+// SPDX-License-Identifier: GPL-2.0-or-later
+
/***************************************************************************
* Copyright (C) 2011 by Marc Willam, Holger Wech *
* openOCD.fseu(AT)de.fujitsu.com *
* Copyright (C) 2011 Ronny Strutz *
* *
- * 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 Street, Fifth Floor, Boston, MA 02110-1301 USA. *
+ * Copyright (C) 2013 Nemui Trinomius *
+ * nemuisan_kawausogasuki@live.jp *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include <target/algorithm.h>
#include <target/armv7m.h>
-#define FLASH_DQ6 0x00000040 /* Data toggle flag bit (TOGG) position */
-#define FLASH_DQ5 0x00000020 /* Time limit exceeding flag bit (TLOV) position */
+#define FLASH_DQ6 0x40 /* Data toggle flag bit (TOGG) position */
+#define FLASH_DQ5 0x20 /* Time limit exceeding flag bit (TLOV) position */
enum fm3_variant {
- mb9bfxx1, /* Flash Type '1' */
- mb9bfxx2,
- mb9bfxx3,
- mb9bfxx4,
- mb9bfxx5,
- mb9bfxx6,
- mb9bfxx7,
- mb9bfxx8,
-
- mb9afxx1, /* Flash Type '2' */
- mb9afxx2,
- mb9afxx3,
- mb9afxx4,
- mb9afxx5,
- mb9afxx6,
- mb9afxx7,
- mb9afxx8,
+ MB9BFXX1, /* Flash Type '1' */
+ MB9BFXX2,
+ MB9BFXX3,
+ MB9BFXX4,
+ MB9BFXX5,
+ MB9BFXX6,
+ MB9BFXX7,
+ MB9BFXX8,
+
+ MB9AFXX1, /* Flash Type '2' */
+ MB9AFXX2,
+ MB9AFXX3,
+ MB9AFXX4,
+ MB9AFXX5,
+ MB9AFXX6,
+ MB9AFXX7,
+ MB9AFXX8,
};
enum fm3_flash_type {
- fm3_no_flash_type = 0,
- fm3_flash_type1 = 1,
- fm3_flash_type2 = 2
+ FM3_NO_FLASH_TYPE = 0,
+ FM3_FLASH_TYPE1 = 1,
+ FM3_FLASH_TYPE2 = 2
};
struct fm3_flash_bank {
enum fm3_variant variant;
enum fm3_flash_type flashtype;
- int probed;
+ bool probed;
};
FLASH_BANK_COMMAND_HANDLER(fm3_flash_bank_command)
/* Flash type '1' */
if (strcmp(CMD_ARGV[5], "mb9bfxx1.cpu") == 0) {
- fm3_info->variant = mb9bfxx1;
- fm3_info->flashtype = fm3_flash_type1;
+ fm3_info->variant = MB9BFXX1;
+ fm3_info->flashtype = FM3_FLASH_TYPE1;
} else if (strcmp(CMD_ARGV[5], "mb9bfxx2.cpu") == 0) {
- fm3_info->variant = mb9bfxx2;
- fm3_info->flashtype = fm3_flash_type1;
+ fm3_info->variant = MB9BFXX2;
+ fm3_info->flashtype = FM3_FLASH_TYPE1;
} else if (strcmp(CMD_ARGV[5], "mb9bfxx3.cpu") == 0) {
- fm3_info->variant = mb9bfxx3;
- fm3_info->flashtype = fm3_flash_type1;
+ fm3_info->variant = MB9BFXX3;
+ fm3_info->flashtype = FM3_FLASH_TYPE1;
} else if (strcmp(CMD_ARGV[5], "mb9bfxx4.cpu") == 0) {
- fm3_info->variant = mb9bfxx4;
- fm3_info->flashtype = fm3_flash_type1;
+ fm3_info->variant = MB9BFXX4;
+ fm3_info->flashtype = FM3_FLASH_TYPE1;
} else if (strcmp(CMD_ARGV[5], "mb9bfxx5.cpu") == 0) {
- fm3_info->variant = mb9bfxx5;
- fm3_info->flashtype = fm3_flash_type1;
+ fm3_info->variant = MB9BFXX5;
+ fm3_info->flashtype = FM3_FLASH_TYPE1;
} else if (strcmp(CMD_ARGV[5], "mb9bfxx6.cpu") == 0) {
- fm3_info->variant = mb9bfxx6;
- fm3_info->flashtype = fm3_flash_type1;
+ fm3_info->variant = MB9BFXX6;
+ fm3_info->flashtype = FM3_FLASH_TYPE1;
} else if (strcmp(CMD_ARGV[5], "mb9bfxx7.cpu") == 0) {
- fm3_info->variant = mb9bfxx7;
- fm3_info->flashtype = fm3_flash_type1;
+ fm3_info->variant = MB9BFXX7;
+ fm3_info->flashtype = FM3_FLASH_TYPE1;
} else if (strcmp(CMD_ARGV[5], "mb9bfxx8.cpu") == 0) {
- fm3_info->variant = mb9bfxx8;
- fm3_info->flashtype = fm3_flash_type1;
+ fm3_info->variant = MB9BFXX8;
+ fm3_info->flashtype = FM3_FLASH_TYPE1;
} else if (strcmp(CMD_ARGV[5], "mb9afxx1.cpu") == 0) { /* Flash type '2' */
- fm3_info->variant = mb9afxx1;
