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-rw-r--r--spi4ba.c317
1 files changed, 0 insertions, 317 deletions
diff --git a/spi4ba.c b/spi4ba.c
deleted file mode 100644
index 8cce3c618..000000000
--- a/spi4ba.c
+++ /dev/null
@@ -1,317 +0,0 @@
-/*
- * This file is part of the flashrom project.
- *
- * Copyright (C) 2014 Boris Baykov
- *
- * 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
- */
-
-/*
- * SPI chip driver functions for 4-bytes addressing
- */
-
-#include <string.h>
-#include "flash.h"
-#include "chipdrivers.h"
-#include "spi.h"
-#include "programmer.h"
-#include "spi4ba.h"
-
-/* #define MSG_TRACE_4BA_FUNCS 1 */
-
-#ifdef MSG_TRACE_4BA_FUNCS
-#define msg_trace(...) print(MSG_DEBUG, __VA_ARGS__)
-#else
-#define msg_trace(...)
-#endif
-
-/* Enter 4-bytes addressing mode (without sending WREN before) */
-int spi_enter_4ba_b7(struct flashctx *flash)
-{
- int result;
- const unsigned char cmd[JEDEC_ENTER_4_BYTE_ADDR_MODE_OUTSIZE] = { JEDEC_ENTER_4_BYTE_ADDR_MODE };
-
- msg_trace("-> %s\n", __func__);
-
- /* Switch to 4-bytes addressing mode */
- result = spi_send_command(flash, sizeof(cmd), 0, cmd, NULL);
- if (!result)
- flash->in_4ba_mode = true;
-
- return result;
-}
-
-/* Enter 4-bytes addressing mode with sending WREN before */
-int spi_enter_4ba_b7_we(struct flashctx *flash)
-{
- int result;
- struct spi_command cmds[] = {
- {
- .writecnt = JEDEC_WREN_OUTSIZE,
- .writearr = (const unsigned char[]){ JEDEC_WREN },
- .readcnt = 0,
- .readarr = NULL,
- }, {
- .writecnt = JEDEC_ENTER_4_BYTE_ADDR_MODE_OUTSIZE,
- .writearr = (const unsigned char[]){ JEDEC_ENTER_4_BYTE_ADDR_MODE },
- .readcnt = 0,
- .readarr = NULL,
- }, {
- .writecnt = 0,
- .writearr = NULL,
- .readcnt = 0,
- .readarr = NULL,
- }};
-
- msg_trace("-> %s\n", __func__);
-
- /* Switch to 4-bytes addressing mode */
- result = spi_send_multicommand(flash, cmds);
- if (result)
- msg_cerr("%s failed during command execution\n", __func__);
- else
- flash->in_4ba_mode = true;
- return result;
-}
-
-/* Exit 4-bytes addressing mode (without sending WREN before) */
-int spi_exit_4ba_e9(struct flashctx *flash)
-{
- int result;
- const unsigned char cmd[JEDEC_EXIT_4_BYTE_ADDR_MODE_OUTSIZE] = { JEDEC_EXIT_4_BYTE_ADDR_MODE };
-
- msg_trace("-> %s\n", __func__);
-
- /* Switch to 3-bytes addressing mode */
- result = spi_send_command(flash, sizeof(cmd), 0, cmd, NULL);
- if (!result)
- flash->in_4ba_mode = false;
-
- return result;
-}
-
-/* Exit 4-bytes addressing mode with sending WREN before */
-int spi_exit_4ba_e9_we(struct flashctx *flash)
-{
- int result;
- struct spi_command cmds[] = {
- {
- .writecnt = JEDEC_WREN_OUTSIZE,
- .writearr = (const unsigned char[]){ JEDEC_WREN },
- .readcnt = 0,
- .readarr = NULL,
- }, {
- .writecnt = JEDEC_EXIT_4_BYTE_ADDR_MODE_OUTSIZE,
- .writearr = (const unsigned char[]){ JEDEC_EXIT_4_BYTE_ADDR_MODE },
- .readcnt = 0,
- .readarr = NULL,
- }, {
- .writecnt = 0,
- .writearr = NULL,
- .readcnt = 0,
- .readarr = NULL,
- }};
-
- msg_trace("-> %s\n", __func__);
-
- /* Switch to 3-bytes addressing mode */
- result = spi_send_multicommand(flash, cmds);
- if (result)
- msg_cerr("%s failed during command execution\n", __func__);
- else
- flash->in_4ba_mode = false;
- return result;
-}
-
-/* Write Extended Address Register value */
-int spi_write_extended_address_register(struct flashctx *flash, uint8_t regdata)
-{
- int result;
- struct spi_command cmds[] = {
- {
- .writecnt = JEDEC_WREN_OUTSIZE,
- .writearr = (const unsigned char[]){ JEDEC_WREN },
- .readcnt = 0,
- .readarr = NULL,
- }, {
- .writecnt = JEDEC_WRITE_EXT_ADDR_REG_OUTSIZE,
- .writearr = (const unsigned char[]){
- JEDEC_WRITE_EXT_ADDR_REG,
- regdata
- },
- .readcnt = 0,
- .readarr = NULL,
- }, {
- .writecnt = 0,
- .writearr = NULL,
- .readcnt = 0,
- .readarr = NULL,
- }};
-
- msg_trace("-> %s (%02X)\n", __func__, regdata);
-
- result = spi_send_multicommand(flash, cmds);
- if (result) {
- msg_cerr("%s failed during command execution\n", __func__);
- return result;
- }
- return 0;
-}
-
-/* Erase 4 KB of flash with 4-bytes address from ANY mode (3-bytes or 4-bytes)
- JEDEC_SE_4BA (21h) instruction is new for 4-bytes addressing flash chips.
