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-rw-r--r--src/flash/nor/lpc2000.c812
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diff --git a/src/flash/nor/lpc2000.c b/src/flash/nor/lpc2000.c
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+/***************************************************************************
+ * Copyright (C) 2005 by Dominic Rath *
+ * Dominic.Rath@gmx.de *
+ * *
+ * LPC1700 support Copyright (C) 2009 by Audrius Urmanavicius *
+ * didele.deze@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, write to the *
+ * Free Software Foundation, Inc., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "lpc2000.h"
+#include "armv7m.h"
+#include "binarybuffer.h"
+#include "algorithm.h"
+
+
+/* flash programming support for NXP LPC17xx and LPC2xxx devices
+ * currently supported devices:
+ * variant 1 (lpc2000_v1):
+ * - 2104 | 5 | 6
+ * - 2114 | 9
+ * - 2124 | 9
+ * - 2194
+ * - 2212 | 4
+ * - 2292 | 4
+ *
+ * variant 2 (lpc2000_v2):
+ * - 213x
+ * - 214x
+ * - 2101 | 2 | 3
+ * - 2364 | 6 | 8
+ * - 2378
+ *
+ * lpc1700:
+ * - 175x
+ * - 176x (tested with LPC1768)
+ */
+
+static int lpc2000_build_sector_list(struct flash_bank *bank)
+{
+ struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
+ int i;
+ uint32_t offset = 0;
+
+ /* default to a 4096 write buffer */
+ lpc2000_info->cmd51_max_buffer = 4096;
+
+ if (lpc2000_info->variant == lpc2000_v1)
+ {
+ /* variant 1 has different layout for 128kb and 256kb flashes */
+ if (bank->size == 128 * 1024)
+ {
+ bank->num_sectors = 16;
+ bank->sectors = malloc(sizeof(struct flash_sector) * 16);
+ for (i = 0; i < 16; i++)
+ {
+ bank->sectors[i].offset = offset;
+ bank->sectors[i].size = 8 * 1024;
+ offset += bank->sectors[i].size;
+ bank->sectors[i].is_erased = -1;
+ bank->sectors[i].is_protected = 1;
+ }
+ }
+ else if (bank->size == 256 * 1024)
+ {
+ bank->num_sectors = 18;
+ bank->sectors = malloc(sizeof(struct flash_sector) * 18);
+
+ for (i = 0; i < 8; i++)
+ {
+ bank->sectors[i].offset = offset;
+ bank->sectors[i].size = 8 * 1024;
+ offset += bank->sectors[i].size;
+ bank->sectors[i].is_erased = -1;
+ bank->sectors[i].is_protected = 1;
+ }
+ for (i = 8; i < 10; i++)
+ {
+ bank->sectors[i].offset = offset;
+ bank->sectors[i].size = 64 * 1024;
+ offset += bank->sectors[i].size;
+ bank->sectors[i].is_erased = -1;
+ bank->sectors[i].is_protected = 1;
+ }
+ for (i = 10; i < 18; i++)
+ {
+ bank->sectors[i].offset = offset;
+ bank->sectors[i].size = 8 * 1024;
+ offset += bank->sectors[i].size;
+ bank->sectors[i].is_erased = -1;
+ bank->sectors[i].is_protected = 1;
+ }
+ }
+ else
+ {
+ LOG_ERROR("BUG: unknown bank->size encountered");
+ exit(-1);
+ }
+ }
+ else if (lpc2000_info->variant == lpc2000_v2)
+ {
+ /* variant 2 has a uniform layout, only number of sectors differs */
+ switch (bank->size)
+ {
+ case 4 * 1024:
+ lpc2000_info->cmd51_max_buffer = 1024;
+ bank->num_sectors = 1;
+ break;
+ case 8 * 1024:
+ lpc2000_info->cmd51_max_buffer = 1024;
+ bank->num_sectors = 2;
+ break;
+ case 16 * 1024:
+ bank->num_sectors = 4;
+ break;
+ case 32 * 1024:
+ bank->num_sectors = 8;
+ break;
+ case 64 * 1024:
+ bank->num_sectors = 9;
+ break;
+ case 128 * 1024:
+ bank->num_sectors = 11;
+ break;
+ case 256 * 1024:
