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Diffstat (limited to 'drivers/mtd/maps/db1550-flash.c')
-rw-r--r--drivers/mtd/maps/db1550-flash.c187
1 files changed, 0 insertions, 187 deletions
diff --git a/drivers/mtd/maps/db1550-flash.c b/drivers/mtd/maps/db1550-flash.c
deleted file mode 100644
index d213888462a..00000000000
--- a/drivers/mtd/maps/db1550-flash.c
+++ /dev/null
@@ -1,187 +0,0 @@
-/*
- * Flash memory access on Alchemy Db1550 board
- *
- * $Id: db1550-flash.c,v 1.7 2004/11/04 13:24:14 gleixner Exp $
- *
- * (C) 2004 Embedded Edge, LLC, based on db1550-flash.c:
- * (C) 2003, 2004 Pete Popov <ppopov@embeddedalley.com>
- *
- */
-
-#include <linux/config.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#include <linux/mtd/partitions.h>
-
-#include <asm/io.h>
-
-#ifdef DEBUG_RW
-#define DBG(x...) printk(x)
-#else
-#define DBG(x...)
-#endif
-
-static unsigned long window_addr;
-static unsigned long window_size;
-
-
-static struct map_info db1550_map = {
- .name = "Db1550 flash",
-};
-
-static unsigned char flash_bankwidth = 4;
-
-/*
- * Support only 64MB NOR Flash parts
- */
-
-#if defined(CONFIG_MTD_DB1550_BOOT) && defined(CONFIG_MTD_DB1550_USER)
-#define DB1550_BOTH_BANKS
-#elif defined(CONFIG_MTD_DB1550_BOOT) && !defined(CONFIG_MTD_DB1550_USER)
-#define DB1550_BOOT_ONLY
-#elif !defined(CONFIG_MTD_DB1550_BOOT) && defined(CONFIG_MTD_DB1550_USER)
-#define DB1550_USER_ONLY
-#endif
-
-#ifdef DB1550_BOTH_BANKS
-/* both banks will be used. Combine the first bank and the first
- * part of the second bank together into a single jffs/jffs2
- * partition.
- */
-static struct mtd_partition db1550_partitions[] = {
- /* assume boot[2:0]:swap is '0000' or '1000', which translates to:
- * 1C00 0000 1FFF FFFF CE0 64MB Boot NOR Flash
- * 1800 0000 1BFF FFFF CE0 64MB Param NOR Flash
- */
- {
- .name = "User FS",
- .size = (0x1FC00000 - 0x18000000),
- .offset = 0x0000000
- },{
- .name = "yamon",
- .size = 0x0100000,
- .offset = MTDPART_OFS_APPEND,
- .mask_flags = MTD_WRITEABLE
- },{
- .name = "raw kernel",
- .size = (0x300000 - 0x40000), /* last 256KB is yamon env */
- .offset = MTDPART_OFS_APPEND,
- }
-};
-#elif defined(DB1550_BOOT_ONLY)
-static struct mtd_partition db1550_partitions[] = {
- /* assume boot[2:0]:swap is '0000' or '1000', which translates to:
- * 1C00 0000 1FFF FFFF CE0 64MB Boot NOR Flash
- */
- {
- .name = "User FS",
- .size = 0x03c00000,
- .offset = 0x0000000
- },{
- .name = "yamon",
- .size = 0x0100000,
- .offset = MTDPART_OFS_APPEND,
- .mask_flags = MTD_WRITEABLE
- },{
- .name = "raw kernel",
- .size = (0x300000-0x40000), /* last 256KB is yamon env */
- .offset = MTDPART_OFS_APPEND,
- }
-};
-#elif defined(DB1550_USER_ONLY)
-static struct mtd_partition db1550_partitions[] = {
- /* assume boot[2:0]:swap is '0000' or '1000', which translates to:
- * 1800 0000 1BFF FFFF CE0 64MB Param NOR Flash
- */
- {
- .name = "User FS",
- .size = (0x4000000 - 0x200000), /* reserve 2MB for raw kernel */
- .offset = 0x0000000
- },{
- .name = "raw kernel",
- .size = MTDPART_SIZ_FULL,
- .offset = MTDPART_OFS_APPEND,
- }
-};
-#else
-#error MTD_DB1550 define combo error /* should never happen */
-#endif
-
-#define NB_OF(x) (sizeof(x)/sizeof(x[0]))
-
-static struct mtd_info *mymtd;
-
-/*
- * Probe the flash density and setup window address and size
- * based on user CONFIG options. There are times when we don't
- * want the MTD driver to be probing the boot or user flash,
- * so having the option to enable only one bank is important.
- */
-int setup_flash_params(void)
-{
-#if defined(DB1550_BOTH_BANKS)
- window_addr = 0x18000000;
- window_size = 0x8000000;
-#elif defined(DB1550_BOOT_ONLY)
- window_addr = 0x1C000000;
- window_size = 0x4000000;
-#else /* USER ONLY */
- window_addr = 0x18000000;
- window_size = 0x4000000;
-#endif
- return 0;
-}
-
-int __init db1550_mtd_init(void)
-{
- struct mtd_partition *parts;
- int nb_parts = 0;
-
- /* Default flash bankwidth */
- db1550_map.bankwidth = flash_bankwidth;
-
- if (setup_flash_params())
- return -ENXIO;
-
- /*
- * Static partition definition selection
- */
- parts = db1550_partitions;
- nb_parts = NB_OF(db1550_partitions);
- db1550_map.size = window_size;
-
- /*
- * Now let's probe for the actual flash. Do it here since
- * specific machine settings might have been set above.
- */
- printk(KERN_NOTICE "Db1550 flash: probing %d-bit flash bus\n",
- db1550_map.bankwidth*8);
- db1550_map.virt = ioremap(window_addr, window_size);
- mymtd = do_map_probe("cfi_probe", &db1550_map);
- if (!mymtd) return -ENXIO;
- mymtd->owner = THIS_MODULE;
-
- add_mtd_partitions(mymtd, parts, nb_parts);
- return 0;
-}
-
-static void __exit db1550_mtd_cleanup(void)
-{
- if (mymtd) {
- del_mtd_partitions(mymtd);
- map_destroy(mymtd);
- iounmap((void *) db1550_map.virt);
- }
-}
-
-module_init(db1550_mtd_init);
-module_exit(db1550_mtd_cleanup);
-
-MODULE_AUTHOR("Embedded Edge, LLC");
-MODULE_DESCRIPTION("Db1550 mtd map driver");
-MODULE_LICENSE("GPL");