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raspberrypi-kernel
提交 16e00b60 编写于 作者: D David Woodhouse
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[MTD] Remove references to TI 'toto' platform. 

This was a reference board for which support never got merged upstream.
Kill it off, at rmk's suggestion.
Signed-off-by: NDavid Woodhouse <David.Woodhouse@intel.com>
上级 c8872b06
隐藏空白更改
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drivers/mtd/maps/Kconfig
浏览文件 @ 16e00b60
......@@ -434,13 +434,6 @@ config MTD_CEIVA
PhotoMax Digital Picture Frame.
If you have such a device, say 'Y'.
config MTD_NOR_TOTO
tristate "NOR Flash device on TOTO board"
depends on ARCH_OMAP && OMAP_TOTO
help
This enables access to the NOR flash on the Texas Instruments
TOTO board.
config MTD_H720X
tristate "Hynix evaluation board mappings"
depends on MTD_CFI && ( ARCH_H7201 || ARCH_H7202 )
......
drivers/mtd/maps/Makefile
浏览文件 @ 16e00b60
......@@ -52,7 +52,6 @@ obj-$(CONFIG_MTD_NETtel) += nettel.o
obj-$(CONFIG_MTD_SCB2_FLASH) += scb2_flash.o
obj-$(CONFIG_MTD_H720X) += h720x-flash.o
obj-$(CONFIG_MTD_SBC8240) += sbc8240.o
obj-$(CONFIG_MTD_NOR_TOTO) += omap-toto-flash.o
obj-$(CONFIG_MTD_IXP4XX) += ixp4xx.o
obj-$(CONFIG_MTD_IXP2000) += ixp2000.o
obj-$(CONFIG_MTD_WRSBC8260) += wr_sbc82xx_flash.o
......
drivers/mtd/maps/omap-toto-flash.c 已删除 100644 → 0
浏览文件 @ c8872b06
/*
* NOR Flash memory access on TI Toto board
*
* jzhang@ti.com (C) 2003 Texas Instruments.
*
* (C) 2002 MontVista Software, Inc.
*/
#include <linux/module.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/map.h>
#include <linux/mtd/partitions.h>
#include <asm/hardware.h>
#include <asm/io.h>
#ifndef CONFIG_ARCH_OMAP
#error This is for OMAP architecture only
#endif
//these lines need be moved to a hardware header file
#define OMAP_TOTO_FLASH_BASE 0xd8000000
#define OMAP_TOTO_FLASH_SIZE 0x80000
static struct map_info omap_toto_map_flash = {
.name = "OMAP Toto flash",
.bankwidth = 2,
.virt = (void __iomem *)OMAP_TOTO_FLASH_BASE,
};
static struct mtd_partition toto_flash_partitions[] = {
{
.name = "BootLoader",
.size = 0x00040000, /* hopefully u-boot will stay 128k + 128*/
.offset = 0,
.mask_flags = MTD_WRITEABLE, /* force read-only */
}, {
.name = "ReservedSpace",
.size = 0x00030000,
.offset = MTDPART_OFS_APPEND,
//mask_flags: MTD_WRITEABLE, /* force read-only */
}, {
.name = "EnvArea", /* bottom 64KiB for env vars */
.size = MTDPART_SIZ_FULL,
.offset = MTDPART_OFS_APPEND,
}
};
static struct mtd_partition *parsed_parts;
static struct mtd_info *flash_mtd;
static int __init init_flash (void)
{
struct mtd_partition *parts;
int nb_parts = 0;
int parsed_nr_parts = 0;
const char *part_type;
/*
* Static partition definition selection
*/
part_type = "static";
parts = toto_flash_partitions;
nb_parts = ARRAY_SIZE(toto_flash_partitions);
omap_toto_map_flash.size = OMAP_TOTO_FLASH_SIZE;
omap_toto_map_flash.phys = virt_to_phys(OMAP_TOTO_FLASH_BASE);
simple_map_init(&omap_toto_map_flash);
/*
* Now let's probe for the actual flash. Do it here since
* specific machine settings might have been set above.