+ bank->num_sectors = 15;
+ break;
+ case 512 * 1024:
+ case 500 * 1024:
+ bank->num_sectors = 27;
+ break;
+ default:
+ LOG_ERROR("BUG: unknown bank->size encountered");
+ exit(-1);
+ break;
+ }
+
+ bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
+
+ for (i = 0; i < bank->num_sectors; i++)
+ {
+ if ((i >= 0) && (i < 8))
+ {
+ bank->sectors[i].offset = offset;
+ bank->sectors[i].size = 4 * 1024;
+ offset += bank->sectors[i].size;
+ bank->sectors[i].is_erased = -1;
+ bank->sectors[i].is_protected = 1;
+ }
+ if ((i >= 8) && (i < 22))
+ {
+ bank->sectors[i].offset = offset;
+ bank->sectors[i].size = 32 * 1024;
+ offset += bank->sectors[i].size;
+ bank->sectors[i].is_erased = -1;
+ bank->sectors[i].is_protected = 1;
+ }
+ if ((i >= 22) && (i < 27))
+ {
+ bank->sectors[i].offset = offset;
+ bank->sectors[i].size = 4 * 1024;
+ offset += bank->sectors[i].size;
+ bank->sectors[i].is_erased = -1;
+ bank->sectors[i].is_protected = 1;
+ }
+ }
+ }
+ else if (lpc2000_info->variant == lpc1700)
+ {
+ switch(bank->size)
+ {
+ case 32 * 1024:
+ bank->num_sectors = 8;
+ break;
+ case 64 * 1024:
+ bank->num_sectors = 16;
+ break;
+ case 128 * 1024:
+ bank->num_sectors = 18;
+ break;
+ case 256 * 1024:
+ bank->num_sectors = 22;
+ break;
+ case 512 * 1024:
+ bank->num_sectors = 30;
+ break;
+ default:
+ LOG_ERROR("BUG: unknown bank->size encountered");
+ exit(-1);
+ }
+
+ bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
+
+ for(i = 0; i < bank->num_sectors; i++)
+ {
+ bank->sectors[i].offset = offset;
+ /* sectors 0-15 are 4kB-sized, 16 and above are 32kB-sized for LPC17xx devices */
+ bank->sectors[i].size = (i < 16)? 4 * 1024 : 32 * 1024;
+ offset += bank->sectors[i].size;
+ bank->sectors[i].is_erased = -1;
+ bank->sectors[i].is_protected = 1;
+ }
+ }
+ else
+ {
+ LOG_ERROR("BUG: unknown lpc2000_info->variant encountered");
+ exit(-1);
+ }
+
+ return ERROR_OK;
+}
+
+/* call LPC1700/LPC2000 IAP function
+ * uses 180 bytes working area
+ * 0x0 to 0x7: jump gate (BX to thumb state, b -2 to wait)
+ * 0x8 to 0x1f: command parameter table (1+5 words)
+ * 0x20 to 0x33: command result table (1+4 words)
+ * 0x34 to 0xb3: stack (only 128b needed)
+ */
+static int lpc2000_iap_call(struct flash_bank *bank, int code, uint32_t param_table[5], uint32_t result_table[4])
+{
+ int retval;
+ struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
+ struct target *target = bank->target;
+ struct mem_param mem_params[2];
+ struct reg_param reg_params[5];
+ struct armv4_5_algorithm armv4_5_info; /* for LPC2000 */
+ struct armv7m_algorithm armv7m_info; /* for LPC1700 */
+ uint32_t status_code;
+ uint32_t iap_entry_point = 0; /* to make compiler happier */
+
+ /* regrab previously allocated working_area, or allocate a new one */
+ if (!lpc2000_info->iap_working_area)
+ {
+ uint8_t jump_gate[8];
+
+ /* make sure we have a working area */
+ if (target_alloc_working_area(target, 180, &lpc2000_info->iap_working_area) != ERROR_OK)
+ {
+ LOG_ERROR("no working area specified, can't write LPC2000 internal flash");
+ return ERROR_FLASH_OPERATION_FAILED;
+ }
+
+ /* write IAP code to working area */
+ switch(lpc2000_info->variant)
+ {
+ case lpc1700:
+ target_buffer_set_u32(target, jump_gate, ARMV7M_T_BX(12));
