset */
	for (i = 0; i < TX_IP_OFFSET_ENTRY_MAX; i++)
2787 2788
		out_8(&ugeth->p_tx_glbl_pram->iphoffset[i],
				ug_info->iphoffset[i]);
2789 2790 2791 2792 2793

	/* SQPTR */
	/* Size varies with number of Tx queues */
	ugeth->send_q_mem_reg_offset =
	    qe_muram_alloc(ug_info->numQueuesTx *
2794
			   sizeof(struct ucc_geth_send_queue_qd),
2795
			   UCC_GETH_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT);
2796
	if (IS_ERR_VALUE(ugeth->send_q_mem_reg_offset)) {
2797 2798 2799
		if (netif_msg_ifup(ugeth))
			ugeth_err
			    ("%s: Can not allocate DPRAM memory for p_send_q_mem_reg.",
2800
			     __func__);
2801 2802 2803 2804 2805
		ucc_geth_memclean(ugeth);
		return -ENOMEM;
	}

	ugeth->p_send_q_mem_reg =
2806
	    (struct ucc_geth_send_queue_mem_region __iomem *) qe_muram_addr(ugeth->
2807 2808 2809 2810 2811 2812 2813 2814
			send_q_mem_reg_offset);
	out_be32(&ugeth->p_tx_glbl_pram->sqptr, ugeth->send_q_mem_reg_offset);

	/* Setup the table */
	/* Assume BD rings are already established */
	for (i = 0; i < ug_info->numQueuesTx; i++) {
		endOfRing =
		    ugeth->p_tx_bd_ring[i] + (ug_info->bdRingLenTx[i] -
2815
					      1) * sizeof(struct qe_bd);
2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837
		if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) {
			out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
				 (u32) virt_to_phys(ugeth->p_tx_bd_ring[i]));
			out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
				 last_bd_completed_address,
				 (u32) virt_to_phys(endOfRing));
		} else if (ugeth->ug_info->uf_info.bd_mem_part ==
			   MEM_PART_MURAM) {
			out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
				 (u32) immrbar_virt_to_phys(ugeth->
							    p_tx_bd_ring[i]));
			out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
				 last_bd_completed_address,
				 (u32) immrbar_virt_to_phys(endOfRing));
		}
	}

	/* schedulerbasepointer */

	if (ug_info->numQueuesTx > 1) {
	/* scheduler exists only if more than 1 tx queue */
		ugeth->scheduler_offset =
2838
		    qe_muram_alloc(sizeof(struct ucc_geth_scheduler),
2839
				   UCC_GETH_SCHEDULER_ALIGNMENT);
2840
		if (IS_ERR_VALUE(ugeth->scheduler_offset)) {
2841 2842 2843
			if (netif_msg_ifup(ugeth))
				ugeth_err
				 ("%s: Can not allocate DPRAM memory for p_scheduler.",
2844
				     __func__);
2845 2846 2847 2848 2849
			ucc_geth_memclean(ugeth);
			return -ENOMEM;
		}

		ugeth->p_scheduler =
2850
		    (struct ucc_geth_scheduler __iomem *) qe_muram_addr(ugeth->
2851 2852 2853 2854
							   scheduler_offset);
		out_be32(&ugeth->p_tx_glbl_pram->schedulerbasepointer,
			 ugeth->scheduler_offset);
		/* Zero out p_scheduler */
2855
		memset_io((void __iomem *)ugeth->p_scheduler, 0, sizeof(struct ucc_geth_scheduler));
2856 2857 2858 2859 2860 2861

		/* Set values in scheduler */
		out_be32(&ugeth->p_scheduler->mblinterval,
			 ug_info->mblinterval);
		out_be16(&ugeth->p_scheduler->nortsrbytetime,
			 ug_info->nortsrbytetime);
2862 2863 2864 2865 2866
		out_8(&ugeth->p_scheduler->fracsiz, ug_info->fracsiz);
		out_8(&ugeth->p_scheduler->strictpriorityq,
				ug_info->strictpriorityq);
		out_8(&ugeth->p_scheduler->txasap, ug_info->txasap);
		out_8(&ugeth->p_scheduler->extrabw, ug_info->extrabw);
2867
		for (i = 0; i < NUM_TX_QUEUES; i++)
2868 2869
			out_8(&ugeth->p_scheduler->weightfactor[i],
			    ug_info->weightfactor[i]);
2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880 2881 2882 2883 2884 2885 2886 2887

		/* Set pointers to cpucount registers in scheduler */
		ugeth->p_cpucount[0] = &(ugeth->p_scheduler->cpucount0);
		ugeth->p_cpucount[1] = &(ugeth->p_scheduler->cpucount1);
		ugeth->p_cpucount[2] = &(ugeth->p_scheduler->cpucount2);
		ugeth->p_cpucount[3] = &(ugeth->p_scheduler->cpucount3);
		ugeth->p_cpucount[4] = &(ugeth->p_scheduler->cpucount4);
		ugeth->p_cpucount[5] = &(ugeth->p_scheduler->cpucount5);
		ugeth->p_cpucount[6] = &(ugeth->p_scheduler->cpucount6);
		ugeth->p_cpucount[7] = &(ugeth->p_scheduler->cpucount7);
	}

	/* schedulerbasepointer */
	/* TxRMON_PTR (statistics) */
	if (ug_info->
	    statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) {
		ugeth->tx_fw_statistics_pram_offset =
		    qe_muram_alloc(sizeof
2888
				   (struct ucc_geth_tx_firmware_statistics_pram),
2889
				   UCC_GETH_TX_STATISTICS_ALIGNMENT);
2890
		if (IS_ERR_VALUE(ugeth->tx_fw_statistics_pram_offset)) {
2891 2892 2893 2894
			if (netif_msg_ifup(ugeth))
				ugeth_err
				    ("%s: Can not allocate DPRAM memory for"
					" p_tx_fw_statistics_pram.",
2895
				       	__func__);
2896 2897 2898 2899
			ucc_geth_memclean(ugeth);
			return -ENOMEM;
		}
		ugeth->p_tx_fw_statistics_pram =
2900
		    (struct ucc_geth_tx_firmware_statistics_pram __iomem *)
2901 2902
		    qe_muram_addr(ugeth->tx_fw_statistics_pram_offset);
		/* Zero out p_tx_fw_statistics_pram */
2903
		memset_io((void __iomem *)ugeth->p_tx_fw_statistics_pram,
2904
		       0, sizeof(struct ucc_geth_tx_firmware_statistics_pram));
2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919
	}

	/* temoder */
	/* Already has speed set */

	if (ug_info->numQueuesTx > 1)
		temoder |= TEMODER_SCHEDULER_ENABLE;
	if (ug_info->ipCheckSumGenerate)
		temoder |= TEMODER_IP_CHECKSUM_GENERATE;
	temoder |= ((ug_info->numQueuesTx - 1) << TEMODER_NUM_OF_QUEUES_SHIFT);
	out_be16(&ugeth->p_tx_glbl_pram->temoder, temoder);

	test = in_be16(&ugeth->p_tx_glbl_pram->temoder);

	/* Function code register value to be used later */
2920
	function_code = UCC_BMR_BO_BE | UCC_BMR_GBL;
2921 2922 2923 2924 2925 2926 2927 2928
	/* Required for QE */

	/* function code register */
	out_be32(&ugeth->p_tx_glbl_pram->tstate, ((u32) function_code) << 24);

