[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@tripeaks.co.jp>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>

diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig
index 5850ccd..1c97163 100644 (file)
--- 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 (file)
--- 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 (file)
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@cambridge.redhat.com>");
-MODULE_DESCRIPTION("MTD map driver for Momenco Ocelot board");