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-rw-r--r--m29f400bt.c122
1 files changed, 66 insertions, 56 deletions
diff --git a/m29f400bt.c b/m29f400bt.c
index a19c8cd6..842e35d7 100644
--- a/m29f400bt.c
+++ b/m29f400bt.c
@@ -27,10 +27,10 @@
#include "flash.h"
#include "m29f400bt.h"
-int probe_m29f400bt (struct flashchip * flash)
+int probe_m29f400bt(struct flashchip *flash)
{
- volatile char * bios = flash->virt_addr;
- unsigned char id1, id2;
+ volatile char *bios = flash->virt_addr;
+ unsigned char id1, id2;
*(volatile char *) (bios + 0xAAA) = 0xAA;
*(volatile char *) (bios + 0x555) = 0x55;
@@ -47,7 +47,7 @@ int probe_m29f400bt (struct flashchip * flash)
myusec_delay(10);
- printf("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, id1, id2);
+ printf("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, id1, id2);
if (id1 == flash->manufacture_id && id2 == flash->model_id)
@@ -56,9 +56,9 @@ int probe_m29f400bt (struct flashchip * flash)
return 0;
}
-int erase_m29f400bt (struct flashchip * flash)
+int erase_m29f400bt(struct flashchip *flash)
{
- volatile char * bios = flash->virt_addr;
+ volatile char *bios = flash->virt_addr;
*(volatile char *) (bios + 0xAAA) = 0xAA;
*(volatile char *) (bios + 0x555) = 0x55;
@@ -71,10 +71,10 @@ int erase_m29f400bt (struct flashchip * flash)
myusec_delay(10);
toggle_ready_m29f400bt(bios);
- return(0);
+ return (0);
}
-int block_erase_m29f400bt (volatile char * bios ,volatile char * dst)
+int block_erase_m29f400bt(volatile char *bios, volatile char *dst)
{
*(volatile char *) (bios + 0xAAA) = 0xAA;
@@ -84,22 +84,23 @@ int block_erase_m29f400bt (volatile char * bios ,volatile char * dst)
*(volatile char *) (bios + 0xAAA) = 0xAA;
*(volatile char *) (bios + 0x555) = 0x55;
//*(volatile char *) (bios + 0xAAA) = 0x10;
- *dst = 0x30;
+ *dst = 0x30;
myusec_delay(10);
toggle_ready_m29f400bt(bios);
- return(0);
+ return (0);
}
-int write_m29f400bt (struct flashchip * flash, unsigned char * buf)
+int write_m29f400bt(struct flashchip *flash, unsigned char *buf)
{
int i;
- int total_size = flash->total_size *1024, page_size = flash->page_size;
- volatile char * bios = flash->virt_addr;
+ int total_size = flash->total_size * 1024, page_size =
+ flash->page_size;
+ volatile char *bios = flash->virt_addr;
//erase_m29f400bt (flash);
- printf ("Programming Page:\n ");
+ printf("Programming Page:\n ");
/*********************************
*Pages for M29F400BT:
* 16 0x7c000 0x7ffff TOP
@@ -115,42 +116,47 @@ int write_m29f400bt (struct flashchip * flash, unsigned char * buf)
* 64 0x10000 0x1ffff
* 64 0x00000 0x0ffff BOTTOM
*********************************/
- printf("total_size/page_size = %d\n",total_size/page_size);
- for (i = 0; i < (total_size/page_size)-1; i++) {
+ printf("total_size/page_size = %d\n", total_size / page_size);
+ for (i = 0; i < (total_size / page_size) - 1; i++) {
printf("%04d at address: 0x%08x\n", i, i * page_size);
block_erase_m29f400bt(bios, bios + i * page_size);
- write_page_m29f400bt(bios, buf + i * page_size, bios + i * page_size,
- page_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\b\b\b");
+ write_page_m29f400bt(bios, buf + i * page_size,
+ bios + i * page_size, page_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\b\b\b");
}
- printf("%04d at address: 0x%08x\n",7,0x70000);
- block_erase_m29f400bt(bios , bios + 0x70000);
- write_page_m29f400bt(bios,buf + 0x70000, bios + 0x70000, 32*1024);