+ target_buffer_set_u32(target, jump_gate + 4, ARMV7M_T_B(0xfffffe));
+ break;
+ case lpc2000_v1:
+ case lpc2000_v2:
+ target_buffer_set_u32(target, jump_gate, ARMV4_5_BX(12));
+ target_buffer_set_u32(target, jump_gate + 4, ARMV4_5_B(0xfffffe, 0));
+ break;
+ default:
+ LOG_ERROR("BUG: unknown bank->size encountered");
+ exit(-1);
+ }
+
+ if ((retval = target_write_memory(target, lpc2000_info->iap_working_area->address, 4, 2, jump_gate)) != ERROR_OK)
+ {
+ LOG_ERROR("Write memory at address 0x%8.8" PRIx32 " failed (check work_area definition)", lpc2000_info->iap_working_area->address);
+ return retval;
+ }
+ }
+
+ switch(lpc2000_info->variant)
+ {
+ case lpc1700:
+ armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
+ armv7m_info.core_mode = ARMV7M_MODE_ANY;
+ iap_entry_point = 0x1fff1ff1;
+ break;
+ case lpc2000_v1:
+ case lpc2000_v2:
+ armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC;
+ armv4_5_info.core_mode = ARMV4_5_MODE_SVC;
+ armv4_5_info.core_state = ARMV4_5_STATE_ARM;
+ iap_entry_point = 0x7ffffff1;
+ break;
+ default:
+ LOG_ERROR("BUG: unknown lpc2000->variant encountered");
+ exit(-1);
+ }
+
+ /* command parameter table */
+ init_mem_param(&mem_params[0], lpc2000_info->iap_working_area->address + 8, 6 * 4, PARAM_OUT);
+ target_buffer_set_u32(target, mem_params[0].value, code);
+ target_buffer_set_u32(target, mem_params[0].value + 0x04, param_table[0]);
+ target_buffer_set_u32(target, mem_params[0].value + 0x08, param_table[1]);
+ target_buffer_set_u32(target, mem_params[0].value + 0x0c, param_table[2]);
+ target_buffer_set_u32(target, mem_params[0].value + 0x10, param_table[3]);
+ target_buffer_set_u32(target, mem_params[0].value + 0x14, param_table[4]);
+
+ init_reg_param(&reg_params[0], "r0", 32, PARAM_OUT);
+ buf_set_u32(reg_params[0].value, 0, 32, lpc2000_info->iap_working_area->address + 0x08);
+
+ /* command result table */
+ init_mem_param(&mem_params[1], lpc2000_info->iap_working_area->address + 0x20, 5 * 4, PARAM_IN);
+
+ init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT);
+ buf_set_u32(reg_params[1].value, 0, 32, lpc2000_info->iap_working_area->address + 0x20);
+
+ /* IAP entry point */
+ init_reg_param(&reg_params[2], "r12", 32, PARAM_OUT);
+ buf_set_u32(reg_params[2].value, 0, 32, iap_entry_point);
+
+ switch(lpc2000_info->variant)
+ {
+ case lpc1700:
+ /* IAP stack */
+ init_reg_param(&reg_params[3], "sp", 32, PARAM_OUT);
+ buf_set_u32(reg_params[3].value, 0, 32, lpc2000_info->iap_working_area->address + 0xb4);
+
+ /* return address */
+ init_reg_param(&reg_params[4], "lr", 32, PARAM_OUT);
+ buf_set_u32(reg_params[4].value, 0, 32, (lpc2000_info->iap_working_area->address + 0x04) | 1); /* bit0 of LR = 1 to return in Thumb mode */
+
+ target_run_algorithm(target, 2, mem_params, 5, reg_params, lpc2000_info->iap_working_area->address, lpc2000_info->iap_working_area->address + 0x4, 10000, &armv7m_info);
+ break;
+ case lpc2000_v1:
+ case lpc2000_v2:
+ /* IAP stack */
+ init_reg_param(&reg_params[3], "r13_svc", 32, PARAM_OUT);
+ buf_set_u32(reg_params[3].value, 0, 32, lpc2000_info->iap_working_area->address + 0xb4);
+
+ /* return address */
+ init_reg_param(&reg_params[4], "lr_svc", 32, PARAM_OUT);
