diff options
Diffstat (limited to 'mx29f002.c')
| -rw-r--r-- | mx29f002.c | 20 |
1 files changed, 11 insertions, 9 deletions
@@ -26,27 +26,29 @@ */ #include <stdio.h> +#include <stdint.h> #include "flash.h" #include "jedec.h" #include "mx29f002.h" +#include "debug.h" int probe_29f002(struct flashchip *flash) { - volatile char *bios = flash->virt_addr; - unsigned char id1, id2; + volatile uint8_t *bios = flash->virt_addr; + uint8_t id1, id2; *(bios + 0x5555) = 0xAA; *(bios + 0x2AAA) = 0x55; *(bios + 0x5555) = 0x90; - id1 = *(volatile unsigned char *) bios; - id2 = *(volatile unsigned char *) (bios + 0x01); + id1 = *(volatile uint8_t *) bios; + id2 = *(volatile uint8_t *) (bios + 0x01); *bios = 0xF0; myusec_delay(10); - printf("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, id1, id2); + printf_debug("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, id1, id2); if (id1 == flash->manufacture_id && id2 == flash->model_id) return 1; @@ -55,7 +57,7 @@ int probe_29f002(struct flashchip *flash) int erase_29f002(struct flashchip *flash) { - volatile char *bios = flash->virt_addr; + volatile uint8_t *bios = flash->virt_addr; *(bios + 0x555) = 0xF0; *(bios + 0x555) = 0xAA; @@ -84,12 +86,12 @@ int erase_29f002(struct flashchip *flash) return (0); } -int write_29f002(struct flashchip *flash, unsigned char *buf) +int write_29f002(struct flashchip *flash, uint8_t *buf) { int i; int total_size = flash->total_size * 1024; - volatile char *bios = flash->virt_addr; - volatile char *dst = bios; + volatile uint8_t *bios = flash->virt_addr; + volatile uint8_t *dst = bios; *bios = 0xF0; myusec_delay(10); |
