openocd: better SPI flash patch (#62)
This commit is contained in:
parent
9a76e0fdb6
commit
367c3d5ed5
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@ -1,24 +1,571 @@
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diff --git a/src/flash/nor/spi.c b/src/flash/nor/spi.c
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diff '--color=auto' -Naur openocd-0.11.0/src/flash/nor/jtagspi.c openocd-0.11.0.new/src/flash/nor/jtagspi.c
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index af72ffc4..e5c9a9bd 100644
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--- openocd-0.11.0/src/flash/nor/jtagspi.c 2020-12-10 03:43:09.000000000 +0800
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--- a/src/flash/nor/spi.c
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+++ openocd-0.11.0.new/src/flash/nor/jtagspi.c 2021-07-27 18:31:32.179205804 +0800
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+++ b/src/flash/nor/spi.c
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@@ -82,7 +82,7 @@
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@@ -90,8 +90,8 @@ const struct flash_device flash_devices[] = {
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struct scan_field fields[6];
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FLASH_ID("mac 25r6435f", 0x03, 0x00, 0x02, 0xd8, 0xc7, 0x001728c2, 0x100, 0x10000, 0x800000),
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uint8_t marker = 1;
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FLASH_ID("micron n25q064", 0x03, 0xeb, 0x02, 0xd8, 0xc7, 0x0017ba20, 0x100, 0x10000, 0x800000),
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uint8_t xfer_bits_buf[4];
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FLASH_ID("micron n25q128", 0x03, 0xeb, 0x02, 0xd8, 0xc7, 0x0018ba20, 0x100, 0x10000, 0x1000000),
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- uint8_t addr_buf[3];
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- FLASH_ID("micron n25q256 3v", 0x13, 0xec, 0x12, 0xdc, 0xc7, 0x0019ba20, 0x100, 0x10000, 0x2000000),
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+ uint8_t addr_buf[4];
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- FLASH_ID("micron n25q256 1.8v", 0x13, 0xec, 0x12, 0xdc, 0xc7, 0x0019bb20, 0x100, 0x10000, 0x2000000),
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uint8_t *data_buf;
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+ FLASH_ID("micron n25q256 3v", 0x03, 0xeb, 0x02, 0xd8, 0xc7, 0x0019ba20, 0x100, 0x10000, 0x2000000),
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uint32_t xfer_bits;
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+ FLASH_ID("micron n25q256 1.8v", 0x03, 0xeb, 0x02, 0xd8, 0xc7, 0x0019bb20, 0x100, 0x10000, 0x2000000),
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int is_read, lenb, n;
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FLASH_ID("micron mt25ql512", 0x13, 0xec, 0x12, 0xdc, 0xc7, 0x0020ba20, 0x100, 0x10000, 0x4000000),
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@@ -102,9 +102,12 @@
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FLASH_ID("micron mt25ql01", 0x13, 0xec, 0x12, 0xdc, 0xc7, 0x0021ba20, 0x100, 0x10000, 0x8000000),
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FLASH_ID("micron mt25ql02", 0x13, 0xec, 0x12, 0xdc, 0xc7, 0x0022ba20, 0x100, 0x10000, 0x10000000),
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xfer_bits = 8 + len - 1;
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@@ -124,7 +124,7 @@ const struct flash_device flash_devices[] = {
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/* cmd + read/write - 1 due to the counter implementation */
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FLASH_ID("issi is25lp064", 0x03, 0x00, 0x02, 0xd8, 0xc7, 0x0017609d, 0x100, 0x10000, 0x800000),
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- if (addr)
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FLASH_ID("issi is25lp128d", 0x03, 0xeb, 0x02, 0xd8, 0xc7, 0x0018609d, 0x100, 0x10000, 0x1000000),
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- xfer_bits += 24;
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FLASH_ID("issi is25wp128d", 0x03, 0xeb, 0x02, 0xd8, 0xc7, 0x0018709d, 0x100, 0x10000, 0x1000000),
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- h_u32_to_be(xfer_bits_buf, xfer_bits);
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- FLASH_ID("issi is25lp256d", 0x13, 0xec, 0x12, 0xdc, 0xc7, 0x0019609d, 0x100, 0x10000, 0x2000000),
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+ if (addr) {
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+ FLASH_ID("issi is25lp256d", 0x03, 0xeb, 0x02, 0xd8, 0xc7, 0x0019609d, 0x100, 0x10000, 0x2000000),
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+ if (bank->size > (1 << 24))
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FLASH_ID("issi is25wp256d", 0x13, 0xec, 0x12, 0xdc, 0xc7, 0x0019709d, 0x100, 0x10000, 0x2000000),
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+ xfer_bits += 32;
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FLASH_ID("issi is25lp512m", 0x13, 0xec, 0x12, 0xdc, 0xc7, 0x001a609d, 0x100, 0x10000, 0x4000000),
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+ else
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FLASH_ID("issi is25wp512m", 0x13, 0xec, 0x12, 0xdc, 0xc7, 0x001a709d, 0x100, 0x10000, 0x4000000),
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+ xfer_bits += 24;
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+ }
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flip_u8(xfer_bits_buf, xfer_bits_buf, 4);
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fields[n].num_bits = 32;
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fields[n].out_value = xfer_bits_buf;
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@@ -118,9 +121,15 @@
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n++;
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if (addr) {
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- h_u24_to_be(addr_buf, *addr);
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- flip_u8(addr_buf, addr_buf, 3);
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- fields[n].num_bits = 24;
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+ if (bank->size > (1 << 24)) {
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+ h_u32_to_be(addr_buf, *addr);
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+ flip_u8(addr_buf, addr_buf, 4);
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+ fields[n].num_bits = 32;
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+ } else {
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+ h_u24_to_be(addr_buf, *addr);
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+ flip_u8(addr_buf, addr_buf, 3);
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+ fields[n].num_bits = 24;
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+ }