- The presence of this instruction for an exact chip should be checked
- by its datasheet or from SFDP 4-Bytes Address Instruction Table (JESD216B). */
-int spi_block_erase_21_4ba_direct(struct flashctx *flash, unsigned int addr,
- unsigned int blocklen)
-{
- int result;
- struct spi_command cmds[] = {
- {
- .writecnt = JEDEC_WREN_OUTSIZE,
- .writearr = (const unsigned char[]){ JEDEC_WREN },
- .readcnt = 0,
- .readarr = NULL,
- }, {
- .writecnt = JEDEC_SE_4BA_OUTSIZE,
- .writearr = (const unsigned char[]){
- JEDEC_SE_4BA,
- (addr >> 24) & 0xff,
- (addr >> 16) & 0xff,
- (addr >> 8) & 0xff,
- (addr & 0xff)
- },
- .readcnt = 0,
- .readarr = NULL,
- }, {
- .writecnt = 0,
- .writearr = NULL,
- .readcnt = 0,
- .readarr = NULL,
- }};
-
- msg_trace("-> %s (0x%08X-0x%08X)\n", __func__, addr, addr + blocklen - 1);
-
- result = spi_send_multicommand(flash, cmds);
- if (result) {
- msg_cerr("%s failed during command execution at address 0x%x\n",
- __func__, addr);
- return result;
- }
- /* Wait until the Write-In-Progress bit is cleared.
- * This usually takes 15-800 ms, so wait in 10 ms steps.
- */
- while (spi_read_status_register(flash) & SPI_SR_WIP)
- programmer_delay(10 * 1000);
- /* FIXME: Check the status register for errors. */
- return 0;
-}
-
-/* Erase 32 KB of flash with 4-bytes address from ANY mode (3-bytes or 4-bytes)
- JEDEC_BE_5C_4BA (5Ch) instruction is new for 4-bytes addressing flash chips.
- The presence of this instruction for an exact chip should be checked
- by its datasheet or from SFDP 4-Bytes Address Instruction Table (JESD216B). */
-int spi_block_erase_5c_4ba_direct(struct flashctx *flash, unsigned int addr,
- unsigned int blocklen)
-{
- int result;
- struct spi_command cmds[] = {
- {
- .writecnt = JEDEC_WREN_OUTSIZE,
- .writearr = (const unsigned char[]){ JEDEC_WREN },
- .readcnt = 0,
- .readarr = NULL,
- }, {
- .writecnt = JEDEC_BE_5C_4BA_OUTSIZE,
- .writearr = (const unsigned char[]){
- JEDEC_BE_5C_4BA,
- (addr >> 24) & 0xff,
- (addr >> 16) & 0xff,
- (addr >> 8) & 0xff,
- (addr & 0xff)
- },
- .readcnt = 0,
- .readarr = NULL,
- }, {
- .writecnt = 0,
- .writearr = NULL,
- .readcnt = 0,
- .readarr = NULL,
- }};
-
- msg_trace("-> %s (0x%08X-0x%08X)\n", __func__, addr, addr + blocklen - 1);
-
- result = spi_send_multicommand(flash, cmds);
- if (result) {
- msg_cerr("%s failed during command execution at address 0x%x\n",
- __func__, addr);
- return result;
- }
- /* Wait until the Write-In-Progress bit is cleared.
- * This usually takes 100-4000 ms, so wait in 100 ms steps.
- */
- while (spi_read_status_register(flash) & SPI_SR_WIP)
- programmer_delay(100 * 1000);
- /* FIXME: Check the status register for errors. */
- return 0;
-}
-
-/* Erase 64 KB of flash with 4-bytes address from ANY mode (3-bytes or 4-bytes)
- JEDEC_BE_DC_4BA (DCh) instruction is new for 4-bytes addressing flash chips.
- The presence of this instruction for an exact chip should be checked
- by its datasheet or from SFDP 4-Bytes Address Instruction Table (JESD216B). */
-int spi_block_erase_dc_4ba_direct(struct flashctx *flash, unsigned int addr,
- unsigned int blocklen)
-{
- int result;
- struct spi_command cmds[] = {
- {
- .writecnt = JEDEC_WREN_OUTSIZE,
- .writearr = (const unsigned char[]){ JEDEC_WREN },
- .readcnt = 0,
- .readarr = NULL,
- }, {
- .writecnt = JEDEC_BE_DC_4BA_OUTSIZE,
- .writearr = (const unsigned char[]){
- JEDEC_BE_DC_4BA,
- (addr >> 24) & 0xff,
- (addr >> 16) & 0xff,
- (addr >> 8) & 0xff,
- (addr & 0xff)
- },
- .readcnt = 0,
- .readarr = NULL,
- }, {
- .writecnt = 0,
- .writearr = NULL,
- .readcnt = 0,
- .readarr = NULL,
- }};
-
- msg_trace("-> %s (0x%08X-0x%08X)\n", __func__, addr, addr + blocklen - 1);
-
- result = spi_send_multicommand(flash, cmds);
- if (result) {
- msg_cerr("%s failed during command execution at address 0x%x\n",
- __func__, addr);
- return result;
- }
- /* Wait until the Write-In-Progress bit is cleared.
- * This usually takes 100-4000 ms, so wait in 100 ms steps.
- */
- while (spi_read_status_register(flash) & SPI_SR_WIP)
- programmer_delay(100 * 1000);
- /* FIXME: Check the status register for errors. */
- return 0;
-}
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