*/
printk(KERN_NOTICE "OMAP toto flash: probing %d-bit flash bus\n",
omap_toto_map_flash.bankwidth*8);
flash_mtd = do_map_probe("jedec_probe", &omap_toto_map_flash);
if (!flash_mtd)
return -ENXIO;
if (parsed_nr_parts > 0) {
parts = parsed_parts;
nb_parts = parsed_nr_parts;
}
if (nb_parts == 0) {
printk(KERN_NOTICE "OMAP toto flash: no partition info available,"
"registering whole flash at once\n");
if (add_mtd_device(flash_mtd)){
return -ENXIO;
}
} else {
printk(KERN_NOTICE "Using %s partition definition\n",
part_type);
return add_mtd_partitions(flash_mtd, parts, nb_parts);
}
return 0;
}
int __init omap_toto_mtd_init(void)
{
int status;
if (status = init_flash()) {
printk(KERN_ERR "OMAP Toto Flash: unable to init map for toto flash\n");
}
return status;
}
static void __exit omap_toto_mtd_cleanup(void)
{
if (flash_mtd) {
del_mtd_partitions(flash_mtd);
map_destroy(flash_mtd);
kfree(parsed_parts);
}
}
module_init(omap_toto_mtd_init);
module_exit(omap_toto_mtd_cleanup);
MODULE_AUTHOR("Jian Zhang");
MODULE_DESCRIPTION("OMAP Toto board map driver");
MODULE_LICENSE("GPL");
drivers/mtd/nand/Kconfig
浏览文件 @ 16e00b60
......@@ -68,12 +68,6 @@ config MTD_NAND_AMS_DELTA
help
Support for NAND flash on Amstrad E3 (Delta).
config MTD_NAND_TOTO
tristate "NAND Flash device on TOTO board"
depends on ARCH_OMAP && BROKEN
help
Support for NAND flash on Texas Instruments Toto platform.
config MTD_NAND_TS7250
tristate "NAND Flash device on TS-7250 board"
depends on MACH_TS72XX
......
drivers/mtd/nand/Makefile
浏览文件 @ 16e00b60
......@@ -8,7 +8,6 @@ obj-$(CONFIG_MTD_NAND_IDS) += nand_ids.o
obj-$(CONFIG_MTD_NAND_CAFE) += cafe_nand.o
obj-$(CONFIG_MTD_NAND_SPIA) += spia.o
obj-$(CONFIG_MTD_NAND_AMS_DELTA) += ams-delta.o
obj-$(CONFIG_MTD_NAND_TOTO) += toto.o
obj-$(CONFIG_MTD_NAND_AUTCPU12) += autcpu12.o
obj-$(CONFIG_MTD_NAND_EDB7312) += edb7312.o
obj-$(CONFIG_MTD_NAND_AU1550) += au1550nd.o
......
drivers/mtd/nand/toto.c 已删除 100644 → 0
浏览文件 @ c8872b06
/*
* drivers/mtd/nand/toto.c
*
* Copyright (c) 2003 Texas Instruments
*
* Derived from drivers/mtd/autcpu12.c
*
* Copyright (c) 2002 Thomas Gleixner <tgxl@linutronix.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Overview:
* This is a device driver for the NAND flash device found on the
* TI fido board. It supports 32MiB and 64MiB cards
*/
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <asm/io.h>
#include <asm/arch/hardware.h>
#include <asm/sizes.h>
#include <asm/arch/toto.h>
#include <asm/arch-omap1510/hardware.h>
#include <asm/arch/gpio.h>
#define CONFIG_NAND_WORKAROUND 1
/*
* MTD structure for TOTO board
*/
static struct mtd_info *toto_mtd = NULL;
static unsigned long toto_io_base = OMAP_FLASH_1_BASE;
/*
* Define partitions for flash devices
*/
static struct mtd_partition partition_info64M[] = {
{ .name = "toto kernel partition 1",
.offset = 0,
.size = 2 * SZ_1M },
{ .name = "toto file sys partition 2",
.offset = 2 * SZ_1M,
.size = 14 * SZ_1M },
{ .name = "toto user partition 3",
.offset = 16 * SZ_1M,
.size = 16 * SZ_1M },
{ .name = "toto devboard extra partition 4",
.offset = 32 * SZ_1M,
.size = 32 * SZ_1M },
};
static struct mtd_partition partition_info32M[] = {
{ .name = "toto kernel partition 1",