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fields[n].out_value = addr_buf;
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fields[n].in_value = NULL;
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n++;
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@@ -304,11 +313,14 @@
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struct jtagspi_flash_bank *info = bank->driver_priv;
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int retval;
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int64_t t0 = timeval_ms();
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+ uint8_t erase_cmd = info->dev->erase_cmd;
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retval = jtagspi_write_enable(bank);
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if (retval != ERROR_OK)
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return retval;
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- jtagspi_cmd(bank, info->dev->erase_cmd, &bank->sectors[sector].offset, NULL, 0);
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+ if (bank->size > (1 << 24))
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+ erase_cmd = SPIFLASH_4BYTE_SECTOR_ERASE;
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+ jtagspi_cmd(bank, erase_cmd, &bank->sectors[sector].offset, NULL, 0);
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retval = jtagspi_wait(bank, JTAGSPI_MAX_TIMEOUT);
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LOG_INFO("sector %u took %" PRId64 " ms", sector, timeval_ms() - t0);
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return retval;
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@@ -374,24 +386,36 @@
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static int jtagspi_read(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
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{
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struct jtagspi_flash_bank *info = bank->driver_priv;
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+ uint8_t read_cmd = SPIFLASH_READ;
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if (!(info->probed)) {
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LOG_ERROR("Flash bank not yet probed.");
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return ERROR_FLASH_BANK_NOT_PROBED;
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}
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+ if (count >= (1 << 28)) {
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+ LOG_ERROR("Read too large.");
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+ return ERROR_FAIL;
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+ }
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- jtagspi_cmd(bank, SPIFLASH_READ, &offset, buffer, -count*8);
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+ if (bank->size > (1 << 24))
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+ read_cmd = SPIFLASH_4BYTE_READ;
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+ jtagspi_cmd(bank, read_cmd, &offset, buffer, -count*8);
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return ERROR_OK;
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}
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static int jtagspi_page_write(struct flash_bank *bank, const uint8_t *buffer, uint32_t offset, uint32_t count)
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{
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int retval;
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+ uint8_t program_cmd = SPIFLASH_PAGE_PROGRAM;
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retval = jtagspi_write_enable(bank);
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if (retval != ERROR_OK)
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return retval;
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- jtagspi_cmd(bank, SPIFLASH_PAGE_PROGRAM, &offset, (uint8_t *) buffer, count*8);
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+
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+ if (bank->size > (1 << 24))
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+ program_cmd = SPIFLASH_4BYTE_PAGE_PROGRAM;
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+
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+ jtagspi_cmd(bank, program_cmd, &offset, (uint8_t *) buffer, count*8);
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return jtagspi_wait(bank, JTAGSPI_MAX_TIMEOUT);
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}
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diff '--color=auto' -Naur openocd-0.11.0/src/flash/nor/jtagspi.c.orig openocd-0.11.0.new/src/flash/nor/jtagspi.c.orig
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--- openocd-0.11.0/src/flash/nor/jtagspi.c.orig 1970-01-01 08:00:00.000000000 +0800
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+++ openocd-0.11.0.new/src/flash/nor/jtagspi.c.orig 2020-12-10 03:43:09.000000000 +0800
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@@ -0,0 +1,452 @@
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+/***************************************************************************
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+ * Copyright (C) 2015 Robert Jordens <jordens@gmail.com> *
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+ * *
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+ * This program is free software; you can redistribute it and/or modify *
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+ * it under the terms of the GNU General Public License as published by *
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+ * the Free Software Foundation; either version 2 of the License, or *
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+ * (at your option) any later version. *
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+ * *
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+ * This program is distributed in the hope that it will be useful, *
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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+ * GNU General Public License for more details. *
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+ * *
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+ * You should have received a copy of the GNU General Public License *
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+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
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+ ***************************************************************************/
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+
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+#ifdef HAVE_CONFIG_H
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+#include "config.h"
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+#endif
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+