	/* Rx global PRAM */
	/* Allocate global rx parameter RAM page */
	ugeth->rx_glbl_pram_offset =
2929
	    qe_muram_alloc(sizeof(struct ucc_geth_rx_global_pram),
2930
			   UCC_GETH_RX_GLOBAL_PRAM_ALIGNMENT);
2931
	if (IS_ERR_VALUE(ugeth->rx_glbl_pram_offset)) {
2932 2933 2934
		if (netif_msg_ifup(ugeth))
			ugeth_err
			    ("%s: Can not allocate DPRAM memory for p_rx_glbl_pram.",
2935
			     __func__);
2936 2937 2938 2939
		ucc_geth_memclean(ugeth);
		return -ENOMEM;
	}
	ugeth->p_rx_glbl_pram =
2940
	    (struct ucc_geth_rx_global_pram __iomem *) qe_muram_addr(ugeth->
2941 2942
							rx_glbl_pram_offset);
	/* Zero out p_rx_glbl_pram */
2943
	memset_io((void __iomem *)ugeth->p_rx_glbl_pram, 0, sizeof(struct ucc_geth_rx_global_pram));
2944 2945 2946 2947 2948 2949 2950

	/* Fill global PRAM */

	/* RQPTR */
	/* Size varies with number of Rx threads */
	ugeth->thread_dat_rx_offset =
	    qe_muram_alloc(numThreadsRxNumerical *
2951
			   sizeof(struct ucc_geth_thread_data_rx),
2952
			   UCC_GETH_THREAD_DATA_ALIGNMENT);
2953
	if (IS_ERR_VALUE(ugeth->thread_dat_rx_offset)) {
2954 2955 2956
		if (netif_msg_ifup(ugeth))
			ugeth_err
			    ("%s: Can not allocate DPRAM memory for p_thread_data_rx.",
2957
			     __func__);
2958 2959 2960 2961 2962
		ucc_geth_memclean(ugeth);
		return -ENOMEM;
	}

	ugeth->p_thread_data_rx =
2963
	    (struct ucc_geth_thread_data_rx __iomem *) qe_muram_addr(ugeth->
2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974
							thread_dat_rx_offset);
	out_be32(&ugeth->p_rx_glbl_pram->rqptr, ugeth->thread_dat_rx_offset);

	/* typeorlen */
	out_be16(&ugeth->p_rx_glbl_pram->typeorlen, ug_info->typeorlen);

	/* rxrmonbaseptr (statistics) */
	if (ug_info->
	    statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) {
		ugeth->rx_fw_statistics_pram_offset =
		    qe_muram_alloc(sizeof
2975
				   (struct ucc_geth_rx_firmware_statistics_pram),
2976
				   UCC_GETH_RX_STATISTICS_ALIGNMENT);
2977
		if (IS_ERR_VALUE(ugeth->rx_fw_statistics_pram_offset)) {
2978 2979 2980
			if (netif_msg_ifup(ugeth))
				ugeth_err
					("%s: Can not allocate DPRAM memory for"
2981
					" p_rx_fw_statistics_pram.", __func__);
2982 2983 2984 2985
			ucc_geth_memclean(ugeth);
			return -ENOMEM;
		}
		ugeth->p_rx_fw_statistics_pram =
2986
		    (struct ucc_geth_rx_firmware_statistics_pram __iomem *)
2987 2988
		    qe_muram_addr(ugeth->rx_fw_statistics_pram_offset);
		/* Zero out p_rx_fw_statistics_pram */
2989
		memset_io((void __iomem *)ugeth->p_rx_fw_statistics_pram, 0,
2990
		       sizeof(struct ucc_geth_rx_firmware_statistics_pram));
2991 2992 2993 2994 2995 2996 2997
	}

	/* intCoalescingPtr */

	/* Size varies with number of Rx queues */
	ugeth->rx_irq_coalescing_tbl_offset =
	    qe_muram_alloc(ug_info->numQueuesRx *
2998 2999
			   sizeof(struct ucc_geth_rx_interrupt_coalescing_entry)
			   + 4, UCC_GETH_RX_INTERRUPT_COALESCING_ALIGNMENT);
3000
	if (IS_ERR_VALUE(ugeth->rx_irq_coalescing_tbl_offset)) {
3001 3002 3003
		if (netif_msg_ifup(ugeth))
			ugeth_err
			    ("%s: Can not allocate DPRAM memory for"
3004
				" p_rx_irq_coalescing_tbl.", __func__);
3005 3006 3007 3008 3009
		ucc_geth_memclean(ugeth);
		return -ENOMEM;
	}

	ugeth->p_rx_irq_coalescing_tbl =
3010
	    (struct ucc_geth_rx_interrupt_coalescing_table __iomem *)
3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024 3025 3026 3027 3028 3029 3030 3031 3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042 3043 3044 3045 3046 3047 3048 3049
	    qe_muram_addr(ugeth->rx_irq_coalescing_tbl_offset);
	out_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr,
		 ugeth->rx_irq_coalescing_tbl_offset);

	/* Fill interrupt coalescing table */
	for (i = 0; i < ug_info->numQueuesRx; i++) {
		out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i].
			 interruptcoalescingmaxvalue,
			 ug_info->interruptcoalescingmaxvalue[i]);
		out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i].
			 interruptcoalescingcounter,
			 ug_info->interruptcoalescingmaxvalue[i]);
	}

	/* MRBLR */
	init_max_rx_buff_len(uf_info->max_rx_buf_length,
			     &ugeth->p_rx_glbl_pram->mrblr);
	/* MFLR */
	out_be16(&ugeth->p_rx_glbl_pram->mflr, ug_info->maxFrameLength);
	/* MINFLR */
	init_min_frame_len(ug_info->minFrameLength,
			   &ugeth->p_rx_glbl_pram->minflr,
			   &ugeth->p_rx_glbl_pram->mrblr);
	/* MAXD1 */
	out_be16(&ugeth->p_rx_glbl_pram->maxd1, ug_info->maxD1Length);
	/* MAXD2 */
	out_be16(&ugeth->p_rx_glbl_pram->maxd2, ug_info->maxD2Length);

	/* l2qt */
	l2qt = 0;
	for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++)
		l2qt |= (ug_info->l2qt[i] << (28 - 4 * i));
	out_be32(&ugeth->p_rx_glbl_pram->l2qt, l2qt);

	/* l3qt */
	for (j = 0; j < UCC_GETH_IP_PRIORITY_MAX; j += 8) {
		l3qt = 0;
		for (i = 0; i < 8; i++)
			l3qt |= (ug_info->l3qt[j + i] << (28 - 4 * i));
3050
		out_be32(&ugeth->p_rx_glbl_pram->l3qt[j/8], l3qt);
3051 3052 3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063 3064 3065
	}

	/* vlantype */
	out_be16(&ugeth->p_rx_glbl_pram->vlantype, ug_info->vlantype);

	/* vlantci */
	out_be16(&ugeth->p_rx_glbl_pram->vlantci, ug_info->vlantci);

	/* ecamptr */
	out_be32(&ugeth->p_rx_glbl_pram->ecamptr, ug_info->ecamptr);

	/* RBDQPTR */
	/* Size varies with number of Rx queues */
	ugeth->rx_bd_qs_tbl_offset =
	    qe_muram_alloc(ug_info->numQueuesRx *
3066 3067
			   (sizeof(struct ucc_geth_rx_bd_queues_entry) +
			    sizeof(struct ucc_geth_rx_prefetched_bds)),
3068
			   UCC_GETH_RX_BD_QUEUES_ALIGNMENT);
3069
	if (IS_ERR_VALUE(ugeth->rx_bd_qs_tbl_offset)) {
3070 3071 3072
		if (netif_msg_ifup(ugeth))
			ugeth_err
			    ("%s: Can not allocate DPRAM memory for p_rx_bd_qs_tbl.",
3073
			     __func__);
3074 3075 3076 3077 3078
		ucc_geth_memclean(ugeth);
		return -ENOMEM;
	}

	ugeth->p_rx_bd_qs_tbl =
3079
	    (struct ucc_geth_rx_bd_queues_entry __iomem *) qe_muram_addr(ugeth->
3080 3081 3082
				    rx_bd_qs_tbl_offset);
	out_be32(&ugeth->p_rx_glbl_pram->rbdqptr, ugeth->rx_bd_qs_tbl_offset);
	/* Zero out p_rx_bd_qs_tbl */
3083
	memset_io((void __iomem *)ugeth->p_rx_bd_qs_tbl,
3084
	       0,
3085 3086
	       ug_info->numQueuesRx * (sizeof(struct ucc_geth_rx_bd_queues_entry) +
				       sizeof(struct ucc_geth_rx_prefetched_bds)));
3087 3088 3089 3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100 3101 3102 3103 3104 3105 3106 3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141 3142

