2 * This file is part of the flashrom project.
4 * Copyright (C) 2000 Silicon Integrated System Corporation
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 /* Adapted from the Intel FW hub stuff for 82802ax parts. */
26 // I need that Berkeley bit-map printer
27 void print_sst_fwhub_status(uint8_t status)
29 printf("%s", status & 0x80 ? "Ready:" : "Busy:");
30 printf("%s", status & 0x40 ? "BE SUSPEND:" : "BE RUN/FINISH:");
31 printf("%s", status & 0x20 ? "BE ERROR:" : "BE OK:");
32 printf("%s", status & 0x10 ? "PROG ERR:" : "PROG OK:");
33 printf("%s", status & 0x8 ? "VP ERR:" : "VPP OK:");
34 printf("%s", status & 0x4 ? "PROG SUSPEND:" : "PROG RUN/FINISH:");
35 printf("%s", status & 0x2 ? "WP|TBL#|WP#,ABORT:" : "UNLOCK:");
38 /* probe_jedec works fine for probing */
39 int probe_sst_fwhub(struct flashchip *flash)
41 if (probe_jedec(flash) == 0)
44 map_flash_registers(flash);
49 int erase_sst_fwhub_block(struct flashchip *flash, int offset)
51 volatile uint8_t *wrprotect = flash->virtual_registers + offset + 2;
53 // clear write protect
54 chip_writeb(0, wrprotect);
56 erase_block_jedec(flash->virtual_memory, offset);
57 toggle_ready_jedec(flash->virtual_memory);
62 int erase_sst_fwhub(struct flashchip *flash)
65 unsigned int total_size = flash->total_size * 1024;
66 volatile uint8_t *bios = flash->virtual_memory;
68 for (i = 0; i < total_size; i += flash->page_size)
69 erase_sst_fwhub_block(flash, i);
71 // dumb check if erase was successful.
72 for (i = 0; i < total_size; i++) {
73 if (bios[i] != 0xff) {
74 printf("ERASE FAILED!\n");
82 int write_sst_fwhub(struct flashchip *flash, uint8_t *buf)
85 int total_size = flash->total_size * 1024;
86 int page_size = flash->page_size;
87 volatile uint8_t *bios = flash->virtual_memory;
89 // FIXME: We want block wide erase instead of ironing the whole chip
90 if (erase_sst_fwhub(flash))
93 printf("Programming page: ");
94 for (i = 0; i < total_size / page_size; i++) {
95 printf("%04d at address: 0x%08x", i, i * page_size);
96 write_sector_jedec(bios, buf + i * page_size,
97 bios + i * page_size, page_size);
98 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");