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+#include "imp.h"
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+#include <jtag/jtag.h>
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+#include <flash/nor/spi.h>
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+#include <helper/time_support.h>
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+
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+#define JTAGSPI_MAX_TIMEOUT 3000
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+
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+
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+struct jtagspi_flash_bank {
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+ struct jtag_tap *tap;
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+ const struct flash_device *dev;
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+ bool probed;
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+ uint32_t ir;
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+};
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+
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+FLASH_BANK_COMMAND_HANDLER(jtagspi_flash_bank_command)
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+{
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+ struct jtagspi_flash_bank *info;
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+
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+ if (CMD_ARGC < 7)
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+ return ERROR_COMMAND_SYNTAX_ERROR;
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+
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+ info = malloc(sizeof(struct jtagspi_flash_bank));
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+ if (info == NULL) {
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+ LOG_ERROR("no memory for flash bank info");
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+ return ERROR_FAIL;
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+ }
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+ bank->driver_priv = info;
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+
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+ info->tap = NULL;
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+ info->probed = false;
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+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[6], info->ir);
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+
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+ return ERROR_OK;
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+}
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+
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+static void jtagspi_set_ir(struct flash_bank *bank)
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+{
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+ struct jtagspi_flash_bank *info = bank->driver_priv;
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+ struct scan_field field;
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+ uint8_t buf[4] = { 0 };
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+
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+ LOG_DEBUG("loading jtagspi ir");
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+ buf_set_u32(buf, 0, info->tap->ir_length, info->ir);
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+ field.num_bits = info->tap->ir_length;
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+ field.out_value = buf;
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+ field.in_value = NULL;
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+ jtag_add_ir_scan(info->tap, &field, TAP_IDLE);
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+}
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+
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+static void flip_u8(uint8_t *in, uint8_t *out, int len)
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+{
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+ for (int i = 0; i < len; i++)
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+ out[i] = flip_u32(in[i], 8);
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+}
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+
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+static int jtagspi_cmd(struct flash_bank *bank, uint8_t cmd,
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+ uint32_t *addr, uint8_t *data, int len)
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+{
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+ struct jtagspi_flash_bank *info = bank->driver_priv;
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+ struct scan_field fields[6];
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+ uint8_t marker = 1;
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+ uint8_t xfer_bits_buf[4];
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+ uint8_t addr_buf[3];
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+ uint8_t *data_buf;
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+ uint32_t xfer_bits;
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+ int is_read, lenb, n;
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+
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+ /* LOG_DEBUG("cmd=0x%02x len=%i", cmd, len); */
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+
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+ is_read = (len < 0);
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+ if (is_read)
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+ len = -len;
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+
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+ n = 0;
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+
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+ fields[n].num_bits = 1;
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+ fields[n].out_value = ▮
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+ fields[n].in_value = NULL;
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+ n++;
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+
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+ xfer_bits = 8 + len - 1;
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+ /* cmd + read/write - 1 due to the counter implementation */
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+ if (addr)
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+ xfer_bits += 24;
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+ h_u32_to_be(xfer_bits_buf, xfer_bits);
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+ flip_u8(xfer_bits_buf, xfer_bits_buf, 4);
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+ fields[n].num_bits = 32;
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+ fields[n].out_value = xfer_bits_buf;
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+ fields[n].in_value = NULL;
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+ n++;
