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-rw-r--r--sharplhf00l04.c58
1 files changed, 29 insertions, 29 deletions
diff --git a/sharplhf00l04.c b/sharplhf00l04.c
index 7db14fe..06a14ef 100644
--- a/sharplhf00l04.c
+++ b/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;
}
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