[MTD] Remove Momenco Ocelot NOR flash support
Linux-MTD Mailing List
linux-mtd at lists.infradead.org
Sun Sep 9 12:59:01 EDT 2007
Gitweb: http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=5041f1f1b753031731bc404c906817323a9c280b
Commit: 5041f1f1b753031731bc404c906817323a9c280b
Parent: 98b830d26095007aeb04041147b93d2b74e0a0c0
Author: Yoichi Yuasa <yoichi_yuasa at tripeaks.co.jp>
AuthorDate: Sun Sep 9 23:35:25 2007 +0900
Committer: David Woodhouse <dwmw2 at infradead.org>
CommitDate: Sun Sep 9 17:17:46 2007 +0100
[MTD] Remove Momenco Ocelot NOR flash support
This patch has removed Momenco Ocelot support from MTD.
Ocelot support has already removed.
Signed-off-by: Yoichi Yuasa <yoichi_yuasa at tripeaks.co.jp>
Signed-off-by: David Woodhouse <dwmw2 at infradead.org>
---
drivers/mtd/maps/Kconfig | 8 --
drivers/mtd/maps/Makefile | 1 -
drivers/mtd/maps/ocelot.c | 175 ---------------------------------------------
3 files changed, 0 insertions(+), 184 deletions(-)
diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig
index 5850ccd..1c97163 100644
--- a/drivers/mtd/maps/Kconfig
+++ b/drivers/mtd/maps/Kconfig
@@ -384,14 +384,6 @@ config MTD_REDWOOD
Redwood board. If you have one of these boards and would like to
use the flash chips on it, say 'Y'.
-config MTD_OCELOT
- tristate "Momenco Ocelot boot flash device"
- depends on MOMENCO_OCELOT
- help
- This enables access routines for the boot flash device and for the
- NVRAM on the Momenco Ocelot board. If you have one of these boards
- and would like access to either of these, say 'Y'.
-
config MTD_SOLUTIONENGINE
tristate "CFI Flash device mapped on Hitachi SolutionEngine"
depends on SUPERH && MTD_CFI && MTD_REDBOOT_PARTS
diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile
index b9019b1..53fa2b5 100644
--- a/drivers/mtd/maps/Makefile
+++ b/drivers/mtd/maps/Makefile
@@ -43,7 +43,6 @@ obj-$(CONFIG_MTD_SUN_UFLASH) += sun_uflash.o
obj-$(CONFIG_MTD_VMAX) += vmax301.o
obj-$(CONFIG_MTD_SCx200_DOCFLASH)+= scx200_docflash.o
obj-$(CONFIG_MTD_DBOX2) += dbox2-flash.o
-obj-$(CONFIG_MTD_OCELOT) += ocelot.o
obj-$(CONFIG_MTD_SOLUTIONENGINE)+= solutionengine.o
obj-$(CONFIG_MTD_PCI) += pci.o
obj-$(CONFIG_MTD_ALCHEMY) += alchemy-flash.o
diff --git a/drivers/mtd/maps/ocelot.c b/drivers/mtd/maps/ocelot.c
deleted file mode 100644
index 6977963..0000000
--- a/drivers/mtd/maps/ocelot.c
+++ /dev/null
@@ -1,175 +0,0 @@
-/*
- * $Id: ocelot.c,v 1.17 2005/11/07 11:14:27 gleixner Exp $
- *
- * Flash on Momenco Ocelot
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <asm/io.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#include <linux/mtd/partitions.h>
-
-#define OCELOT_PLD 0x2c000000
-#define FLASH_WINDOW_ADDR 0x2fc00000
-#define FLASH_WINDOW_SIZE 0x00080000
-#define FLASH_BUSWIDTH 1
-#define NVRAM_WINDOW_ADDR 0x2c800000
-#define NVRAM_WINDOW_SIZE 0x00007FF0
-#define NVRAM_BUSWIDTH 1
-
-static unsigned int cacheflush = 0;
-
-static struct mtd_info *flash_mtd;
-static struct mtd_info *nvram_mtd;
-
-static void ocelot_ram_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf)
-{
- struct map_info *map = mtd->priv;
- size_t done = 0;
-
- /* If we use memcpy, it does word-wide writes. Even though we told the
- GT64120A that it's an 8-bit wide region, word-wide writes don't work.
- We end up just writing the first byte of the four to all four bytes.