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+
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+ cmd = flip_u32(cmd, 8);
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+ fields[n].num_bits = 8;
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+ fields[n].out_value = &cmd;
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+ fields[n].in_value = NULL;
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+ n++;
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+
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+ if (addr) {
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+ h_u24_to_be(addr_buf, *addr);
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+ flip_u8(addr_buf, addr_buf, 3);
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+ fields[n].num_bits = 24;
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+ fields[n].out_value = addr_buf;
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+ fields[n].in_value = NULL;
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+ n++;
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+ }
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+
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+ lenb = DIV_ROUND_UP(len, 8);
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+ data_buf = malloc(lenb);
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+ if (lenb > 0) {
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+ if (data_buf == NULL) {
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+ LOG_ERROR("no memory for spi buffer");
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+ return ERROR_FAIL;
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+ }
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+ if (is_read) {
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+ fields[n].num_bits = jtag_tap_count_enabled();
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+ fields[n].out_value = NULL;
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+ fields[n].in_value = NULL;
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+ n++;
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+
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+ fields[n].out_value = NULL;
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+ fields[n].in_value = data_buf;
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+ } else {
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+ flip_u8(data, data_buf, lenb);
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+ fields[n].out_value = data_buf;
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+ fields[n].in_value = NULL;
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+ }
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+ fields[n].num_bits = len;
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+ n++;
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+ }
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+
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+ jtagspi_set_ir(bank);
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+ /* passing from an IR scan to SHIFT-DR clears BYPASS registers */
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+ jtag_add_dr_scan(info->tap, n, fields, TAP_IDLE);
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+ int retval = jtag_execute_queue();
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+
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+ if (is_read)
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+ flip_u8(data_buf, data, lenb);
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+ free(data_buf);
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+ return retval;
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+}
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+
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+static int jtagspi_probe(struct flash_bank *bank)
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+{
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+ struct jtagspi_flash_bank *info = bank->driver_priv;
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+ struct flash_sector *sectors;
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+ uint8_t in_buf[3];
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+ uint32_t id, sectorsize;
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+
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+ if (info->probed)
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+ free(bank->sectors);
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+ info->probed = false;
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+
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+ if (bank->target->tap == NULL) {
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+ LOG_ERROR("Target has no JTAG tap");
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+ return ERROR_FAIL;
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+ }
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+ info->tap = bank->target->tap;
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+
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+ jtagspi_cmd(bank, SPIFLASH_READ_ID, NULL, in_buf, -24);
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+ /* the table in spi.c has the manufacturer byte (first) as the lsb */
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+ id = le_to_h_u24(in_buf);
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+
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+ info->dev = NULL;
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+ for (const struct flash_device *p = flash_devices; p->name ; p++)
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+ if (p->device_id == id) {
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+ info->dev = p;
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+ break;
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+ }
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+
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+ if (!(info->dev)) {
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+ LOG_ERROR("Unknown flash device (ID 0x%08" PRIx32 ")", id);
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+ return ERROR_FAIL;
|
||||||
|
+ }
|
||||||
|
+
|
||||||
|
+ LOG_INFO("Found flash device \'%s\' (ID 0x%08" PRIx32 ")",
|
||||||
|
+ info->dev->name, info->dev->device_id);
|
||||||
|
+
|
||||||
|
+ /* Set correct size value */
|
||||||
|
+ bank->size = info->dev->size_in_bytes;
|
||||||
|
+ if (bank->size <= (1UL << 16))
|
||||||
|
+ LOG_WARNING("device needs 2-byte addresses - not implemented");
|
||||||
|
+ if (bank->size > (1UL << 24))
|
||||||
|
+ LOG_WARNING("device needs paging or 4-byte addresses - not implemented");
|
||||||
|
+
|
||||||
|
+ /* if no sectors, treat whole bank as single sector */
|
||||||
|
+ sectorsize = info->dev->sectorsize ?
