diff options
Diffstat (limited to '82802ab.c')
| -rw-r--r-- | 82802ab.c | 48 |
1 files changed, 23 insertions, 25 deletions
@@ -52,9 +52,9 @@ int probe_82802ab(struct flashchip *flash) uint8_t id1, id2; #if 0 - *(volatile uint8_t *) (bios + 0x5555) = 0xAA; - *(volatile uint8_t *) (bios + 0x2AAA) = 0x55; - *(volatile uint8_t *) (bios + 0x5555) = 0x90; + *(volatile uint8_t *)(bios + 0x5555) = 0xAA; + *(volatile uint8_t *)(bios + 0x2AAA) = 0x55; + *(volatile uint8_t *)(bios + 0x5555) = 0x90; #endif *bios = 0xff; @@ -62,13 +62,13 @@ int probe_82802ab(struct flashchip *flash) *bios = 0x90; myusec_delay(10); - id1 = *(volatile uint8_t *) bios; - id2 = *(volatile uint8_t *) (bios + 0x01); + id1 = *(volatile uint8_t *)bios; + id2 = *(volatile uint8_t *)(bios + 0x01); #if 1 - *(volatile uint8_t *) (bios + 0x5555) = 0xAA; - *(volatile uint8_t *) (bios + 0x2AAA) = 0x55; - *(volatile uint8_t *) (bios + 0x5555) = 0xF0; + *(volatile uint8_t *)(bios + 0x5555) = 0xAA; + *(volatile uint8_t *)(bios + 0x2AAA) = 0x55; + *(volatile uint8_t *)(bios + 0x5555) = 0xF0; #endif myusec_delay(10); @@ -82,7 +82,7 @@ int probe_82802ab(struct flashchip *flash) fd_mem, (off_t) (0 - 0x400000 - size)); if (bios == MAP_FAILED) { // it's this part but we can't map it ... - perror("Error MMAP memory using " MEM_DEV ); + perror("Error MMAP memory using " MEM_DEV); exit(1); } @@ -101,7 +101,7 @@ uint8_t wait_82802ab(volatile uint8_t *bios) *bios = 0x70; if ((*bios & 0x80) == 0) { // it's busy - while ((*bios & 0x80) == 0); + while ((*bios & 0x80) == 0) ; } status = *bios; @@ -111,21 +111,20 @@ uint8_t wait_82802ab(volatile uint8_t *bios) *bios = 0x90; myusec_delay(10); - id1 = *(volatile uint8_t *) bios; - id2 = *(volatile uint8_t *) (bios + 0x01); + id1 = *(volatile uint8_t *)bios; + id2 = *(volatile uint8_t *)(bios + 0x01); // this is needed to jam it out of "read id" mode - *(volatile uint8_t *) (bios + 0x5555) = 0xAA; - *(volatile uint8_t *) (bios + 0x2AAA) = 0x55; - *(volatile uint8_t *) (bios + 0x5555) = 0xF0; + *(volatile uint8_t *)(bios + 0x5555) = 0xAA; + *(volatile uint8_t *)(bios + 0x2AAA) = 0x55; + *(volatile uint8_t *)(bios + 0x5555) = 0xF0; return status; } int erase_82802ab_block(struct flashchip *flash, int offset) { volatile uint8_t *bios = flash->virt_addr + offset; - volatile uint8_t *wrprotect = - flash->virt_addr_2 + offset + 2; + volatile uint8_t *wrprotect = flash->virt_addr_2 + offset + 2; uint8_t status; // clear status register @@ -138,8 +137,8 @@ int erase_82802ab_block(struct flashchip *flash, int offset) //printf("write protect is 0x%x\n", *(wrprotect)); // now start it - *(volatile uint8_t *) (bios) = 0x20; - *(volatile uint8_t *) (bios) = 0xd0; + *(volatile uint8_t *)(bios) = 0x20; + *(volatile uint8_t *)(bios) = 0xd0; myusec_delay(10); // now let's see what the register is status = wait_82802ab(flash->virt_addr); @@ -160,8 +159,8 @@ int erase_82802ab(struct flashchip *flash) return (0); } -void write_page_82802ab(volatile uint8_t *bios, uint8_t *src, volatile uint8_t *dst, - int page_size) +void write_page_82802ab(volatile uint8_t *bios, uint8_t *src, + volatile uint8_t *dst, int page_size) { int i; @@ -177,8 +176,8 @@ void write_page_82802ab(volatile uint8_t *bios, uint8_t *src, volatile uint8_t * int write_82802ab(struct flashchip *flash, uint8_t *buf) { int i; - int total_size = flash->total_size * 1024, page_size = - flash->page_size; + int total_size = flash->total_size * 1024; + int page_size = flash->page_size; volatile uint8_t *bios = flash->virt_addr; erase_82802ab(flash); @@ -191,8 +190,7 @@ int write_82802ab(struct flashchip *flash, uint8_t *buf) printf("%04d at address: 0x%08x", i, i * page_size); write_page_82802ab(bios, buf + i * page_size, bios + i * page_size, page_size); - 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("\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_82802ab(bios); |
