diff options
Diffstat (limited to 'sst28sf040.c')
| -rw-r--r-- | sst28sf040.c | 50 |
1 files changed, 25 insertions, 25 deletions
diff --git a/sst28sf040.c b/sst28sf040.c index 89be9d8..ee8ee80 100644 --- a/sst28sf040.c +++ b/sst28sf040.c @@ -35,13 +35,13 @@ static __inline__ void protect_28sf040(volatile uint8_t *bios) /* ask compiler not to optimize this */ volatile uint8_t tmp; - tmp = *(volatile uint8_t *)(bios + 0x1823); - tmp = *(volatile uint8_t *)(bios + 0x1820); - tmp = *(volatile uint8_t *)(bios + 0x1822); - tmp = *(volatile uint8_t *)(bios + 0x0418); - tmp = *(volatile uint8_t *)(bios + 0x041B); - tmp = *(volatile uint8_t *)(bios + 0x0419); - tmp = *(volatile uint8_t *)(bios + 0x040A); + tmp = readb(bios + 0x1823); + tmp = readb(bios + 0x1820); + tmp = readb(bios + 0x1822); + tmp = readb(bios + 0x0418); + tmp = readb(bios + 0x041B); + tmp = readb(bios + 0x0419); + tmp = readb(bios + 0x040A); } static __inline__ void unprotect_28sf040(volatile uint8_t *bios) @@ -49,20 +49,20 @@ static __inline__ void unprotect_28sf040(volatile uint8_t *bios) /* ask compiler not to optimize this */ volatile uint8_t tmp; - tmp = *(volatile uint8_t *)(bios + 0x1823); - tmp = *(volatile uint8_t *)(bios + 0x1820); - tmp = *(volatile uint8_t *)(bios + 0x1822); - tmp = *(volatile uint8_t *)(bios + 0x0418); - tmp = *(volatile uint8_t *)(bios + 0x041B); - tmp = *(volatile uint8_t *)(bios + 0x0419); - tmp = *(volatile uint8_t *)(bios + 0x041A); + tmp = readb(bios + 0x1823); + tmp = readb(bios + 0x1820); + tmp = readb(bios + 0x1822); + tmp = readb(bios + 0x0418); + tmp = readb(bios + 0x041B); + tmp = readb(bios + 0x0419); + tmp = readb(bios + 0x041A); } static __inline__ int erase_sector_28sf040(volatile uint8_t *bios, unsigned long address) { - *bios = AUTO_PG_ERASE1; - *(bios + address) = AUTO_PG_ERASE2; + writeb(AUTO_PG_ERASE1, bios); + writeb(AUTO_PG_ERASE2, bios + address); /* wait for Toggle bit ready */ toggle_ready_jedec(bios); @@ -85,8 +85,8 @@ static __inline__ int write_sector_28sf040(volatile uint8_t *bios, continue; } /*issue AUTO PROGRAM command */ - *dst = AUTO_PGRM; - *dst++ = *src++; + writeb(AUTO_PGRM, dst); + writeb(*src++, dst++); /* wait for Toggle bit ready */ toggle_ready_jedec(bios); @@ -100,16 +100,16 @@ int probe_28sf040(struct flashchip *flash) volatile uint8_t *bios = flash->virtual_memory; uint8_t id1, id2; - *bios = RESET; + writeb(RESET, bios); myusec_delay(10); - *bios = READ_ID; + writeb(READ_ID, bios); myusec_delay(10); - id1 = *(volatile uint8_t *)bios; + id1 = readb(bios); myusec_delay(10); - id2 = *(volatile uint8_t *)(bios + 0x01); + id2 = readb(bios + 0x01); - *bios = RESET; + writeb(RESET, bios); myusec_delay(10); printf_debug("%s: id1 0x%02x, id2 0x%02x\n", __FUNCTION__, id1, id2); @@ -124,8 +124,8 @@ int erase_28sf040(struct flashchip *flash) volatile uint8_t *bios = flash->virtual_memory; unprotect_28sf040(bios); - *bios = CHIP_ERASE; - *bios = CHIP_ERASE; + writeb(CHIP_ERASE, bios); + writeb(CHIP_ERASE, bios); protect_28sf040(bios); myusec_delay(10); |
