--- /dev/null
+/* To be built with arm-none-eabi-gcc -c -mthumb -mcpu=cortex-m0 -O3 bluenrgx.c */
+/* Then postprocess output of command "arm-none-eabi-objdump -d bluenrgx.o" to make a C array of bytes */
+
+#include <stdint.h>
+
+/* Status Values ----------------------------------------------------------*/
+#define SUCCESS 0
+#define ERR_UNALIGNED 1
+#define ERR_INVALID_ADDRESS 2
+#define ERR_INVALID_TYPE 3
+#define ERR_WRITE_PROTECTED 4
+#define ERR_WRITE_FAILED 5
+#define ERR_ERASE_REQUIRED 6
+#define ERR_VERIFY_FAILED 7
+
+/* Flash Controller defines ---------------------------------------------------*/
+#define FLASH_REG_COMMAND ((volatile uint32_t *)0x40100000)
+#define FLASH_REG_CONFIG ((volatile uint32_t *)0x40100004)
+#define FLASH_REG_IRQSTAT ((volatile uint32_t *)0x40100008)
+#define FLASH_REG_IRQMASK ((volatile uint32_t *)0x4010000C)
+#define FLASH_REG_IRQRAW ((volatile uint32_t *)0x40100010)
+#define FLASH_REG_ADDRESS ((volatile uint32_t *)0x40100018)
+#define FLASH_REG_UNLOCKM ((volatile uint32_t *)0x4010001C)
+#define FLASH_REG_UNLOCKL ((volatile uint32_t *)0x40100020)
+#define FLASH_REG_DATA0 ((volatile uint32_t *)0x40100040)
+#define FLASH_REG_DATA1 ((volatile uint32_t *)0x40100044)
+#define FLASH_REG_DATA2 ((volatile uint32_t *)0x40100048)
+#define FLASH_REG_DATA3 ((volatile uint32_t *)0x4010004C)
+#define FLASH_SIZE_REG 0x40100014
+
+#define MFB_MASS_ERASE 0x01
+#define MFB_PAGE_ERASE 0x02
+
+#define DO_ERASE 0x0100
+#define DO_VERIFY 0x0200
+#define FLASH_CMD_ERASE_PAGE 0x11
+#define FLASH_CMD_MASSERASE 0x22
+#define FLASH_CMD_WRITE 0x33
+#define FLASH_CMD_BURSTWRITE 0xCC
+#define FLASH_INT_CMDDONE 0x01
+#define MFB_BOTTOM (0x10040000)
+#define MFB_SIZE_B ((16 * (((*(uint32_t *) FLASH_SIZE_REG) + 1) >> 12)) * 1024)
+#define MFB_SIZE_W (MFB_SIZE_B/4)
+#define MFB_TOP (MFB_BOTTOM+MFB_SIZE_B-1)
+#define MFB_PAGE_SIZE_B (2048)
+#define MFB_PAGE_SIZE_W (MFB_PAGE_SIZE_B/4)
+
+#define AREA_ERROR 0x01
+#define AREA_MFB 0x04
+
+#define FLASH_WORD_LEN 4
+
+typedef struct {
+ volatile uint8_t *wp;
+ uint8_t *rp;
+} work_area_t;
+
+/* Flash Commands --------------------------------------------------------*/
+static inline __attribute__((always_inline)) uint32_t flashWrite(uint32_t address, uint8_t **data,
+ uint32_t writeLength)
+{
+ uint32_t index, flash_word[4];
+ uint8_t i;
+
+ *FLASH_REG_IRQMASK = 0;
+ for (index = 0; index < writeLength; index += (FLASH_WORD_LEN*4)) {
+ for (i = 0; i < 4; i++)
+ flash_word[i] = (*(uint32_t *) (*data + i*4));
+
+ /* Clear the IRQ flags */
+ *FLASH_REG_IRQRAW = 0x0000003F;
+ /* Load the flash address to write */
+ *FLASH_REG_ADDRESS = (uint16_t)((address + index) >> 2);
+ /* Prepare and load the data to flash */
+ *FLASH_REG_DATA0 = flash_word[0];
+ *FLASH_REG_DATA1 = flash_word[1];