	/* Setup the table */
	/* Assume BD rings are already established */
	for (i = 0; i < ug_info->numQueuesRx; i++) {
		if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) {
			out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
				 (u32) virt_to_phys(ugeth->p_rx_bd_ring[i]));
		} else if (ugeth->ug_info->uf_info.bd_mem_part ==
			   MEM_PART_MURAM) {
			out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
				 (u32) immrbar_virt_to_phys(ugeth->
							    p_rx_bd_ring[i]));
		}
		/* rest of fields handled by QE */
	}

	/* remoder */
	/* Already has speed set */

	if (ugeth->rx_extended_features)
		remoder |= REMODER_RX_EXTENDED_FEATURES;
	if (ug_info->rxExtendedFiltering)
		remoder |= REMODER_RX_EXTENDED_FILTERING;
	if (ug_info->dynamicMaxFrameLength)
		remoder |= REMODER_DYNAMIC_MAX_FRAME_LENGTH;
	if (ug_info->dynamicMinFrameLength)
		remoder |= REMODER_DYNAMIC_MIN_FRAME_LENGTH;
	remoder |=
	    ug_info->vlanOperationTagged << REMODER_VLAN_OPERATION_TAGGED_SHIFT;
	remoder |=
	    ug_info->
	    vlanOperationNonTagged << REMODER_VLAN_OPERATION_NON_TAGGED_SHIFT;
	remoder |= ug_info->rxQoSMode << REMODER_RX_QOS_MODE_SHIFT;
	remoder |= ((ug_info->numQueuesRx - 1) << REMODER_NUM_OF_QUEUES_SHIFT);
	if (ug_info->ipCheckSumCheck)
		remoder |= REMODER_IP_CHECKSUM_CHECK;
	if (ug_info->ipAddressAlignment)
		remoder |= REMODER_IP_ADDRESS_ALIGNMENT;
	out_be32(&ugeth->p_rx_glbl_pram->remoder, remoder);

	/* Note that this function must be called */
	/* ONLY AFTER p_tx_fw_statistics_pram */
	/* andp_UccGethRxFirmwareStatisticsPram are allocated ! */
	init_firmware_statistics_gathering_mode((ug_info->
		statisticsMode &
		UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX),
		(ug_info->statisticsMode &
		UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX),
		&ugeth->p_tx_glbl_pram->txrmonbaseptr,
		ugeth->tx_fw_statistics_pram_offset,
		&ugeth->p_rx_glbl_pram->rxrmonbaseptr,
		ugeth->rx_fw_statistics_pram_offset,
		&ugeth->p_tx_glbl_pram->temoder,
		&ugeth->p_rx_glbl_pram->remoder);

	/* function code register */
3143
	out_8(&ugeth->p_rx_glbl_pram->rstate, function_code);
3144 3145 3146 3147

	/* initialize extended filtering */
	if (ug_info->rxExtendedFiltering) {
		if (!ug_info->extendedFilteringChainPointer) {
3148 3149
			if (netif_msg_ifup(ugeth))
				ugeth_err("%s: Null Extended Filtering Chain Pointer.",
3150
					  __func__);
3151 3152 3153 3154 3155 3156 3157
			ucc_geth_memclean(ugeth);
			return -EINVAL;
		}

		/* Allocate memory for extended filtering Mode Global
		Parameters */
		ugeth->exf_glbl_param_offset =
3158
		    qe_muram_alloc(sizeof(struct ucc_geth_exf_global_pram),
3159
		UCC_GETH_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT);
3160
		if (IS_ERR_VALUE(ugeth->exf_glbl_param_offset)) {
3161 3162 3163
			if (netif_msg_ifup(ugeth))
				ugeth_err
					("%s: Can not allocate DPRAM memory for"
3164
					" p_exf_glbl_param.", __func__);
3165 3166 3167 3168 3169
			ucc_geth_memclean(ugeth);
			return -ENOMEM;
		}

		ugeth->p_exf_glbl_param =
3170
		    (struct ucc_geth_exf_global_pram __iomem *) qe_muram_addr(ugeth->
3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184
				 exf_glbl_param_offset);
		out_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam,
			 ugeth->exf_glbl_param_offset);
		out_be32(&ugeth->p_exf_glbl_param->l2pcdptr,
			 (u32) ug_info->extendedFilteringChainPointer);

	} else {		/* initialize 82xx style address filtering */

		/* Init individual address recognition registers to disabled */

		for (j = 0; j < NUM_OF_PADDRS; j++)
			ugeth_82xx_filtering_clear_addr_in_paddr(ugeth, (u8) j);

		p_82xx_addr_filt =
3185
		    (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->
3186 3187 3188 3189 3190 3191 3192 3193 3194 3195 3196 3197 3198 3199 3200 3201 3202 3203 3204 3205 3206 3207
		    p_rx_glbl_pram->addressfiltering;

		ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth,
			ENET_ADDR_TYPE_GROUP);
		ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth,
			ENET_ADDR_TYPE_INDIVIDUAL);
	}

	/*
	 * Initialize UCC at QE level
	 */

	command = QE_INIT_TX_RX;

	/* Allocate shadow InitEnet command parameter structure.
	 * This is needed because after the InitEnet command is executed,
	 * the structure in DPRAM is released, because DPRAM is a premium
	 * resource.
	 * This shadow structure keeps a copy of what was done so that the
	 * allocated resources can be released when the channel is freed.
	 */
	if (!(ugeth->p_init_enet_param_shadow =
3208
	      kmalloc(sizeof(struct ucc_geth_init_pram), GFP_KERNEL))) {
3209 3210 3211
		if (netif_msg_ifup(ugeth))
			ugeth_err
			    ("%s: Can not allocate memory for"
3212
				" p_UccInitEnetParamShadows.", __func__);
3213 3214 3215 3216 3217
		ucc_geth_memclean(ugeth);
		return -ENOMEM;
	}
	/* Zero out *p_init_enet_param_shadow */
	memset((char *)ugeth->p_init_enet_param_shadow,
3218
	       0, sizeof(struct ucc_geth_init_pram));
3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235 3236 3237 3238 3239 3240 3241 3242 3243 3244

	/* Fill shadow InitEnet command parameter structure */

	ugeth->p_init_enet_param_shadow->resinit1 =
	    ENET_INIT_PARAM_MAGIC_RES_INIT1;
	ugeth->p_init_enet_param_shadow->resinit2 =
	    ENET_INIT_PARAM_MAGIC_RES_INIT2;
	ugeth->p_init_enet_param_shadow->resinit3 =
	    ENET_INIT_PARAM_MAGIC_RES_INIT3;
	ugeth->p_init_enet_param_shadow->resinit4 =
	    ENET_INIT_PARAM_MAGIC_RES_INIT4;
	ugeth->p_init_enet_param_shadow->resinit5 =
	    ENET_INIT_PARAM_MAGIC_RES_INIT5;
	ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
	    ((u32) ug_info->numThreadsRx) << ENET_INIT_PARAM_RGF_SHIFT;
	ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
	    ((u32) ug_info->numThreadsTx) << ENET_INIT_PARAM_TGF_SHIFT;

	ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
	    ugeth->rx_glbl_pram_offset | ug_info->riscRx;
	if ((ug_info->largestexternallookupkeysize !=
	     QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE)
	    && (ug_info->largestexternallookupkeysize !=
		QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
	    && (ug_info->largestexternallookupkeysize !=
		QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_16_BYTES)) {
3245 3246
		if (netif_msg_ifup(ugeth))
			ugeth_err("%s: Invalid largest External Lookup Key Size.",
3247
				  __func__);
3248 3249 3250 3251 3252
		ucc_geth_memclean(ugeth);
		return -EINVAL;
	}
	ugeth->p_init_enet_param_shadow->largestexternallookupkeysize =
	    ug_info->largestexternallookupkeysize;
3253
	size = sizeof(struct ucc_geth_thread_rx_pram);
3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269 3270 3271
	if (ug_info->rxExtendedFiltering) {
		size += THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING;
		if (ug_info->largestexternallookupkeysize ==
		    QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
			size +=
			    THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8;
		if (ug_info->largestexternallookupkeysize ==
		    QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES)
			size +=
			    THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16;
	}

	if ((ret_val = fill_init_enet_entries(ugeth, &(ugeth->
		p_init_enet_param_shadow->rxthread[0]),
		(u8) (numThreadsRxNumerical + 1)
		/* Rx needs one extra for terminator */
		, size, UCC_GETH_THREAD_RX_PRAM_ALIGNMENT,
		ug_info->riscRx, 1)) != 0) {
3272 3273
		if (netif_msg_ifup(ugeth))
				ugeth_err("%s: Can not fill p_init_enet_param_shadow.",
3274
					__func__);
3275 3276 3277 3278 3279 3280 3281 3282 3283 3284
		ucc_geth_memclean(ugeth);
		return ret_val;
	}

	ugeth->p_init_enet_param_shadow->txglobal =
	    ugeth->tx_glbl_pram_offset | ug_info->riscTx;
	if ((ret_val =
	     fill_init_enet_entries(ugeth,
				    &(ugeth->p_init_enet_param_shadow->
				      txthread[0]), numThreadsTxNumerical,
3285
				    sizeof(struct ucc_geth_thread_tx_pram),
3286 3287
				    UCC_GETH_THREAD_TX_PRAM_ALIGNMENT,
				    ug_info->riscTx, 0)) != 0) {
3288 3289
		if (netif_msg_ifup(ugeth))
			ugeth_err("%s: Can not fill p_init_enet_param_shadow.",
3290
				  __func__);
3291 3292 3293 3294 3295 3296 3297
		ucc_geth_memclean(ugeth);
		return ret_val;
	}

	/* Load Rx bds with buffers */
	for (i = 0; i < ug_info->numQueuesRx; i++) {
		if ((ret_val = rx_bd_buffer_set(ugeth, (u8) i)) != 0) {
3298 3299
			if (netif_msg_ifup(ugeth))
				ugeth_err("%s: Can not fill Rx bds with buffers.",
3300
					  __func__);
3301 3302 3303 3304 3305 3306
			ucc_geth_memclean(ugeth);
			return ret_val;
		}
	}

	/* Allocate InitEnet command parameter structure */
3307
	init_enet_pram_offset = qe_muram_alloc(sizeof(struct ucc_geth_init_pram), 4);
3308
	if (IS_ERR_VALUE(init_enet_pram_offset)) {
3309 3310 3311
		if (netif_msg_ifup(ugeth))
			ugeth_err
			    ("%s: Can not allocate DPRAM memory for p_init_enet_pram.",
3312
			     __func__);
3313 3314 3315 3316
		ucc_geth_memclean(ugeth);
		return -ENOMEM;
	}
	p_init_enet_pram =
3317
	    (struct ucc_geth_init_pram __iomem *) qe_muram_addr(init_enet_pram_offset);
3318 3319

	/* Copy shadow InitEnet command parameter structure into PRAM */
3320 3321 3322 3323 3324 3325 3326 3327
	out_8(&p_init_enet_pram->resinit1,
			ugeth->p_init_enet_param_shadow->resinit1);
	out_8(&p_init_enet_pram->resinit2,
			ugeth->p_init_enet_param_shadow->resinit2);
	out_8(&p_init_enet_pram->resinit3,
			ugeth->p_init_enet_param_shadow->resinit3);
	out_8(&p_init_enet_pram->resinit4,
			ugeth->p_init_enet_param_shadow->resinit4);
3328 3329
	out_be16(&p_init_enet_pram->resinit5,
		 ugeth->p_init_enet_param_shadow->resinit5);
3330 3331
	out_8(&p_init_enet_pram->largestexternallookupkeysize,
	    ugeth->p_init_enet_param_shadow->largestexternallookupkeysize);
3332 3333 3334 3335 3336 3337 3338 3339 3340 3341 3342 3343 3344 3345
	out_be32(&p_init_enet_pram->rgftgfrxglobal,
		 ugeth->p_init_enet_param_shadow->rgftgfrxglobal);
	for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_RX; i++)
		out_be32(&p_init_enet_pram->rxthread[i],
			 ugeth->p_init_enet_param_shadow->rxthread[i]);
	out_be32(&p_init_enet_pram->txglobal,
		 ugeth->p_init_enet_param_shadow->txglobal);
	for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_TX; i++)
		out_be32(&p_init_enet_pram->txthread[i],
			 ugeth->p_init_enet_param_shadow->txthread[i]);

	/* Issue QE command */
	cecr_subblock =
	    ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
3346
	qe_issue_cmd(command, cecr_subblock, QE_CR_PROTOCOL_ETHERNET,
3347 3348 3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360
		     init_enet_pram_offset);

	/* Free InitEnet command parameter */
	qe_muram_free(init_enet_pram_offset);

	return 0;
}

/* ucc_geth_timeout gets called when a packet has not been
 * transmitted after a set amount of time.
 * For now, assume that clearing out all the structures, and
 * starting over will fix the problem. */
static void ucc_geth_timeout(struct net_device *dev)
{
3361
	struct ucc_geth_private *ugeth = netdev_priv(dev);
3362

3363
	ugeth_vdbg("%s: IN", __func__);
3364

3365
	dev->stats.tx_errors++;
3366 3367 3368 3369 3370 3371 3372 3373

	ugeth_dump_regs(ugeth);

	if (dev->flags & IFF_UP) {
		ucc_geth_stop(ugeth);
		ucc_geth_startup(ugeth);
	}

3374
	netif_tx_schedule_all(dev);
3375 3376 3377 3378 3379 3380
}

/* This is called by the kernel when a frame is ready for transmission. */
/* It is pointed to by the dev->hard_start_xmit function pointer */
static int ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
3381
	struct ucc_geth_private *ugeth = netdev_priv(dev);
3382 3383 3384
#ifdef CONFIG_UGETH_TX_ON_DEMAND
	struct ucc_fast_private *uccf;
#endif
3385
	u8 __iomem *bd;			/* BD pointer */
3386 3387 3388
	u32 bd_status;
	u8 txQ = 0;

3389
	ugeth_vdbg("%s: IN", __func__);
3390 3391 3392

	spin_lock_irq(&ugeth->lock);

3393
	dev->stats.tx_bytes += skb->len;
3394 3395 3396

	/* Start from the next BD that should be filled */
	bd = ugeth->txBd[txQ];
3397
	bd_status = in_be32((u32 __iomem *)bd);
3398 3399 3400 3401 3402 3403 3404 3405 3406
	/* Save the skb pointer so we can free it later */
	ugeth->tx_skbuff[txQ][ugeth->skb_curtx[txQ]] = skb;