|
||||||
|
+ info->dev->sectorsize : info->dev->size_in_bytes;
|
||||||
|
+
|
||||||
|
+ /* create and fill sectors array */
|
||||||
|
+ bank->num_sectors = info->dev->size_in_bytes / sectorsize;
|
||||||
|
+ sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
|
||||||
|
+ if (sectors == NULL) {
|
||||||
|
+ LOG_ERROR("not enough memory");
|
||||||
|
+ return ERROR_FAIL;
|
||||||
|
+ }
|
||||||
|
+
|
||||||
|
+ for (unsigned int sector = 0; sector < bank->num_sectors; sector++) {
|
||||||
|
+ sectors[sector].offset = sector * sectorsize;
|
||||||
|
+ sectors[sector].size = sectorsize;
|
||||||
|
+ sectors[sector].is_erased = -1;
|
||||||
|
+ sectors[sector].is_protected = 0;
|
||||||
|
+ }
|
||||||
|
+
|
||||||
|
+ bank->sectors = sectors;
|
||||||
|
+ info->probed = true;
|
||||||
|
+ return ERROR_OK;
|
||||||
|
+}
|
||||||
|
+
|
||||||
|
+static int jtagspi_read_status(struct flash_bank *bank, uint32_t *status)
|
||||||
|
+{
|
||||||
|
+ uint8_t buf;
|
||||||
|
+ int err = jtagspi_cmd(bank, SPIFLASH_READ_STATUS, NULL, &buf, -8);
|
||||||
|
+ if (err == ERROR_OK) {
|
||||||
|
+ *status = buf;
|
||||||
|
+ /* LOG_DEBUG("status=0x%08" PRIx32, *status); */
|
||||||
|
+ }
|
||||||
|
+
|
||||||
|
+ return err;
|
||||||
|
+}
|
||||||
|
+
|
||||||
|
+static int jtagspi_wait(struct flash_bank *bank, int timeout_ms)
|
||||||
|
+{
|
||||||
|
+ uint32_t status;
|
||||||
|
+ int64_t t0 = timeval_ms();
|
||||||
|
+ int64_t dt;
|
||||||
|
+
|
||||||
|
+ do {
|
||||||
|
+ dt = timeval_ms() - t0;
|
||||||
|
+
|
||||||
|
+ int retval = jtagspi_read_status(bank, &status);
|
||||||
|
+ if (retval != ERROR_OK)
|
||||||
|
+ return retval;
|
||||||
|
+
|
||||||
|
+ if ((status & SPIFLASH_BSY_BIT) == 0) {
|
||||||
|
+ LOG_DEBUG("waited %" PRId64 " ms", dt);
|
||||||
|
+ return ERROR_OK;
|
||||||
|
+ }
|
||||||
|
+ alive_sleep(1);
|
||||||
|
+ } while (dt <= timeout_ms);
|
||||||
|
+
|
||||||
|
+ LOG_ERROR("timeout, device still busy");
|
||||||
|
+ return ERROR_FAIL;
|
||||||
|
+}
|
||||||
|
+
|
||||||
|
+static int jtagspi_write_enable(struct flash_bank *bank)
|
||||||
|
+{
|
||||||
|
+ uint32_t status;
|
||||||
|
+
|
||||||
|
+ jtagspi_cmd(bank, SPIFLASH_WRITE_ENABLE, NULL, NULL, 0);
|
||||||
|
+
|
||||||
|
+ int retval = jtagspi_read_status(bank, &status);
|
||||||
|
+ if (retval != ERROR_OK)
|
||||||
|
+ return retval;
|
||||||
|
+
|
||||||
|
+ if ((status & SPIFLASH_WE_BIT) == 0) {
|
||||||
|
+ LOG_ERROR("Cannot enable write to flash. Status=0x%08" PRIx32, status);
|
||||||
|
+ return ERROR_FAIL;
|
||||||
|
+ }
|
||||||
|
+ return ERROR_OK;
|
||||||
|
+}
|
||||||
|
+
|
||||||
|
+static int jtagspi_bulk_erase(struct flash_bank *bank)
|
||||||
|
+{
|
||||||
|
