diff options
Diffstat (limited to 'mx29f002.c')
| -rw-r--r-- | mx29f002.c | 48 |
1 files changed, 24 insertions, 24 deletions
@@ -27,14 +27,14 @@ int probe_29f002(struct flashchip *flash) volatile uint8_t *bios = flash->virtual_memory; uint8_t id1, id2; - *(bios + 0x5555) = 0xAA; - *(bios + 0x2AAA) = 0x55; - *(bios + 0x5555) = 0x90; + writeb(0xAA, bios + 0x5555); + writeb(0x55, bios + 0x2AAA); + writeb(0x90, bios + 0x5555); - id1 = *(volatile uint8_t *)bios; - id2 = *(volatile uint8_t *)(bios + 0x01); + id1 = readb(bios); + id2 = readb(bios + 0x01); - *bios = 0xF0; + writeb(0xF0, bios); myusec_delay(10); @@ -49,13 +49,13 @@ int erase_29f002(struct flashchip *flash) { volatile uint8_t *bios = flash->virtual_memory; - *(bios + 0x555) = 0xF0; - *(bios + 0x555) = 0xAA; - *(bios + 0x2AA) = 0x55; - *(bios + 0x555) = 0x80; - *(bios + 0x555) = 0xAA; - *(bios + 0x2AA) = 0x55; - *(bios + 0x555) = 0x10; + writeb(0xF0, bios + 0x555); + writeb(0xAA, bios + 0x555); + writeb(0x55, bios + 0x2AA); + writeb(0x80, bios + 0x555); + writeb(0xAA, bios + 0x555); + writeb(0x55, bios + 0x2AA); + writeb(0x10, bios + 0x555); myusec_delay(100); toggle_ready_jedec(bios); @@ -65,12 +65,12 @@ int erase_29f002(struct flashchip *flash) #if 0 toggle_ready_jedec(bios); - *(bios + 0x0ffff) = 0x30; - *(bios + 0x1ffff) = 0x30; - *(bios + 0x2ffff) = 0x30; - *(bios + 0x37fff) = 0x30; - *(bios + 0x39fff) = 0x30; - *(bios + 0x3bfff) = 0x30; + writeb(0x30, bios + 0x0ffff); + writeb(0x30, bios + 0x1ffff); + writeb(0x30, bios + 0x2ffff); + writeb(0x30, bios + 0x37fff); + writeb(0x30, bios + 0x39fff); + writeb(0x30, bios + 0x3bfff); #endif return 0; @@ -83,7 +83,7 @@ int write_29f002(struct flashchip *flash, uint8_t *buf) volatile uint8_t *bios = flash->virtual_memory; volatile uint8_t *dst = bios; - *bios = 0xF0; + writeb(0xF0, bios); myusec_delay(10); erase_29f002(flash); //*bios = 0xF0; @@ -93,10 +93,10 @@ int write_29f002(struct flashchip *flash, uint8_t *buf) /* write to the sector */ if ((i & 0xfff) == 0) printf("address: 0x%08lx", (unsigned long)i); - *(bios + 0x5555) = 0xAA; - *(bios + 0x2AAA) = 0x55; - *(bios + 0x5555) = 0xA0; - *dst++ = *buf++; + writeb(0xAA, bios + 0x5555); + writeb(0x55, bios + 0x2AAA); + writeb(0xA0, bios + 0x5555); + writeb(*buf++, dst++); /* wait for Toggle bit ready */ toggle_ready_jedec(dst); |