+ *FLASH_REG_DATA2 = flash_word[2];
+ *FLASH_REG_DATA3 = flash_word[3];
+ /* Flash write command */
+ *FLASH_REG_COMMAND = FLASH_CMD_BURSTWRITE;
+ /* Wait the end of the flash write command */
+ while ((*FLASH_REG_IRQRAW & FLASH_INT_CMDDONE) == 0)
+ ;
+ *data += (FLASH_WORD_LEN * 4);
+ }
+
+ return SUCCESS;
+}
+
+__attribute__((naked)) __attribute__((noreturn)) void write(uint8_t *work_area_p,
+ uint8_t *fifo_end,
+ uint8_t *target_address,
+ uint32_t count)
+{
+ uint32_t retval;
+ volatile work_area_t *work_area = (work_area_t *) work_area_p;
+ uint8_t *fifo_start = (uint8_t *) work_area->rp;
+
+ while (count) {
+ volatile int32_t fifo_linear_size;
+
+ /* Wait for some data in the FIFO */
+ while (work_area->rp == work_area->wp)
+ ;
+ if (work_area->wp == 0) {
+ /* Aborted by other party */
+ break;
+ }
+ if (work_area->rp > work_area->wp) {
+ fifo_linear_size = fifo_end-work_area->rp;
+ } else {
+ fifo_linear_size = (work_area->wp - work_area->rp);
+ if (fifo_linear_size < 0)
+ fifo_linear_size = 0;
+ }
+ if (fifo_linear_size < 16) {
+ /* We should never get here */
+ continue;
+ }
+
+ retval = flashWrite((uint32_t) target_address, (uint8_t **) &work_area->rp, fifo_linear_size);
+ if (retval != SUCCESS) {
+ work_area->rp = (uint8_t *)retval;
+ break;
+ }
+ target_address += fifo_linear_size;
+ if (work_area->rp >= fifo_end)
+ work_area->rp = fifo_start;
+ count -= fifo_linear_size;
+ }
+ __asm("bkpt 0");
+}
--- /dev/null
+/* Autogenerated with ../../../../src/helper/bin2char.sh */
+0x05,0x93,0x43,0x68,0x05,0x00,0x07,0x93,0x05,0x9b,0x06,0x91,0x03,0x92,0x35,0x4c,
+0x00,0x2b,0x5c,0xd0,0x6a,0x68,0x2b,0x68,0x9a,0x42,0xfb,0xd0,0x2b,0x68,0x00,0x2b,
+0x55,0xd0,0x6a,0x68,0x2b,0x68,0x9a,0x42,0x52,0xd9,0x6b,0x68,0x06,0x9a,0xd3,0x1a,
+0x09,0x93,0x09,0x9b,0x0f,0x2b,0xed,0xdd,0x00,0x21,0x09,0x9b,0x04,0x93,0x1a,0x1e,
+0x29,0x4b,0x19,0x60,0x32,0xd0,0x29,0x4b,0x00,0x20,0x98,0x46,0x28,0x4b,0x6a,0x68,
+0x9c,0x46,0x28,0x4b,0x28,0x4e,0x9b,0x46,0x28,0x4b,0x9a,0x46,0x28,0x4b,0x99,0x46,
+0x01,0x23,0x51,0x68,0x17,0x68,0x00,0x91,0x91,0x68,0x01,0x91,0xd1,0x68,0x02,0x91,
+0x3f,0x21,0x21,0x60,0x03,0x99,0x09,0x18,0x89,0x03,0x09,0x0c,0x31,0x60,0x41,0x46,
+0x0f,0x60,0x67,0x46,0x00,0x99,0x39,0x60,0x5f,0x46,0x01,0x99,0x39,0x60,0x57,0x46,
+0x02,0x99,0x39,0x60,0x49,0x46,0xcc,0x27,0x0f,0x60,0x21,0x68,0x0b,0x42,0xfc,0xd0,
+0x04,0x99,0x10,0x32,0x10,0x30,0x6a,0x60,0x81,0x42,0xda,0xd8,0x03,0x9a,0x09,0x9b,
+0x94,0x46,0x9c,0x44,0x63,0x46,0x06,0x9a,0x03,0x93,0x6b,0x68,0x9a,0x42,0x01,0xd8,
+0x07,0x9b,0x6b,0x60,0x05,0x9a,0x09,0x9b,0xd3,0x1a,0x05,0x93,0xa2,0xd1,0x00,0xbe,
+0x2b,0x68,0x6a,0x68,0x9b,0x1a,0x09,0x93,0x09,0x9b,0x00,0x2b,0xa9,0xda,0x00,0x23,
+0x09,0x93,0xa6,0xe7,0x10,0x00,0x10,0x40,0x0c,0x00,0x10,0x40,0x40,0x00,0x10,0x40,
+0x44,0x00,0x10,0x40,0x48,0x00,0x10,0x40,0x18,0x00,0x10,0x40,0x4c,0x00,0x10,0x40,