+ struct jtagspi_flash_bank *info = bank->driver_priv;
|
||||||
|
+ int retval;
|
||||||
|
+ int64_t t0 = timeval_ms();
|
||||||
|
+
|
||||||
|
+ if (info->dev->chip_erase_cmd == 0x00)
|
||||||
|
+ return ERROR_FLASH_OPER_UNSUPPORTED;
|
||||||
|
+
|
||||||
|
+ retval = jtagspi_write_enable(bank);
|
||||||
|
+ if (retval != ERROR_OK)
|
||||||
|
+ return retval;
|
||||||
|
+ jtagspi_cmd(bank, info->dev->chip_erase_cmd, NULL, NULL, 0);
|
||||||
|
+ retval = jtagspi_wait(bank, bank->num_sectors*JTAGSPI_MAX_TIMEOUT);
|
||||||
|
+ LOG_INFO("took %" PRId64 " ms", timeval_ms() - t0);
|
||||||
|
+ return retval;
|
||||||
|
+}
|
||||||
|
+
|
||||||
|
+static int jtagspi_sector_erase(struct flash_bank *bank, unsigned int sector)
|
||||||
|
+{
|
||||||
|
+ struct jtagspi_flash_bank *info = bank->driver_priv;
|
||||||
|
+ int retval;
|
||||||
|
+ int64_t t0 = timeval_ms();
|
||||||
|
+
|
||||||
|
+ retval = jtagspi_write_enable(bank);
|
||||||
|
+ if (retval != ERROR_OK)
|
||||||
|
+ return retval;
|
||||||
|
+ jtagspi_cmd(bank, info->dev->erase_cmd, &bank->sectors[sector].offset, NULL, 0);
|
||||||
|
+ retval = jtagspi_wait(bank, JTAGSPI_MAX_TIMEOUT);
|
||||||
|
+ LOG_INFO("sector %u took %" PRId64 " ms", sector, timeval_ms() - t0);
|
||||||
|
+ return retval;
|
||||||
|
+}
|
||||||
|
+
|
||||||
|
+static int jtagspi_erase(struct flash_bank *bank, unsigned int first,
|
||||||
|
+ unsigned int last)
|
||||||
|
+{
|
||||||
|
+ struct jtagspi_flash_bank *info = bank->driver_priv;
|
||||||
|
+ int retval = ERROR_OK;
|
||||||
|
+
|
||||||
|
+ LOG_DEBUG("erase from sector %u to sector %u", first, last);
|
||||||
|
+
|
||||||
|
+ if ((last < first) || (last >= bank->num_sectors)) {
|
||||||
|
+ LOG_ERROR("Flash sector invalid");
|
||||||
|
+ return ERROR_FLASH_SECTOR_INVALID;
|
||||||
|
+ }
|
||||||
|
+
|
||||||
|
+ if (!(info->probed)) {
|
||||||
|
+ LOG_ERROR("Flash bank not probed");
|
||||||
|
+ return ERROR_FLASH_BANK_NOT_PROBED;
|
||||||
|
+ }
|
||||||
|
+
|
||||||
|
+ for (unsigned int sector = first; sector <= last; sector++) {
|
||||||
|
+ if (bank->sectors[sector].is_protected) {
|
||||||
|
+ LOG_ERROR("Flash sector %u protected", sector);
|
||||||
|
+ return ERROR_FAIL;
|
||||||
|
+ }
|
||||||
|
+ }
|
||||||
|
+
|
||||||
|
+ if (first == 0 && last == (bank->num_sectors - 1)
|
||||||
|
+ && info->dev->chip_erase_cmd != info->dev->erase_cmd) {
|
||||||
|
+ LOG_DEBUG("Trying bulk erase.");
|
||||||
|
+ retval = jtagspi_bulk_erase(bank);
|
||||||
|
+ if (retval == ERROR_OK)
|
||||||
|
+ return retval;
|
||||||
|
+ else
|
||||||
|
+ LOG_WARNING("Bulk flash erase failed. Falling back to sector erase.");
|
||||||
|
+ }
|
||||||
|
+
|
||||||
|
+ if (info->dev->erase_cmd == 0x00)
|
||||||
|
