diff options
Diffstat (limited to 'util/flash_and_burn/m29f400bt.c')
| -rw-r--r-- | util/flash_and_burn/m29f400bt.c | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/util/flash_and_burn/m29f400bt.c b/util/flash_and_burn/m29f400bt.c deleted file mode 100644 index 842e35d7d8..0000000000 --- a/util/flash_and_burn/m29f400bt.c +++ /dev/null @@ -1,199 +0,0 @@ -/* - * m29f400bt.c: driver for programming JEDEC standard flash parts - * - * - * Copyright 2000 Silicon Integrated System Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - * - * Reference: - * - * $Id$ - */ - -#include "flash.h" -#include "m29f400bt.h" - -int probe_m29f400bt(struct flashchip *flash) -{ - volatile char *bios = flash->virt_addr; - unsigned char id1, id2; - - *(volatile char *) (bios + 0xAAA) = 0xAA; - *(volatile char *) (bios + 0x555) = 0x55; - *(volatile char *) (bios + 0xAAA) = 0x90; - - myusec_delay(10); - - id1 = *(volatile unsigned char *) bios; - id2 = *(volatile unsigned char *) (bios + 0x02); - - *(volatile char *) (bios + 0xAAA) = 0xAA; - *(volatile char *) (bios + 0x555) = 0x55; - *(volatile char *) (bios + 0xAAA) = 0xF0; - - myusec_delay(10); - - printf("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, id1, id2); - - - if (id1 == flash->manufacture_id && id2 == flash->model_id) - return 1; - - return 0; -} - -int erase_m29f400bt(struct flashchip *flash) -{ - volatile char *bios = flash->virt_addr; - - *(volatile char *) (bios + 0xAAA) = 0xAA; - *(volatile char *) (bios + 0x555) = 0x55; - *(volatile char *) (bios + 0xAAA) = 0x80; - - *(volatile char *) (bios + 0xAAA) = 0xAA; - *(volatile char *) (bios + 0x555) = 0x55; - *(volatile char *) (bios + 0xAAA) = 0x10; - - myusec_delay(10); - toggle_ready_m29f400bt(bios); - - return (0); -} - -int block_erase_m29f400bt(volatile char *bios, volatile char *dst) -{ - - *(volatile char *) (bios + 0xAAA) = 0xAA; - *(volatile char *) (bios + 0x555) = 0x55; - *(volatile char *) (bios + 0xAAA) = 0x80; - - *(volatile char *) (bios + 0xAAA) = 0xAA; - *(volatile char *) (bios + 0x555) = 0x55; - //*(volatile char *) (bios + 0xAAA) = 0x10; - *dst = 0x30; - - myusec_delay(10); - toggle_ready_m29f400bt(bios); - - return (0); -} - -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; - - //erase_m29f400bt (flash); - printf("Programming Page:\n "); - /********************************* - *Pages for M29F400BT: - * 16 0x7c000 0x7ffff TOP - * 8 0x7a000 0x7bfff - * 8 0x78000 0x79fff - * 32 0x70000 0x77fff - * 64 0x60000 0x6ffff - * 64 0x50000 0x5ffff - * 64 0x40000 0x4ffff - *--------------------------------- - * 64 0x30000 0x3ffff - * 64 0x20000 0x2ffff - * 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("%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"); - } - - 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); -} - -int write_linuxbios_m29f400bt(struct flashchip *flash, unsigned char *buf) -{ - volatile char *bios = flash->virt_addr; - - printf("Programming Page:\n "); - /********************************* - *Pages for M29F400BT: - * 16 0x7c000 0x7ffff TOP - * 8 0x7a000 0x7bfff - * 8 0x78000 0x79fff - * 32 0x70000 0x77fff - * 64 0x60000 0x6ffff - * 64 0x50000 0x5ffff - * 64 0x40000 0x4ffff - *--------------------------------- - * 64 0x30000 0x3ffff - * 64 0x20000 0x2ffff - * 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("\n"); - //protect_m29f400bt (bios); - - return (0); -} |