diff options
Diffstat (limited to 'jedec.c')
| -rw-r--r-- | jedec.c | 26 |
1 files changed, 3 insertions, 23 deletions
@@ -64,25 +64,11 @@ void data_polling_jedec(chipaddr dst, uint8_t data) } } -void unprotect_jedec(chipaddr bios) -{ - chip_writeb(0xAA, bios + 0x5555); - chip_writeb(0x55, bios + 0x2AAA); - chip_writeb(0x80, bios + 0x5555); - chip_writeb(0xAA, bios + 0x5555); - chip_writeb(0x55, bios + 0x2AAA); - chip_writeb(0x20, bios + 0x5555); - - programmer_delay(200); -} - -void protect_jedec(chipaddr bios) +void start_program_jedec(chipaddr bios) { chip_writeb(0xAA, bios + 0x5555); chip_writeb(0x55, bios + 0x2AAA); chip_writeb(0xA0, bios + 0x5555); - - programmer_delay(200); } int probe_jedec(struct flashchip *flash) @@ -270,9 +256,7 @@ int write_page_write_jedec(struct flashchip *flash, uint8_t *src, retry: /* Issue JEDEC Data Unprotect comand */ - chip_writeb(0xAA, bios + 0x5555); - chip_writeb(0x55, bios + 0x2AAA); - chip_writeb(0xA0, bios + 0x5555); + start_program_jedec(bios); /* transfer data from source to destination */ for (i = 0; i < page_size; i++) { @@ -312,9 +296,7 @@ int write_byte_program_jedec(chipaddr bios, uint8_t *src, retry: /* Issue JEDEC Byte Program command */ - chip_writeb(0xAA, bios + 0x5555); - chip_writeb(0x55, bios + 0x2AAA); - chip_writeb(0xA0, bios + 0x5555); + start_program_jedec(bios); /* transfer data from source to destination */ chip_writeb(*src, dst); @@ -353,7 +335,6 @@ int write_jedec(struct flashchip *flash, uint8_t *buf) int i, failed = 0; int total_size = flash->total_size * 1024; int page_size = flash->page_size; - chipaddr bios = flash->virtual_memory; if (erase_chip_jedec(flash)) { fprintf(stderr,"ERASE FAILED!\n"); @@ -369,7 +350,6 @@ int write_jedec(struct flashchip *flash, uint8_t *buf) 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\b\b\b"); } printf("\n"); - protect_jedec(bios); return failed; } |
