From fe9228a32db930be297d4d3b35ffb94d6de1b9ab Mon Sep 17 00:00:00 2001 From: Zachary T Welch Date: Wed, 2 Dec 2009 15:54:15 -0800 Subject: move nor drivers to src/flash/nor Moves NOR flash drivers to 'src/flash/nor/'. Adds 'src/flash/nor/Makefile.am'. Builds 'libocdflashnor.la'. --- src/flash/nor/lpc2000.c | 812 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 812 insertions(+) create mode 100644 src/flash/nor/lpc2000.c (limited to 'src/flash/nor/lpc2000.c') diff --git a/src/flash/nor/lpc2000.c b/src/flash/nor/lpc2000.c new file mode 100644 index 00000000..418b5b03 --- /dev/null +++ b/src/flash/nor/lpc2000.c @@ -0,0 +1,812 @@ +/*************************************************************************** + * 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(®_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(®_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(®_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(®_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(®_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(®_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(®_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(®_params[0]); + destroy_reg_param(®_params[1]); + destroy_reg_param(®_params[2]); + destroy_reg_param(®_params[3]); + destroy_reg_param(®_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 0 0 [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 ", + }, + 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, + }; + + -- cgit v1.2.3