mirror of https://gitee.com/openkylin/linux.git
[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: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
David Woodhouse
parent
c8872b069c
commit
16e00b609a
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@ -434,13 +434,6 @@ config MTD_CEIVA
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PhotoMax Digital Picture Frame.
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If you have such a device, say 'Y'.
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config MTD_NOR_TOTO
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tristate "NOR Flash device on TOTO board"
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depends on ARCH_OMAP && OMAP_TOTO
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help
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This enables access to the NOR flash on the Texas Instruments
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TOTO board.
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config MTD_H720X
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tristate "Hynix evaluation board mappings"
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depends on MTD_CFI && ( ARCH_H7201 || ARCH_H7202 )
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@ -52,7 +52,6 @@ obj-$(CONFIG_MTD_NETtel) += nettel.o
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obj-$(CONFIG_MTD_SCB2_FLASH) += scb2_flash.o
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obj-$(CONFIG_MTD_H720X) += h720x-flash.o
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obj-$(CONFIG_MTD_SBC8240) += sbc8240.o
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obj-$(CONFIG_MTD_NOR_TOTO) += omap-toto-flash.o
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obj-$(CONFIG_MTD_IXP4XX) += ixp4xx.o
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obj-$(CONFIG_MTD_IXP2000) += ixp2000.o
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obj-$(CONFIG_MTD_WRSBC8260) += wr_sbc82xx_flash.o
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@ -1,133 +0,0 @@
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/*
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* NOR Flash memory access on TI Toto board
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*
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* jzhang@ti.com (C) 2003 Texas Instruments.
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*
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* (C) 2002 MontVista Software, Inc.
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*/
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#include <linux/module.h>
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/init.h>
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#include <linux/slab.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/map.h>
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#include <linux/mtd/partitions.h>
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#include <asm/hardware.h>
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#include <asm/io.h>
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#ifndef CONFIG_ARCH_OMAP
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#error This is for OMAP architecture only
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#endif
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//these lines need be moved to a hardware header file
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#define OMAP_TOTO_FLASH_BASE 0xd8000000
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#define OMAP_TOTO_FLASH_SIZE 0x80000
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static struct map_info omap_toto_map_flash = {
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.name = "OMAP Toto flash",
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.bankwidth = 2,
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.virt = (void __iomem *)OMAP_TOTO_FLASH_BASE,
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};
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static struct mtd_partition toto_flash_partitions[] = {
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{
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.name = "BootLoader",
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.size = 0x00040000, /* hopefully u-boot will stay 128k + 128*/
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.offset = 0,
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.mask_flags = MTD_WRITEABLE, /* force read-only */
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}, {
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.name = "ReservedSpace",
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.size = 0x00030000,
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.offset = MTDPART_OFS_APPEND,
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//mask_flags: MTD_WRITEABLE, /* force read-only */
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}, {
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.name = "EnvArea", /* bottom 64KiB for env vars */
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.size = MTDPART_SIZ_FULL,
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.offset = MTDPART_OFS_APPEND,
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}
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};
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static struct mtd_partition *parsed_parts;
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static struct mtd_info *flash_mtd;
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static int __init init_flash (void)
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{
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struct mtd_partition *parts;
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int nb_parts = 0;
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int parsed_nr_parts = 0;
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const char *part_type;
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/*
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* Static partition definition selection
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*/
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part_type = "static";
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parts = toto_flash_partitions;
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nb_parts = ARRAY_SIZE(toto_flash_partitions);
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omap_toto_map_flash.size = OMAP_TOTO_FLASH_SIZE;
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omap_toto_map_flash.phys = virt_to_phys(OMAP_TOTO_FLASH_BASE);
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simple_map_init(&omap_toto_map_flash);
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/*
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* Now let's probe for the actual flash. Do it here since
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* specific machine settings might have been set above.
