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Diffstat (limited to 'util/flashrom/wbsio_spi.c')
-rw-r--r--util/flashrom/wbsio_spi.c207
1 files changed, 0 insertions, 207 deletions
diff --git a/util/flashrom/wbsio_spi.c b/util/flashrom/wbsio_spi.c
deleted file mode 100644
index a3e96fd184..0000000000
--- a/util/flashrom/wbsio_spi.c
+++ /dev/null
@@ -1,207 +0,0 @@
-/*
- * This file is part of the flashrom project.
- *
- * Copyright (C) 2008 Peter Stuge <peter@stuge.se>
- *
- * 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; version 2 of the License.
- *
- * 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 <pci/pci.h>
-#include <stdint.h>
-#include <string.h>
-#include "flash.h"
-#include "spi.h"
-
-#define WBSIO_PORT1 0x2e
-#define WBSIO_PORT2 0x4e
-
-static uint16_t wbsio_spibase = 0;
-
-static uint16_t wbsio_get_spibase(uint16_t port)
-{
- uint8_t id;
- uint16_t flashport = 0;
-
- w836xx_ext_enter(port);
- id = wbsio_read(port, 0x20);
- if (id != 0xa0) {
- fprintf(stderr, "\nW83627 not found at 0x%x, id=0x%02x want=0xa0.\n", port, id);
- goto done;
- }
-
- if (0 == (wbsio_read(port, 0x24) & 2)) {
- fprintf(stderr, "\nW83627 found at 0x%x, but SPI pins are not enabled. (CR[0x24] bit 1=0)\n", port);
- goto done;
- }
-
- wbsio_write(port, 0x07, 0x06);
- if (0 == (wbsio_read(port, 0x30) & 1)) {
- fprintf(stderr, "\nW83627 found at 0x%x, but SPI is not enabled. (LDN6[0x30] bit 0=0)\n", port);
- goto done;
- }
-
- flashport = (wbsio_read(port, 0x62) << 8) | wbsio_read(port, 0x63);
-
-done:
- w836xx_ext_leave(port);
- return flashport;
-}
-
-int wbsio_check_for_spi(const char *name)
-{
- if (0 == (wbsio_spibase = wbsio_get_spibase(WBSIO_PORT1)))
- if (0 == (wbsio_spibase = wbsio_get_spibase(WBSIO_PORT2)))
- return 1;
-
- printf_debug("\nwbsio_spibase = 0x%x\n", wbsio_spibase);
- flashbus = BUS_TYPE_WBSIO_SPI;
- return 0;
-}
-
-/* W83627DHG has 11 command modes:
- * 1=1 command only
- * 2=1 command+1 data write
- * 3=1 command+2 data read
- * 4=1 command+3 address
- * 5=1 command+3 address+1 data write
- * 6=1 command+3 address+4 data write
- * 7=1 command+3 address+1 dummy address inserted by wbsio+4 data read
- * 8=1 command+3 address+1 data read
- * 9=1 command+3 address+2 data read
- * a=1 command+3 address+3 data read
- * b=1 command+3 address+4 data read
- *
- * mode[7:4] holds the command mode
- * mode[3:0] holds SPI address bits [19:16]
- *
- * The Winbond SPI master only supports 20 bit addresses on the SPI bus. :\
- * Would one more byte of RAM in the chip (to get all 24 bits) really make
- * such a big difference?
