diff options
Diffstat (limited to 'm29f002.c')
| -rw-r--r-- | m29f002.c | 46 |
1 files changed, 30 insertions, 16 deletions
@@ -31,12 +31,19 @@ int erase_m29f002(struct flashchip *flash) chip_writeb(0x10, bios + 0x555); programmer_delay(10); toggle_ready_jedec(bios); + if (check_erased_range(flash, 0, flash->total_size * 1024)) { + fprintf(stderr, "ERASE FAILED!\n"); + return -1; + } return 0; } -static void rewrite_block(chipaddr bios, uint8_t *src, - chipaddr dst, int size) +static int rewrite_block(struct flashchip *flash, uint8_t *src, + unsigned long start, int size) { + chipaddr bios = flash->virtual_memory; + chipaddr dst = bios + start; + /* erase */ chip_writeb(0xaa, bios + 0x555); chip_writeb(0x55, bios + 0xaaa); @@ -46,6 +53,10 @@ static void rewrite_block(chipaddr bios, uint8_t *src, chip_writeb(0x30, dst); programmer_delay(10); toggle_ready_jedec(bios); + if (check_erased_range(flash, start, size)) { + fprintf(stderr, "ERASE FAILED!\n"); + return -1; + } /* program */ while (size--) { @@ -57,20 +68,24 @@ static void rewrite_block(chipaddr bios, uint8_t *src, dst++; src++; } + return 0; } -static void do_block(chipaddr bios, uint8_t *src, int i, +static int do_block(struct flashchip *flash, uint8_t *src, int i, unsigned long start, int size) { + int ret; printf("%d at address: 0x%08lx", i, start); - rewrite_block(bios, src + start, bios + start, size); + ret = rewrite_block(flash, src + start, start, size); + if (ret) + return ret; printf("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"); + return 0; } int write_m29f002t(struct flashchip *flash, uint8_t *buf) { int i, page_size = flash->page_size; - chipaddr bios = flash->virtual_memory; /* M29F002(N)T has 7 blocks. From bottom to top their sizes are: * 64k 64k 64k 32k 8k 8k 16k @@ -79,11 +94,11 @@ int write_m29f002t(struct flashchip *flash, uint8_t *buf) printf("Programming block: "); for (i = 0; i < 3; i++) - do_block(bios, buf, i, i * page_size, page_size); - do_block(bios, buf, i++, 0x30000, 32 * 1024); - do_block(bios, buf, i++, 0x38000, 8 * 1024); - do_block(bios, buf, i++, 0x3a000, 8 * 1024); - do_block(bios, buf, i, 0x3c000, 16 * 1024); + do_block(flash, buf, i, i * page_size, page_size); + do_block(flash, buf, i++, 0x30000, 32 * 1024); + do_block(flash, buf, i++, 0x38000, 8 * 1024); + do_block(flash, buf, i++, 0x3a000, 8 * 1024); + do_block(flash, buf, i, 0x3c000, 16 * 1024); printf("\n"); return 0; @@ -92,7 +107,6 @@ int write_m29f002t(struct flashchip *flash, uint8_t *buf) int write_m29f002b(struct flashchip *flash, uint8_t *buf) { int i = 0, page_size = flash->page_size; - chipaddr bios = flash->virtual_memory; /* M29F002B has 7 blocks. From bottom to top their sizes are: * 16k 8k 8k 32k 64k 64k 64k @@ -100,12 +114,12 @@ int write_m29f002b(struct flashchip *flash, uint8_t *buf) */ printf("Programming block: "); - do_block(bios, buf, i++, 0x00000, 16 * 1024); - do_block(bios, buf, i++, 0x04000, 8 * 1024); - do_block(bios, buf, i++, 0x06000, 8 * 1024); - do_block(bios, buf, i++, 0x08000, 32 * 1024); + do_block(flash, buf, i++, 0x00000, 16 * 1024); + do_block(flash, buf, i++, 0x04000, 8 * 1024); + do_block(flash, buf, i++, 0x06000, 8 * 1024); + do_block(flash, buf, i++, 0x08000, 32 * 1024); for (; i < 7; i++) - do_block(bios, buf, i, (i - 3) * page_size, page_size); + do_block(flash, buf, i, (i - 3) * page_size, page_size); printf("\n"); return 0; |