+0x00,0x00,0x10,0x40,
--- /dev/null
+/***************************************************************************
+ * Copyright (C) 2017 by Michele Sardo *
+ * msmttchr@gmail.com *
+ * *
+ * 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, see <http://www.gnu.org/licenses/>. *
+ ***************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <target/algorithm.h>
+#include <target/armv7m.h>
+#include <target/cortex_m.h>
+#include "imp.h"
+
+#define FLASH_SIZE_REG (0x40100014)
+#define DIE_ID_REG (0x4090001C)
+#define JTAG_IDCODE_REG (0x40900028)
+#define BLUENRG2_IDCODE (0x0200A041)
+#define FLASH_BASE (0x10040000)
+#define FLASH_PAGE_SIZE (2048)
+#define FLASH_REG_COMMAND (0x40100000)
+#define FLASH_REG_IRQRAW (0x40100010)
+#define FLASH_REG_ADDRESS (0x40100018)
+#define FLASH_REG_DATA (0x40100040)
+#define FLASH_CMD_ERASE_PAGE 0x11
+#define FLASH_CMD_MASSERASE 0x22
+#define FLASH_CMD_WRITE 0x33
+#define FLASH_CMD_BURSTWRITE 0xCC
+#define FLASH_INT_CMDDONE 0x01
+#define FLASH_WORD_LEN 4
+
+struct bluenrgx_flash_bank {
+ int probed;
+ uint32_t idcode;
+ uint32_t die_id;
+};
+
+static int bluenrgx_protect_check(struct flash_bank *bank)
+{
+ /* Nothing to do. Protection is only handled in SW. */
+ return ERROR_OK;
+}
+
+/* flash_bank bluenrg-x 0 0 0 0 <target#> */
+FLASH_BANK_COMMAND_HANDLER(bluenrgx_flash_bank_command)
+{
+ struct bluenrgx_flash_bank *bluenrgx_info;
+ /* Create the bank structure */
+ bluenrgx_info = calloc(1, sizeof(*bluenrgx_info));
+
+ /* Check allocation */
+ if (bluenrgx_info == NULL) {
+ LOG_ERROR("failed to allocate bank structure");
+ return ERROR_FAIL;
+ }
+
+ bank->driver_priv = bluenrgx_info;
+
+ bluenrgx_info->probed = 0;
+
+ if (CMD_ARGC < 6)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ return ERROR_OK;
+}
+
+static int bluenrgx_erase(struct flash_bank *bank, int first, int last)
+{
+ int retval = ERROR_OK;
+ struct bluenrgx_flash_bank *bluenrgx_info = bank->driver_priv;
+ int num_sectors = (last - first + 1);
+ int mass_erase = (num_sectors == bank->num_sectors);
+ struct target *target = bank->target;
+ uint32_t address, command;
+
+ /* check preconditions */
+ if (bluenrgx_info->probed == 0)
+ return ERROR_FLASH_BANK_NOT_PROBED;
+
+ if (bank->target->state != TARGET_HALTED) {
+ LOG_ERROR("Target not halted");
+ return ERROR_TARGET_NOT_HALTED;
+ }
+ /* Disable blue module */
+ if (target_write_u32(target, 0x200000c0, 0) != ERROR_OK) {
+ LOG_ERROR("Blue disable failed");
+ return ERROR_FAIL;
+ }
+
+ if (mass_erase) {
+ command = FLASH_CMD_MASSERASE;
+ address = bank->base;
+ if (target_write_u32(target, FLASH_REG_IRQRAW, 0x3f) != ERROR_OK) {
+ LOG_ERROR("Register write failed");
+ return ERROR_FAIL;
+ }
+
+ if (target_write_u32(target, FLASH_REG_ADDRESS, address >> 2) != ERROR_OK) {