- fm3_info->flashtype = fm3_flash_type2;
+ fm3_info->variant = MB9AFXX1;
+ fm3_info->flashtype = FM3_FLASH_TYPE2;
} else if (strcmp(CMD_ARGV[5], "mb9afxx2.cpu") == 0) {
- fm3_info->variant = mb9afxx2;
- fm3_info->flashtype = fm3_flash_type2;
+ fm3_info->variant = MB9AFXX2;
+ fm3_info->flashtype = FM3_FLASH_TYPE2;
} else if (strcmp(CMD_ARGV[5], "mb9afxx3.cpu") == 0) {
- fm3_info->variant = mb9afxx3;
- fm3_info->flashtype = fm3_flash_type2;
+ fm3_info->variant = MB9AFXX3;
+ fm3_info->flashtype = FM3_FLASH_TYPE2;
} else if (strcmp(CMD_ARGV[5], "mb9afxx4.cpu") == 0) {
- fm3_info->variant = mb9afxx4;
- fm3_info->flashtype = fm3_flash_type2;
+ fm3_info->variant = MB9AFXX4;
+ fm3_info->flashtype = FM3_FLASH_TYPE2;
} else if (strcmp(CMD_ARGV[5], "mb9afxx5.cpu") == 0) {
- fm3_info->variant = mb9afxx5;
- fm3_info->flashtype = fm3_flash_type2;
+ fm3_info->variant = MB9AFXX5;
+ fm3_info->flashtype = FM3_FLASH_TYPE2;
} else if (strcmp(CMD_ARGV[5], "mb9afxx6.cpu") == 0) {
- fm3_info->variant = mb9afxx6;
- fm3_info->flashtype = fm3_flash_type2;
+ fm3_info->variant = MB9AFXX6;
+ fm3_info->flashtype = FM3_FLASH_TYPE2;
} else if (strcmp(CMD_ARGV[5], "mb9afxx7.cpu") == 0) {
- fm3_info->variant = mb9afxx7;
- fm3_info->flashtype = fm3_flash_type2;
+ fm3_info->variant = MB9AFXX7;
+ fm3_info->flashtype = FM3_FLASH_TYPE2;
} else if (strcmp(CMD_ARGV[5], "mb9afxx8.cpu") == 0) {
- fm3_info->variant = mb9afxx8;
- fm3_info->flashtype = fm3_flash_type2;
+ fm3_info->variant = MB9AFXX8;
+ fm3_info->flashtype = FM3_FLASH_TYPE2;
}
/* unknown Flash type */
return ERROR_FLASH_BANK_INVALID;
}
- fm3_info->probed = 0;
+ fm3_info->probed = false;
return ERROR_OK;
}
static int fm3_busy_wait(struct target *target, uint32_t offset, int timeout_ms)
{
int retval = ERROR_OK;
- uint16_t state1, state2;
+ uint8_t state1, state2;
int ms = 0;
/* While(1) loop exit via "break" and "return" on error */
while (1) {
/* dummy-read - see flash manual */
- retval = target_read_u16(target, offset, &state1);
+ retval = target_read_u8(target, offset, &state1);
if (retval != ERROR_OK)
return retval;
/* Data polling 1 */
- retval = target_read_u16(target, offset, &state1);
+ retval = target_read_u8(target, offset, &state1);
if (retval != ERROR_OK)
return retval;
/* Data polling 2 */
- retval = target_read_u16(target, offset, &state2);
+ retval = target_read_u8(target, offset, &state2);
if (retval != ERROR_OK)
return retval;
/* Retry data polling */
/* Data polling 1 */
- retval = target_read_u16(target, offset, &state1);
+ retval = target_read_u8(target, offset, &state1);
if (retval != ERROR_OK)
return retval;
/* Data polling 2 */
- retval = target_read_u16(target, offset, &state2);
+ retval = target_read_u8(target, offset, &state2);
if (retval != ERROR_OK)
return retval;
return retval;
}
-static int fm3_erase(struct flash_bank *bank, int first, int last)
+static int fm3_erase(struct flash_bank *bank, unsigned int first,
+ unsigned int last)
{
struct fm3_flash_bank *fm3_info = bank->driver_priv;
struct target *target = bank->target;
int retval = ERROR_OK;
- uint32_t u32DummyRead;
- int sector, odd;
- uint32_t u32FlashType;
- uint32_t u32FlashSeqAddress1;
- uint32_t u32FlashSeqAddress2;
-
- u32FlashType = (uint32_t) fm3_info->flashtype;
-
- if (u32FlashType == fm3_flash_type1) {
- u32FlashSeqAddress1 = 0x00001550;
- u32FlashSeqAddress2 = 0x00000AA8;
- } else if (u32FlashType == fm3_flash_type2) {