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*/
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printk(KERN_NOTICE "OMAP toto flash: probing %d-bit flash bus\n",
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omap_toto_map_flash.bankwidth*8);
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flash_mtd = do_map_probe("jedec_probe", &omap_toto_map_flash);
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if (!flash_mtd)
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return -ENXIO;
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if (parsed_nr_parts > 0) {
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parts = parsed_parts;
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nb_parts = parsed_nr_parts;
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}
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if (nb_parts == 0) {
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printk(KERN_NOTICE "OMAP toto flash: no partition info available,"
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"registering whole flash at once\n");
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if (add_mtd_device(flash_mtd)){
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return -ENXIO;
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}
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} else {
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printk(KERN_NOTICE "Using %s partition definition\n",
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part_type);
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return add_mtd_partitions(flash_mtd, parts, nb_parts);
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}
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return 0;
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}
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int __init omap_toto_mtd_init(void)
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{
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int status;
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if (status = init_flash()) {
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printk(KERN_ERR "OMAP Toto Flash: unable to init map for toto flash\n");
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}
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return status;
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}
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static void __exit omap_toto_mtd_cleanup(void)
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{
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if (flash_mtd) {
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del_mtd_partitions(flash_mtd);
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map_destroy(flash_mtd);
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kfree(parsed_parts);
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}
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}
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module_init(omap_toto_mtd_init);
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module_exit(omap_toto_mtd_cleanup);
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MODULE_AUTHOR("Jian Zhang");
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MODULE_DESCRIPTION("OMAP Toto board map driver");
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MODULE_LICENSE("GPL");
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@ -68,12 +68,6 @@ config MTD_NAND_AMS_DELTA
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help
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Support for NAND flash on Amstrad E3 (Delta).
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config MTD_NAND_TOTO
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tristate "NAND Flash device on TOTO board"
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depends on ARCH_OMAP && BROKEN
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help
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Support for NAND flash on Texas Instruments Toto platform.
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config MTD_NAND_TS7250
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tristate "NAND Flash device on TS-7250 board"
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depends on MACH_TS72XX
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@ -8,7 +8,6 @@ obj-$(CONFIG_MTD_NAND_IDS) += nand_ids.o
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obj-$(CONFIG_MTD_NAND_CAFE) += cafe_nand.o
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obj-$(CONFIG_MTD_NAND_SPIA) += spia.o
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obj-$(CONFIG_MTD_NAND_AMS_DELTA) += ams-delta.o
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obj-$(CONFIG_MTD_NAND_TOTO) += toto.o
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obj-$(CONFIG_MTD_NAND_AUTCPU12) += autcpu12.o
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obj-$(CONFIG_MTD_NAND_EDB7312) += edb7312.o
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obj-$(CONFIG_MTD_NAND_AU1550) += au1550nd.o
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@ -1,206 +0,0 @@
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/*
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* drivers/mtd/nand/toto.c
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*
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* Copyright (c) 2003 Texas Instruments
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*
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* Derived from drivers/mtd/autcpu12.c
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*
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* Copyright (c) 2002 Thomas Gleixner <tgxl@linutronix.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Overview:
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* This is a device driver for the NAND flash device found on the
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* TI fido board. It supports 32MiB and 64MiB cards
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*/
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#include <linux/slab.h>
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/delay.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/nand.h>
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#include <linux/mtd/partitions.h>
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#include <asm/io.h>
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#include <asm/arch/hardware.h>
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#include <asm/sizes.h>
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#include <asm/arch/toto.h>
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#include <asm/arch-omap1510/hardware.h>
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#include <asm/arch/gpio.h>
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#define CONFIG_NAND_WORKAROUND 1
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/*
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* MTD structure for TOTO board
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*/
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static struct mtd_info *toto_mtd = NULL;
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static unsigned long toto_io_base = OMAP_FLASH_1_BASE;
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/*
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* Define partitions for flash devices
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*/
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static struct mtd_partition partition_info64M[] = {
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{ .name = "toto kernel partition 1",
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.offset = 0,
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.size = 2 * SZ_1M },
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{ .name = "toto file sys partition 2",
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.offset = 2 * SZ_1M,
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.size = 14 * SZ_1M },
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{ .name = "toto user partition 3",
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.offset = 16 * SZ_1M,
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.size = 16 * SZ_1M },
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{ .name = "toto devboard extra partition 4",
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.offset = 32 * SZ_1M,
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.size = 32 * SZ_1M },
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};
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static struct mtd_partition partition_info32M[] = {
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{ .name = "toto kernel partition 1",
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.offset = 0,
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.size = 2 * SZ_1M },
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{ .name = "toto file sys partition 2",