+ LOG_ERROR("Register write failed");
+ return ERROR_FAIL;
+ }
+
+ if (target_write_u32(target, FLASH_REG_COMMAND, command) != ERROR_OK) {
+ LOG_ERROR("Register write failed");
+ return ERROR_FAIL;
+ }
+
+ for (int i = 0; i < 100; i++) {
+ uint32_t value;
+ if (target_read_u32(target, FLASH_REG_IRQRAW, &value)) {
+ LOG_ERROR("Register write failed");
+ return ERROR_FAIL;
+ }
+ if (value & FLASH_INT_CMDDONE)
+ break;
+ if (i == 99) {
+ LOG_ERROR("Mass erase command failed (timeout)");
+ retval = ERROR_FAIL;
+ }
+ }
+
+ } else {
+ command = FLASH_CMD_ERASE_PAGE;
+ for (int i = first; i <= last; i++) {
+ address = bank->base+i*FLASH_PAGE_SIZE;
+
+ if (target_write_u32(target, FLASH_REG_IRQRAW, 0x3f) != ERROR_OK) {
+ LOG_ERROR("Register write failed");
+ return ERROR_FAIL;
+ }
+
+ if (target_write_u32(target, FLASH_REG_ADDRESS, address >> 2) != ERROR_OK) {
+ LOG_ERROR("Register write failed");
+ return ERROR_FAIL;
+ }
+
+ if (target_write_u32(target, FLASH_REG_COMMAND, command) != ERROR_OK) {
+ LOG_ERROR("Failed");
+ return ERROR_FAIL;
+ }
+
+ for (int j = 0; j < 100; j++) {
+ uint32_t value;
+ if (target_read_u32(target, FLASH_REG_IRQRAW, &value)) {
+ LOG_ERROR("Register write failed");
+ return ERROR_FAIL;
+ }
+ if (value & FLASH_INT_CMDDONE)
+ break;
+ if (j == 99) {
+ LOG_ERROR("Erase command failed (timeout)");
+ retval = ERROR_FAIL;
+ }
+ }
+ }
+ }
+
+ return retval;
+
+}
+
+static int bluenrgx_protect(struct flash_bank *bank, int set, int first, int last)
+{
+ /* Protection is only handled in software: no hardware write protection
+ available in BlueNRG-x devices */
+ int sector;
+
+ for (sector = first; sector <= last; sector++)
+ bank->sectors[sector].is_protected = set;
+ return ERROR_OK;
+}
+static int bluenrgx_write_word(struct target *target, uint32_t address_base, uint8_t *values, uint32_t count)
+{
+ int retval = ERROR_OK;
+
+ retval = target_write_u32(target, FLASH_REG_IRQRAW, 0x3f);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("Register write failed, error code: %d", retval);
+ return retval;
+ }
+
+ for (uint32_t i = 0; i < count; i++) {
+ uint32_t address = address_base + i * FLASH_WORD_LEN;
+
+ retval = target_write_u32(target, FLASH_REG_ADDRESS, address >> 2);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("Register write failed, error code: %d", retval);
+ return retval;
+ }
+
+ retval = target_write_buffer(target, FLASH_REG_DATA, FLASH_WORD_LEN, values + i * FLASH_WORD_LEN);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("Register write failed, error code: %d", retval);
+ return retval;
+ }
+
+ retval = target_write_u32(target, FLASH_REG_COMMAND, FLASH_CMD_WRITE);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("Register write failed, error code: %d", retval);
