summaryrefslogtreecommitdiff
path: root/util/flashrom/msys_doc.c
diff options
context:
space:
mode:
Diffstat (limited to 'util/flashrom/msys_doc.c')
-rw-r--r--util/flashrom/msys_doc.c250
1 files changed, 0 insertions, 250 deletions
diff --git a/util/flashrom/msys_doc.c b/util/flashrom/msys_doc.c
deleted file mode 100644
index 1d80f46718..0000000000
--- a/util/flashrom/msys_doc.c
+++ /dev/null
@@ -1,250 +0,0 @@
-/*
- * This file is part of the flashrom project.
- *
- * Copyright (C) 2003 Niki W. Waibel <niki.waibel@gmx.net>
- *
- * 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 <stdio.h>
-#include <unistd.h>
-#include "flash.h"
-#include "msys_doc.h"
-
-static int doc_wait(volatile uint8_t *bios, int timeout);
-static uint8_t doc_read_chipid(volatile uint8_t *bios);
-static uint8_t doc_read_docstatus(volatile uint8_t *bios);
-static uint8_t doc_read_cdsncontrol(volatile uint8_t *bios);
-static void doc_write_cdsncontrol(volatile uint8_t *bios, uint8_t data);
-
-int probe_md2802(struct flashchip *flash)
-{
- volatile uint8_t *bios = flash->virtual_memory;
- uint8_t chipid;
-#ifndef MSYSTEMS_DOC_NO_55AA_CHECKING
- uint8_t id_0x55, id_0xAA;
-#endif /* !MSYSTEMS_DOC_NO_55AA_CHECKING */
- int i, toggle_a, toggle_b;
-
- printf_debug("%s:\n", __FUNCTION__);
- printf_debug("%s: *******************************\n", __FUNCTION__);
- printf_debug("%s: * THIS IS A PRE ALPHA VERSION *\n", __FUNCTION__);
- printf_debug("%s: * IN THE DEVELOPEMENT *********\n", __FUNCTION__);
- printf_debug("%s: * PROCESS RIGHT NOW. **********\n", __FUNCTION__);
- printf_debug("%s: *******************************\n", __FUNCTION__);
- printf_debug("%s: * IF YOU ARE NOT A DEVELOPER **\n", __FUNCTION__);
- printf_debug("%s: * THEN DO NOT TRY TO READ OR **\n", __FUNCTION__);
- printf_debug("%s: * WRITE TO THIS DEVICE ********\n", __FUNCTION__);
- printf_debug("%s: *******************************\n", __FUNCTION__);
- printf_debug("%s:\n", __FUNCTION__);
-
- printf_debug("%s: switching off reset mode ...\n", __FUNCTION__);
- doc_write(0x85, bios, DOCControl);
- doc_write(0x85, bios, DOCControl);
- doc_read_4nop(bios);
- if (doc_wait(bios, 5000))
- return (-1);
- printf("%s: switching off reset mode ... done\n", __FUNCTION__);
- printf("%s:\n", __FUNCTION__);
-
- printf("%s: switching off write protection ...\n", __FUNCTION__);
- doc_write_cdsncontrol(bios, doc_read_cdsncontrol(bios) & (~0x08));
- printf("%s: switching off write protection ... done\n", __FUNCTION__);
- printf("%s:\n", __FUNCTION__);
-
- chipid = doc_read_chipid(bios);
-#ifndef MSYSTEMS_DOC_NO_55AA_CHECKING
- id_0x55 = doc_read(bios, IPL_0x0000);
- id_0xAA = doc_read(bios, IPL_0x0001);
-#endif /* !MSYSTEMS_DOC_NO_55AA_CHECKING */
- printf("%s: IPL_0x0000: 0x%02x\n", __FUNCTION__, id_0x55);
- printf("%s: IPL_0x0001: 0x%02x\n", __FUNCTION__, id_0xAA);
- printf("%s: IPL_0x0002: 0x%02x\n", __FUNCTION__,
- doc_read(bios, IPL_0x0002));
- printf("%s: IPL_0x0003: 0x%02x\n", __FUNCTION__,
- doc_read(bios, IPL_0x0003));
- printf("%s:\n", __FUNCTION__);
- printf("%s: ChipID: 0x%02x\n", __FUNCTION__, chipid);
- printf("%s: DOCStatus: 0x%02x\n", __FUNCTION__,
- doc_read_docstatus(bios));
- printf("%s: FloorSelect: 0x%02x\n", __FUNCTION__,
- doc_read(bios, FloorSelect));
- printf("%s: CDSNControl: 0x%02x\n", __FUNCTION__,
- doc_read_cdsncontrol(bios));
- printf("%s: CDSNDeviceSelect: 0x%02x\n", __FUNCTION__,
- doc_read(bios, CDSNDeviceSelect));
- printf("%s: ECCConfiguration: 0x%02x\n", __FUNCTION__,
- doc_read(bios, ECCConfiguration));
- printf("%s: CDSNSlowIO: 0x%02x\n", __FUNCTION__,
- doc_read(bios, CDSNSlowIO));
- printf("%s: ECCSyndrome0: 0x%02x\n", __FUNCTION__,
- doc_read(bios, ECCSyndrome0));
- printf("%s: ECCSyndrome1: 0x%02x\n", __FUNCTION__,
