summaryrefslogtreecommitdiffstats
path: root/m29f002.c
diff options
context:
space:
mode:
Diffstat (limited to 'm29f002.c')
-rw-r--r--m29f002.c39
1 files changed, 23 insertions, 16 deletions
diff --git a/m29f002.c b/m29f002.c
index a0fdf55..040cd2a 100644
--- a/m29f002.c
+++ b/m29f002.c
@@ -1,5 +1,5 @@
/*
- * This file is part of flashrom.
+ * This file is part of the flashrom project.
*
* Copyright (C) 2009 Peter Stuge <peter@stuge.se>
*
@@ -20,7 +20,8 @@
#include "flash.h"
-int erase_m29f002(struct flashchip *flash) {
+int erase_m29f002(struct flashchip *flash)
+{
volatile uint8_t *bios = flash->virtual_memory;
chip_writeb(0xaa, bios + 0x555);
chip_writeb(0x55, bios + 0xaaa);
@@ -33,7 +34,9 @@ int erase_m29f002(struct flashchip *flash) {
return 0;
}
-static void rewrite_block(volatile uint8_t *bios, uint8_t *src, volatile uint8_t *dst, int size) {
+static void rewrite_block(volatile uint8_t *bios, uint8_t *src,
+ volatile uint8_t *dst, int size)
+{
/* erase */
chip_writeb(0xaa, bios + 0x555);
chip_writeb(0x55, bios + 0xaaa);
@@ -56,13 +59,16 @@ static void rewrite_block(volatile uint8_t *bios, uint8_t *src, volatile uint8_t
}
}
-static void do_block(volatile uint8_t *bios, uint8_t *src, int i, unsigned long start, int size) {
+static void do_block(volatile uint8_t *bios, uint8_t *src, int i,
+ unsigned long start, int size)
+{
printf("%d at address: 0x%08lx", i, start);
rewrite_block(bios, src + start, bios + start, size);
printf("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
}
-int write_m29f002t(struct flashchip *flash, uint8_t *buf) {
+int write_m29f002t(struct flashchip *flash, uint8_t *buf)
+{
int i, page_size = flash->page_size;
volatile uint8_t *bios = flash->virtual_memory;
@@ -73,17 +79,18 @@ int write_m29f002t(struct flashchip *flash, uint8_t *buf) {
printf("Programming block: ");
for (i = 0; i < 3; i++)
- do_block(bios, buf, i, i*page_size, page_size);
- do_block(bios, buf, i++, 0x30000, 32*1024);
- do_block(bios, buf, i++, 0x38000, 8*1024);
- do_block(bios, buf, i++, 0x3a000, 8*1024);
- do_block(bios, buf, i, 0x3c000, 16*1024);
+ do_block(bios, buf, i, i * page_size, page_size);
+ do_block(bios, buf, i++, 0x30000, 32 * 1024);
+ do_block(bios, buf, i++, 0x38000, 8 * 1024);
+ do_block(bios, buf, i++, 0x3a000, 8 * 1024);
+ do_block(bios, buf, i, 0x3c000, 16 * 1024);
printf("\n");
return 0;
}
-int write_m29f002b(struct flashchip *flash, uint8_t *buf) {
+int write_m29f002b(struct flashchip *flash, uint8_t *buf)
+{
int i = 0, page_size = flash->page_size;
volatile uint8_t *bios = flash->virtual_memory;
@@ -93,12 +100,12 @@ int write_m29f002b(struct flashchip *flash, uint8_t *buf) {
*/
printf("Programming block: ");
- do_block(bios, buf, i++, 0x00000, 16*1024);
- do_block(bios, buf, i++, 0x04000, 8*1024);
- do_block(bios, buf, i++, 0x06000, 8*1024);
- do_block(bios, buf, i++, 0x08000, 32*1024);
+ do_block(bios, buf, i++, 0x00000, 16 * 1024);
+ do_block(bios, buf, i++, 0x04000, 8 * 1024);
+ do_block(bios, buf, i++, 0x06000, 8 * 1024);
+ do_block(bios, buf, i++, 0x08000, 32 * 1024);
for (; i < 7; i++)
- do_block(bios, buf, i, (i-3)*page_size, page_size);
+ do_block(bios, buf, i, (i - 3) * page_size, page_size);
printf("\n");
return 0;
OpenPOWER on IntegriCloud