+ return retval;
+ }
+
+ for (int j = 0; j < 100; j++) {
+ uint32_t reg_value;
+ retval = target_read_u32(target, FLASH_REG_IRQRAW, ®_value);
+
+ if (retval != ERROR_OK) {
+ LOG_ERROR("Register read failed, error code: %d", retval);
+ return retval;
+ }
+
+ if (reg_value & FLASH_INT_CMDDONE)
+ break;
+
+ if (j == 99) {
+ LOG_ERROR("Write command failed (timeout)");
+ return ERROR_FAIL;
+ }
+ }
+ }
+ return retval;
+}
+
+static int bluenrgx_write_bytes(struct target *target, uint32_t address_base, uint8_t *buffer, uint32_t count)
+{
+ int retval = ERROR_OK;
+ uint8_t *new_buffer = NULL;
+ uint32_t pre_bytes = 0, post_bytes = 0, pre_word, post_word, pre_address, post_address;
+
+ if (count == 0) {
+ /* Just return if there are no bytes to write */
+ return retval;
+ }
+
+ if (address_base & 3) {
+ pre_bytes = address_base & 3;
+ pre_address = address_base - pre_bytes;
+ }
+
+ if ((count + pre_bytes) & 3) {
+ post_bytes = ((count + pre_bytes + 3) & ~3) - (count + pre_bytes);
+ post_address = (address_base + count) & ~3;
+ }
+
+ if (pre_bytes || post_bytes) {
+ uint32_t old_count = count;
+
+ count = old_count + pre_bytes + post_bytes;
+
+ new_buffer = malloc(count);
+
+ if (new_buffer == NULL) {
+ LOG_ERROR("odd number of bytes to write and no memory "
+ "for padding buffer");
+ return ERROR_FAIL;
+ }
+
+ LOG_INFO("Requested number of bytes to write and/or address not word aligned (%" PRIu32 "), extending to %"
+ PRIu32 " ", old_count, count);
+
+ if (pre_bytes) {
+ if (target_read_u32(target, pre_address, &pre_word)) {
+ LOG_ERROR("Memory read failed");
+ return ERROR_FAIL;
+ }
+
+ }
+
+ if (post_bytes) {
+ if (target_read_u32(target, post_address, &post_word)) {
+ LOG_ERROR("Memory read failed");
+ return ERROR_FAIL;
+ }
+
+ }
+
+ memcpy(new_buffer, &pre_word, pre_bytes);
+ memcpy((new_buffer+((pre_bytes+old_count) & ~3)), &post_word, 4);
+ memcpy(new_buffer+pre_bytes, buffer, old_count);
+ buffer = new_buffer;
+ }
+
+ retval = bluenrgx_write_word(target, address_base - pre_bytes, buffer, count/4);
+
+ if (new_buffer)
+ free(new_buffer);
+
+ return retval;
+}
+
+static int bluenrgx_write(struct flash_bank *bank, const uint8_t *buffer,
+ uint32_t offset, uint32_t count)
+{
+ struct target *target = bank->target;
+ uint32_t buffer_size = 16384 + 8;
+ struct working_area *write_algorithm;
+ struct working_area *write_algorithm_sp;
+ struct working_area *source;
+ uint32_t address = bank->base + offset;
+ struct reg_param reg_params[5];
+ struct armv7m_algorithm armv7m_info;
+ int retval = ERROR_OK;
+ uint32_t pre_size = 0, fast_size = 0, post_size = 0;
+ uint32_t pre_offset = 0, fast_offset = 0, post_offset = 0;
+
+ /* See contrib/loaders/flash/bluenrg-x/bluenrg-x_write.c for source and
+ * hints how to generate the data!