- doc_read(bios, ECCSyndrome1));
- printf("%s: ECCSyndrome2: 0x%02x\n", __FUNCTION__,
- doc_read(bios, ECCSyndrome2));
- printf("%s: ECCSyndrome3: 0x%02x\n", __FUNCTION__,
- doc_read(bios, ECCSyndrome3));
- printf("%s: ECCSyndrome4: 0x%02x\n", __FUNCTION__,
- doc_read(bios, ECCSyndrome4));
- printf("%s: ECCSyndrome5: 0x%02x\n", __FUNCTION__,
- doc_read(bios, ECCSyndrome5));
- printf("%s: AliasResolution: 0x%02x\n", __FUNCTION__,
- doc_read(bios, AliasResolution));
- printf("%s: ConfigurationInput: 0x%02x\n", __FUNCTION__,
- doc_read(bios, ConfigurationInput));
- printf("%s: ReadPipelineInitialization: 0x%02x\n", __FUNCTION__,
- doc_read(bios, ReadPipelineInitialization));
- printf("%s: LastDataRead: 0x%02x\n", __FUNCTION__,
- doc_read(bios, LastDataRead));
- printf("%s:\n", __FUNCTION__);
-
- printf("%s: checking ECCConfiguration toggle bit\n", __FUNCTION__);
- printf("%s:", __FUNCTION__);
- toggle_a = toggle_b = 0;
- for (i = 0; i < 10; i++) {
- uint8_t toggle = doc_toggle(bios);
-
- printf(" 0x%02x", toggle);
-
- if (i % 2)
- toggle_a += toggle;
- else
- toggle_b += toggle;
- } /* for(i=0; i<10; i++) */
- printf("\n%s: toggle result: %d/%d\n", __FUNCTION__, toggle_a,
- toggle_b);
-
- if (chipid == flash->model_id && ((toggle_a == 5 && toggle_b == 0)
- || (toggle_a == 0 && toggle_b == 5))
-#ifndef MSYSTEMS_DOC_NO_55AA_CHECKING
- && id_0x55 == 0x55 && id_0xAA == 0xaa
-#endif /* !MSYSTEMS_DOC_NO_55AA_CHECKING */
- ) {
- return 1;
- }
-
- return 0;
-}
-
-int read_md2802(struct flashchip *flash, uint8_t *buf)
-{
- return 0;
-}
-
-int erase_md2802(struct flashchip *flash)
-{
- volatile uint8_t *bios = flash->virtual_memory;
-
- return 1;
-
- *(volatile uint8_t *)(bios + 0x5555) = 0xAA;
- *(volatile uint8_t *)(bios + 0x2AAA) = 0x55;
- *(volatile uint8_t *)(bios + 0x5555) = 0x80;
-
- *(volatile uint8_t *)(bios + 0x5555) = 0xAA;
- *(volatile uint8_t *)(bios + 0x2AAA) = 0x55;
- *(volatile uint8_t *)(bios + 0x5555) = 0x10;
-}
-
-int write_md2802(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;
-
- return (1);
- erase_md2802(flash);
- if (*bios != (uint8_t) 0xff) {
- printf("ERASE FAILED!\n");
- return -1;
- }
- printf("Programming page: ");
- for (i = 0; i < total_size / page_size; i++) {
- printf("%04d at address: 0x%08x", i, i * page_size);
- //write_page_md2802(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");
- //protect_md2802(bios);
-
- return 0;
-} /* int write_md2802(struct flashchip *flash, uint8_t *buf) */
-
-/*
- wait timeout msec for doc to become ready
- return:
- 0: ready
- -1: timeout expired
-*/
-
-static int doc_wait(volatile uint8_t *bios, int timeout)
-{
- int i = 20;
-
- doc_read_4nop(bios);
-
- while (_doc_busy(bios) && (i != 0)) {
- usleep(timeout * 1000 / 20);
- i--;
- }
-
- doc_read_2nop(bios);
-
- if (_doc_busy(bios)) {
- doc_read_2nop(bios);
- return (-1);
- }
-
- return 0;
-}
-
-static uint8_t doc_read_docstatus(volatile uint8_t *bios)
-{
- doc_read(bios, CDSNSlowIO);
- doc_read_2nop(bios);
-
- return (doc_read(bios, _DOCStatus));
-}
-
-static uint8_t doc_read_chipid(volatile uint8_t *bios)
-{
- doc_read(bios, CDSNSlowIO);
- doc_read_2nop(bios);
-
- return (doc_read(bios, _ChipID));
-}
-
-static uint8_t doc_read_cdsncontrol(volatile uint8_t *bios)
-{
- uint8_t value;
-
- /* the delays might be necessary when reading the busy bit,
- but because a read to this reg reads the busy bit
- anyway we better do this delays... */
- doc_read_4nop(bios);
- value = doc_read(bios, _CDSNControl);
- doc_read_2nop(bios);
-
- return value;
-}
-
-static void doc_write_cdsncontrol(volatile uint8_t *bios, uint8_t data)
-{
- doc_write(data, bios, _CDSNControl);
- doc_read_4nop(bios);
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-20 10:13:49 +0000