- u32FlashSeqAddress1 = 0x00000AA8;
- u32FlashSeqAddress2 = 0x00000554;
+ uint32_t u32_dummy_read;
+ int odd;
+ uint32_t u32_flash_type;
+ uint32_t u32_flash_seq_address1;
+ uint32_t u32_flash_seq_address2;
+
+ struct working_area *write_algorithm;
+ struct reg_param reg_params[3];
+ struct armv7m_algorithm armv7m_info;
+
+ u32_flash_type = (uint32_t) fm3_info->flashtype;
+
+ if (u32_flash_type == FM3_FLASH_TYPE1) {
+ u32_flash_seq_address1 = 0x00001550;
+ u32_flash_seq_address2 = 0x00000AA8;
+ } else if (u32_flash_type == FM3_FLASH_TYPE2) {
+ u32_flash_seq_address1 = 0x00000AA8;
+ u32_flash_seq_address2 = 0x00000554;
} else {
LOG_ERROR("Flash/Device type unknown!");
return ERROR_FLASH_OPERATION_FAILED;
return ERROR_TARGET_NOT_HALTED;
}
- LOG_INFO("Fujitsu MB9[A/B]FXXX: Sector Erase ... (%d to %d)", first, last);
+ /* RAMCODE used for fm3 Flash sector erase: */
+ /* R0 keeps Flash Sequence address 1 (u32FlashSeq1) */
+ /* R1 keeps Flash Sequence address 2 (u32FlashSeq2) */
+ /* R2 keeps Flash Offset address (ofs) */
+ static const uint8_t fm3_flash_erase_sector_code[] = {
+ /* *(uint16_t*)u32FlashSeq1 = 0xAA; */
+ 0xAA, 0x24, /* MOVS R4, #0xAA */
+ 0x04, 0x80, /* STRH R4, [R0, #0] */
+ /* *(uint16_t*)u32FlashSeq2 = 0x55; */
+ 0x55, 0x23, /* MOVS R3, #0x55 */
+ 0x0B, 0x80, /* STRH R3, [R1, #0] */
+ /* *(uint16_t*)u32FlashSeq1 = 0x80; */
+ 0x80, 0x25, /* MOVS R5, #0x80 */
+ 0x05, 0x80, /* STRH R5, [R0, #0] */
+ /* *(uint16_t*)u32FlashSeq1 = 0xAA; */
+ 0x04, 0x80, /* STRH R4, [R0, #0] */
+ /* *(uint16_t*)u32FlashSeq2 = 0x55; */
+ 0x0B, 0x80, /* STRH R3, [R1, #0] */
+ /* Sector_Erase Command (0x30) */
+ /* *(uint16_t*)ofs = 0x30; */
+ 0x30, 0x20, /* MOVS R0, #0x30 */
+ 0x10, 0x80, /* STRH R0, [R2, #0] */
+ /* End Code */
+ 0x00, 0xBE, /* BKPT #0 */
+ };
+
+ LOG_INFO("Fujitsu MB9[A/B]FXXX: Sector Erase ... (%u to %u)", first, last);
+
+ /* disable HW watchdog */
+ retval = target_write_u32(target, 0x40011C00, 0x1ACCE551);
+ if (retval != ERROR_OK)
+ return retval;
+
+ retval = target_write_u32(target, 0x40011C00, 0xE5331AAE);
+ if (retval != ERROR_OK)
+ return retval;
+
+ retval = target_write_u32(target, 0x40011008, 0x00000000);
+ if (retval != ERROR_OK)
+ return retval;
- /* FASZR = 0x01, Enables CPU Programming Mode (16-bit Flash acccess) */
+ /* FASZR = 0x01, Enables CPU Programming Mode (16-bit Flash access) */
retval = target_write_u32(target, 0x40000000, 0x0001);
if (retval != ERROR_OK)
return retval;
/* dummy read of FASZR */
- retval = target_read_u32(target, 0x40000000, &u32DummyRead);
+ retval = target_read_u32(target, 0x40000000, &u32_dummy_read);
if (retval != ERROR_OK)
return retval;
- for (sector = first ; sector <= last ; sector++) {
+ /* allocate working area with flash sector erase code */
+ if (target_alloc_working_area(target, sizeof(fm3_flash_erase_sector_code),
+ &write_algorithm) != ERROR_OK) {
+ LOG_WARNING("no working area available, can't do block memory writes");
+ return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
+ }
+ retval = target_write_buffer(target, write_algorithm->address,
+ sizeof(fm3_flash_erase_sector_code), fm3_flash_erase_sector_code);
+ if (retval != ERROR_OK)
+ return retval;
+
+ armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
+ armv7m_info.core_mode = ARM_MODE_THREAD;
+
+ init_reg_param(®_params[0], "r0", 32, PARAM_OUT); /* u32_flash_seq_address1 */
