patch-2.4.11-dontuse linux/drivers/mtd/chips/cfi_jedec.c
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- Lines: 290
- Date:
Wed Dec 31 16:00:00 1969
- Orig file:
v2.4.10/linux/drivers/mtd/chips/cfi_jedec.c
- Orig date:
Tue Jul 3 17:08:20 2001
diff -u --recursive --new-file v2.4.10/linux/drivers/mtd/chips/cfi_jedec.c linux/drivers/mtd/chips/cfi_jedec.c
@@ -1,289 +0,0 @@
-/* $Id: cfi_jedec.c,v 1.5 2001/06/02 14:52:23 dwmw2 Exp $ */
-
-#include <linux/config.h>
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <asm/io.h>
-#include <asm/byteorder.h>
-#include <linux/errno.h>
-#include <linux/slab.h>
-
-#include <linux/mtd/map.h>
-#include <linux/mtd/cfi.h>
-
-/* Manufacturers */
-#define MANUFACTURER_AMD 0x0001
-#define MANUFACTURER_FUJITSU 0x0004
-#define MANUFACTURER_ATMEL 0x001f
-#define MANUFACTURER_ST 0x0020
-#define MANUFACTURER_SST 0x00BF
-#define MANUFACTURER_TOSHIBA 0x0098
-
-/* AMD */
-#define AM29F800BB 0x2258
-#define AM29F800BT 0x22D6
-#define AM29LV800BB 0x225B
-#define AM29LV800BT 0x22DA
-#define AM29LV160DT 0x22C4
-#define AM29LV160DB 0x2249
-
-/* Atmel */
-#define AT49BV16X4 0x00c0
-#define AT49BV16X4T 0x00c2
-
-/* Fujitsu */
-#define MBM29LV160TE 0x22C4
-#define MBM29LV160BE 0x2249
-
-/* ST - www.st.com */
-#define M29W800T 0x00D7
-#define M29W160DT 0x22C4
-#define M29W160DB 0x2249
-
-/* SST */
-#define SST39LF800 0x2781
-#define SST39LF160 0x2782
-
-/* Toshiba */
-#define TC58FVT160 0x00C2
-#define TC58FVB160 0x0043
-
-
-struct amd_flash_info {
- const __u16 mfr_id;
- const __u16 dev_id;
- const char *name;
- const int DevSize;
- const int InterfaceDesc;
- const int NumEraseRegions;
- const ulong regions[4];
-};
-
-#define ERASEINFO(size,blocks) (size<<8)|(blocks-1)
-
-#define SIZE_1MiB 20
-#define SIZE_2MiB 21
-#define SIZE_4MiB 22
-
-static const struct amd_flash_info jedec_table[] = {
- {
- mfr_id: MANUFACTURER_AMD,
- dev_id: AM29LV160DT,
- name: "AMD AM29LV160DT",
- DevSize: SIZE_2MiB,
- NumEraseRegions: 4,
- regions: {ERASEINFO(0x10000,31),
- ERASEINFO(0x08000,1),
- ERASEINFO(0x02000,2),
- ERASEINFO(0x04000,1)
- }
- }, {
- mfr_id: MANUFACTURER_AMD,
- dev_id: AM29LV160DB,
- name: "AMD AM29LV160DB",
- DevSize: SIZE_2MiB,
- NumEraseRegions: 4,
- regions: {ERASEINFO(0x04000,1),
- ERASEINFO(0x02000,2),
- ERASEINFO(0x08000,1),
- ERASEINFO(0x10000,31)
- }
- }, {
- mfr_id: MANUFACTURER_TOSHIBA,
- dev_id: TC58FVT160,
- name: "Toshiba TC58FVT160",
- DevSize: SIZE_2MiB,
- NumEraseRegions: 4,
- regions: {ERASEINFO(0x10000,31),
- ERASEINFO(0x08000,1),
- ERASEINFO(0x02000,2),
- ERASEINFO(0x04000,1)
- }
- }, {
- mfr_id: MANUFACTURER_FUJITSU,
- dev_id: MBM29LV160TE,
- name: "Fujitsu MBM29LV160TE",
- DevSize: SIZE_2MiB,
- NumEraseRegions: 4,
- regions: {ERASEINFO(0x10000,31),
- ERASEINFO(0x08000,1),
- ERASEINFO(0x02000,2),
- ERASEINFO(0x04000,1)
- }
- }, {
- mfr_id: MANUFACTURER_TOSHIBA,
- dev_id: TC58FVB160,
- name: "Toshiba TC58FVB160",
- DevSize: SIZE_2MiB,
- NumEraseRegions: 4,
- regions: {ERASEINFO(0x04000,1),
- ERASEINFO(0x02000,2),
- ERASEINFO(0x08000,1),
- ERASEINFO(0x10000,31)
- }
- }, {
- mfr_id: MANUFACTURER_FUJITSU,
- dev_id: MBM29LV160BE,
- name: "Fujitsu MBM29LV160BE",
- DevSize: SIZE_2MiB,
- NumEraseRegions: 4,
- regions: {ERASEINFO(0x04000,1),
- ERASEINFO(0x02000,2),
- ERASEINFO(0x08000,1),
- ERASEINFO(0x10000,31)
- }
- }, {
- mfr_id: MANUFACTURER_AMD,
- dev_id: AM29LV800BB,
- name: "AMD AM29LV800BB",
- DevSize: SIZE_1MiB,