+ buf_set_u32(reg_params[4].value, 0, 32, lpc2000_info->iap_working_area->address + 0x04);
+
+ target_run_algorithm(target, 2, mem_params, 5, reg_params, lpc2000_info->iap_working_area->address, lpc2000_info->iap_working_area->address + 0x4, 10000, &armv4_5_info);
+ break;
+ default:
+ LOG_ERROR("BUG: unknown lpc2000->variant encountered");
+ exit(-1);
+ }
+
+
+ status_code = target_buffer_get_u32(target, mem_params[1].value);
+ result_table[0] = target_buffer_get_u32(target, mem_params[1].value + 0x04);
+ result_table[1] = target_buffer_get_u32(target, mem_params[1].value + 0x08);
+ result_table[2] = target_buffer_get_u32(target, mem_params[1].value + 0x0c);
+ result_table[3] = target_buffer_get_u32(target, mem_params[1].value + 0x10);
+
+ LOG_DEBUG("IAP command = %i (0x%8.8" PRIx32", 0x%8.8" PRIx32", 0x%8.8" PRIx32", 0x%8.8" PRIx32", 0x%8.8" PRIx32") completed with result = %8.8" PRIx32,
+ code, param_table[0], param_table[1], param_table[2], param_table[3], param_table[4], status_code);
+
+ destroy_mem_param(&mem_params[0]);
+ destroy_mem_param(&mem_params[1]);
+
+ destroy_reg_param(&reg_params[0]);
+ destroy_reg_param(&reg_params[1]);
+ destroy_reg_param(&reg_params[2]);
+ destroy_reg_param(&reg_params[3]);
+ destroy_reg_param(&reg_params[4]);
+
+ return status_code;
+}
+
+static int lpc2000_iap_blank_check(struct flash_bank *bank, int first, int last)
+{
+ uint32_t param_table[5];
+ uint32_t result_table[4];
+ int status_code;
+ int i;
+
+ if ((first < 0) || (last >= bank->num_sectors))
+ return ERROR_FLASH_SECTOR_INVALID;
+
+ for (i = first; i <= last; i++)
+ {
+ /* check single sector */
+ param_table[0] = param_table[1] = i;
+ status_code = lpc2000_iap_call(bank, 53, param_table, result_table);
+
+ switch (status_code)
+ {
+ case ERROR_FLASH_OPERATION_FAILED:
+ return ERROR_FLASH_OPERATION_FAILED;
+ case LPC2000_CMD_SUCCESS:
+ bank->sectors[i].is_erased = 1;
+ break;
+ case LPC2000_SECTOR_NOT_BLANK:
+ bank->sectors[i].is_erased = 0;
+ break;
+ case LPC2000_INVALID_SECTOR:
+ bank->sectors[i].is_erased = 0;
+ break;
+ case LPC2000_BUSY:
+ return ERROR_FLASH_BUSY;
+ break;
+ default:
+ LOG_ERROR("BUG: unknown LPC2000 status code %i", status_code);
+ exit(-1);
+ }
+ }
+
+ return ERROR_OK;
+}
+
+/*
+ * flash bank lpc2000 <base> <size> 0 0 <target#> <lpc_variant> <cclk> [calc_checksum]
+ */
+FLASH_BANK_COMMAND_HANDLER(lpc2000_flash_bank_command)
+{
+ struct lpc2000_flash_bank *lpc2000_info;
+
+ if (CMD_ARGC < 8)
+ {
+ LOG_WARNING("incomplete flash_bank lpc2000 configuration");
+ return ERROR_FLASH_BANK_INVALID;
+ }
+
+ lpc2000_info = malloc(sizeof(struct lpc2000_flash_bank));
+ bank->driver_priv = lpc2000_info;
+
+ if (strcmp(CMD_ARGV[6], "lpc2000_v1") == 0)
+ {
+ lpc2000_info->variant = lpc2000_v1;
+ lpc2000_info->cmd51_dst_boundary = 512;
+ lpc2000_info->cmd51_can_256b = 0;
+ lpc2000_info->cmd51_can_8192b = 1;
+ lpc2000_info->checksum_vector = 5;
+ }
+ else if (strcmp(CMD_ARGV[6], "lpc2000_v2") == 0)
+ {
+ lpc2000_info->variant = lpc2000_v2;
+ lpc2000_info->cmd51_dst_boundary = 256;
+ lpc2000_info->cmd51_can_256b = 1;
+ lpc2000_info->cmd51_can_8192b = 0;
+ lpc2000_info->checksum_vector = 5;
+ }
+ else if (strcmp(CMD_ARGV[6], "lpc1700") == 0)
+ {
+ lpc2000_info->variant = lpc1700;
+ lpc2000_info->cmd51_dst_boundary = 256;