+ init_reg_param(®_params[1], "r1", 32, PARAM_OUT); /* u32_flash_seq_address2 */
+ init_reg_param(®_params[2], "r2", 32, PARAM_OUT); /* offset */
+
+ /* write code buffer and use Flash sector erase code within fm3 */
+ for (unsigned int sector = first ; sector <= last ; sector++) {
uint32_t offset = bank->sectors[sector].offset;
for (odd = 0; odd < 2 ; odd++) {
if (odd)
offset += 4;
- /* Flash unlock sequence */
- retval = target_write_u16(target, u32FlashSeqAddress1, 0x00AA);
- if (retval != ERROR_OK)
- return retval;
-
- retval = target_write_u16(target, u32FlashSeqAddress2, 0x0055);
- if (retval != ERROR_OK)
- return retval;
-
- retval = target_write_u16(target, u32FlashSeqAddress1, 0x0080);
- if (retval != ERROR_OK)
- return retval;
-
- retval = target_write_u16(target, u32FlashSeqAddress1, 0x00AA);
- if (retval != ERROR_OK)
- return retval;
-
- retval = target_write_u16(target, u32FlashSeqAddress2, 0x0055);
- if (retval != ERROR_OK)
- return retval;
+ buf_set_u32(reg_params[0].value, 0, 32, u32_flash_seq_address1);
+ buf_set_u32(reg_params[1].value, 0, 32, u32_flash_seq_address2);
+ buf_set_u32(reg_params[2].value, 0, 32, offset);
- /* Sector erase command (0x0030) */
- retval = target_write_u16(target, offset, 0x0030);
- if (retval != ERROR_OK)
+ retval = target_run_algorithm(target, 0, NULL, 3, reg_params,
+ write_algorithm->address, 0, 100000, &armv7m_info);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("Error executing flash erase programming algorithm");
+ retval = ERROR_FLASH_OPERATION_FAILED;
return retval;
+ }
retval = fm3_busy_wait(target, offset, 500);
if (retval != ERROR_OK)
return retval;
}
- bank->sectors[sector].is_erased = 1;
}
- /* FASZR = 0x02, Enables CPU Run Mode (32-bit Flash acccess) */
+ target_free_working_area(target, write_algorithm);
+ destroy_reg_param(®_params[0]);
+ destroy_reg_param(®_params[1]);
+ destroy_reg_param(®_params[2]);
+
+ /* FASZR = 0x02, Enables CPU Run Mode (32-bit Flash access) */
retval = target_write_u32(target, 0x40000000, 0x0002);
if (retval != ERROR_OK)
return retval;
- retval = target_read_u32(target, 0x40000000, &u32DummyRead); /* dummy read of FASZR */
+ retval = target_read_u32(target, 0x40000000, &u32_dummy_read); /* dummy read of FASZR */
return retval;
}
-static int fm3_write_block(struct flash_bank *bank, uint8_t *buffer,
+static int fm3_write_block(struct flash_bank *bank, const uint8_t *buffer,
uint32_t offset, uint32_t count)
{
struct fm3_flash_bank *fm3_info = bank->driver_priv;
struct reg_param reg_params[6];
struct armv7m_algorithm armv7m_info;
int retval = ERROR_OK;
- uint32_t u32FlashType;
- uint32_t u32FlashSeqAddress1;
- uint32_t u32FlashSeqAddress2;
+ uint32_t u32_flash_type;
+ uint32_t u32_flash_seq_address1;
+ uint32_t u32_flash_seq_address2;
/* Increase buffer_size if needed */
if (buffer_size < (target->working_area_size / 2))
buffer_size = (target->working_area_size / 2);
- u32FlashType = (uint32_t) fm3_info->flashtype;
+ u32_flash_type = (uint32_t) fm3_info->flashtype;
- if (u32FlashType == fm3_flash_type1) {
- u32FlashSeqAddress1 = 0x00001550;
- u32FlashSeqAddress2 = 0x00000AA8;
- } else if (u32FlashType == fm3_flash_type2) {
- u32FlashSeqAddress1 = 0x00000AA8;
- u32FlashSeqAddress2 = 0x00000554;
+ if (u32_flash_type == FM3_FLASH_TYPE1) {
+ u32_flash_seq_address1 = 0x00001550;
+ u32_flash_seq_address2 = 0x00000AA8;