+ return ERROR_FLASH_OPER_UNSUPPORTED;
|
||||||
|
+
|
||||||
|
+ for (unsigned int sector = first; sector <= last; sector++) {
|
||||||
|
+ retval = jtagspi_sector_erase(bank, sector);
|
||||||
|
+ if (retval != ERROR_OK) {
|
||||||
|
+ LOG_ERROR("Sector erase failed.");
|
||||||
|
+ break;
|
||||||
|
+ }
|
||||||
|
+ }
|
||||||
|
+
|
||||||
|
+ return retval;
|
||||||
|
+}
|
||||||
|
+
|
||||||
|
+static int jtagspi_protect(struct flash_bank *bank, int set, unsigned int first,
|
||||||
|
+ unsigned int last)
|
||||||
|
+{
|
||||||
|
+ for (unsigned int sector = first; sector <= last; sector++)
|
||||||
|
+ bank->sectors[sector].is_protected = set;
|
||||||
|
+ return ERROR_OK;
|
||||||
|
+}
|
||||||
|
+
|
||||||
|
+static int jtagspi_read(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
|
||||||
|
+{
|
||||||
|
+ struct jtagspi_flash_bank *info = bank->driver_priv;
|
||||||
|
+
|
||||||
|
+ if (!(info->probed)) {
|
||||||
|
+ LOG_ERROR("Flash bank not yet probed.");
|
||||||
|
+ return ERROR_FLASH_BANK_NOT_PROBED;
|
||||||
|
+ }
|
||||||
|
+
|
||||||
|
+ jtagspi_cmd(bank, SPIFLASH_READ, &offset, buffer, -count*8);
|
||||||
|
+ return ERROR_OK;
|
||||||
|
+}
|
||||||
|
+
|
||||||
|
+static int jtagspi_page_write(struct flash_bank *bank, const uint8_t *buffer, uint32_t offset, uint32_t count)
|
||||||
|
+{
|
||||||
|
+ int retval;
|
||||||
|
+
|
||||||
|
+ retval = jtagspi_write_enable(bank);
|
||||||
|
+ if (retval != ERROR_OK)
|
||||||
|
+ return retval;
|
||||||
|
+ jtagspi_cmd(bank, SPIFLASH_PAGE_PROGRAM, &offset, (uint8_t *) buffer, count*8);
|
||||||
|
+ return jtagspi_wait(bank, JTAGSPI_MAX_TIMEOUT);
|
||||||
|
+}
|
||||||
|
+
|
||||||
|
+static int jtagspi_write(struct flash_bank *bank, const uint8_t *buffer, uint32_t offset, uint32_t count)
|
||||||
|
+{
|
||||||
|
+ struct jtagspi_flash_bank *info = bank->driver_priv;
|
||||||
|
+ int retval;
|
||||||
|
+ uint32_t n, pagesize;
|
||||||
|
+
|
||||||
|
+ if (!(info->probed)) {
|
||||||
|
+ LOG_ERROR("Flash bank not yet probed.");
|
||||||
|
+ return ERROR_FLASH_BANK_NOT_PROBED;
|
||||||
|
+ }
|
||||||
|
+
|
||||||
|
+ /* if no write pagesize, use reasonable default */
|
||||||
|
+ pagesize = info->dev->pagesize ? info->dev->pagesize : SPIFLASH_DEF_PAGESIZE;
|
||||||
|
+
|
||||||
|
+ for (n = 0; n < count; n += pagesize) {
|
||||||
|
+ retval = jtagspi_page_write(bank, buffer + n, offset + n,
|
||||||
|
+ MIN(count - n, pagesize));
|
||||||
|
+ if (retval != ERROR_OK) {
|
||||||
|
+ LOG_ERROR("page write error");
|
||||||
|
+ return retval;
|
||||||
|
+ }
|
||||||
|
+ LOG_DEBUG("wrote page at 0x%08" PRIx32, offset + n);
|
||||||
|
+ }
|
||||||
|
+ return ERROR_OK;
|
||||||
|
+}
|
||||||
|
+
|
||||||
|