+ */
+ static const uint8_t bluenrgx_flash_write_code[] = {
+#include "../../../contrib/loaders/flash/bluenrg-x/bluenrg-x_write.inc"
+ };
+
+ if ((offset + count) > bank->size) {
+ LOG_ERROR("Requested write past beyond of flash size: (offset+count) = %d, size=%d",
+ (offset + count),
+ bank->size);
+ return ERROR_FLASH_DST_OUT_OF_BANK;
+ }
+
+ if (bank->target->state != TARGET_HALTED) {
+ LOG_ERROR("Target not halted");
+ return ERROR_TARGET_NOT_HALTED;
+ }
+
+ /* We are good here and we need to compute pre_size, fast_size, post_size */
+ pre_size = MIN(count, ((offset+0xF) & ~0xF) - offset);
+ pre_offset = offset;
+ fast_size = 16*((count - pre_size) / 16);
+ fast_offset = offset + pre_size;
+ post_size = (count-pre_size-fast_size) % 16;
+ post_offset = fast_offset + fast_size;
+
+ LOG_DEBUG("pre_size = %08x, pre_offset=%08x", pre_size, pre_offset);
+ LOG_DEBUG("fast_size = %08x, fast_offset=%08x", fast_size, fast_offset);
+ LOG_DEBUG("post_size = %08x, post_offset=%08x", post_size, post_offset);
+
+ /* Program initial chunk not 16 bytes aligned */
+ retval = bluenrgx_write_bytes(target, bank->base+pre_offset, (uint8_t *) buffer, pre_size);
+ if (retval) {
+ LOG_ERROR("bluenrgx_write_bytes failed %d", retval);
+ return ERROR_FAIL;
+ }
+
+ /* Program chunk 16 bytes aligned in fast mode */
+ if (fast_size) {
+
+ if (target_alloc_working_area(target, sizeof(bluenrgx_flash_write_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(bluenrgx_flash_write_code),
+ bluenrgx_flash_write_code);
+ if (retval != ERROR_OK)
+ return retval;
+
+ /* memory buffer */
+ if (target_alloc_working_area(target, buffer_size, &source)) {
+ LOG_WARNING("no large enough working area available");
+ return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
+ }
+
+ /* Stack pointer area */
+ if (target_alloc_working_area(target, 64,
+ &write_algorithm_sp) != ERROR_OK) {
+ LOG_DEBUG("no working area for write code stack pointer");
+ return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
+ }
+
+ armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
+ armv7m_info.core_mode = ARM_MODE_THREAD;
+
+ init_reg_param(®_params[0], "r0", 32, PARAM_IN_OUT);
+ init_reg_param(®_params[1], "r1", 32, PARAM_OUT);
+ init_reg_param(®_params[2], "r2", 32, PARAM_OUT);
+ init_reg_param(®_params[3], "r3", 32, PARAM_OUT);
+ init_reg_param(®_params[4], "sp", 32, PARAM_OUT);
+
+ /* FIFO start address (first two words used for write and read pointers) */
+ buf_set_u32(reg_params[0].value, 0, 32, source->address);
+ /* FIFO end address (first two words used for write and read pointers) */
+ buf_set_u32(reg_params[1].value, 0, 32, source->address + source->size);
+ /* Flash memory address */
+ buf_set_u32(reg_params[2].value, 0, 32, address+pre_size);
+ /* Number of bytes */
+ buf_set_u32(reg_params[3].value, 0, 32, fast_size);
+ /* Stack pointer for program working area */
+ buf_set_u32(reg_params[4].value, 0, 32, write_algorithm_sp->address);
+
+ LOG_DEBUG("source->address = %08" TARGET_PRIxADDR, source->address);
+ LOG_DEBUG("source->address+ source->size = %08" TARGET_PRIxADDR, source->address+source->size);
+ LOG_DEBUG("write_algorithm_sp->address = %08" TARGET_PRIxADDR, write_algorithm_sp->address);
+ LOG_DEBUG("address = %08x", address+pre_size);
+ LOG_DEBUG("count = %08x", count);
+
+ retval = target_run_flash_async_algorithm(target,
+ buffer+pre_size,
+ fast_size/16,
+ 16, /* Block size: we write in block of 16 bytes to enjoy burstwrite speed */
+ 0,
+ NULL,
+ 5,
+ reg_params,
+ source->address,
+ source->size,
+ write_algorithm->address,
+ 0,
+ &armv7m_info);
+
+ if (retval == ERROR_FLASH_OPERATION_FAILED) {