- */
-int wbsio_spi_command(unsigned int writecnt, unsigned int readcnt,
- const unsigned char *writearr, unsigned char *readarr)
-{
- int i;
- uint8_t mode = 0;
-
- printf_debug("%s:", __func__);
-
- if (1 == writecnt && 0 == readcnt) {
- mode = 0x10;
- } else if (2 == writecnt && 0 == readcnt) {
- OUTB(writearr[1], wbsio_spibase + 4);
- printf_debug(" data=0x%02x", writearr[1]);
- mode = 0x20;
- } else if (1 == writecnt && 2 == readcnt) {
- mode = 0x30;
- } else if (4 == writecnt && 0 == readcnt) {
- printf_debug(" addr=0x%02x", (writearr[1] & 0x0f));
- for (i = 2; i < writecnt; i++) {
- OUTB(writearr[i], wbsio_spibase + i);
- printf_debug("%02x", writearr[i]);
- }
- mode = 0x40 | (writearr[1] & 0x0f);
- } else if (5 == writecnt && 0 == readcnt) {
- printf_debug(" addr=0x%02x", (writearr[1] & 0x0f));
- for (i = 2; i < 4; i++) {
- OUTB(writearr[i], wbsio_spibase + i);
- printf_debug("%02x", writearr[i]);
- }
- OUTB(writearr[i], wbsio_spibase + i);
- printf_debug(" data=0x%02x", writearr[i]);
- mode = 0x50 | (writearr[1] & 0x0f);
- } else if (8 == writecnt && 0 == readcnt) {
- printf_debug(" addr=0x%02x", (writearr[1] & 0x0f));
- for (i = 2; i < 4; i++) {
- OUTB(writearr[i], wbsio_spibase + i);
- printf_debug("%02x", writearr[i]);
- }
- printf_debug(" data=0x");
- for (; i < writecnt; i++) {
- OUTB(writearr[i], wbsio_spibase + i);
- printf_debug("%02x", writearr[i]);
- }
- mode = 0x60 | (writearr[1] & 0x0f);
- } else if (5 == writecnt && 4 == readcnt) {
- /* XXX: TODO not supported by flashrom infrastructure!
- * This mode, 7, discards the fifth byte in writecnt,
- * but since we can not express that in flashrom, fail
- * the operation for now.
- */
- ;
- } else if (4 == writecnt && readcnt >= 1 && readcnt <= 4) {
- printf_debug(" addr=0x%02x", (writearr[1] & 0x0f));
- for (i = 2; i < writecnt; i++) {
- OUTB(writearr[i], wbsio_spibase + i);
- printf_debug("%02x", writearr[i]);
- }
- mode = ((7 + readcnt) << 4) | (writearr[1] & 0x0f);
- }
- printf_debug(" cmd=%02x mode=%02x\n", writearr[0], mode);
-
- if (!mode) {
- fprintf(stderr, "%s: unsupported command type wr=%d rd=%d\n",
- __func__, writecnt, readcnt);
- return 1;
- }
-
- OUTB(writearr[0], wbsio_spibase);
- OUTB(mode, wbsio_spibase + 1);
- myusec_delay(10);
-
- if (!readcnt)
- return 0;
-
- printf_debug("%s: returning data =", __func__);
- for (i = 0; i < readcnt; i++) {
- readarr[i] = INB(wbsio_spibase + 4 + i);
- printf_debug(" 0x%02x", readarr[i]);
- }
- printf_debug("\n");
- return 0;
-}
-
-int wbsio_spi_read(struct flashchip *flash, uint8_t *buf)
-{
- int size = flash->total_size * 1024;
-
- if (flash->total_size > 1024) {
- fprintf(stderr, "%s: Winbond saved on 4 register bits so max chip size is 1024 KB!\n", __func__);
- return 1;
- }
-
- memcpy(buf, (const char *)flash->virtual_memory, size);
- return 0;
-}
-
-int wbsio_spi_write(struct flashchip *flash, uint8_t *buf)
-{
- int pos, size = flash->total_size * 1024;
-
- if (flash->total_size > 1024) {
- fprintf(stderr, "%s: Winbond saved on 4 register bits so max chip size is 1024 KB!\n", __func__);
- return 1;
- }
-
- flash->erase(flash);
- spi_write_enable();
- for (pos = 0; pos < size; pos++) {
- spi_byte_program(pos, buf[pos]);
- while (spi_read_status_register() & JEDEC_RDSR_BIT_WIP)
- myusec_delay(10);
- }
- spi_write_disable();
- return 0;
-}
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