diff options
Diffstat (limited to 'w39v080fa.c')
| -rw-r--r-- | w39v080fa.c | 52 |
1 files changed, 26 insertions, 26 deletions
diff --git a/w39v080fa.c b/w39v080fa.c index 66534ce9..6278fbc4 100644 --- a/w39v080fa.c +++ b/w39v080fa.c @@ -27,19 +27,19 @@ int probe_winbond_fwhub(struct flashchip *flash) uint8_t vid, did; /* Product Identification Entry */ - *(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); myusec_delay(10); /* Read product ID */ - vid = *(volatile uint8_t *)bios; - did = *(volatile uint8_t *)(bios + 0x01); + vid = readb(bios); + did = readb(bios + 0x01); /* Product Identifixation Exit */ - *(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); printf_debug("%s: vid 0x%x, did 0x%x\n", __FUNCTION__, vid, did); @@ -58,16 +58,16 @@ static int unlock_block_winbond_fwhub(struct flashchip *flash, int offset) uint8_t locking; printf_debug("Trying to unlock block @0x%08x = 0x%02x\n", offset, - *wrprotect); + readb(wrprotect)); - locking = *wrprotect; + locking = readb(wrprotect); switch (locking & 0x7) { case 0: printf_debug("Full Access.\n"); return 0; case 1: printf_debug("Write Lock (Default State).\n"); - *wrprotect = 0; + writeb(0, wrprotect); return 0; case 2: printf_debug("Locked Open (Full Access, Lock Down).\n"); @@ -77,11 +77,11 @@ static int unlock_block_winbond_fwhub(struct flashchip *flash, int offset) return -1; case 4: printf_debug("Read Lock.\n"); - *wrprotect = 0; + writeb(0, wrprotect); return 0; case 5: printf_debug("Read/Write Lock.\n"); - *wrprotect = 0; + writeb(0, wrprotect); return 0; case 6: fprintf(stderr, "Error: Read Lock, Locked Down.\n"); @@ -106,18 +106,18 @@ int unlock_winbond_fwhub(struct flashchip *flash) */ /* Product Identification Entry */ - *(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); myusec_delay(10); /* Read Hardware Lock Bits */ - locking = *(volatile uint8_t *)(bios + 0xffff2); + locking = readb(bios + 0xffff2); /* Product Identification Exit */ - *(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); printf_debug("Lockout bits:\n"); @@ -151,13 +151,13 @@ static int erase_sector_winbond_fwhub(volatile uint8_t *bios, printf("0x%08x\b\b\b\b\b\b\b\b\b\b", sector); /* Sector Erase */ - *(volatile uint8_t *)(bios + 0x5555) = 0xAA; - *(volatile uint8_t *)(bios + 0x2AAA) = 0x55; - *(volatile uint8_t *)(bios + 0x5555) = 0x80; + writeb(0xAA, bios + 0x5555); + writeb(0x55, bios + 0x2AAA); + writeb(0x80, bios + 0x5555); - *(volatile uint8_t *)(bios + 0x5555) = 0xAA; - *(volatile uint8_t *)(bios + 0x2AAA) = 0x55; - *(volatile uint8_t *)(bios + sector) = 0x30; + writeb(0xAA, bios + 0x5555); + writeb(0x55, bios + 0x2AAA); + writeb(0x30, bios + sector); /* wait for Toggle bit ready */ toggle_ready_jedec(bios); |