/*
- * adapted from the Intel FW hub stuff for 82802ax parts.
+ * This file is part of the flashrom project.
*
+ * Copyright (C) 2000 Silicon Integrated System Corporation
*
- * 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 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.
+ * 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>
+/* Adapted from the Intel FW hub stuff for 82802ax parts. */
+#include <stdio.h>
#include "flash.h"
-#include "jedec.h"
-#include "sst_fwhub.h"
// I need that Berkeley bit-map printer
void print_sst_fwhub_status(uint8_t status)
/* probe_jedec works fine for probing */
int probe_sst_fwhub(struct flashchip *flash)
{
- volatile uint8_t *bios;
- size_t size = flash->total_size * 1024;
-
if (probe_jedec(flash) == 0)
return 0;
- bios = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
- fd_mem, (off_t) (0xFFFFFFFF - 0x400000 - size + 1));
- if (bios == MAP_FAILED) {
- // it's this part but we can't map it ...
- perror("Error MMAP /dev/mem");
- exit(1);
- }
+ map_flash_registers(flash);
- flash->virt_addr_2 = bios;
return 1;
}
int erase_sst_fwhub_block(struct flashchip *flash, int offset)
{
- volatile uint8_t *wrprotect = flash->virt_addr_2 + offset + 2;
+ volatile uint8_t *wrprotect = flash->virtual_registers + offset + 2;
// clear write protect
- *(wrprotect) = 0;
+ chip_writeb(0, wrprotect);
- erase_block_jedec(flash->virt_addr, offset);
- toggle_ready_jedec(flash->virt_addr);
+ erase_block_jedec(flash->virtual_memory, offset);
+ toggle_ready_jedec(flash->virtual_memory);
- return (0);
+ return 0;
}
int erase_sst_fwhub(struct flashchip *flash)
{
int i;
unsigned int total_size = flash->total_size * 1024;
+ volatile uint8_t *bios = flash->virtual_memory;
for (i = 0; i < total_size; i += flash->page_size)
erase_sst_fwhub_block(flash, i);
- return (0);
+
+ // dumb check if erase was successful.
+ for (i = 0; i < total_size; i++) {
+ if (bios[i] != 0xff) {
+ printf("ERASE FAILED!\n");
+ return -1;
+ }
+ }
+
+ return 0;
}
int write_sst_fwhub(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->virt_addr;
+ volatile uint8_t *bios = flash->virtual_memory;
// FIXME: We want block wide erase instead of ironing the whole chip
- erase_sst_fwhub(flash);
+ if (erase_sst_fwhub(flash))
+ return -1;
- // dumb check if erase was successful.
- for (i = 0; i < total_size; i++) {
- if (bios[i] != 0xff) {
- printf("ERASE FAILED\n");
- return -1;
- }
- }
-
- printf("Programming Page: ");
+ printf("Programming page: ");
for (i = 0; i < total_size / page_size; i++) {
printf("%04d at address: 0x%08x", i, i * page_size);
write_sector_jedec(bios, buf + i * 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");
- return (0);
+
+ return 0;
}