*
*/
+#include <linux/config.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/kernel.h>
#define MAX_WORD_RETRIES 3
#define MANUFACTURER_AMD 0x0001
-#define MANUFACTURER_ATMEL 0x001F
#define MANUFACTURER_SST 0x00BF
#define SST49LF004B 0x0060
#define SST49LF008A 0x005a
-#define AT49BV6416 0x00d6
static int cfi_amdstd_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *);
static int cfi_amdstd_write_words(struct mtd_info *, loff_t, size_t, size_t *, const u_char *);
static void put_chip(struct map_info *map, struct flchip *chip, unsigned long adr);
#include "fwh_lock.h"
-static int cfi_atmel_lock(struct mtd_info *mtd, loff_t ofs, size_t len);
-static int cfi_atmel_unlock(struct mtd_info *mtd, loff_t ofs, size_t len);
-
static struct mtd_chip_driver cfi_amdstd_chipdrv = {
.probe = NULL, /* Not usable directly */
.destroy = cfi_amdstd_destroy,
}
}
-/* Atmel chips don't use the same PRI format as AMD chips */
-static void fixup_convert_atmel_pri(struct mtd_info *mtd, void *param)
-{
- struct map_info *map = mtd->priv;
- struct cfi_private *cfi = map->fldrv_priv;
- struct cfi_pri_amdstd *extp = cfi->cmdset_priv;
- struct cfi_pri_atmel atmel_pri;
-
- memcpy(&atmel_pri, extp, sizeof(atmel_pri));
- memset((char *)extp + 5, 0, sizeof(*extp) - 5);
-
- if (atmel_pri.Features & 0x02)
- extp->EraseSuspend = 2;
-
- if (atmel_pri.BottomBoot)
- extp->TopBottom = 2;
- else
- extp->TopBottom = 3;
-}
-
static void fixup_use_secsi(struct mtd_info *mtd, void *param)
{
/* Setup for chips with a secsi area */
}
-/*
- * Some Atmel chips (e.g. the AT49BV6416) power-up with all sectors
- * locked by default.
- */
-static void fixup_use_atmel_lock(struct mtd_info *mtd, void *param)
-{
- mtd->lock = cfi_atmel_lock;
- mtd->unlock = cfi_atmel_unlock;
-}
-
static struct cfi_fixup cfi_fixup_table[] = {
#ifdef AMD_BOOTLOC_BUG
{ CFI_MFR_AMD, CFI_ID_ANY, fixup_amd_bootblock, NULL },
#if !FORCE_WORD_WRITE
{ CFI_MFR_ANY, CFI_ID_ANY, fixup_use_write_buffers, NULL, },
#endif
- { CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL },
{ 0, 0, NULL, NULL }
};
static struct cfi_fixup jedec_fixup_table[] = {
* we know that is the case.
*/
{ CFI_MFR_ANY, CFI_ID_ANY, fixup_use_erase_chip, NULL },
- { CFI_MFR_ATMEL, AT49BV6416, fixup_use_atmel_lock, NULL },
{ 0, 0, NULL, NULL }
};
mtd->resume = cfi_amdstd_resume;
mtd->flags = MTD_CAP_NORFLASH;
mtd->name = map->name;
- mtd->writesize = 1;
if (cfi->cfi_mode==CFI_MODE_CFI){
unsigned char bootloc;
return cfi_amdstd_setup(mtd);
}
-EXPORT_SYMBOL_GPL(cfi_cmdset_0002);
+
static struct mtd_info *cfi_amdstd_setup(struct mtd_info *mtd)
{
return 0;
}
-static int do_atmel_lock(struct map_info *map, struct flchip *chip,
- unsigned long adr, int len, void *thunk)
-{
- struct cfi_private *cfi = map->fldrv_priv;
- int ret;
-
- spin_lock(chip->mutex);
- ret = get_chip(map, chip, adr + chip->start, FL_LOCKING);
- if (ret)
- goto out_unlock;
- chip->state = FL_LOCKING;
-
- DEBUG(MTD_DEBUG_LEVEL3, "MTD %s(): LOCK 0x%08lx len %d\n",
- __func__, adr, len);
-
- cfi_send_gen_cmd(0xAA, cfi->addr_unlock1, chip->start, map, cfi,
- cfi->device_type, NULL);
- cfi_send_gen_cmd(0x55, cfi->addr_unlock2, chip->start, map, cfi,
- cfi->device_type, NULL);
- cfi_send_gen_cmd(0x80, cfi->addr_unlock1, chip->start, map, cfi,
- cfi->device_type, NULL);
- cfi_send_gen_cmd(0xAA, cfi->addr_unlock1, chip->start, map, cfi,
- cfi->device_type, NULL);
- cfi_send_gen_cmd(0x55, cfi->addr_unlock2, chip->start, map, cfi,
- cfi->device_type, NULL);
- map_write(map, CMD(0x40), chip->start + adr);
-
- chip->state = FL_READY;
- put_chip(map, chip, adr + chip->start);
- ret = 0;
-
-out_unlock:
- spin_unlock(chip->mutex);
- return ret;
-}
-
-static int do_atmel_unlock(struct map_info *map, struct flchip *chip,
- unsigned long adr, int len, void *thunk)
-{
- struct cfi_private *cfi = map->fldrv_priv;
- int ret;
-
- spin_lock(chip->mutex);
- ret = get_chip(map, chip, adr + chip->start, FL_UNLOCKING);
- if (ret)
- goto out_unlock;
- chip->state = FL_UNLOCKING;
-
- DEBUG(MTD_DEBUG_LEVEL3, "MTD %s(): LOCK 0x%08lx len %d\n",
- __func__, adr, len);
-
- cfi_send_gen_cmd(0xAA, cfi->addr_unlock1, chip->start, map, cfi,
- cfi->device_type, NULL);
- map_write(map, CMD(0x70), adr);
-
- chip->state = FL_READY;
- put_chip(map, chip, adr + chip->start);
- ret = 0;
-
-out_unlock:
- spin_unlock(chip->mutex);
- return ret;
-}
-
-static int cfi_atmel_lock(struct mtd_info *mtd, loff_t ofs, size_t len)
-{
- return cfi_varsize_frob(mtd, do_atmel_lock, ofs, len, NULL);
-}
-
-static int cfi_atmel_unlock(struct mtd_info *mtd, loff_t ofs, size_t len)
-{
- return cfi_varsize_frob(mtd, do_atmel_unlock, ofs, len, NULL);
-}
-
static void cfi_amdstd_sync (struct mtd_info *mtd)
{
kfree(mtd->eraseregions);
}
+static char im_name[]="cfi_cmdset_0002";
+
+
+static int __init cfi_amdstd_init(void)
+{
+ inter_module_register(im_name, THIS_MODULE, &cfi_cmdset_0002);
+ return 0;
+}
+
+
+static void __exit cfi_amdstd_exit(void)
+{
+ inter_module_unregister(im_name);
+}
+
+
+module_init(cfi_amdstd_init);
+module_exit(cfi_amdstd_exit);
+
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Crossnet Co. <info@crossnet.co.jp> et al.");
MODULE_DESCRIPTION("MTD chip driver for AMD/Fujitsu flash chips");
git://git.onelab.eu / linux-2.6.git / blobdiff