+ } else if (u32_flash_type == FM3_FLASH_TYPE2) {
+ u32_flash_seq_address1 = 0x00000AA8;
+ u32_flash_seq_address2 = 0x00000554;
} else {
LOG_ERROR("Flash/Device type unknown!");
return ERROR_FLASH_OPERATION_FAILED;
/* R4 keeps Flash Sequence address 2 (u32FlashSeq2) */
/* R5 returns result value (u32FlashResult) */
- const uint8_t fm3_flash_write_code[] = {
+ static const uint8_t fm3_flash_write_code[] = {
/* fm3_FLASH_IF->FASZ &= 0xFFFD; */
0x5F, 0xF0, 0x80, 0x45, /* MOVS.W R5, #(fm3_FLASH_IF->FASZ) */
0x2D, 0x68, /* LDR R5, [R5] */
0x55, 0xF0, 0x01, 0x05, /* ORRS.W R5, R5, #1 */
0x5F, 0xF0, 0x80, 0x46, /* MOVS.W R6, #(fm3_FLASH_IF->FASZ) */
0x35, 0x60, /* STR R5, [R6] */
- /* u32DummyRead = fm3_FLASH_IF->FASZ; */
- 0x28, 0x4D, /* LDR.N R5, ??u32DummyRead */
+ /* u32_dummy_read = fm3_FLASH_IF->FASZ; */
+ 0x28, 0x4D, /* LDR.N R5, ??u32_dummy_read */
0x5F, 0xF0, 0x80, 0x46, /* MOVS.W R6, #(fm3_FLASH_IF->FASZ) */
0x36, 0x68, /* LDR R6, [R6] */
0x2E, 0x60, /* STR R6, [R5] */
0x55, 0xF0, 0x02, 0x05, /* ORRS.W R5, R5, #2 */
0x5F, 0xF0, 0x80, 0x46, /* MOVS.W R6, #(fm3_FLASH_IF->FASZ) */
0x35, 0x60, /* STR R5, [R6] */
- /* u32DummyRead = fm3_FLASH_IF->FASZ; */
- 0x04, 0x4D, /* LDR.N R5, ??u32DummyRead */
+ /* u32_dummy_read = fm3_FLASH_IF->FASZ; */
+ 0x04, 0x4D, /* LDR.N R5, ??u32_dummy_read */
0x5F, 0xF0, 0x80, 0x46, /* MOVS.W R6, #(fm3_FLASH_IF->FASZ) */
0x36, 0x68, /* LDR R6, [R6] */
0x2E, 0x60, /* STR R6, [R5] */
/* SRAM basic-address + 8.These address pointers will be patched, if a */
/* different start address in RAM is used (e.g. for Flash type 2)! */
/* Default SRAM basic-address is 0x20000000. */
- 0x00, 0x00, 0x00, 0x20, /* u32DummyRead address in RAM (0x20000000) */
+ 0x00, 0x00, 0x00, 0x20, /* u32_dummy_read address in RAM (0x20000000) */
0x04, 0x00, 0x00, 0x20 /* u32FlashResult address in RAM (0x20000004) */
};
return retval;
/* Patching 'local variable address' */
- /* Algorithm: u32DummyRead: */
+ /* Algorithm: u32_dummy_read: */
retval = target_write_u32(target, (write_algorithm->address + 8)
+ sizeof(fm3_flash_write_code) - 8, (write_algorithm->address));
if (retval != ERROR_OK)
buf_set_u32(reg_params[0].value, 0, 32, source->address);
buf_set_u32(reg_params[1].value, 0, 32, address);
buf_set_u32(reg_params[2].value, 0, 32, thisrun_count);
- buf_set_u32(reg_params[3].value, 0, 32, u32FlashSeqAddress1);
- buf_set_u32(reg_params[4].value, 0, 32, u32FlashSeqAddress2);
+ buf_set_u32(reg_params[3].value, 0, 32, u32_flash_seq_address1);
+ buf_set_u32(reg_params[4].value, 0, 32, u32_flash_seq_address2);
retval = target_run_algorithm(target, 0, NULL, 6, reg_params,
(write_algorithm->address + 8), 0, 1000, &armv7m_info);
*/
num_pages = 10; /* max number of Flash pages for malloc */
- fm3_info->probed = 0;
+ fm3_info->probed = false;
bank->sectors = malloc(sizeof(struct flash_sector) * num_pages);
bank->base = 0x00000000;
bank->sectors[1].is_erased = -1;
bank->sectors[1].is_protected = -1;
- if ((fm3_info->variant == mb9bfxx1)
- || (fm3_info->variant == mb9afxx1)) {
+ if ((fm3_info->variant == MB9BFXX1)
+ || (fm3_info->variant == MB9AFXX1)) {
num_pages = 3;
bank->size = 64 * 1024; /* bytes */
bank->num_sectors = num_pages;
bank->sectors[2].is_protected = -1;
}
- if ((fm3_info->variant == mb9bfxx2)
- || (fm3_info->variant == mb9bfxx4)
- || (fm3_info->variant == mb9bfxx5)
- || (fm3_info->variant == mb9bfxx6)
- || (fm3_info->variant == mb9bfxx7)
