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Diffstat (limited to 'util/flashrom/sst49lfxxxc.c')
-rw-r--r--util/flashrom/sst49lfxxxc.c189
1 files changed, 0 insertions, 189 deletions
diff --git a/util/flashrom/sst49lfxxxc.c b/util/flashrom/sst49lfxxxc.c
deleted file mode 100644
index 54897cc5ad..0000000000
--- a/util/flashrom/sst49lfxxxc.c
+++ /dev/null
@@ -1,189 +0,0 @@
-/*
- * This file is part of the flashrom project.
- *
- * Copyright (C) 2000 Silicon Integrated System Corporation
- * Copyright (C) 2005-2007 coresystems GmbH
- *
- * 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
- */
-
-#include <errno.h>
-#include <fcntl.h>
-#include <sys/mman.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include "flash.h"
-
-#define SECTOR_ERASE 0x30
-#define BLOCK_ERASE 0x20
-#define ERASE 0xD0
-#define AUTO_PGRM 0x10
-#define RESET 0xFF
-#define READ_ID 0x90
-#define READ_STATUS 0x70
-#define CLEAR_STATUS 0x50
-
-#define STATUS_BPS (1 << 1)
-#define STATUS_ESS (1 << 6)
-#define STATUS_WSMS (1 << 7)
-
-static __inline__ int write_lockbits_49lfxxxc(volatile uint8_t *bios, int size,
- unsigned char bits)
-{
- int i, left = size;
- unsigned long address;
-
- //printf("bios=0x%08lx\n", (unsigned long)bios);
- for (i = 0; left > 65536; i++, left -= 65536) {
- //printf("lockbits at address=0x%08lx is 0x%01x\n", (unsigned long)0xFFC00000 - size + (i * 65536) + 2, *(bios + (i * 65536) + 2) );
- chip_writeb(bits, bios + (i * 65536) + 2);
- }
- address = i * 65536;
- //printf("lockbits at address=0x%08lx is 0x%01x\n", (unsigned long)0xFFc00000 - size + address + 2, *(bios + address + 2) );
- chip_writeb(bits, bios + address + 2);
- address += 32768;
- //printf("lockbits at address=0x%08lx is 0x%01x\n", (unsigned long)0xFFc00000 - size + address + 2, *(bios + address + 2) );
- chip_writeb(bits, bios + address + 2);
- address += 8192;
- //printf("lockbits at address=0x%08lx is 0x%01x\n", (unsigned long)0xFFc00000 - size + address + 2, *(bios + address + 2) );
- chip_writeb(bits, bios + address + 2);
- address += 8192;
- //printf("lockbits at address=0x%08lx is 0x%01x\n", (unsigned long)0xFFc00000 - size + address + 2, *(bios + address + 2) );
- chip_writeb(bits, bios + address + 2);
-
- return 0;
-}
-
-static __inline__ int erase_sector_49lfxxxc(volatile uint8_t *bios,
- unsigned long address)
-{
- unsigned char status;
-
- chip_writeb(SECTOR_ERASE, bios);
- chip_writeb(ERASE, bios + address);
-
- do {
- status = chip_readb(bios);
- if (status & (STATUS_ESS | STATUS_BPS)) {
- printf("sector erase FAILED at address=0x%08lx status=0x%01x\n", (unsigned long)bios + address, status);
- chip_writeb(CLEAR_STATUS, bios);
- return (-1);
- }
- } while (!(status & STATUS_WSMS));
-
- return 0;
-}
-
-static __inline__ int write_sector_49lfxxxc(volatile uint8_t *bios,
- uint8_t *src,
- volatile uint8_t *dst,
- unsigned int page_size)
-{
- int i;
- unsigned char status;
-
- chip_writeb(CLEAR_STATUS, bios);
- for (i = 0; i < page_size; i++) {
- /* transfer data from source to destination */
- if (*src == 0xFF) {
- dst++, src++;
- /* If the data is 0xFF, don't program it */
- continue;
- }
- /*issue AUTO PROGRAM command */
- chip_writeb(AUTO_PGRM, bios);
- chip_writeb(*src++, dst++);
-
- do {
- status = chip_readb(bios);
- if (status & (STATUS_ESS | STATUS_BPS)) {
- printf("sector write FAILED at address=0x%08lx status=0x%01x\n", (unsigned long)dst, status);
- chip_writeb(CLEAR_STATUS, bios);
- return (-1);
- }
- } while (!(status & STATUS_WSMS));
- }
-
- return 0;
-}
-
-int probe_49lfxxxc(struct flashchip *flash)
-{
- volatile uint8_t *bios = flash->virtual_memory;
-
- uint8_t id1, id2;
-
- chip_writeb(RESET, bios);
-
- chip_writeb(READ_ID, bios);
- id1 = chip_readb(bios);
- id2 = chip_readb(bios + 0x01);
-
- chip_writeb(RESET, bios);
-
- 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;
-}
-
-int erase_49lfxxxc(struct flashchip *flash)
-{
- volatile uint8_t *bios = flash->virtual_memory;
- volatile uint8_t *registers = flash->virtual_registers;
- int i;
- unsigned int total_size = flash->total_size * 1024;
-
- write_lockbits_49lfxxxc(registers, total_size, 0);
- for (i = 0; i < total_size; i += flash->page_size)
- if (erase_sector_49lfxxxc(bios, i) != 0)
- return (-1);
-
- chip_writeb(RESET, bios);
-
- return 0;
-}
-
-int write_49lfxxxc(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;
-
- write_lockbits_49lfxxxc(flash->virtual_registers, total_size, 0);
- printf("Programming page: ");
- for (i = 0; i < total_size / page_size; i++) {
- /* erase the page before programming */
- erase_sector_49lfxxxc(bios, i * page_size);
-
- /* write to the sector */
- printf("%04d at address: 0x%08x", i, i * page_size);
- write_sector_49lfxxxc(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("\n");
-
- chip_writeb(RESET, bios);
-
- return 0;
-}
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