-
- printf("%04d at address: 0x%08x\n",8,0x78000);
- block_erase_m29f400bt(bios , bios + 0x78000);
- write_page_m29f400bt(bios,buf + 0x78000, bios + 0x78000, 8*1024);
-
- printf("%04d at address: 0x%08x\n",9,0x7a000);
- block_erase_m29f400bt(bios , bios + 0x7a000);
- write_page_m29f400bt(bios,buf + 0x7a000, bios + 0x7a000, 8*1024);
-
- printf("%04d at address: 0x%08x\n",10,0x7c000);
- block_erase_m29f400bt(bios , bios + 0x7c000);
- write_page_m29f400bt(bios,buf + 0x7c000, bios + 0x7c000, 16*1024);
-
+ printf("%04d at address: 0x%08x\n", 7, 0x70000);
+ block_erase_m29f400bt(bios, bios + 0x70000);
+ write_page_m29f400bt(bios, buf + 0x70000, bios + 0x70000,
+ 32 * 1024);
+
+ printf("%04d at address: 0x%08x\n", 8, 0x78000);
+ block_erase_m29f400bt(bios, bios + 0x78000);
+ write_page_m29f400bt(bios, buf + 0x78000, bios + 0x78000,
+ 8 * 1024);
+
+ printf("%04d at address: 0x%08x\n", 9, 0x7a000);
+ block_erase_m29f400bt(bios, bios + 0x7a000);
+ write_page_m29f400bt(bios, buf + 0x7a000, bios + 0x7a000,
+ 8 * 1024);
+
+ printf("%04d at address: 0x%08x\n", 10, 0x7c000);
+ block_erase_m29f400bt(bios, bios + 0x7c000);
+ write_page_m29f400bt(bios, buf + 0x7c000, bios + 0x7c000,
+ 16 * 1024);
+
printf("\n");
//protect_m29f400bt (bios);
- return(0);
+ return (0);
}
-int write_linuxbios_m29f400bt (struct flashchip * flash, unsigned char * buf)
+int write_linuxbios_m29f400bt(struct flashchip *flash, unsigned char *buf)
{
- volatile char * bios = flash->virt_addr;
+ volatile char *bios = flash->virt_addr;
- printf ("Programming Page:\n ");
+ printf("Programming Page:\n ");
/*********************************
*Pages for M29F400BT:
* 16 0x7c000 0x7ffff TOP
@@ -166,24 +172,28 @@ int write_linuxbios_m29f400bt (struct flashchip * flash, unsigned char * buf)
* 64 0x10000 0x1ffff
* 64 0x00000 0x0ffff BOTTOM
*********************************/
- printf("%04d at address: 0x%08x\n",7,0x00000);
- block_erase_m29f400bt(bios , bios + 0x00000);
- write_page_m29f400bt(bios,buf + 0x00000, bios + 0x00000, 64*1024);
-
- printf("%04d at address: 0x%08x\n",7,0x10000);
- block_erase_m29f400bt(bios , bios + 0x10000);
- write_page_m29f400bt(bios,buf + 0x10000, bios + 0x10000, 64*1024);
-
- printf("%04d at address: 0x%08x\n",7,0x20000);
- block_erase_m29f400bt(bios , bios + 0x20000);
- write_page_m29f400bt(bios,buf + 0x20000, bios + 0x20000, 64*1024);
-
- printf("%04d at address: 0x%08x\n",7,0x30000);
- block_erase_m29f400bt(bios , bios + 0x30000);
- write_page_m29f400bt(bios,buf + 0x30000, bios + 0x30000, 64*1024);
-
+ printf("%04d at address: 0x%08x\n", 7, 0x00000);
+ block_erase_m29f400bt(bios, bios + 0x00000);
+ write_page_m29f400bt(bios, buf + 0x00000, bios + 0x00000,
+ 64 * 1024);
+
+ printf("%04d at address: 0x%08x\n", 7, 0x10000);
+ block_erase_m29f400bt(bios, bios + 0x10000);
+ write_page_m29f400bt(bios, buf + 0x10000, bios + 0x10000,
+ 64 * 1024);
+
+ printf("%04d at address: 0x%08x\n", 7, 0x20000);
+ block_erase_m29f400bt(bios, bios + 0x20000);
+ write_page_m29f400bt(bios, buf + 0x20000, bios + 0x20000,
+ 64 * 1024);
+
+ printf("%04d at address: 0x%08x\n", 7, 0x30000);
+ block_erase_m29f400bt(bios, bios + 0x30000);
+ write_page_m29f400bt(bios, buf + 0x30000, bios + 0x30000,
+ 64 * 1024);
+
printf("\n");
//protect_m29f400bt (bios);
- return(0);
+ return (0);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-04 21:43:25 +0000