- So we have this loop instead */
- *retlen = len;
- while(len) {
- __raw_writeb(*(unsigned char *) from, map->virt + to);
- from++;
- to++;
- len--;
- }
-}
-
-static struct mtd_partition *parsed_parts;
-
-struct map_info ocelot_flash_map = {
- .name = "Ocelot boot flash",
- .size = FLASH_WINDOW_SIZE,
- .bankwidth = FLASH_BUSWIDTH,
- .phys = FLASH_WINDOW_ADDR,
-};
-
-struct map_info ocelot_nvram_map = {
- .name = "Ocelot NVRAM",
- .size = NVRAM_WINDOW_SIZE,
- .bankwidth = NVRAM_BUSWIDTH,
- .phys = NVRAM_WINDOW_ADDR,
-};
-
-static const char *probes[] = { "RedBoot", NULL };
-
-static int __init init_ocelot_maps(void)
-{
- void *pld;
- int nr_parts;
- unsigned char brd_status;
-
- printk(KERN_INFO "Momenco Ocelot MTD mappings: Flash 0x%x at 0x%x, NVRAM 0x%x at 0x%x\n",
- FLASH_WINDOW_SIZE, FLASH_WINDOW_ADDR, NVRAM_WINDOW_SIZE, NVRAM_WINDOW_ADDR);
-
- /* First check whether the flash jumper is present */
- pld = ioremap(OCELOT_PLD, 0x10);
- if (!pld) {
- printk(KERN_NOTICE "Failed to ioremap Ocelot PLD\n");
- return -EIO;
- }
- brd_status = readb(pld+4);
- iounmap(pld);
-
- /* Now ioremap the NVRAM space */
- ocelot_nvram_map.virt = ioremap_nocache(NVRAM_WINDOW_ADDR, NVRAM_WINDOW_SIZE);
- if (!ocelot_nvram_map.virt) {
- printk(KERN_NOTICE "Failed to ioremap Ocelot NVRAM space\n");
- return -EIO;
- }
-
- simple_map_init(&ocelot_nvram_map);
-
- /* And do the RAM probe on it to get an MTD device */
- nvram_mtd = do_map_probe("map_ram", &ocelot_nvram_map);
- if (!nvram_mtd) {
- printk("NVRAM probe failed\n");
- goto fail_1;
- }
- nvram_mtd->owner = THIS_MODULE;
- nvram_mtd->erasesize = 16;
- /* Override the write() method */
- nvram_mtd->write = ocelot_ram_write;
-
- /* Now map the flash space */
- ocelot_flash_map.virt = ioremap_nocache(FLASH_WINDOW_ADDR, FLASH_WINDOW_SIZE);
- if (!ocelot_flash_map.virt) {
- printk(KERN_NOTICE "Failed to ioremap Ocelot flash space\n");
- goto fail_2;
- }
- /* Now the cached version */
- ocelot_flash_map.cached = (unsigned long)__ioremap(FLASH_WINDOW_ADDR, FLASH_WINDOW_SIZE, 0);
-
- simple_map_init(&ocelot_flash_map);
-
- /* Only probe for flash if the write jumper is present */
- if (brd_status & 0x40) {
- flash_mtd = do_map_probe("jedec", &ocelot_flash_map);
- } else {
- printk(KERN_NOTICE "Ocelot flash write jumper not present. Treating as ROM\n");
- }
- /* If that failed or the jumper's absent, pretend it's ROM */
- if (!flash_mtd) {
- flash_mtd = do_map_probe("map_rom", &ocelot_flash_map);
- /* If we're treating it as ROM, set the erase size */
- if (flash_mtd)
- flash_mtd->erasesize = 0x10000;
- }
- if (!flash_mtd)
- goto fail3;
-
- add_mtd_device(nvram_mtd);
-
- flash_mtd->owner = THIS_MODULE;
- nr_parts = parse_mtd_partitions(flash_mtd, probes, &parsed_parts, 0);
-
- if (nr_parts > 0)
- add_mtd_partitions(flash_mtd, parsed_parts, nr_parts);
- else
- add_mtd_device(flash_mtd);
-
- return 0;
-
- fail3:
- iounmap((void *)ocelot_flash_map.virt);
- if (ocelot_flash_map.cached)
- iounmap((void *)ocelot_flash_map.cached);
- fail_2:
- map_destroy(nvram_mtd);
- fail_1:
- iounmap((void *)ocelot_nvram_map.virt);
-
- return -ENXIO;
-}
-
-static void __exit cleanup_ocelot_maps(void)
-{
- del_mtd_device(nvram_mtd);
- map_destroy(nvram_mtd);
- iounmap((void *)ocelot_nvram_map.virt);
-
- if (parsed_parts)
- del_mtd_partitions(flash_mtd);
- else
- del_mtd_device(flash_mtd);
- map_destroy(flash_mtd);
- iounmap((void *)ocelot_flash_map.virt);
- if (ocelot_flash_map.cached)
- iounmap((void *)ocelot_flash_map.cached);
-}
-
-module_init(init_ocelot_maps);
-module_exit(cleanup_ocelot_maps);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Red Hat, Inc. - David Woodhouse <dwmw2 at cambridge.redhat.com>");
-MODULE_DESCRIPTION("MTD map driver for Momenco Ocelot board");
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