	/* Update the current skb pointer (wrapping if this was the last) */
	ugeth->skb_curtx[txQ] =
	    (ugeth->skb_curtx[txQ] +
	     1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]);

	/* set up the buffer descriptor */
3407
	out_be32(&((struct qe_bd __iomem *)bd)->buf,
3408 3409
		      dma_map_single(&ugeth->dev->dev, skb->data,
			      skb->len, DMA_TO_DEVICE));
3410

3411
	/* printk(KERN_DEBUG"skb->data is 0x%x\n",skb->data); */
3412 3413 3414

	bd_status = (bd_status & T_W) | T_R | T_I | T_L | skb->len;

3415
	/* set bd status and length */
3416
	out_be32((u32 __iomem *)bd, bd_status);
3417 3418 3419 3420 3421

	dev->trans_start = jiffies;

	/* Move to next BD in the ring */
	if (!(bd_status & T_W))
L
Li Yang 已提交
3422
		bd += sizeof(struct qe_bd);
3423
	else
L
Li Yang 已提交
3424
		bd = ugeth->p_tx_bd_ring[txQ];
3425 3426 3427 3428 3429 3430 3431 3432

	/* If the next BD still needs to be cleaned up, then the bds
	   are full.  We need to tell the kernel to stop sending us stuff. */
	if (bd == ugeth->confBd[txQ]) {
		if (!netif_queue_stopped(dev))
			netif_stop_queue(dev);
	}

L
Li Yang 已提交
3433 3434
	ugeth->txBd[txQ] = bd;

3435 3436 3437 3438 3439 3440 3441 3442 3443
	if (ugeth->p_scheduler) {
		ugeth->cpucount[txQ]++;
		/* Indicate to QE that there are more Tx bds ready for
		transmission */
		/* This is done by writing a running counter of the bd
		count to the scheduler PRAM. */
		out_be16(ugeth->p_cpucount[txQ], ugeth->cpucount[txQ]);
	}

3444 3445 3446 3447
#ifdef CONFIG_UGETH_TX_ON_DEMAND
	uccf = ugeth->uccf;
	out_be16(uccf->p_utodr, UCC_FAST_TOD);
#endif
3448 3449
	spin_unlock_irq(&ugeth->lock);

3450
	return 0;
3451 3452
}

3453
static int ucc_geth_rx(struct ucc_geth_private *ugeth, u8 rxQ, int rx_work_limit)
3454 3455
{
	struct sk_buff *skb;
3456
	u8 __iomem *bd;
3457 3458 3459
	u16 length, howmany = 0;
	u32 bd_status;
	u8 *bdBuffer;
A
Andrew Morton 已提交
3460
	struct net_device *dev;
3461

3462
	ugeth_vdbg("%s: IN", __func__);
3463

3464 3465
	dev = ugeth->dev;

3466 3467 3468
	/* collect received buffers */
	bd = ugeth->rxBd[rxQ];

3469
	bd_status = in_be32((u32 __iomem *)bd);
3470 3471 3472

	/* while there are received buffers and BD is full (~R_E) */
	while (!((bd_status & (R_E)) || (--rx_work_limit < 0))) {
3473
		bdBuffer = (u8 *) in_be32(&((struct qe_bd __iomem *)bd)->buf);
3474 3475 3476 3477 3478 3479 3480 3481
		length = (u16) ((bd_status & BD_LENGTH_MASK) - 4);
		skb = ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]];

		/* determine whether buffer is first, last, first and last
		(single buffer frame) or middle (not first and not last) */
		if (!skb ||
		    (!(bd_status & (R_F | R_L))) ||
		    (bd_status & R_ERRORS_FATAL)) {
3482 3483
			if (netif_msg_rx_err(ugeth))
				ugeth_err("%s, %d: ERROR!!! skb - 0x%08x",
3484
					   __func__, __LINE__, (u32) skb);
3485 3486 3487 3488
			if (skb)
				dev_kfree_skb_any(skb);

			ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = NULL;
3489
			dev->stats.rx_dropped++;
3490
		} else {
3491
			dev->stats.rx_packets++;
3492 3493 3494 3495 3496 3497 3498 3499
			howmany++;

			/* Prep the skb for the packet */
			skb_put(skb, length);

			/* Tell the skb what kind of packet this is */
			skb->protocol = eth_type_trans(skb, ugeth->dev);

3500
			dev->stats.rx_bytes += length;
3501 3502 3503 3504 3505 3506
			/* Send the packet up the stack */
			netif_receive_skb(skb);
		}

		skb = get_new_skb(ugeth, bd);
		if (!skb) {
3507
			if (netif_msg_rx_err(ugeth))
3508
				ugeth_warn("%s: No Rx Data Buffer", __func__);
3509
			dev->stats.rx_dropped++;
3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521 3522
			break;
		}

		ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = skb;

		/* update to point at the next skb */
		ugeth->skb_currx[rxQ] =
		    (ugeth->skb_currx[rxQ] +
		     1) & RX_RING_MOD_MASK(ugeth->ug_info->bdRingLenRx[rxQ]);

		if (bd_status & R_W)
			bd = ugeth->p_rx_bd_ring[rxQ];
		else
3523
			bd += sizeof(struct qe_bd);
3524

3525
		bd_status = in_be32((u32 __iomem *)bd);
3526 3527 3528 3529 3530 3531 3532 3533 3534
	}

	ugeth->rxBd[rxQ] = bd;
	return howmany;
}

static int ucc_geth_tx(struct net_device *dev, u8 txQ)
{
	/* Start from the next BD that should be filled */
3535
	struct ucc_geth_private *ugeth = netdev_priv(dev);
3536
	u8 __iomem *bd;		/* BD pointer */
3537 3538 3539
	u32 bd_status;

	bd = ugeth->confBd[txQ];
3540
	bd_status = in_be32((u32 __iomem *)bd);
3541 3542 3543 3544 3545 3546 3547

	/* Normal processing. */
	while ((bd_status & T_R) == 0) {
		/* BD contains already transmitted buffer.   */
		/* Handle the transmitted buffer and release */
		/* the BD to be used with the current frame  */

L
Li Yang 已提交
3548
		if ((bd == ugeth->txBd[txQ]) && (netif_queue_stopped(dev) == 0))
3549 3550
			break;

3551
		dev->stats.tx_packets++;
3552 3553 3554 3555 3556 3557 3558 3559 3560 3561 3562 3563 3564 3565 3566

		/* Free the sk buffer associated with this TxBD */
		dev_kfree_skb_irq(ugeth->
				  tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]]);
		ugeth->tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]] = NULL;
		ugeth->skb_dirtytx[txQ] =
		    (ugeth->skb_dirtytx[txQ] +
		     1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]);

		/* We freed a buffer, so now we can restart transmission */
		if (netif_queue_stopped(dev))
			netif_wake_queue(dev);

		/* Advance the confirmation BD pointer */
		if (!(bd_status & T_W))
L
Li Yang 已提交
3567
			bd += sizeof(struct qe_bd);
3568
		else
L
Li Yang 已提交
3569
			bd = ugeth->p_tx_bd_ring[txQ];
3570
		bd_status = in_be32((u32 __iomem *)bd);
3571
	}
L
Li Yang 已提交
3572
	ugeth->confBd[txQ] = bd;
3573 3574 3575
	return 0;
}

3576
static int ucc_geth_poll(struct napi_struct *napi, int budget)
3577
{
3578 3579
	struct ucc_geth_private *ugeth = container_of(napi, struct ucc_geth_private, napi);
	struct net_device *dev = ugeth->dev;
M
Michael Reiss 已提交
3580
	struct ucc_geth_info *ug_info;
3581
	int howmany, i;
3582