+ lpc2000_info->cmd51_can_256b = 1;
+ lpc2000_info->cmd51_can_8192b = 0;
+ lpc2000_info->checksum_vector = 7;
+ }
+ else
+ {
+ LOG_ERROR("unknown LPC2000 variant: %s", CMD_ARGV[6]);
+ free(lpc2000_info);
+ return ERROR_FLASH_BANK_INVALID;
+ }
+
+ lpc2000_info->iap_working_area = NULL;
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[7], lpc2000_info->cclk);
+ lpc2000_info->calc_checksum = 0;
+ lpc2000_build_sector_list(bank);
+
+ if (CMD_ARGC >= 9)
+ {
+ if (strcmp(CMD_ARGV[8], "calc_checksum") == 0)
+ lpc2000_info->calc_checksum = 1;
+ }
+
+ return ERROR_OK;
+}
+
+static int lpc2000_erase(struct flash_bank *bank, int first, int last)
+{
+ struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
+ uint32_t param_table[5];
+ uint32_t result_table[4];
+ int status_code;
+
+ if (bank->target->state != TARGET_HALTED)
+ {
+ LOG_ERROR("Target not halted");
+ return ERROR_TARGET_NOT_HALTED;
+ }
+
+ param_table[0] = first;
+ param_table[1] = last;
+ param_table[2] = lpc2000_info->cclk;
+
+ /* Prepare sectors */
+ status_code = lpc2000_iap_call(bank, 50, param_table, result_table);
+ switch (status_code)
+ {
+ case ERROR_FLASH_OPERATION_FAILED:
+ return ERROR_FLASH_OPERATION_FAILED;
+ case LPC2000_CMD_SUCCESS:
+ break;
+ case LPC2000_INVALID_SECTOR:
+ return ERROR_FLASH_SECTOR_INVALID;
+ break;
+ default:
+ LOG_WARNING("lpc2000 prepare sectors returned %i", status_code);
+ return ERROR_FLASH_OPERATION_FAILED;
+ }
+
+ /* Erase sectors */
+ status_code = lpc2000_iap_call(bank, 52, param_table, result_table);
+ switch (status_code)
+ {
+ case ERROR_FLASH_OPERATION_FAILED:
+ return ERROR_FLASH_OPERATION_FAILED;
+ case LPC2000_CMD_SUCCESS:
+ break;
+ case LPC2000_INVALID_SECTOR:
+ return ERROR_FLASH_SECTOR_INVALID;
+ break;
+ default:
+ LOG_WARNING("lpc2000 erase sectors returned %i", status_code);
+ return ERROR_FLASH_OPERATION_FAILED;
+ }
+
+ return ERROR_OK;
+}
+
+static int lpc2000_protect(struct flash_bank *bank, int set, int first, int last)
+{
+ /* can't protect/unprotect on the lpc2000 */
+ return ERROR_OK;
+}
+
+static int lpc2000_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
+{
+ struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
+ struct target *target = bank->target;
+ uint32_t dst_min_alignment;
+ uint32_t bytes_remaining = count;
+ uint32_t bytes_written = 0;
+ int first_sector = 0;
+ int last_sector = 0;
+ uint32_t param_table[5];
+ uint32_t result_table[4];
+ int status_code;
+ int i;
+ struct working_area *download_area;
+ int retval = ERROR_OK;
+
+ if (bank->target->state != TARGET_HALTED)
+ {
+ LOG_ERROR("Target not halted");
+ return ERROR_TARGET_NOT_HALTED;
+ }
+
+ if (offset + count > bank->size)
+ return ERROR_FLASH_DST_OUT_OF_BANK;
+
+ dst_min_alignment = lpc2000_info->cmd51_dst_boundary;
+
+ if (offset % dst_min_alignment)
+ {
+ LOG_WARNING("offset 0x%" PRIx32 " breaks required alignment 0x%" PRIx32, offset, dst_min_alignment);
+ return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
+ }
+
+ for (i = 0; i < bank->num_sectors; i++)
+ {
+ if (offset >= bank->sectors[i].offset)
+ first_sector = i;
+ if (offset + DIV_ROUND_UP(count, dst_min_alignment) * dst_min_alignment > bank->sectors[i].offset)
+ last_sector = i;
+ }
+