- || (fm3_info->variant == mb9bfxx8)
- || (fm3_info->variant == mb9afxx2)
- || (fm3_info->variant == mb9afxx4)
- || (fm3_info->variant == mb9afxx5)
- || (fm3_info->variant == mb9afxx6)
- || (fm3_info->variant == mb9afxx7)
- || (fm3_info->variant == mb9afxx8)) {
+ if ((fm3_info->variant == MB9BFXX2)
+ || (fm3_info->variant == MB9BFXX4)
+ || (fm3_info->variant == MB9BFXX5)
+ || (fm3_info->variant == MB9BFXX6)
+ || (fm3_info->variant == MB9BFXX7)
+ || (fm3_info->variant == MB9BFXX8)
+ || (fm3_info->variant == MB9AFXX2)
+ || (fm3_info->variant == MB9AFXX4)
+ || (fm3_info->variant == MB9AFXX5)
+ || (fm3_info->variant == MB9AFXX6)
+ || (fm3_info->variant == MB9AFXX7)
+ || (fm3_info->variant == MB9AFXX8)) {
num_pages = 3;
bank->size = 128 * 1024; /* bytes */
bank->num_sectors = num_pages;
bank->sectors[2].is_protected = -1;
}
- if ((fm3_info->variant == mb9bfxx4)
- || (fm3_info->variant == mb9bfxx5)
- || (fm3_info->variant == mb9bfxx6)
- || (fm3_info->variant == mb9bfxx7)
- || (fm3_info->variant == mb9bfxx8)
- || (fm3_info->variant == mb9afxx4)
- || (fm3_info->variant == mb9afxx5)
- || (fm3_info->variant == mb9afxx6)
- || (fm3_info->variant == mb9afxx7)
- || (fm3_info->variant == mb9afxx8)) {
+ if ((fm3_info->variant == MB9BFXX4)
+ || (fm3_info->variant == MB9BFXX5)
+ || (fm3_info->variant == MB9BFXX6)
+ || (fm3_info->variant == MB9BFXX7)
+ || (fm3_info->variant == MB9BFXX8)
+ || (fm3_info->variant == MB9AFXX4)
+ || (fm3_info->variant == MB9AFXX5)
+ || (fm3_info->variant == MB9AFXX6)
+ || (fm3_info->variant == MB9AFXX7)
+ || (fm3_info->variant == MB9AFXX8)) {
num_pages = 4;
bank->size = 256 * 1024; /* bytes */
bank->num_sectors = num_pages;
bank->sectors[3].is_protected = -1;
}
- if ((fm3_info->variant == mb9bfxx5)
- || (fm3_info->variant == mb9bfxx6)
- || (fm3_info->variant == mb9bfxx7)
- || (fm3_info->variant == mb9bfxx8)
- || (fm3_info->variant == mb9afxx5)
- || (fm3_info->variant == mb9afxx6)
- || (fm3_info->variant == mb9afxx7)
- || (fm3_info->variant == mb9afxx8)) {
+ if ((fm3_info->variant == MB9BFXX5)
+ || (fm3_info->variant == MB9BFXX6)
+ || (fm3_info->variant == MB9BFXX7)
+ || (fm3_info->variant == MB9BFXX8)
+ || (fm3_info->variant == MB9AFXX5)
+ || (fm3_info->variant == MB9AFXX6)
+ || (fm3_info->variant == MB9AFXX7)
+ || (fm3_info->variant == MB9AFXX8)) {
num_pages = 5;
bank->size = 384 * 1024; /* bytes */
bank->num_sectors = num_pages;
bank->sectors[4].is_protected = -1;
}
- if ((fm3_info->variant == mb9bfxx6)
- || (fm3_info->variant == mb9bfxx7)
- || (fm3_info->variant == mb9bfxx8)
- || (fm3_info->variant == mb9afxx6)
- || (fm3_info->variant == mb9afxx7)
- || (fm3_info->variant == mb9afxx8)) {
+ if ((fm3_info->variant == MB9BFXX6)
+ || (fm3_info->variant == MB9BFXX7)
+ || (fm3_info->variant == MB9BFXX8)
+ || (fm3_info->variant == MB9AFXX6)
+ || (fm3_info->variant == MB9AFXX7)
+ || (fm3_info->variant == MB9AFXX8)) {
num_pages = 6;
bank->size = 512 * 1024; /* bytes */
bank->num_sectors = num_pages;
bank->sectors[5].is_protected = -1;
}
- if ((fm3_info->variant == mb9bfxx7)
- || (fm3_info->variant == mb9bfxx8)
- || (fm3_info->variant == mb9afxx7)
- || (fm3_info->variant == mb9afxx8)) {
+ if ((fm3_info->variant == MB9BFXX7)
+ || (fm3_info->variant == MB9BFXX8)
+ || (fm3_info->variant == MB9AFXX7)
+ || (fm3_info->variant == MB9AFXX8)) {
num_pages = 8;
bank->size = 768 * 1024; /* bytes */
bank->num_sectors = num_pages;
