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-rw-r--r--util/flashrom/82802ab.c206
1 files changed, 0 insertions, 206 deletions
diff --git a/util/flashrom/82802ab.c b/util/flashrom/82802ab.c
deleted file mode 100644
index 0d071d4101..0000000000
--- a/util/flashrom/82802ab.c
+++ /dev/null
@@ -1,206 +0,0 @@
-/*
- * This file is part of the flashrom project.
- *
- * Copyright (C) 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-/*
- * Datasheet:
- * - Name: Intel 82802AB/82802AC Firmware Hub (FWH)
- * - URL: http://www.intel.com/design/chipsets/datashts/290658.htm
- * - PDF: http://download.intel.com/design/chipsets/datashts/29065804.pdf
- * - Order number: 290658-004
- */
-
-#include <stdio.h>
-#include <string.h>
-#include <stdint.h>
-#include "flash.h"
-
-// I need that Berkeley bit-map printer
-void print_82802ab_status(uint8_t status)
-{
- printf("%s", status & 0x80 ? "Ready:" : "Busy:");
- printf("%s", status & 0x40 ? "BE SUSPEND:" : "BE RUN/FINISH:");
- printf("%s", status & 0x20 ? "BE ERROR:" : "BE OK:");
- printf("%s", status & 0x10 ? "PROG ERR:" : "PROG OK:");
- printf("%s", status & 0x8 ? "VP ERR:" : "VPP OK:");
- printf("%s", status & 0x4 ? "PROG SUSPEND:" : "PROG RUN/FINISH:");
- printf("%s", status & 0x2 ? "WP|TBL#|WP#,ABORT:" : "UNLOCK:");
-}
-
-int probe_82802ab(struct flashchip *flash)
-{
- volatile uint8_t *bios = flash->virtual_memory;
- uint8_t id1, id2;
-
-#if 0
- chip_writeb(0xAA, bios + 0x5555);
- chip_writeb(0x55, bios + 0x2AAA);
- chip_writeb(0x90, bios + 0x5555);
-#endif
-
- chip_writeb(0xff, bios);
- myusec_delay(10);
- chip_writeb(0x90, bios);
- myusec_delay(10);
-
- id1 = chip_readb(bios);
- id2 = chip_readb(bios + 0x01);
-
- /* Leave ID mode */
- chip_writeb(0xAA, bios + 0x5555);
- chip_writeb(0x55, bios + 0x2AAA);
- chip_writeb(0xF0, bios + 0x5555);
-
- myusec_delay(10);
-
- printf_debug("%s: id1 0x%02x, id2 0x%02x\n", __FUNCTION__, id1, id2);
-
- if (id1 != flash->manufacture_id || id2 != flash->model_id)
- return 0;
-
- map_flash_registers(flash);
-
- return 1;
-}
-
-uint8_t wait_82802ab(volatile uint8_t *bios)
-{
- uint8_t status;
- uint8_t id1, id2;
-
- chip_writeb(0x70, bios);
- if ((chip_readb(bios) & 0x80) == 0) { // it's busy
- while ((chip_readb(bios) & 0x80) == 0) ;
- }
-
- status = chip_readb(bios);
-
- // put another command to get out of status register mode
-
- chip_writeb(0x90, bios);
- myusec_delay(10);
-
- id1 = chip_readb(bios);
- id2 = chip_readb(bios + 0x01);
-
- // this is needed to jam it out of "read id" mode
- chip_writeb(0xAA, bios + 0x5555);
- chip_writeb(0x55, bios + 0x2AAA);
- chip_writeb(0xF0, bios + 0x5555);
-
- return status;
-}
-
-int erase_82802ab_block(struct flashchip *flash, int offset)
-{
- volatile uint8_t *bios = flash->virtual_memory + offset;
- volatile uint8_t *wrprotect = flash->virtual_registers + offset + 2;
- int j;
- uint8_t status;
-
- // clear status register
- chip_writeb(0x50, bios);
- //printf("Erase at %p\n", bios);
- // clear write protect
- //printf("write protect is at %p\n", (wrprotect));
- //printf("write protect is 0x%x\n", *(wrprotect));
- chip_writeb(0, wrprotect);
- //printf("write protect is 0x%x\n", *(wrprotect));
-
- // now start it
- chip_writeb(0x20, bios);
- chip_writeb(0xd0, bios);
- myusec_delay(10);
- // now let's see what the register is
- status = wait_82802ab(flash->virtual_memory);
- //print_82802ab_status(status);
- for (j = 0; j < flash->page_size; j++) {
- if (chip_readb(bios + j) != 0xFF) {
- printf("BLOCK ERASE failed at 0x%x\n", offset);
- return -1;
- }
- }
- printf("DONE BLOCK 0x%x\n", offset);
-
- return 0;
-}
-
-int erase_82802ab(struct flashchip *flash)
-{
- int i;
- unsigned int total_size = flash->total_size * 1024;
-
- printf("total_size is %d; flash->page_size is %d\n",
- total_size, flash->page_size);
- for (i = 0; i < total_size; i += flash->page_size)
- erase_82802ab_block(flash, i);
- printf("DONE ERASE\n");
-
- return 0;
-}
-
-void write_page_82802ab(volatile uint8_t *bios, uint8_t *src,
- volatile uint8_t *dst, int page_size)
-{
- int i;
-
- for (i = 0; i < page_size; i++) {
- /* transfer data from source to destination */
- chip_writeb(0x40, dst);
- chip_writeb(*src++, dst++);
- wait_82802ab(bios);
- }
-}
-
-int write_82802ab(struct flashchip *flash, uint8_t *buf)
-{
- int i;
- int total_size = flash->total_size * 1024;
- int page_size = flash->page_size;
- volatile uint8_t *bios = flash->virtual_memory;
-
- printf("Programming page: \n");
- for (i = 0; i < total_size / page_size; i++) {
- 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", i, i * page_size);
-
- /* Auto Skip Blocks, which already contain the desired data
- * Faster, because we only write, what has changed
- * More secure, because blocks, which are excluded
- * (with the exclude or layout feature)
- * or not erased and rewritten; their data is retained also in
- * sudden power off situations
- */
- if (!memcmp((void *)(buf + i * page_size),
- (void *)(bios + i * page_size), page_size)) {
- printf("SKIPPED\n");
- continue;
- }
-
- /* erase block by block and write block by block; this is the most secure way */
- erase_82802ab_block(flash, i * page_size);
- write_page_82802ab(bios, buf + i * page_size,
- bios + i * page_size, page_size);
- }
- printf("\n");
- protect_jedec(bios);
-
- return 0;
-}