.offset = 0,
.size = 2 * SZ_1M },
{ .name = "toto file sys partition 2",
.offset = 2 * SZ_1M,
.size = 14 * SZ_1M },
{ .name = "toto user partition 3",
.offset = 16 * SZ_1M,
.size = 16 * SZ_1M },
};
#define NUM_PARTITIONS32M 3
#define NUM_PARTITIONS64M 4
/*
* hardware specific access to control-lines
*
* ctrl:
* NAND_NCE: bit 0 -> bit 14 (0x4000)
* NAND_CLE: bit 1 -> bit 12 (0x1000)
* NAND_ALE: bit 2 -> bit 1 (0x0002)
*/
static void toto_hwcontrol(struct mtd_info *mtd, int cmd,
unsigned int ctrl)
{
struct nand_chip *chip = mtd->priv;
if (ctrl & NAND_CTRL_CHANGE) {
unsigned long bits;
/* hopefully enough time for tc make proceding write to clear */
udelay(1);
bits = (~ctrl & NAND_NCE) << 14;
bits |= (ctrl & NAND_CLE) << 12;
bits |= (ctrl & NAND_ALE) >> 1;
#warning Wild guess as gpiosetout() is nowhere defined in the kernel source - tglx
gpiosetout(0x5002, bits);
#ifdef CONFIG_NAND_WORKAROUND
/* "some" dev boards busted, blue wired to rts2 :( */
rts2setout(2, (ctrl & NAND_CLE) << 1);
#endif
/* allow time to ensure gpio state to over take memory write */
udelay(1);
}
if (cmd != NAND_CMD_NONE)
writeb(cmd, chip->IO_ADDR_W);
}
/*
* Main initialization routine
*/
static int __init toto_init(void)
{
struct nand_chip *this;
int err = 0;
/* Allocate memory for MTD device structure and private data */
toto_mtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL);
if (!toto_mtd) {
printk(KERN_WARNING "Unable to allocate toto NAND MTD device structure.\n");
err = -ENOMEM;
goto out;
}
/* Get pointer to private data */
this = (struct nand_chip *)(&toto_mtd[1]);
/* Initialize structures */
memset(toto_mtd, 0, sizeof(struct mtd_info));
memset(this, 0, sizeof(struct nand_chip));
/* Link the private data with the MTD structure */
toto_mtd->priv = this;
toto_mtd->owner = THIS_MODULE;
/* Set address of NAND IO lines */
this->IO_ADDR_R = toto_io_base;
this->IO_ADDR_W = toto_io_base;
this->cmd_ctrl = toto_hwcontrol;
this->dev_ready = NULL;
/* 25 us command delay time */
this->chip_delay = 30;
this->ecc.mode = NAND_ECC_SOFT;
/* Scan to find existance of the device */
if (nand_scan(toto_mtd, 1)) {
err = -ENXIO;
goto out_mtd;
}
/* Register the partitions */
switch (toto_mtd->size) {
case SZ_64M:
add_mtd_partitions(toto_mtd, partition_info64M, NUM_PARTITIONS64M);
break;
case SZ_32M:
add_mtd_partitions(toto_mtd, partition_info32M, NUM_PARTITIONS32M);
break;
default:{
printk(KERN_WARNING "Unsupported Nand device\n");
err = -ENXIO;
goto out_buf;
}
}
gpioreserve(NAND_MASK); /* claim our gpios */
archflashwp(0, 0); /* open up flash for writing */
goto out;
out_mtd:
kfree(toto_mtd);
out:
return err;
}
module_init(toto_init);
/*
* Clean up routine
*/
static void __exit toto_cleanup(void)
{
/* Release resources, unregister device */
nand_release(toto_mtd);
/* Free the MTD device structure */
kfree(toto_mtd);
/* stop flash writes */
archflashwp(0, 1);
/* release gpios to system */
gpiorelease(NAND_MASK);
}
module_exit(toto_cleanup);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Richard Woodruff <r-woodruff2@ti.com>");
MODULE_DESCRIPTION("Glue layer for NAND flash on toto board");
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