bank->sectors[7].is_protected = -1;
}
- if ((fm3_info->variant == mb9bfxx8)
- || (fm3_info->variant == mb9afxx8)) {
+ if ((fm3_info->variant == MB9BFXX8)
+ || (fm3_info->variant == MB9AFXX8)) {
num_pages = 10;
bank->size = 1024 * 1024; /* bytes */
bank->num_sectors = num_pages;
bank->sectors[9].is_protected = -1;
}
- fm3_info->probed = 1;
+ fm3_info->probed = true;
return ERROR_OK;
}
struct target *target = bank->target;
struct fm3_flash_bank *fm3_info2 = bank->driver_priv;
int retval = ERROR_OK;
- uint32_t u32DummyRead;
- uint32_t u32FlashType;
- uint32_t u32FlashSeqAddress1;
- uint32_t u32FlashSeqAddress2;
+ uint32_t u32_dummy_read;
+ uint32_t u32_flash_type;
+ uint32_t u32_flash_seq_address1;
+ uint32_t u32_flash_seq_address2;
- u32FlashType = (uint32_t) fm3_info2->flashtype;
+ struct working_area *write_algorithm;
+ struct reg_param reg_params[3];
+ struct armv7m_algorithm armv7m_info;
- if (u32FlashType == fm3_flash_type1) {
+ u32_flash_type = (uint32_t) fm3_info2->flashtype;
+
+ if (u32_flash_type == FM3_FLASH_TYPE1) {
LOG_INFO("*** Erasing mb9bfxxx type");
- u32FlashSeqAddress1 = 0x00001550;
- u32FlashSeqAddress2 = 0x00000AA8;
- } else if (u32FlashType == fm3_flash_type2) {
+ u32_flash_seq_address1 = 0x00001550;
+ u32_flash_seq_address2 = 0x00000AA8;
+ } else if (u32_flash_type == FM3_FLASH_TYPE2) {
LOG_INFO("*** Erasing mb9afxxx type");
- u32FlashSeqAddress1 = 0x00000AA8;
- u32FlashSeqAddress2 = 0x00000554;
+ u32_flash_seq_address1 = 0x00000AA8;
+ u32_flash_seq_address2 = 0x00000554;
} else {
LOG_ERROR("Flash/Device type unknown!");
return ERROR_FLASH_OPERATION_FAILED;
return ERROR_TARGET_NOT_HALTED;
}
+ /* RAMCODE used for fm3 Flash chip erase: */
+ /* R0 keeps Flash Sequence address 1 (u32FlashSeq1) */
+ /* R1 keeps Flash Sequence address 2 (u32FlashSeq2) */
+ static const uint8_t fm3_flash_erase_chip_code[] = {
+ /* *(uint16_t*)u32FlashSeq1 = 0xAA; */
+ 0xAA, 0x22, /* MOVS R2, #0xAA */
+ 0x02, 0x80, /* STRH R2, [R0, #0] */
+ /* *(uint16_t*)u32FlashSeq2 = 0x55; */
+ 0x55, 0x23, /* MOVS R3, #0x55 */
+ 0x0B, 0x80, /* STRH R3, [R1, #0] */
+ /* *(uint16_t*)u32FlashSeq1 = 0x80; */
+ 0x80, 0x24, /* MOVS R4, #0x80 */
+ 0x04, 0x80, /* STRH R4, [R0, #0] */
+ /* *(uint16_t*)u32FlashSeq1 = 0xAA; */
+ 0x02, 0x80, /* STRH R2, [R0, #0] */
+ /* *(uint16_t*)u32FlashSeq2 = 0x55; */
+ 0x0B, 0x80, /* STRH R3, [R1, #0] */
+ /* Chip_Erase Command 0x10 */
+ /* *(uint16_t*)u32FlashSeq1 = 0x10; */
+ 0x10, 0x21, /* MOVS R1, #0x10 */
+ 0x01, 0x80, /* STRH R1, [R0, #0] */
+ /* End Code */
+ 0x00, 0xBE, /* BKPT #0 */
+ };
+
LOG_INFO("Fujitsu MB9[A/B]xxx: Chip Erase ... (may take several seconds)");
- /* FASZR = 0x01, Enables CPU Programming Mode (16-bit Flash access) */
- retval = target_write_u32(target, 0x40000000, 0x0001);
+ /* disable HW watchdog */
+ retval = target_write_u32(target, 0x40011C00, 0x1ACCE551);
if (retval != ERROR_OK)
return retval;
- /* dummy read of FASZR */
- retval = target_read_u32(target, 0x40000000, &u32DummyRead);
+ retval = target_write_u32(target, 0x40011C00, 0xE5331AAE);
if (retval != ERROR_OK)
return retval;
- /* Flash unlock sequence */
- retval = target_write_u16(target, u32FlashSeqAddress1, 0x00AA);
+ retval = target_write_u32(target, 0x40011008, 0x00000000);
if (retval != ERROR_OK)
return retval;
- retval = target_write_u16(target, u32FlashSeqAddress2, 0x0055);
+ /* FASZR = 0x01, Enables CPU Programming Mode (16-bit Flash access) */
