mirror of
https://review.coreboot.org/flashrom.git
synced 2025-08-17 04:14:42 +02:00
Consolidate more jedec standard code
Corresponding to flashrom svn r15 and coreboot v2 svn r1457.
This commit is contained in:
Ollie Lho
122
m29f400bt.c
122
m29f400bt.c
@@ -27,10 +27,10 @@
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#include "flash.h"
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#include "m29f400bt.h"
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int probe_m29f400bt (struct flashchip * flash)
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int probe_m29f400bt(struct flashchip *flash)
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{
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volatile char * bios = flash->virt_addr;
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unsigned char id1, id2;
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volatile char *bios = flash->virt_addr;
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unsigned char id1, id2;
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*(volatile char *) (bios + 0xAAA) = 0xAA;
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*(volatile char *) (bios + 0x555) = 0x55;
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@@ -47,7 +47,7 @@ int probe_m29f400bt (struct flashchip * flash)
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myusec_delay(10);
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printf("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, id1, id2);
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printf("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, id1, id2);
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if (id1 == flash->manufacture_id && id2 == flash->model_id)
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@@ -56,9 +56,9 @@ int probe_m29f400bt (struct flashchip * flash)
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return 0;
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}
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int erase_m29f400bt (struct flashchip * flash)
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int erase_m29f400bt(struct flashchip *flash)
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{
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volatile char * bios = flash->virt_addr;
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volatile char *bios = flash->virt_addr;
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*(volatile char *) (bios + 0xAAA) = 0xAA;
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*(volatile char *) (bios + 0x555) = 0x55;
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@@ -71,10 +71,10 @@ int erase_m29f400bt (struct flashchip * flash)
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myusec_delay(10);
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toggle_ready_m29f400bt(bios);
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return(0);
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return (0);
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}
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int block_erase_m29f400bt (volatile char * bios ,volatile char * dst)
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int block_erase_m29f400bt(volatile char *bios, volatile char *dst)
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{
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*(volatile char *) (bios + 0xAAA) = 0xAA;
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@@ -84,22 +84,23 @@ int block_erase_m29f400bt (volatile char * bios ,volatile char * dst)
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*(volatile char *) (bios + 0xAAA) = 0xAA;
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*(volatile char *) (bios + 0x555) = 0x55;
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//*(volatile char *) (bios + 0xAAA) = 0x10;
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*dst = 0x30;
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*dst = 0x30;
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myusec_delay(10);
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toggle_ready_m29f400bt(bios);
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return(0);
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return (0);
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}
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int write_m29f400bt (struct flashchip * flash, unsigned char * buf)
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int write_m29f400bt(struct flashchip *flash, unsigned char *buf)
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{
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int i;
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int total_size = flash->total_size *1024, page_size = flash->page_size;
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volatile char * bios = flash->virt_addr;
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int total_size = flash->total_size * 1024, page_size =
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flash->page_size;
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volatile char *bios = flash->virt_addr;
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//erase_m29f400bt (flash);
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printf ("Programming Page:\n ");
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printf("Programming Page:\n ");
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/*********************************
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*Pages for M29F400BT:
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* 16 0x7c000 0x7ffff TOP
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@@ -115,42 +116,47 @@ int write_m29f400bt (struct flashchip * flash, unsigned char * buf)
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* 64 0x10000 0x1ffff
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* 64 0x00000 0x0ffff BOTTOM
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*********************************/
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printf("total_size/page_size = %d\n",total_size/page_size);
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for (i = 0; i < (total_size/page_size)-1; i++) {
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printf("total_size/page_size = %d\n", total_size / page_size);
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for (i = 0; i < (total_size / page_size) - 1; i++) {
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printf("%04d at address: 0x%08x\n", i, i * page_size);
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block_erase_m29f400bt(bios, bios + i * page_size);
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write_page_m29f400bt(bios, buf + i * page_size, bios + i * page_size,
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page_size);
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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");
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write_page_m29f400bt(bios, buf + i * page_size,
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bios + i * page_size, page_size);
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printf
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("\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");
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}
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printf("%04d at address: 0x%08x\n",7,0x70000);
