diff options
Diffstat (limited to 'm29f400bt.c')
| -rw-r--r-- | m29f400bt.c | 122 |
1 files changed, 66 insertions, 56 deletions
diff --git a/m29f400bt.c b/m29f400bt.c index a19c8cd..842e35d 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); } |
