diff options
author | Stefan Reinauer <stepan@openbios.org> | 2005-11-24 10:45:34 +0000 |
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committer | Stefan Reinauer <stepan@openbios.org> | 2005-11-24 10:45:34 +0000 |
commit | 7d5c7a7f1794cf846f2b62813c81f0f2a0ac5b54 (patch) | |
tree | 3ea89e5f20c249f3c0c8f31408577d3141214d3a /util/flash_and_burn/am29f040b.c | |
parent | e0e137844adc8366de58514b10ed962da46ce77b (diff) | |
download | coreboot-7d5c7a7f1794cf846f2b62813c81f0f2a0ac5b54.tar.xz |
rename the directory to match the program name
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2102 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'util/flash_and_burn/am29f040b.c')
-rw-r--r-- | util/flash_and_burn/am29f040b.c | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/util/flash_and_burn/am29f040b.c b/util/flash_and_burn/am29f040b.c deleted file mode 100644 index 3ebfe8653f..0000000000 --- a/util/flash_and_burn/am29f040b.c +++ /dev/null @@ -1,135 +0,0 @@ -/* - * am29f040.c: driver for programming AMD am29f040b models - * - * - * 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: - * AMD Am29F040B data sheet - * $Id$ - */ - -#include <stdio.h> -#include "flash.h" -#include "jedec.h" - -static __inline__ int erase_sector_29f040b(volatile char *bios, - unsigned long address) -{ - *(bios + 0x555) = 0xAA; - *(bios + 0x2AA) = 0x55; - *(bios + 0x555) = 0x80; - *(bios + 0x555) = 0xAA; - *(bios + 0x2AA) = 0x55; - *(bios + address) = 0x30; - - sleep(2); - - /* wait for Toggle bit ready */ - toggle_ready_jedec(bios + address); - - return (0); -} - -static __inline__ int write_sector_29f040b(volatile char *bios, - unsigned char *src, - volatile unsigned char *dst, - unsigned int page_size) -{ - int i; - - for (i = 0; i < page_size; i++) { - printf("0x%08lx", - (unsigned long) dst - (unsigned long) bios); - - *(bios + 0x555) = 0xAA; - *(bios + 0x2AA) = 0x55; - *(bios + 0x555) = 0xA0; - *dst++ = *src++; - - /* wait for Toggle bit ready */ - toggle_ready_jedec(bios); - - printf("\b\b\b\b\b\b\b\b\b\b"); - } - - return (0); -} - -int probe_29f040b(struct flashchip *flash) -{ - volatile unsigned char *bios = flash->virt_addr; - unsigned char id1, id2; - - *(bios + 0x555) = 0xAA; - *(bios + 0x2AA) = 0x55; - *(bios + 0x555) = 0x90; - - id1 = *bios; - id2 = *(bios + 0x01); - - *bios = 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_29f040b(struct flashchip *flash) -{ - volatile unsigned char *bios = flash->virt_addr; - - *(bios + 0x555) = 0xAA; - *(bios + 0x2AA) = 0x55; - *(bios + 0x555) = 0x80; - *(bios + 0x555) = 0xAA; - *(bios + 0x2AA) = 0x55; - *(bios + 0x555) = 0x10; - - myusec_delay(10); - toggle_ready_jedec(bios); - - return (0); -} - -int write_29f040b(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; - - printf("Programming Page: "); - for (i = 0; i < total_size / page_size; i++) { - /* erase the page before programming */ - erase_sector_29f040b(bios, i * page_size); - - /* write to the sector */ - printf("%04d at address: ", i); - write_sector_29f040b(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"); - } - printf("\n"); - - return (0); -} |