diff options
Diffstat (limited to 'drivers/mtd/chips/jedec_probe.c')
| -rw-r--r-- | drivers/mtd/chips/jedec_probe.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/mtd/chips/jedec_probe.c b/drivers/mtd/chips/jedec_probe.c index 7c0b27d132b1..6f7e7e1b3fe5 100644 --- a/drivers/mtd/chips/jedec_probe.c +++ b/drivers/mtd/chips/jedec_probe.c @@ -53,6 +53,8 @@ #define AT49BV32XT 0x00C9 /* Eon */ +#define EN29LV400AT 0x22B9 +#define EN29LV400AB 0x22BA #define EN29SL800BB 0x226B #define EN29SL800BT 0x22EA @@ -643,6 +645,36 @@ static const struct amd_flash_info jedec_table[] = { } }, { .mfr_id = CFI_MFR_EON, + .dev_id = EN29LV400AT, + .name = "Eon EN29LV400AT", + .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8, + .uaddr = MTD_UADDR_0x0AAA_0x0555, + .dev_size = SIZE_512KiB, + .cmd_set = P_ID_AMD_STD, + .nr_regions = 4, + .regions = { + ERASEINFO(0x10000,7), + ERASEINFO(0x08000,1), + ERASEINFO(0x02000,2), + ERASEINFO(0x04000,1), + } + }, { + .mfr_id = CFI_MFR_EON, + .dev_id = EN29LV400AB, + .name = "Eon EN29LV400AB", + .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8, + .uaddr = MTD_UADDR_0x0AAA_0x0555, + .dev_size = SIZE_512KiB, + .cmd_set = P_ID_AMD_STD, + .nr_regions = 4, + .regions = { + ERASEINFO(0x04000,1), + ERASEINFO(0x02000,2), + ERASEINFO(0x08000,1), + ERASEINFO(0x10000,7), + } + }, { + .mfr_id = CFI_MFR_EON, .dev_id = EN29SL800BT, .name = "Eon EN29SL800BT", .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8, @@ -1889,6 +1921,8 @@ static inline u32 jedec_read_mfr(struct map_info *map, uint32_t base, do { uint32_t ofs = cfi_build_cmd_addr(0 + (bank << 8), map, cfi); mask = (1 << (cfi->device_type * 8)) - 1; + if (ofs >= map->size) + return 0; result = map_read(map, base + ofs); bank++; } while ((result.x[0] & mask) == CFI_MFR_CONTINUATION); |