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Diffstat (limited to 'w39v080fa.c')
-rw-r--r--w39v080fa.c52
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);