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.offset = 2 * SZ_1M,
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.size = 14 * SZ_1M },
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{ .name = "toto user partition 3",
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.offset = 16 * SZ_1M,
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.size = 16 * SZ_1M },
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};
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#define NUM_PARTITIONS32M 3
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#define NUM_PARTITIONS64M 4
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/*
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* hardware specific access to control-lines
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*
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* ctrl:
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* NAND_NCE: bit 0 -> bit 14 (0x4000)
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* NAND_CLE: bit 1 -> bit 12 (0x1000)
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* NAND_ALE: bit 2 -> bit 1 (0x0002)
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*/
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static void toto_hwcontrol(struct mtd_info *mtd, int cmd,
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unsigned int ctrl)
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{
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struct nand_chip *chip = mtd->priv;
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if (ctrl & NAND_CTRL_CHANGE) {
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unsigned long bits;
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/* hopefully enough time for tc make proceding write to clear */
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udelay(1);
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bits = (~ctrl & NAND_NCE) << 14;
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bits |= (ctrl & NAND_CLE) << 12;
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bits |= (ctrl & NAND_ALE) >> 1;
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#warning Wild guess as gpiosetout() is nowhere defined in the kernel source - tglx
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gpiosetout(0x5002, bits);
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#ifdef CONFIG_NAND_WORKAROUND
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/* "some" dev boards busted, blue wired to rts2 :( */
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rts2setout(2, (ctrl & NAND_CLE) << 1);
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#endif
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/* allow time to ensure gpio state to over take memory write */
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udelay(1);
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}
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if (cmd != NAND_CMD_NONE)
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writeb(cmd, chip->IO_ADDR_W);
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}
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/*
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* Main initialization routine
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*/
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static int __init toto_init(void)
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{
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struct nand_chip *this;
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int err = 0;
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/* Allocate memory for MTD device structure and private data */
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toto_mtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL);
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if (!toto_mtd) {
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printk(KERN_WARNING "Unable to allocate toto NAND MTD device structure.\n");
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err = -ENOMEM;
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goto out;
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}
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/* Get pointer to private data */
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this = (struct nand_chip *)(&toto_mtd[1]);
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/* Initialize structures */
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memset(toto_mtd, 0, sizeof(struct mtd_info));
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memset(this, 0, sizeof(struct nand_chip));
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/* Link the private data with the MTD structure */
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toto_mtd->priv = this;
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toto_mtd->owner = THIS_MODULE;
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/* Set address of NAND IO lines */
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this->IO_ADDR_R = toto_io_base;
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this->IO_ADDR_W = toto_io_base;
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this->cmd_ctrl = toto_hwcontrol;
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this->dev_ready = NULL;
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/* 25 us command delay time */
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this->chip_delay = 30;
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this->ecc.mode = NAND_ECC_SOFT;
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/* Scan to find existance of the device */
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if (nand_scan(toto_mtd, 1)) {
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err = -ENXIO;
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goto out_mtd;
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}
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/* Register the partitions */
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switch (toto_mtd->size) {
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case SZ_64M:
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add_mtd_partitions(toto_mtd, partition_info64M, NUM_PARTITIONS64M);
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break;
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case SZ_32M:
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add_mtd_partitions(toto_mtd, partition_info32M, NUM_PARTITIONS32M);
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break;
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default:{
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printk(KERN_WARNING "Unsupported Nand device\n");
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err = -ENXIO;
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goto out_buf;
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}
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}
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gpioreserve(NAND_MASK); /* claim our gpios */
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archflashwp(0, 0); /* open up flash for writing */
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goto out;
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out_mtd:
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kfree(toto_mtd);
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out:
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return err;
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}
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module_init(toto_init);
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/*
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* Clean up routine
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*/
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static void __exit toto_cleanup(void)
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{
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/* Release resources, unregister device */
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nand_release(toto_mtd);
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/* Free the MTD device structure */
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kfree(toto_mtd);
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/* stop flash writes */
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archflashwp(0, 1);
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/* release gpios to system */
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gpiorelease(NAND_MASK);
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}
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module_exit(toto_cleanup);
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MODULE_LICENSE("GPL");
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MODULE_AUTHOR("Richard Woodruff <r-woodruff2@ti.com>");
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MODULE_DESCRIPTION("Glue layer for NAND flash on toto board");
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