diff options
Diffstat (limited to 'am29f040b.c')
| -rw-r--r-- | am29f040b.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/am29f040b.c b/am29f040b.c index 2dc4c36..7f1269c 100644 --- a/am29f040b.c +++ b/am29f040b.c @@ -20,8 +20,11 @@ #include "flash.h" -static int erase_sector_29f040b(chipaddr bios, unsigned long address) +static int erase_sector_29f040b(struct flashchip *flash, unsigned long address) { + int page_size = flash->page_size; + chipaddr bios = flash->virtual_memory; + chip_writeb(0xAA, bios + 0x555); chip_writeb(0x55, bios + 0x2AA); chip_writeb(0x80, bios + 0x555); @@ -34,6 +37,10 @@ static int erase_sector_29f040b(chipaddr bios, unsigned long address) /* wait for Toggle bit ready */ toggle_ready_jedec(bios + address); + if (check_erased_range(flash, address, page_size)) { + fprintf(stderr, "ERASE FAILED!\n"); + return -1; + } return 0; } @@ -86,6 +93,7 @@ int probe_29f040b(struct flashchip *flash) int erase_29f040b(struct flashchip *flash) { + int total_size = flash->total_size * 1024; chipaddr bios = flash->virtual_memory; chip_writeb(0xAA, bios + 0x555); @@ -98,6 +106,10 @@ int erase_29f040b(struct flashchip *flash) programmer_delay(10); toggle_ready_jedec(bios); + if (check_erased_range(flash, 0, total_size)) { + fprintf(stderr, "ERASE FAILED!\n"); + return -1; + } return 0; } @@ -111,7 +123,10 @@ int write_29f040b(struct flashchip *flash, uint8_t *buf) printf("Programming page "); for (i = 0; i < total_size / page_size; i++) { /* erase the page before programming */ - erase_sector_29f040b(bios, i * page_size); + if (erase_sector_29f040b(flash, i * page_size)) { + fprintf(stderr, "ERASE FAILED!\n"); + return -1; + } /* write to the sector */ printf("%04d at address: ", i); |
