diff options
Diffstat (limited to 'util/flashrom/sharplhf00l04.c')
-rw-r--r-- | util/flashrom/sharplhf00l04.c | 58 |
1 files changed, 29 insertions, 29 deletions
diff --git a/util/flashrom/sharplhf00l04.c b/util/flashrom/sharplhf00l04.c index 7db14fe4f4..06a14ef964 100644 --- a/util/flashrom/sharplhf00l04.c +++ b/util/flashrom/sharplhf00l04.c @@ -41,23 +41,23 @@ int probe_lhf00l04(struct flashchip *flash) #if 0 /* Enter ID mode */ - *(volatile uint8_t *)(bios + 0x5555) = 0xAA; - *(volatile uint8_t *)(bios + 0x2AAA) = 0x55; - *(volatile uint8_t *)(bios + 0x5555) = 0x90; + writeb(0xAA, bios + 0x5555); + writeb(0x55, bios + 0x2AAA); + writeb(0x90, bios + 0x5555); #endif - *bios = 0xff; + writeb(0xff, bios); myusec_delay(10); - *bios = 0x90; + writeb(0x90, bios); myusec_delay(10); - id1 = *(volatile uint8_t *)bios; - id2 = *(volatile uint8_t *)(bios + 0x01); + id1 = readb(bios); + id2 = readb(bios + 0x01); /* Leave ID mode */ - *(volatile uint8_t *)(bios + 0x5555) = 0xAA; - *(volatile uint8_t *)(bios + 0x2AAA) = 0x55; - *(volatile uint8_t *)(bios + 0x5555) = 0xF0; + writeb(0xAA, bios + 0x5555); + writeb(0x55, bios + 0x2AAA); + writeb(0xF0, bios + 0x5555); myusec_delay(10); @@ -76,25 +76,25 @@ uint8_t wait_lhf00l04(volatile uint8_t *bios) uint8_t status; uint8_t id1, id2; - *bios = 0x70; - if ((*bios & 0x80) == 0) { // it's busy - while ((*bios & 0x80) == 0) ; + writeb(0x70, bios); + if ((readb(bios) & 0x80) == 0) { // it's busy + while ((readb(bios) & 0x80) == 0) ; } - status = *bios; + status = readb(bios); // put another command to get out of status register mode - *bios = 0x90; + writeb(0x90, bios); myusec_delay(10); - id1 = *(volatile uint8_t *)bios; - id2 = *(volatile uint8_t *)(bios + 0x01); + id1 = readb(bios); + id2 = readb(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; + writeb(0xAA, bios + 0x5555); + writeb(0x55, bios + 0x2AAA); + writeb(0xF0, bios + 0x5555); return status; } @@ -106,19 +106,19 @@ int erase_lhf00l04_block(struct flashchip *flash, int offset) uint8_t status; // clear status register - *bios = 0x50; + writeb(0x50, bios); printf("Erase at %p\n", bios); status = wait_lhf00l04(flash->virtual_memory); print_lhf00l04_status(status); // clear write protect printf("write protect is at %p\n", (wrprotect)); - printf("write protect is 0x%x\n", *(wrprotect)); - *(wrprotect) = 0; - printf("write protect is 0x%x\n", *(wrprotect)); + printf("write protect is 0x%x\n", readb(wrprotect)); + writeb(0, wrprotect); + printf("write protect is 0x%x\n", readb(wrprotect)); // now start it - *(volatile uint8_t *)(bios) = 0x20; - *(volatile uint8_t *)(bios) = 0xd0; + writeb(0x20, bios); + writeb(0xd0, bios); myusec_delay(10); // now let's see what the register is status = wait_lhf00l04(flash->virtual_memory); @@ -149,8 +149,8 @@ void write_page_lhf00l04(volatile uint8_t *bios, uint8_t *src, for (i = 0; i < page_size; i++) { /* transfer data from source to destination */ - *dst = 0x40; - *dst++ = *src++; + writeb(0x40, dst); + writeb(*src++, dst++); wait_lhf00l04(bios); } } @@ -163,7 +163,7 @@ int write_lhf00l04(struct flashchip *flash, uint8_t *buf) volatile uint8_t *bios = flash->virtual_memory; erase_lhf00l04(flash); - if (*bios != 0xff) { + if (readb(bios) != 0xff) { printf("ERASE FAILED!\n"); return -1; } |