+ LOG_DEBUG("first_sector: %i, last_sector: %i", first_sector, last_sector);
+
+ /* check if exception vectors should be flashed */
+ if ((offset == 0) && (count >= 0x20) && lpc2000_info->calc_checksum)
+ {
+ uint32_t checksum = 0;
+ int i;
+ for (i = 0; i < 8; i++)
+ {
+ LOG_DEBUG("Vector 0x%2.2x: 0x%8.8" PRIx32, i * 4, buf_get_u32(buffer + (i * 4), 0, 32));
+ if (i != lpc2000_info->checksum_vector)
+ checksum += buf_get_u32(buffer + (i * 4), 0, 32);
+ }
+ checksum = 0 - checksum;
+ LOG_DEBUG("checksum: 0x%8.8" PRIx32, checksum);
+
+ uint32_t original_value = buf_get_u32(buffer + (lpc2000_info->checksum_vector * 4), 0, 32);
+ if (original_value != checksum)
+ {
+ LOG_WARNING("Verification will fail since checksum in image (0x%8.8" PRIx32 ") to be written to flash is different from calculated vector checksum (0x%8.8" PRIx32 ").",
+ original_value, checksum);
+ LOG_WARNING("To remove this warning modify build tools on developer PC to inject correct LPC vector checksum.");
+ }
+
+ buf_set_u32(buffer + (lpc2000_info->checksum_vector * 4), 0, 32, checksum);
+ }
+
+ /* allocate a working area */
+ if (target_alloc_working_area(target, lpc2000_info->cmd51_max_buffer, &download_area) != ERROR_OK)
+ {
+ LOG_ERROR("no working area specified, can't write LPC2000 internal flash");
+ return ERROR_FLASH_OPERATION_FAILED;
+ }
+
+ while (bytes_remaining > 0)
+ {
+ uint32_t thisrun_bytes;
+ if (bytes_remaining >= lpc2000_info->cmd51_max_buffer)
+ thisrun_bytes = lpc2000_info->cmd51_max_buffer;
+ else if (bytes_remaining >= 1024)
+ thisrun_bytes = 1024;
+ else if ((bytes_remaining >= 512) || (!lpc2000_info->cmd51_can_256b))
+ thisrun_bytes = 512;
+ else
+ thisrun_bytes = 256;
+
+ /* Prepare sectors */
+ param_table[0] = first_sector;
+ param_table[1] = last_sector;
+ status_code = lpc2000_iap_call(bank, 50, param_table, result_table);
+ switch (status_code)
+ {
+ case ERROR_FLASH_OPERATION_FAILED:
+ retval = ERROR_FLASH_OPERATION_FAILED;
+ break;
+ case LPC2000_CMD_SUCCESS:
+ break;
+ case LPC2000_INVALID_SECTOR:
+ retval = ERROR_FLASH_SECTOR_INVALID;
+ break;
+ default:
+ LOG_WARNING("lpc2000 prepare sectors returned %i", status_code);
+ retval = ERROR_FLASH_OPERATION_FAILED;
+ break;
+ }
+
+ /* Exit if error occured */
+ if (retval != ERROR_OK)
+ break;
+
+ if (bytes_remaining >= thisrun_bytes)
+ {
+ if ((retval = target_write_buffer(bank->target, download_area->address, thisrun_bytes, buffer + bytes_written)) != ERROR_OK)
+ {
+ retval = ERROR_FLASH_OPERATION_FAILED;
+ break;
+ }
+ }
+ else
+ {
+ uint8_t *last_buffer = malloc(thisrun_bytes);
+ memcpy(last_buffer, buffer + bytes_written, bytes_remaining);
+ memset(last_buffer + bytes_remaining, 0xff, thisrun_bytes - bytes_remaining);
+ target_write_buffer(bank->target, download_area->address, thisrun_bytes, last_buffer);
+ free(last_buffer);
+ }
+
+ LOG_DEBUG("writing 0x%" PRIx32 " bytes to address 0x%" PRIx32 , thisrun_bytes, bank->base + offset + bytes_written);
+
+ /* Write data */
+ param_table[0] = bank->base + offset + bytes_written;
+ param_table[1] = download_area->address;
+ param_table[2] = thisrun_bytes;
+ param_table[3] = lpc2000_info->cclk;
+ status_code = lpc2000_iap_call(bank, 51, param_table, result_table);
+ switch (status_code)