M
Michael Reiss 已提交
3583 3584 3585
	ug_info = ugeth->ug_info;

	howmany = 0;
3586 3587
	for (i = 0; i < ug_info->numQueuesRx; i++)
		howmany += ucc_geth_rx(ugeth, i, budget - howmany);
M
Michael Reiss 已提交
3588

3589 3590 3591
	if (howmany < budget) {
		struct ucc_fast_private *uccf;
		u32 uccm;
3592

3593
		netif_rx_complete(dev, napi);
M
Michael Reiss 已提交
3594 3595 3596 3597 3598
		uccf = ugeth->uccf;
		uccm = in_be32(uccf->p_uccm);
		uccm |= UCCE_RX_EVENTS;
		out_be32(uccf->p_uccm, uccm);
	}
3599

3600
	return howmany;
3601 3602
}

3603
static irqreturn_t ucc_geth_irq_handler(int irq, void *info)
3604
{
3605
	struct net_device *dev = info;
3606 3607 3608
	struct ucc_geth_private *ugeth = netdev_priv(dev);
	struct ucc_fast_private *uccf;
	struct ucc_geth_info *ug_info;
M
Michael Reiss 已提交
3609 3610 3611 3612
	register u32 ucce;
	register u32 uccm;
	register u32 tx_mask;
	u8 i;
3613

3614
	ugeth_vdbg("%s: IN", __func__);
3615 3616 3617 3618

	uccf = ugeth->uccf;
	ug_info = ugeth->ug_info;

M
Michael Reiss 已提交
3619 3620 3621 3622 3623
	/* read and clear events */
	ucce = (u32) in_be32(uccf->p_ucce);
	uccm = (u32) in_be32(uccf->p_uccm);
	ucce &= uccm;
	out_be32(uccf->p_ucce, ucce);
3624

M
Michael Reiss 已提交
3625 3626
	/* check for receive events that require processing */
	if (ucce & UCCE_RX_EVENTS) {
3627 3628
		if (netif_rx_schedule_prep(dev, &ugeth->napi)) {
			uccm &= ~UCCE_RX_EVENTS;
M
Michael Reiss 已提交
3629
			out_be32(uccf->p_uccm, uccm);
3630
			__netif_rx_schedule(dev, &ugeth->napi);
M
Michael Reiss 已提交
3631 3632
		}
	}
3633

M
Michael Reiss 已提交
3634 3635 3636 3637
	/* Tx event processing */
	if (ucce & UCCE_TX_EVENTS) {
		spin_lock(&ugeth->lock);
		tx_mask = UCCE_TXBF_SINGLE_MASK;
3638 3639 3640 3641 3642 3643
		for (i = 0; i < ug_info->numQueuesTx; i++) {
			if (ucce & tx_mask)
				ucc_geth_tx(dev, i);
			ucce &= ~tx_mask;
			tx_mask <<= 1;
		}
M
Michael Reiss 已提交
3644 3645
		spin_unlock(&ugeth->lock);
	}
3646

M
Michael Reiss 已提交
3647 3648
	/* Errors and other events */
	if (ucce & UCCE_OTHER) {
3649
		if (ucce & UCCE_BSY) {
3650
			dev->stats.rx_errors++;
3651
		}
M
Michael Reiss 已提交
3652
		if (ucce & UCCE_TXE) {
3653
			dev->stats.tx_errors++;
3654 3655 3656 3657 3658 3659
		}
	}

	return IRQ_HANDLED;
}

3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 3670 3671 3672 3673 3674 3675 3676
#ifdef CONFIG_NET_POLL_CONTROLLER
/*
 * Polling 'interrupt' - used by things like netconsole to send skbs
 * without having to re-enable interrupts. It's not called while
 * the interrupt routine is executing.
 */
static void ucc_netpoll(struct net_device *dev)
{
	struct ucc_geth_private *ugeth = netdev_priv(dev);
	int irq = ugeth->ug_info->uf_info.irq;

	disable_irq(irq);
	ucc_geth_irq_handler(irq, dev);
	enable_irq(irq);
}
#endif /* CONFIG_NET_POLL_CONTROLLER */

3677 3678 3679 3680
/* Called when something needs to use the ethernet device */
/* Returns 0 for success. */
static int ucc_geth_open(struct net_device *dev)
{
3681
	struct ucc_geth_private *ugeth = netdev_priv(dev);
3682 3683
	int err;

3684
	ugeth_vdbg("%s: IN", __func__);
3685 3686 3687

	/* Test station address */
	if (dev->dev_addr[0] & ENET_GROUP_ADDR) {
3688 3689
		if (netif_msg_ifup(ugeth))
			ugeth_err("%s: Multicast address used for station address"
3690
				  " - is this what you wanted?", __func__);
3691 3692 3693
		return -EINVAL;
	}

3694 3695
	err = ucc_struct_init(ugeth);
	if (err) {
3696 3697
		if (netif_msg_ifup(ugeth))
			ugeth_err("%s: Cannot configure internal struct, aborting.", dev->name);
3698 3699 3700
		return err;
	}

3701
	napi_enable(&ugeth->napi);
3702

3703 3704
	err = ucc_geth_startup(ugeth);
	if (err) {
3705 3706 3707
		if (netif_msg_ifup(ugeth))
			ugeth_err("%s: Cannot configure net device, aborting.",
				  dev->name);
3708
		goto out_err;
3709 3710 3711 3712
	}

	err = adjust_enet_interface(ugeth);
	if (err) {
3713 3714 3715
		if (netif_msg_ifup(ugeth))
			ugeth_err("%s: Cannot configure net device, aborting.",
				  dev->name);
3716
		goto out_err;
3717 3718 3719 3720 3721 3722 3723 3724 3725 3726 3727 3728 3729 3730 3731
	}

	/*       Set MACSTNADDR1, MACSTNADDR2                */
	/* For more details see the hardware spec.           */
	init_mac_station_addr_regs(dev->dev_addr[0],
				   dev->dev_addr[1],
				   dev->dev_addr[2],
				   dev->dev_addr[3],
				   dev->dev_addr[4],
				   dev->dev_addr[5],
				   &ugeth->ug_regs->macstnaddr1,
				   &ugeth->ug_regs->macstnaddr2);

	err = init_phy(dev);
	if (err) {
3732 3733
		if (netif_msg_ifup(ugeth))
			ugeth_err("%s: Cannot initialize PHY, aborting.", dev->name);
3734
		goto out_err;
3735
	}
3736 3737 3738

	phy_start(ugeth->phydev);

3739 3740 3741 3742
	err =
	    request_irq(ugeth->ug_info->uf_info.irq, ucc_geth_irq_handler, 0,
			"UCC Geth", dev);
	if (err) {
3743 3744 3745
		if (netif_msg_ifup(ugeth))
			ugeth_err("%s: Cannot get IRQ for net device, aborting.",
				  dev->name);
3746
		ucc_geth_stop(ugeth);
3747
		goto out_err;
3748 3749 3750 3751
	}

	err = ugeth_enable(ugeth, COMM_DIR_RX_AND_TX);
	if (err) {
3752 3753
		if (netif_msg_ifup(ugeth))
			ugeth_err("%s: Cannot enable net device, aborting.", dev->name);
3754
		ucc_geth_stop(ugeth);
3755
		goto out_err;
3756 3757 3758 3759 3760
	}

	netif_start_queue(dev);

	return err;
3761 3762 3763

out_err:
	napi_disable(&ugeth->napi);
3764

3765
	return err;
3766 3767 3768 3769 3770
}

/* Stops the kernel queue, and halts the controller */
static int ucc_geth_close(struct net_device *dev)
{
3771
	struct ucc_geth_private *ugeth = netdev_priv(dev);
3772

3773
	ugeth_vdbg("%s: IN", __func__);
3774

3775 3776
	napi_disable(&ugeth->napi);

