diff options
| -rw-r--r-- | arch/arm/mach-ep93xx/include/mach/ts72xx.h | 19 | ||||
| -rw-r--r-- | drivers/mtd/nand/Kconfig | 6 | ||||
| -rw-r--r-- | drivers/mtd/nand/Makefile | 1 | ||||
| -rw-r--r-- | drivers/mtd/nand/ts7250.c | 207 |
4 files changed, 0 insertions, 233 deletions
diff --git a/arch/arm/mach-ep93xx/include/mach/ts72xx.h b/arch/arm/mach-ep93xx/include/mach/ts72xx.h index 3bd934e..61c0e13 100644 --- a/arch/arm/mach-ep93xx/include/mach/ts72xx.h +++ b/arch/arm/mach-ep93xx/include/mach/ts72xx.h @@ -9,9 +9,6 @@ * febff000 22000000 4K model number register * febfe000 22400000 4K options register * febfd000 22800000 4K options register #2 - * febfc000 [67]0000000 4K NAND data register - * febfb000 [67]0400000 4K NAND control register - * febfa000 [67]0800000 4K NAND busy register * febf9000 10800000 4K TS-5620 RTC index register * febf8000 11700000 4K TS-5620 RTC data register */ @@ -41,22 +38,6 @@ #define TS72XX_OPTIONS2_TS9420_BOOT 0x02 -#define TS72XX_NAND1_DATA_PHYS_BASE 0x60000000 -#define TS72XX_NAND2_DATA_PHYS_BASE 0x70000000 -#define TS72XX_NAND_DATA_VIRT_BASE 0xfebfc000 -#define TS72XX_NAND_DATA_SIZE 0x00001000 - -#define TS72XX_NAND1_CONTROL_PHYS_BASE 0x60400000 -#define TS72XX_NAND2_CONTROL_PHYS_BASE 0x70400000 -#define TS72XX_NAND_CONTROL_VIRT_BASE 0xfebfb000 -#define TS72XX_NAND_CONTROL_SIZE 0x00001000 - -#define TS72XX_NAND1_BUSY_PHYS_BASE 0x60800000 -#define TS72XX_NAND2_BUSY_PHYS_BASE 0x70800000 -#define TS72XX_NAND_BUSY_VIRT_BASE 0xfebfa000 -#define TS72XX_NAND_BUSY_SIZE 0x00001000 - - #define TS72XX_RTC_INDEX_VIRT_BASE 0xfebf9000 #define TS72XX_RTC_INDEX_PHYS_BASE 0x10800000 #define TS72XX_RTC_INDEX_SIZE 0x00001000 diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig index 2dcbccb..318ef2f 100644 --- a/drivers/mtd/nand/Kconfig +++ b/drivers/mtd/nand/Kconfig @@ -95,12 +95,6 @@ config MTD_NAND_OMAP_PREFETCH_DMA or in DMA interrupt mode. Say y for DMA mode or MPU mode will be used -config MTD_NAND_TS7250 - tristate "NAND Flash device on TS-7250 board" - depends on MACH_TS72XX - help - Support for NAND flash on Technologic Systems TS-7250 platform. - config MTD_NAND_IDS tristate diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile index bba5add..3557868 100644 --- a/drivers/mtd/nand/Makefile +++ b/drivers/mtd/nand/Makefile @@ -19,7 +19,6 @@ obj-$(CONFIG_MTD_NAND_DISKONCHIP) += diskonchip.o obj-$(CONFIG_MTD_NAND_H1900) += h1910.o obj-$(CONFIG_MTD_NAND_RTC_FROM4) += rtc_from4.o obj-$(CONFIG_MTD_NAND_SHARPSL) += sharpsl.o -obj-$(CONFIG_MTD_NAND_TS7250) += ts7250.o obj-$(CONFIG_MTD_NAND_NANDSIM) += nandsim.o obj-$(CONFIG_MTD_NAND_CS553X) += cs553x_nand.o obj-$(CONFIG_MTD_NAND_NDFC) += ndfc.o diff --git a/drivers/mtd/nand/ts7250.c b/drivers/mtd/nand/ts7250.c deleted file mode 100644 index 0f5562a..0000000 --- a/drivers/mtd/nand/ts7250.c +++ /dev/null @@ -1,207 +0,0 @@ -/* - * drivers/mtd/nand/ts7250.c - * - * Copyright (C) 2004 Technologic Systems (support@embeddedARM.com) - * - * Derived from drivers/mtd/nand/edb7312.c - * Copyright (C) 2004 Marius Gröger (mag@sysgo.de) - * - * Derived from drivers/mtd/nand/autcpu12.c - * Copyright (c) 2001 Thomas Gleixner (gleixner@autronix.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 - * TS-7250 board which utilizes a Samsung 32 Mbyte part. - */ - -#include <linux/slab.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/nand.h> -#include <linux/mtd/partitions.h> -#include <linux/io.h> - -#include <mach/hardware.h> -#include <mach/ts72xx.h> - -#include <asm/sizes.h> -#include <asm/mach-types.h> - -/* - * MTD structure for TS7250 board - */ -static struct mtd_info *ts7250_mtd = NULL; - -#ifdef CONFIG_MTD_PARTITIONS -static const char *part_probes[] = { "cmdlinepart", NULL }; - -#define NUM_PARTITIONS 3 - -/* - * Define static partitions for flash device - */ -static struct mtd_partition partition_info32[] = { - { - .name = "TS-BOOTROM", - .offset = 0x00000000, - .size = 0x00004000, - }, { - .name = "Linux", - .offset = 0x00004000, - .size = 0x01d00000, - }, { - .name = "RedBoot", - .offset = 0x01d04000, - .size = 0x002fc000, - }, -}; - -/* - * Define static partitions for flash device - */ -static struct mtd_partition partition_info128[] = { - { - .name = "TS-BOOTROM", - .offset = 0x00000000, - .size = 0x00004000, - }, { - .name = "Linux", - .offset = 0x00004000, - .size = 0x07d00000, - }, { - .name = "RedBoot", - .offset = 0x07d04000, - .size = 0x002fc000, - }, -}; -#endif - - -/* - * hardware specific access to control-lines - * - * ctrl: - * NAND_NCE: bit 0 -> bit 2 - * NAND_CLE: bit 1 -> bit 1 - * NAND_ALE: bit 2 -> bit 0 - */ -static void ts7250_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl) -{ - struct nand_chip *chip = mtd->priv; - - if (ctrl & NAND_CTRL_CHANGE) { - unsigned long addr = TS72XX_NAND_CONTROL_VIRT_BASE; - unsigned char bits; - - bits = (ctrl & NAND_NCE) << 2; - bits |= ctrl & NAND_CLE; - bits |= (ctrl & NAND_ALE) >> 2; - - __raw_writeb((__raw_readb(addr) & ~0x7) | bits, addr); - } - - if (cmd != NAND_CMD_NONE) - writeb(cmd, chip->IO_ADDR_W); -} - -/* - * read device ready pin - */ -static int ts7250_device_ready(struct mtd_info *mtd) -{ - return __raw_readb(TS72XX_NAND_BUSY_VIRT_BASE) & 0x20; -} - -/* - * Main initialization routine - */ -static int __init ts7250_init(void) -{ - struct nand_chip *this; - const char *part_type = 0; - int mtd_parts_nb = 0; - struct mtd_partition *mtd_parts = 0; - - if (!machine_is_ts72xx() || board_is_ts7200()) - return -ENXIO; - - /* Allocate memory for MTD device structure and private data */ - ts7250_mtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL); - if (!ts7250_mtd) { - printk("Unable to allocate TS7250 NAND MTD device structure.\n"); - return -ENOMEM; - } - - /* Get pointer to private data */ - this = (struct nand_chip *)(&ts7250_mtd[1]); - - /* Initialize structures */ - memset(ts7250_mtd, 0, sizeof(struct mtd_info)); - memset(this, 0, sizeof(struct nand_chip)); - - /* Link the private data with the MTD structure */ - ts7250_mtd->priv = this; - ts7250_mtd->owner = THIS_MODULE; - - /* insert callbacks */ - this->IO_ADDR_R = (void *)TS72XX_NAND_DATA_VIRT_BASE; - this->IO_ADDR_W = (void *)TS72XX_NAND_DATA_VIRT_BASE; - this->cmd_ctrl = ts7250_hwcontrol; - this->dev_ready = ts7250_device_ready; - this->chip_delay = 15; - this->ecc.mode = NAND_ECC_SOFT; - - printk("Searching for NAND flash...\n"); - /* Scan to find existence of the device */ - if (nand_scan(ts7250_mtd, 1)) { - kfree(ts7250_mtd); - return -ENXIO; - } -#ifdef CONFIG_MTD_PARTITIONS - ts7250_mtd->name = "ts7250-nand"; - mtd_parts_nb = parse_mtd_partitions(ts7250_mtd, part_probes, &mtd_parts, 0); - if (mtd_parts_nb > 0) - part_type = "command line"; - else - mtd_parts_nb = 0; -#endif - if (mtd_parts_nb == 0) { - mtd_parts = partition_info32; - if (ts7250_mtd->size >= (128 * 0x100000)) - mtd_parts = partition_info128; - mtd_parts_nb = NUM_PARTITIONS; - part_type = "static"; - } - - /* Register the partitions */ - printk(KERN_NOTICE "Using %s partition definition\n", part_type); - add_mtd_partitions(ts7250_mtd, mtd_parts, mtd_parts_nb); - - /* Return happy */ - return 0; -} - -module_init(ts7250_init); - -/* - * Clean up routine - */ -static void __exit ts7250_cleanup(void) -{ - /* Unregister the device */ - del_mtd_device(ts7250_mtd); - - /* Free the MTD device structure */ - kfree(ts7250_mtd); -} - -module_exit(ts7250_cleanup); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Jesse Off <joff@embeddedARM.com>"); -MODULE_DESCRIPTION("MTD map driver for Technologic Systems TS-7250 board"); |