- NumEraseRegions: 4,
- regions: {ERASEINFO(0x04000,1),
- ERASEINFO(0x02000,2),
- ERASEINFO(0x08000,1),
- ERASEINFO(0x10000,15),
- }
- }, {
- mfr_id: MANUFACTURER_AMD,
- dev_id: AM29F800BB,
- name: "AMD AM29F800BB",
- DevSize: SIZE_1MiB,
- NumEraseRegions: 4,
- regions: {ERASEINFO(0x04000,1),
- ERASEINFO(0x02000,2),
- ERASEINFO(0x08000,1),
- ERASEINFO(0x10000,15),
- }
- }, {
- mfr_id: MANUFACTURER_AMD,
- dev_id: AM29LV800BT,
- name: "AMD AM29LV800BT",
- DevSize: SIZE_1MiB,
- NumEraseRegions: 4,
- regions: {ERASEINFO(0x10000,15),
- ERASEINFO(0x08000,1),
- ERASEINFO(0x02000,2),
- ERASEINFO(0x04000,1)
- }
- }, {
- mfr_id: MANUFACTURER_AMD,
- dev_id: AM29F800BT,
- name: "AMD AM29F800BT",
- DevSize: SIZE_1MiB,
- NumEraseRegions: 4,
- regions: {ERASEINFO(0x10000,15),
- ERASEINFO(0x08000,1),
- ERASEINFO(0x02000,2),
- ERASEINFO(0x04000,1)
- }
- }, {
- mfr_id: MANUFACTURER_AMD,
- dev_id: AM29LV800BB,
- name: "AMD AM29LV800BB",
- DevSize: SIZE_1MiB,
- NumEraseRegions: 4,
- regions: {ERASEINFO(0x10000,15),
- ERASEINFO(0x08000,1),
- ERASEINFO(0x02000,2),
- ERASEINFO(0x04000,1)
- }
- }, {
- mfr_id: MANUFACTURER_ST,
- dev_id: M29W800T,
- name: "ST M29W800T",
- DevSize: SIZE_1MiB,
- NumEraseRegions: 4,
- regions: {ERASEINFO(0x10000,15),
- ERASEINFO(0x08000,1),
- ERASEINFO(0x02000,2),
- ERASEINFO(0x04000,1)
- }
- }, {
- mfr_id: MANUFACTURER_ST,
- dev_id: M29W160DT,
- name: "ST M29W160DT",
- DevSize: SIZE_2MiB,
- NumEraseRegions: 4,
- regions: {ERASEINFO(0x10000,31),
- ERASEINFO(0x08000,1),
- ERASEINFO(0x02000,2),
- ERASEINFO(0x04000,1)
- }
- }, {
- mfr_id: MANUFACTURER_ST,
- dev_id: M29W160DB,
- name: "ST M29W160DB",
- DevSize: SIZE_2MiB,
- NumEraseRegions: 4,
- regions: {ERASEINFO(0x04000,1),
- ERASEINFO(0x02000,2),
- ERASEINFO(0x08000,1),
- ERASEINFO(0x10000,31)
- }
- }, {
- mfr_id: MANUFACTURER_ATMEL,
- dev_id: AT49BV16X4,
- name: "Atmel AT49BV16X4",
- DevSize: SIZE_2MiB,
- NumEraseRegions: 3,
- regions: {ERASEINFO(0x02000,8),
- ERASEINFO(0x08000,2),
- ERASEINFO(0x10000,30)
- }
- }, {
- mfr_id: MANUFACTURER_ATMEL,
- dev_id: AT49BV16X4T,
- name: "Atmel AT49BV16X4T",
- DevSize: SIZE_2MiB,
- NumEraseRegions: 3,
- regions: {ERASEINFO(0x10000,30),
- ERASEINFO(0x08000,2),
- ERASEINFO(0x02000,8)
- }
- }, {
- 0
- }
-};
-
-int cfi_jedec_lookup(int index, int mfr_id, int dev_id)
-{
- if (index>=0){
- if (jedec_table[index].mfr_id == mfr_id &&
- jedec_table[index].dev_id == dev_id) return index;
- }
- else{
- for (index=0; jedec_table[index].mfr_id; index++){
- if (jedec_table[index].mfr_id == mfr_id &&
- jedec_table[index].dev_id == dev_id) return index;
- }
- }
- return -1;
-}
-
-int cfi_jedec_setup(struct cfi_private *p_cfi, int index)
-{
-int i,num_erase_regions;
-
- printk("Found: %s\n",jedec_table[index].name);
-
- num_erase_regions = jedec_table[index].NumEraseRegions;
-
- p_cfi->cfiq = kmalloc(sizeof(struct cfi_ident) + num_erase_regions * 4, GFP_KERNEL);
- if (!p_cfi->cfiq) {
- //xx printk(KERN_WARNING "%s: kmalloc failed for CFI ident structure\n", map->name);
- return -1;
- }
-
- memset(p_cfi->cfiq,0,sizeof(struct cfi_ident));
-
- p_cfi->cfiq->P_ID = P_ID_AMD_STD;
- p_cfi->cfiq->NumEraseRegions = jedec_table[index].NumEraseRegions;
- p_cfi->cfiq->DevSize = jedec_table[index].DevSize;
-
- for (i=0; i<num_erase_regions; i++){
- p_cfi->cfiq->EraseRegionInfo[i] = jedec_table[index].regions[i];
- }
- return 0; /* ok */
-}
-
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