diff options
| -rw-r--r-- | flash.h | 6 | ||||
| -rw-r--r-- | flashchips.c | 18 | ||||
| -rw-r--r-- | jedec.c | 4 | ||||
| -rw-r--r-- | sst_fwhub.c | 2 |
4 files changed, 24 insertions, 6 deletions
@@ -225,6 +225,7 @@ struct flashchip { #define TEST_OK_WRITE (1 << 3) #define TEST_OK_PR (TEST_OK_PROBE | TEST_OK_READ) #define TEST_OK_PRE (TEST_OK_PROBE | TEST_OK_READ | TEST_OK_ERASE) +#define TEST_OK_PRW (TEST_OK_PROBE | TEST_OK_READ | TEST_OK_WRITE) #define TEST_OK_PREW (TEST_OK_PROBE | TEST_OK_READ | TEST_OK_ERASE | TEST_OK_WRITE) #define TEST_OK_MASK 0x0f @@ -596,8 +597,8 @@ int write_byte_program_jedec(chipaddr bios, uint8_t *src, int probe_jedec(struct flashchip *flash); int erase_chip_jedec(struct flashchip *flash); int write_jedec(struct flashchip *flash, uint8_t *buf); -int erase_sector_jedec(struct flashchip *flash, unsigned int page, int pagesize); -int erase_block_jedec(struct flashchip *flash, unsigned int page, int blocksize); +int erase_sector_jedec(struct flashchip *flash, unsigned int page, unsigned int pagesize); +int erase_block_jedec(struct flashchip *flash, unsigned int page, unsigned int blocksize); int write_sector_jedec(chipaddr bios, uint8_t *src, chipaddr dst, unsigned int page_size); @@ -657,6 +658,7 @@ int write_49lfxxxc(struct flashchip *flash, uint8_t *buf); /* sst_fwhub.c */ int probe_sst_fwhub(struct flashchip *flash); int erase_sst_fwhub(struct flashchip *flash); +int erase_sst_fwhub_block(struct flashchip *flash, unsigned int offset, unsigned int page_size); int write_sst_fwhub(struct flashchip *flash, uint8_t *buf); /* w39v040c.c */ diff --git a/flashchips.c b/flashchips.c index 83f6e96c..1292d3e4 100644 --- a/flashchips.c +++ b/flashchips.c @@ -2141,6 +2141,9 @@ struct flashchip flashchips[] = { }, { + /* Contrary to the data sheet, TBL# on the SST49LF004B affects the top 128kB (instead of 64kB) + * and is only honored for 64k block erase, but not 4k sector erase. + */ .vendor = "SST", .name = "SST49LF004A/B", .bustype = CHIP_BUSTYPE_FWH, /* A/A Mux */ @@ -2151,7 +2154,20 @@ struct flashchip flashchips[] = { .tested = TEST_OK_PREW, .probe = probe_sst_fwhub, .probe_timing = 1, /* 150 ns | routine is wrapper to probe_jedec (sst_fwhub.c) */ - .erase = erase_sst_fwhub, + .erase = NULL, + .block_erasers = + { + { + .eraseblocks = { {4 * 1024, 128} }, + .block_erase = erase_sector_jedec, /* missing unlock */ + }, { + .eraseblocks = { {64 * 1024, 8} }, + .block_erase = erase_sst_fwhub_block, /* same as erase_sector_block, but with unlock */ + }, { + .eraseblocks = { {512 * 1024, 1} }, + .block_erase = NULL, /* AA 55 80 AA 55 10, only in PP mode */ + }, + }, .write = write_sst_fwhub, .read = read_memmapped, }, @@ -175,7 +175,7 @@ int probe_jedec(struct flashchip *flash) return 0; } -int erase_sector_jedec(struct flashchip *flash, unsigned int page, int pagesize) +int erase_sector_jedec(struct flashchip *flash, unsigned int page, unsigned int pagesize) { chipaddr bios = flash->virtual_memory; @@ -204,7 +204,7 @@ int erase_sector_jedec(struct flashchip *flash, unsigned int page, int pagesize) return 0; } -int erase_block_jedec(struct flashchip *flash, unsigned int block, int blocksize) +int erase_block_jedec(struct flashchip *flash, unsigned int block, unsigned int blocksize) { chipaddr bios = flash->virtual_memory; diff --git a/sst_fwhub.c b/sst_fwhub.c index e7ae9e93..ed454077 100644 --- a/sst_fwhub.c +++ b/sst_fwhub.c @@ -94,7 +94,7 @@ int probe_sst_fwhub(struct flashchip *flash) return 1; } -int erase_sst_fwhub_block(struct flashchip *flash, int offset, int page_size) +int erase_sst_fwhub_block(struct flashchip *flash, unsigned int offset, unsigned int page_size) { uint8_t blockstatus = clear_sst_fwhub_block_lock(flash, offset); |