+ LOG_ERROR("error executing bluenrg-x flash write algorithm");
+
+ uint32_t error = buf_get_u32(reg_params[0].value, 0, 32);
+
+ if (error != 0)
+ LOG_ERROR("flash write failed = %08" PRIx32, error);
+ }
+ if (retval == ERROR_OK) {
+ uint32_t rp;
+ /* Read back rp and check that is valid */
+ retval = target_read_u32(target, source->address+4, &rp);
+ if (retval == ERROR_OK) {
+ if ((rp < source->address+8) || (rp > (source->address + source->size))) {
+ LOG_ERROR("flash write failed = %08" PRIx32, rp);
+ retval = ERROR_FLASH_OPERATION_FAILED;
+ }
+ }
+ }
+ target_free_working_area(target, source);
+ target_free_working_area(target, write_algorithm);
+ target_free_working_area(target, write_algorithm_sp);
+
+ destroy_reg_param(®_params[0]);
+ destroy_reg_param(®_params[1]);
+ destroy_reg_param(®_params[2]);
+ destroy_reg_param(®_params[3]);
+ destroy_reg_param(®_params[4]);
+ }
+
+ /* Program chunk at end, not addressable by fast burst write algorithm */
+ retval = bluenrgx_write_bytes(target, bank->base+post_offset, (uint8_t *) (buffer+pre_size+fast_size), post_size);
+ if (retval) {
+ LOG_ERROR("bluenrgx_write_bytes failed %d", retval);
+ return ERROR_FAIL;
+ }
+ return retval;
+}
+
+static int bluenrgx_probe(struct flash_bank *bank)
+{
+ struct bluenrgx_flash_bank *bluenrgx_info = bank->driver_priv;
+ uint32_t idcode, size_info, die_id;
+ int i;
+ int retval = target_read_u32(bank->target, JTAG_IDCODE_REG, &idcode);
+ if (retval != ERROR_OK)
+ return retval;
+ retval = target_read_u32(bank->target, FLASH_SIZE_REG, &size_info);
+ if (retval != ERROR_OK)
+ return retval;
+
+ retval = target_read_u32(bank->target, DIE_ID_REG, &die_id);
+ if (retval != ERROR_OK)
+ return retval;
+
+ bank->size = (size_info + 1) * 4;
+ bank->base = FLASH_BASE;
+ bank->num_sectors = bank->size/FLASH_PAGE_SIZE;
+ bank->sectors = realloc(bank->sectors, sizeof(struct flash_sector) * bank->num_sectors);
+
+ for (i = 0; i < bank->num_sectors; i++) {
+ bank->sectors[i].offset = i * FLASH_PAGE_SIZE;
+ bank->sectors[i].size = FLASH_PAGE_SIZE;
+ bank->sectors[i].is_erased = -1;
+ bank->sectors[i].is_protected = 0;
+ }
+
+ bluenrgx_info->probed = 1;
+ bluenrgx_info->die_id = die_id;
+ bluenrgx_info->idcode = idcode;
+ return ERROR_OK;
+}
+
+static int bluenrgx_auto_probe(struct flash_bank *bank)
+{
+ struct bluenrgx_flash_bank *bluenrgx_info = bank->driver_priv;
+
+ if (bluenrgx_info->probed)
+ return ERROR_OK;
+
+ return bluenrgx_probe(bank);
+}
+
+/* This method must return a string displaying information about the bank */
+static int bluenrgx_get_info(struct flash_bank *bank, char *buf, int buf_size)
+{
+ struct bluenrgx_flash_bank *bluenrgx_info = bank->driver_priv;
+ int mask_number, cut_number;
+ char *part_name;
+
+ if (!bluenrgx_info->probed) {
+ int retval = bluenrgx_probe(bank);
+ if (retval != ERROR_OK) {
+ snprintf(buf, buf_size,
+ "Unable to find bank information.");
+ return retval;
+ }
+ }
+
+ if (bluenrgx_info->idcode == BLUENRG2_IDCODE)
+ part_name = "BLUENRG-2";
+ else
+ part_name = "BLUENRG-1";
+
+ mask_number = (bluenrgx_info->die_id >> 4) & 0xF;
+ cut_number = bluenrgx_info->die_id & 0xF;
+
+ snprintf(buf, buf_size,
+ "%s - Rev: %d.%d", part_name, mask_number, cut_number);
+ return ERROR_OK;
+}
+
+struct flash_driver bluenrgx_flash = {
+ .name = "bluenrg-x",
+ .flash_bank_command = bluenrgx_flash_bank_command,
+ .erase = bluenrgx_erase,
+ .protect = bluenrgx_protect,
+ .write = bluenrgx_write,
+ .read = default_flash_read,
+ .probe = bluenrgx_probe,
+ .erase_check = default_flash_blank_check,
+ .protect_check = bluenrgx_protect_check,
+ .auto_probe = bluenrgx_auto_probe,
+ .info = bluenrgx_get_info,
+};
Code Review / openocd.git / commitdiff