+ retval = target_write_u32(target, 0x40000000, 0x0001);
if (retval != ERROR_OK)
return retval;
- retval = target_write_u16(target, u32FlashSeqAddress1, 0x0080);
+ /* dummy read of FASZR */
+ retval = target_read_u32(target, 0x40000000, &u32_dummy_read);
if (retval != ERROR_OK)
return retval;
- retval = target_write_u16(target, u32FlashSeqAddress1, 0x00AA);
+ /* allocate working area with flash chip erase code */
+ if (target_alloc_working_area(target, sizeof(fm3_flash_erase_chip_code),
+ &write_algorithm) != ERROR_OK) {
+ LOG_WARNING("no working area available, can't do block memory writes");
+ return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
+ }
+ retval = target_write_buffer(target, write_algorithm->address,
+ sizeof(fm3_flash_erase_chip_code), fm3_flash_erase_chip_code);
if (retval != ERROR_OK)
return retval;
- retval = target_write_u16(target, u32FlashSeqAddress2, 0x0055);
- if (retval != ERROR_OK)
- return retval;
+ armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
+ armv7m_info.core_mode = ARM_MODE_THREAD;
- /* Chip Erase command (0x0010) */
- retval = target_write_u16(target, u32FlashSeqAddress1, 0x0010);
- if (retval != ERROR_OK)
+ init_reg_param(®_params[0], "r0", 32, PARAM_OUT); /* u32_flash_seq_address1 */
+ init_reg_param(®_params[1], "r1", 32, PARAM_OUT); /* u32_flash_seq_address2 */
+
+ buf_set_u32(reg_params[0].value, 0, 32, u32_flash_seq_address1);
+ buf_set_u32(reg_params[1].value, 0, 32, u32_flash_seq_address2);
+
+ retval = target_run_algorithm(target, 0, NULL, 2, reg_params,
+ write_algorithm->address, 0, 100000, &armv7m_info);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("Error executing flash erase programming algorithm");
+ retval = ERROR_FLASH_OPERATION_FAILED;
return retval;
+ }
- retval = fm3_busy_wait(target, u32FlashSeqAddress2, 20000); /* 20s timeout */
+ target_free_working_area(target, write_algorithm);
+
+ destroy_reg_param(®_params[0]);
+ destroy_reg_param(®_params[1]);
+
+ retval = fm3_busy_wait(target, u32_flash_seq_address2, 20000); /* 20s timeout */
if (retval != ERROR_OK)
return retval;
if (retval != ERROR_OK)
return retval;
- retval = target_read_u32(target, 0x40000000, &u32DummyRead); /* dummy read of FASZR */
+ retval = target_read_u32(target, 0x40000000, &u32_dummy_read); /* dummy read of FASZR */
return retval;
}
COMMAND_HANDLER(fm3_handle_chip_erase_command)
{
- int i;
-
if (CMD_ARGC < 1)
return ERROR_COMMAND_SYNTAX_ERROR;
struct flash_bank *bank;
int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &bank);
- if (ERROR_OK != retval)
+ if (retval != ERROR_OK)
return retval;
if (fm3_chip_erase(bank) == ERROR_OK) {
- /* set all sectors as erased */
- for (i = 0; i < bank->num_sectors; i++)
- bank->sectors[i].is_erased = 1;
-
- command_print(CMD_CTX, "fm3 chip erase complete");
+ command_print(CMD, "fm3 chip erase complete");
} else {
- command_print(CMD_CTX, "fm3 chip erase failed");
+ command_print(CMD, "fm3 chip erase failed");
}
return ERROR_OK;
COMMAND_REGISTRATION_DONE
};
-struct flash_driver fm3_flash = {
+const struct flash_driver fm3_flash = {
.name = "fm3",
.commands = fm3_command_handlers,
.flash_bank_command = fm3_flash_bank_command,
.probe = fm3_probe,
.auto_probe = fm3_auto_probe,
.erase_check = default_flash_blank_check,
+ .free_driver_priv = default_flash_free_driver_priv,
};
projects / fw / openocd / blobdiff