+static int jtagspi_info(struct flash_bank *bank, char *buf, int buf_size)
|
||||||
|
+{
|
||||||
|
+ struct jtagspi_flash_bank *info = bank->driver_priv;
|
||||||
|
+
|
||||||
|
+ if (!(info->probed)) {
|
||||||
|
+ snprintf(buf, buf_size, "\nJTAGSPI flash bank not probed yet\n");
|
||||||
|
+ return ERROR_OK;
|
||||||
|
+ }
|
||||||
|
+
|
||||||
|
+ snprintf(buf, buf_size, "\nSPIFI flash information:\n"
|
||||||
|
+ " Device \'%s\' (ID 0x%08" PRIx32 ")\n",
|
||||||
|
+ info->dev->name, info->dev->device_id);
|
||||||
|
+
|
||||||
|
+ return ERROR_OK;
|
||||||
|
+}
|
||||||
|
+
|
||||||
|
+const struct flash_driver jtagspi_flash = {
|
||||||
|
+ .name = "jtagspi",
|
||||||
|
+ .flash_bank_command = jtagspi_flash_bank_command,
|
||||||
|
+ .erase = jtagspi_erase,
|
||||||
|
+ .protect = jtagspi_protect,
|
||||||
|
+ .write = jtagspi_write,
|
||||||
|
+ .read = jtagspi_read,
|
||||||
|
+ .probe = jtagspi_probe,
|
||||||
|
+ .auto_probe = jtagspi_probe,
|
||||||
|
+ .erase_check = default_flash_blank_check,
|
||||||
|
+ .info = jtagspi_info,
|
||||||
|
+ .free_driver_priv = default_flash_free_driver_priv,
|
||||||
|
+};
|
||||||
|
diff '--color=auto' -Naur openocd-0.11.0/src/flash/nor/spi.h openocd-0.11.0.new/src/flash/nor/spi.h
|
||||||
|
--- openocd-0.11.0/src/flash/nor/spi.h 2020-12-10 03:43:09.000000000 +0800
|
||||||
|
+++ openocd-0.11.0.new/src/flash/nor/spi.h 2021-07-27 18:32:08.106935700 +0800
|
||||||
|
@@ -87,6 +87,9 @@
|
||||||
|
#define SPIFLASH_PAGE_PROGRAM 0x02 /* Page Program */
|
||||||
|
#define SPIFLASH_FAST_READ 0x0B /* Fast Read */
|
||||||
|
#define SPIFLASH_READ 0x03 /* Normal Read */
|
||||||
|
+#define SPIFLASH_4BYTE_READ 0x13 /* Read with 4 byte address */
|
||||||
|
+#define SPIFLASH_4BYTE_SECTOR_ERASE 0xDC /* Sector Erase with 4 byte address */
|
||||||
|
+#define SPIFLASH_4BYTE_PAGE_PROGRAM 0x12 /* Page Program with 4 byte address */
|
||||||
|
#define SPIFLASH_MASS_ERASE 0xC7 /* Mass Erase */
|
||||||
|
#define SPIFLASH_READ_SFDP 0x5A /* Read Serial Flash Discoverable Parameters */
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -15,7 +15,7 @@ let
|
||||||
cp $src/*.bit $out/share/bscan-spi-bitstreams
|
cp $src/*.bit $out/share/bscan-spi-bitstreams
|
||||||
'';
|
'';
|
||||||
};
|
};
|
||||||
# https://docs.lambdaconcept.com/screamer/troubleshooting.html#error-contents-differ
|
# based on https://github.com/m-labs/openocd/commit/17395320816c0bcc4f3401633197a851aeda20ce
|
||||||
openocd-fixed = openocd.overrideAttrs(oa: {
|
openocd-fixed = openocd.overrideAttrs(oa: {
|
||||||
patches = oa.patches or [] ++ [ ./openocd-jtagspi.nix ];
|
patches = oa.patches or [] ++ [ ./openocd-jtagspi.nix ];
|
||||||
});
|
});
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue