[PATCH 2/2] Remove now-defunct ts7250 nand driver
H Hartley Sweeten
hartleys at visionengravers.com
Sun Oct 11 17:19:51 EDT 2009
The ts72xx platform has been updated to use the generic platform nand
driver (plat_nand.c). This removes the now-defunct ts7250.c nand driver.
Signed-off-by: H Hartley Sweeten <hsweeten at visionengravers.com>
Cc: Matthieu Crapet <mcrapet at gmail.com>
Cc: David Woodhouse <dwmw2 at infradead.org>
Cc: Artem Bityutskiy <dedekind1 at gmail.com>
Cc: <linux-arm-kernel at lists.infradead.org>
Cc: <linux-mtd at lists.infradead.org>
---
V2 - rebased to current mtd tree (Artem Bityutskiy)
arch/arm/mach-ep93xx/include/mach/ts72xx.h | 19 ---
drivers/mtd/nand/Kconfig | 6 -
drivers/mtd/nand/Makefile | 1 -
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 2fda0b6..fdee525 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -97,12 +97,6 @@ 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 6950d3d..ecc404c 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 at embeddedARM.com)
- *
- * Derived from drivers/mtd/nand/edb7312.c
- * Copyright (C) 2004 Marius Gröger (mag at sysgo.de)
- *
- * Derived from drivers/mtd/nand/autcpu12.c
- * Copyright (c) 2001 Thomas Gleixner (gleixner at 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 at embeddedARM.com>");
-MODULE_DESCRIPTION("MTD map driver for Technologic Systems TS-7250 board");
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