+ {
+ case ERROR_FLASH_OPERATION_FAILED:
+ retval = ERROR_FLASH_OPERATION_FAILED;
+ break;
+ case LPC2000_CMD_SUCCESS:
+ break;
+ case LPC2000_INVALID_SECTOR:
+ retval = ERROR_FLASH_SECTOR_INVALID;
+ break;
+ default:
+ LOG_WARNING("lpc2000 returned %i", status_code);
+ retval = ERROR_FLASH_OPERATION_FAILED;
+ break;
+ }
+
+ /* Exit if error occured */
+ if (retval != ERROR_OK)
+ break;
+
+ if (bytes_remaining > thisrun_bytes)
+ bytes_remaining -= thisrun_bytes;
+ else
+ bytes_remaining = 0;
+ bytes_written += thisrun_bytes;
+ }
+
+ target_free_working_area(target, download_area);
+
+ return retval;
+}
+
+static int lpc2000_probe(struct flash_bank *bank)
+{
+ /* we can't probe on an lpc2000
+ * if this is an lpc2xxx, it has the configured flash
+ */
+ return ERROR_OK;
+}
+
+static int lpc2000_erase_check(struct flash_bank *bank)
+{
+ if (bank->target->state != TARGET_HALTED)
+ {
+ LOG_ERROR("Target not halted");
+ return ERROR_TARGET_NOT_HALTED;
+ }
+
+ return lpc2000_iap_blank_check(bank, 0, bank->num_sectors - 1);
+}
+
+static int lpc2000_protect_check(struct flash_bank *bank)
+{
+ /* sectors are always protected */
+ return ERROR_OK;
+}
+
+static int lpc2000_info(struct flash_bank *bank, char *buf, int buf_size)
+{
+ struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
+
+ snprintf(buf, buf_size, "lpc2000 flash driver variant: %i, clk: %" PRIi32 "kHz" , lpc2000_info->variant, lpc2000_info->cclk);
+
+ return ERROR_OK;
+}
+
+COMMAND_HANDLER(lpc2000_handle_part_id_command)
+{
+ uint32_t param_table[5];
+ uint32_t result_table[4];
+ int status_code;
+
+ 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)
+ return retval;
+
+ if (bank->target->state != TARGET_HALTED)
+ {
+ LOG_ERROR("Target not halted");
+ return ERROR_TARGET_NOT_HALTED;
+ }
+
+ if ((status_code = lpc2000_iap_call(bank, 54, param_table, result_table)) != 0x0)
+ {
+ if (status_code == ERROR_FLASH_OPERATION_FAILED)
+ {
+ command_print(CMD_CTX, "no sufficient working area specified, can't access LPC2000 IAP interface");
+ return ERROR_OK;
+ }
+ command_print(CMD_CTX, "lpc2000 IAP returned status code %i", status_code);
+ }
+ else
+ {
+ command_print(CMD_CTX, "lpc2000 part id: 0x%8.8" PRIx32 , result_table[0]);
+ }
+
+ return ERROR_OK;
+}
+
+static const struct command_registration lpc2000_exec_command_handlers[] = {
+ {
+ .name = "part_id",
+ .handler = &lpc2000_handle_part_id_command,
+ .mode = COMMAND_EXEC,
+ .help = "print part id of lpc2000 flash bank <num>",
+ },
+ COMMAND_REGISTRATION_DONE
+};
+static const struct command_registration lpc2000_command_handlers[] = {
+ {
+ .name = "lpc2000",
+ .mode = COMMAND_ANY,
+ .help = "lpc2000 flash command group",
+ .chain = lpc2000_exec_command_handlers,
+ },
+ COMMAND_REGISTRATION_DONE
+};
+
+struct flash_driver lpc2000_flash = {
+ .name = "lpc2000",
+ .commands = lpc2000_command_handlers,
+ .flash_bank_command = &lpc2000_flash_bank_command,
+ .erase = &lpc2000_erase,
+ .protect = &lpc2000_protect,
+ .write = &lpc2000_write,
+ .probe = &lpc2000_probe,
+ .auto_probe = &lpc2000_probe,
+ .erase_check = &lpc2000_erase_check,
+ .protect_check = &lpc2000_protect_check,
+ .info = &lpc2000_info,
+ };
+
+
generated by cgit v1.2.3 (git 2.46.0) at 2024-11-05 01:57:36 +0000