3777 3778
	ucc_geth_stop(ugeth);

3779 3780
	phy_disconnect(ugeth->phydev);
	ugeth->phydev = NULL;
3781 3782 3783 3784 3785 3786

	netif_stop_queue(dev);

	return 0;
}

3787
static phy_interface_t to_phy_interface(const char *phy_connection_type)
3788
{
3789
	if (strcasecmp(phy_connection_type, "mii") == 0)
3790
		return PHY_INTERFACE_MODE_MII;
3791
	if (strcasecmp(phy_connection_type, "gmii") == 0)
3792
		return PHY_INTERFACE_MODE_GMII;
3793
	if (strcasecmp(phy_connection_type, "tbi") == 0)
3794
		return PHY_INTERFACE_MODE_TBI;
3795
	if (strcasecmp(phy_connection_type, "rmii") == 0)
3796
		return PHY_INTERFACE_MODE_RMII;
3797
	if (strcasecmp(phy_connection_type, "rgmii") == 0)
3798
		return PHY_INTERFACE_MODE_RGMII;
3799
	if (strcasecmp(phy_connection_type, "rgmii-id") == 0)
3800
		return PHY_INTERFACE_MODE_RGMII_ID;
3801 3802 3803 3804
	if (strcasecmp(phy_connection_type, "rgmii-txid") == 0)
		return PHY_INTERFACE_MODE_RGMII_TXID;
	if (strcasecmp(phy_connection_type, "rgmii-rxid") == 0)
		return PHY_INTERFACE_MODE_RGMII_RXID;
3805
	if (strcasecmp(phy_connection_type, "rtbi") == 0)
3806 3807 3808 3809 3810
		return PHY_INTERFACE_MODE_RTBI;

	return PHY_INTERFACE_MODE_MII;
}

3811
static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *match)
3812
{
3813 3814
	struct device *device = &ofdev->dev;
	struct device_node *np = ofdev->node;
3815
	struct device_node *mdio;
3816 3817 3818
	struct net_device *dev = NULL;
	struct ucc_geth_private *ugeth = NULL;
	struct ucc_geth_info *ug_info;
3819 3820
	struct resource res;
	struct device_node *phy;
3821
	int err, ucc_num, max_speed = 0;
3822
	const phandle *ph;
3823
	const u32 *fixed_link;
3824
	const unsigned int *prop;
3825
	const char *sprop;
3826
	const void *mac_addr;
3827 3828 3829 3830 3831 3832 3833 3834 3835 3836 3837 3838 3839
	phy_interface_t phy_interface;
	static const int enet_to_speed[] = {
		SPEED_10, SPEED_10, SPEED_10,
		SPEED_100, SPEED_100, SPEED_100,
		SPEED_1000, SPEED_1000, SPEED_1000, SPEED_1000,
	};
	static const phy_interface_t enet_to_phy_interface[] = {
		PHY_INTERFACE_MODE_MII, PHY_INTERFACE_MODE_RMII,
		PHY_INTERFACE_MODE_RGMII, PHY_INTERFACE_MODE_MII,
		PHY_INTERFACE_MODE_RMII, PHY_INTERFACE_MODE_RGMII,
		PHY_INTERFACE_MODE_GMII, PHY_INTERFACE_MODE_RGMII,
		PHY_INTERFACE_MODE_TBI, PHY_INTERFACE_MODE_RTBI,
	};
3840

3841
	ugeth_vdbg("%s: IN", __func__);
3842

3843 3844 3845 3846 3847 3848 3849
	prop = of_get_property(np, "cell-index", NULL);
	if (!prop) {
		prop = of_get_property(np, "device-id", NULL);
		if (!prop)
			return -ENODEV;
	}

3850 3851 3852 3853 3854
	ucc_num = *prop - 1;
	if ((ucc_num < 0) || (ucc_num > 7))
		return -ENODEV;

	ug_info = &ugeth_info[ucc_num];
3855 3856 3857
	if (ug_info == NULL) {
		if (netif_msg_probe(&debug))
			ugeth_err("%s: [%d] Missing additional data!",
3858
				       	__func__, ucc_num);
3859 3860 3861
		return -ENODEV;
	}

3862
	ug_info->uf_info.ucc_num = ucc_num;
3863

3864 3865 3866 3867 3868 3869 3870 3871 3872 3873 3874 3875 3876 3877 3878 3879 3880 3881 3882 3883 3884 3885 3886 3887 3888 3889 3890 3891 3892 3893 3894 3895 3896 3897 3898 3899
	sprop = of_get_property(np, "rx-clock-name", NULL);
	if (sprop) {
		ug_info->uf_info.rx_clock = qe_clock_source(sprop);
		if ((ug_info->uf_info.rx_clock < QE_CLK_NONE) ||
		    (ug_info->uf_info.rx_clock > QE_CLK24)) {
			printk(KERN_ERR
				"ucc_geth: invalid rx-clock-name property\n");
			return -EINVAL;
		}
	} else {
		prop = of_get_property(np, "rx-clock", NULL);
		if (!prop) {
			/* If both rx-clock-name and rx-clock are missing,
			   we want to tell people to use rx-clock-name. */
			printk(KERN_ERR
				"ucc_geth: missing rx-clock-name property\n");
			return -EINVAL;
		}
		if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) {
			printk(KERN_ERR
				"ucc_geth: invalid rx-clock propperty\n");
			return -EINVAL;
		}
		ug_info->uf_info.rx_clock = *prop;
	}

	sprop = of_get_property(np, "tx-clock-name", NULL);
	if (sprop) {
		ug_info->uf_info.tx_clock = qe_clock_source(sprop);
		if ((ug_info->uf_info.tx_clock < QE_CLK_NONE) ||
		    (ug_info->uf_info.tx_clock > QE_CLK24)) {
			printk(KERN_ERR
				"ucc_geth: invalid tx-clock-name property\n");
			return -EINVAL;
		}
	} else {
3900
		prop = of_get_property(np, "tx-clock", NULL);
3901 3902 3903 3904 3905 3906 3907 3908 3909 3910 3911 3912 3913
		if (!prop) {
			printk(KERN_ERR
				"ucc_geth: mising tx-clock-name property\n");
			return -EINVAL;
		}
		if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) {
			printk(KERN_ERR
				"ucc_geth: invalid tx-clock property\n");
			return -EINVAL;
		}
		ug_info->uf_info.tx_clock = *prop;
	}

3914 3915 3916 3917 3918 3919
	err = of_address_to_resource(np, 0, &res);
	if (err)
		return -EINVAL;

	ug_info->uf_info.regs = res.start;
	ug_info->uf_info.irq = irq_of_parse_and_map(np, 0);
3920 3921
	fixed_link = of_get_property(np, "fixed-link", NULL);
	if (fixed_link) {
3922
		snprintf(ug_info->mdio_bus, MII_BUS_ID_SIZE, "0");
3923 3924 3925 3926 3927
		ug_info->phy_address = fixed_link[0];
		phy = NULL;
	} else {
		ph = of_get_property(np, "phy-handle", NULL);
		phy = of_find_node_by_phandle(*ph);
3928

3929 3930
		if (phy == NULL)
			return -ENODEV;
3931

3932 3933 3934 3935 3936 3937 3938 3939 3940 3941 3942
		/* set the PHY address */
		prop = of_get_property(phy, "reg", NULL);
		if (prop == NULL)
			return -1;
		ug_info->phy_address = *prop;

		/* Set the bus id */
		mdio = of_get_parent(phy);

		if (mdio == NULL)
			return -1;
3943

3944 3945 3946 3947 3948 3949
		err = of_address_to_resource(mdio, 0, &res);
		of_node_put(mdio);

		if (err)
			return -1;

3950
		snprintf(ug_info->mdio_bus, MII_BUS_ID_SIZE, "%x", res.start);
3951
	}
3952 3953

	/* get the phy interface type, or default to MII */
3954
	prop = of_get_property(np, "phy-connection-type", NULL);
3955 3956
	if (!prop) {
		/* handle interface property present in old trees */
3957
		prop = of_get_property(phy, "interface", NULL);
3958
		if (prop != NULL) {
3959
			phy_interface = enet_to_phy_interface[*prop];
3960 3961
			max_speed = enet_to_speed[*prop];
		} else
3962 3963 3964 3965 3966
			phy_interface = PHY_INTERFACE_MODE_MII;
	} else {
		phy_interface = to_phy_interface((const char *)prop);
	}

3967 3968
	/* get speed, or derive from PHY interface */
	if (max_speed == 0)
3969 3970 3971 3972
		switch (phy_interface) {
		case PHY_INTERFACE_MODE_GMII:
		case PHY_INTERFACE_MODE_RGMII:
		case PHY_INTERFACE_MODE_RGMII_ID:
3973 3974
		case PHY_INTERFACE_MODE_RGMII_RXID:
		case PHY_INTERFACE_MODE_RGMII_TXID:
3975 3976 3977 3978 3979 3980 3981 3982 3983 3984
		case PHY_INTERFACE_MODE_TBI:
		case PHY_INTERFACE_MODE_RTBI:
			max_speed = SPEED_1000;
			break;
		default:
			max_speed = SPEED_100;
			break;
		}

	if (max_speed == SPEED_1000) {
3985
		/* configure muram FIFOs for gigabit operation */
3986 3987 3988 3989 3990 3991
		ug_info->uf_info.urfs = UCC_GETH_URFS_GIGA_INIT;
		ug_info->uf_info.urfet = UCC_GETH_URFET_GIGA_INIT;
		ug_info->uf_info.urfset = UCC_GETH_URFSET_GIGA_INIT;
		ug_info->uf_info.utfs = UCC_GETH_UTFS_GIGA_INIT;
		ug_info->uf_info.utfet = UCC_GETH_UTFET_GIGA_INIT;
		ug_info->uf_info.utftt = UCC_GETH_UTFTT_GIGA_INIT;
3992 3993
		ug_info->numThreadsTx = UCC_GETH_NUM_OF_THREADS_4;
		ug_info->numThreadsRx = UCC_GETH_NUM_OF_THREADS_4;
3994 3995
	}

3996 3997 3998 3999
	if (netif_msg_probe(&debug))
		printk(KERN_INFO "ucc_geth: UCC%1d at 0x%8x (irq = %d) \n",
			ug_info->uf_info.ucc_num + 1, ug_info->uf_info.regs,
			ug_info->uf_info.irq);
4000 4001 4002 4003 4004 4005 4006 4007 4008 4009

	/* Create an ethernet device instance */
	dev = alloc_etherdev(sizeof(*ugeth));

	if (dev == NULL)
		return -ENOMEM;

	ugeth = netdev_priv(dev);
	spin_lock_init(&ugeth->lock);

A
Anton Vorontsov 已提交
4010 4011 4012 4013
	/* Create CQs for hash tables */
	INIT_LIST_HEAD(&ugeth->group_hash_q);
	INIT_LIST_HEAD(&ugeth->ind_hash_q);

4014 4015 4016 4017 4018 4019 4020 4021
	dev_set_drvdata(device, dev);

	/* Set the dev->base_addr to the gfar reg region */
	dev->base_addr = (unsigned long)(ug_info->uf_info.regs);

	SET_NETDEV_DEV(dev, device);

	/* Fill in the dev structure */
L
Li Yang 已提交
4022
	uec_set_ethtool_ops(dev);
4023 4024 4025 4026
	dev->open = ucc_geth_open;
	dev->hard_start_xmit = ucc_geth_start_xmit;
	dev->tx_timeout = ucc_geth_timeout;
	dev->watchdog_timeo = TX_TIMEOUT;
4027
	netif_napi_add(dev, &ugeth->napi, ucc_geth_poll, UCC_GETH_DEV_WEIGHT);
4028 4029 4030
#ifdef CONFIG_NET_POLL_CONTROLLER
	dev->poll_controller = ucc_netpoll;
#endif
4031 4032 4033 4034 4035
	dev->stop = ucc_geth_close;
//    dev->change_mtu = ucc_geth_change_mtu;
	dev->mtu = 1500;
	dev->set_multicast_list = ucc_geth_set_multi;

4036
	ugeth->msg_enable = netif_msg_init(debug.msg_enable, UGETH_MSG_DEFAULT);
4037 4038 4039
	ugeth->phy_interface = phy_interface;
	ugeth->max_speed = max_speed;

4040 4041
	err = register_netdev(dev);
	if (err) {
4042 4043 4044
		if (netif_msg_probe(ugeth))
			ugeth_err("%s: Cannot register net device, aborting.",
				  dev->name);
4045 4046 4047 4048
		free_netdev(dev);
		return err;
	}

T
Timur Tabi 已提交
4049
	mac_addr = of_get_mac_address(np);
4050 4051
	if (mac_addr)
		memcpy(dev->dev_addr, mac_addr, 6);
4052

4053 4054 4055
	ugeth->ug_info = ug_info;
	ugeth->dev = dev;

4056 4057 4058
	return 0;
}

4059
static int ucc_geth_remove(struct of_device* ofdev)
4060
{
4061
	struct device *device = &ofdev->dev;
4062 4063 4064
	struct net_device *dev = dev_get_drvdata(device);
	struct ucc_geth_private *ugeth = netdev_priv(dev);

A
Anton Vorontsov 已提交
4065
	unregister_netdev(dev);
4066
	free_netdev(dev);
A
Anton Vorontsov 已提交
4067 4068
	ucc_geth_memclean(ugeth);
	dev_set_drvdata(device, NULL);
4069 4070 4071 4072

	return 0;
}

4073 4074 4075 4076 4077 4078 4079 4080 4081 4082 4083 4084 4085 4086 4087
static struct of_device_id ucc_geth_match[] = {
	{
		.type = "network",
		.compatible = "ucc_geth",
	},
	{},
};

MODULE_DEVICE_TABLE(of, ucc_geth_match);

static struct of_platform_driver ucc_geth_driver = {
	.name		= DRV_NAME,
	.match_table	= ucc_geth_match,
	.probe		= ucc_geth_probe,
	.remove		= ucc_geth_remove,
4088 4089 4090 4091
};

static int __init ucc_geth_init(void)
{
4092 4093 4094 4095 4096 4097
	int i, ret;

	ret = uec_mdio_init();

	if (ret)
		return ret;
4098

4099 4100
	if (netif_msg_drv(&debug))
		printk(KERN_INFO "ucc_geth: " DRV_DESC "\n");
4101 4102 4103 4104
	for (i = 0; i < 8; i++)
		memcpy(&(ugeth_info[i]), &ugeth_primary_info,
		       sizeof(ugeth_primary_info));

4105 4106 4107 4108 4109 4110
	ret = of_register_platform_driver(&ucc_geth_driver);

	if (ret)
		uec_mdio_exit();

	return ret;
4111 4112 4113 4114
}

static void __exit ucc_geth_exit(void)
{
4115
	of_unregister_platform_driver(&ucc_geth_driver);
4116
	uec_mdio_exit();
4117 4118 4119 4120 4121 4122 4123
}

module_init(ucc_geth_init);
module_exit(ucc_geth_exit);

MODULE_AUTHOR("Freescale Semiconductor, Inc");
MODULE_DESCRIPTION(DRV_DESC);
K
Kim Phillips 已提交
4124
MODULE_VERSION(DRV_VERSION);
4125
MODULE_LICENSE("GPL");