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block_erase_m29f400bt(bios , bios + 0x70000);
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write_page_m29f400bt(bios,buf + 0x70000, bios + 0x70000, 32*1024);
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printf("%04d at address: 0x%08x\n",8,0x78000);
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block_erase_m29f400bt(bios , bios + 0x78000);
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write_page_m29f400bt(bios,buf + 0x78000, bios + 0x78000, 8*1024);
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printf("%04d at address: 0x%08x\n",9,0x7a000);
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block_erase_m29f400bt(bios , bios + 0x7a000);
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write_page_m29f400bt(bios,buf + 0x7a000, bios + 0x7a000, 8*1024);
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printf("%04d at address: 0x%08x\n",10,0x7c000);
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block_erase_m29f400bt(bios , bios + 0x7c000);
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write_page_m29f400bt(bios,buf + 0x7c000, bios + 0x7c000, 16*1024);
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printf("%04d at address: 0x%08x\n", 7, 0x70000);
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block_erase_m29f400bt(bios, bios + 0x70000);
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write_page_m29f400bt(bios, buf + 0x70000, bios + 0x70000,
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32 * 1024);
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printf("%04d at address: 0x%08x\n", 8, 0x78000);
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block_erase_m29f400bt(bios, bios + 0x78000);
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write_page_m29f400bt(bios, buf + 0x78000, bios + 0x78000,
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8 * 1024);
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printf("%04d at address: 0x%08x\n", 9, 0x7a000);
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block_erase_m29f400bt(bios, bios + 0x7a000);
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write_page_m29f400bt(bios, buf + 0x7a000, bios + 0x7a000,
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8 * 1024);
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printf("%04d at address: 0x%08x\n", 10, 0x7c000);
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block_erase_m29f400bt(bios, bios + 0x7c000);
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write_page_m29f400bt(bios, buf + 0x7c000, bios + 0x7c000,
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16 * 1024);
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printf("\n");
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//protect_m29f400bt (bios);
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return(0);
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return (0);
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}
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int write_linuxbios_m29f400bt (struct flashchip * flash, unsigned char * buf)
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int write_linuxbios_m29f400bt(struct flashchip *flash, unsigned char *buf)
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{
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volatile char * bios = flash->virt_addr;
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volatile char *bios = flash->virt_addr;
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printf ("Programming Page:\n ");
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printf("Programming Page:\n ");
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/*********************************
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*Pages for M29F400BT:
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* 16 0x7c000 0x7ffff TOP
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@@ -166,24 +172,28 @@ int write_linuxbios_m29f400bt (struct flashchip * flash, unsigned char * buf)
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* 64 0x10000 0x1ffff
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* 64 0x00000 0x0ffff BOTTOM
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*********************************/
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printf("%04d at address: 0x%08x\n",7,0x00000);
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block_erase_m29f400bt(bios , bios + 0x00000);
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write_page_m29f400bt(bios,buf + 0x00000, bios + 0x00000, 64*1024);
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printf("%04d at address: 0x%08x\n",7,0x10000);
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block_erase_m29f400bt(bios , bios + 0x10000);
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write_page_m29f400bt(bios,buf + 0x10000, bios + 0x10000, 64*1024);
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printf("%04d at address: 0x%08x\n",7,0x20000);
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block_erase_m29f400bt(bios , bios + 0x20000);
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write_page_m29f400bt(bios,buf + 0x20000, bios + 0x20000, 64*1024);
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printf("%04d at address: 0x%08x\n",7,0x30000);
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block_erase_m29f400bt(bios , bios + 0x30000);
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write_page_m29f400bt(bios,buf + 0x30000, bios + 0x30000, 64*1024);
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printf("%04d at address: 0x%08x\n", 7, 0x00000);
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block_erase_m29f400bt(bios, bios + 0x00000);
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write_page_m29f400bt(bios, buf + 0x00000, bios + 0x00000,
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64 * 1024);
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printf("%04d at address: 0x%08x\n", 7, 0x10000);
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block_erase_m29f400bt(bios, bios + 0x10000);
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write_page_m29f400bt(bios, buf + 0x10000, bios + 0x10000,
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64 * 1024);
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printf("%04d at address: 0x%08x\n", 7, 0x20000);
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block_erase_m29f400bt(bios, bios + 0x20000);
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write_page_m29f400bt(bios, buf + 0x20000, bios + 0x20000,
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64 * 1024);
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printf("%04d at address: 0x%08x\n", 7, 0x30000);
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block_erase_m29f400bt(bios, bios + 0x30000);
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write_page_m29f400bt(bios, buf + 0x30000, bios + 0x30000,
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64 * 1024);
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printf("\n");
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//protect_m29f400bt (bios);
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return(0);
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return (0);
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}
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