X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Fflash%2Favrf.c;h=7a7eddd98c1a66a47449e7d19b8c00ef683a2e50;hb=a7a8a1c9e2e86902a3a5864cd257e01e0b3f6da6;hp=3351dedec6db6b4143bd7c2b24626a3f6d2702f5;hpb=e784db4fdd1e68d5469f1a1f8da10f86ea88ef3f;p=openocd.git diff --git a/src/flash/avrf.c b/src/flash/avrf.c index 3351dedec6..7a7eddd98c 100644 --- a/src/flash/avrf.c +++ b/src/flash/avrf.c @@ -1,500 +1,476 @@ -/*************************************************************************** - * Copyright (C) 2009 by Simon Qian * - * SimonQian@SimonQian.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 "replacements.h" - -#include "avrf.h" -#include "avrt.h" -#include "flash.h" -#include "target.h" -#include "log.h" -#include "algorithm.h" -#include "binarybuffer.h" - -#include -#include - -/* AVR_JTAG_Instructions */ -#define AVR_JTAG_INS_LEN 4 -// Public Instructions: -#define AVR_JTAG_INS_EXTEST 0x00 -#define AVR_JTAG_INS_IDCODE 0x01 -#define AVR_JTAG_INS_SAMPLE_PRELOAD 0x02 -#define AVR_JTAG_INS_BYPASS 0x0F -// AVR Specified Public Instructions: -#define AVR_JTAG_INS_AVR_RESET 0x0C -#define AVR_JTAG_INS_PROG_ENABLE 0x04 -#define AVR_JTAG_INS_PROG_COMMANDS 0x05 -#define AVR_JTAG_INS_PROG_PAGELOAD 0x06 -#define AVR_JTAG_INS_PROG_PAGEREAD 0x07 - -// Data Registers: -#define AVR_JTAG_REG_Bypass_Len 1 -#define AVR_JTAG_REG_DeviceID_Len 32 - -#define AVR_JTAG_REG_Reset_Len 1 -#define AVR_JTAG_REG_JTAGID_Len 32 -#define AVR_JTAG_REG_ProgrammingEnable_Len 16 -#define AVR_JTAG_REG_ProgrammingCommand_Len 15 -#define AVR_JTAG_REG_FlashDataByte_Len 16 - -avrf_type_t avft_chips_info[] = -{ -// name, chip_id, flash_page_size, flash_page_num, eeprom_page_size, eeprom_page_num - {"atmega128", 0x9702, 256, 512, 8, 512}, -}; - -static int avrf_register_commands(struct command_context_s *cmd_ctx); -static int avrf_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank); -static int avrf_erase(struct flash_bank_s *bank, int first, int last); -static int avrf_protect(struct flash_bank_s *bank, int set, int first, int last); -static int avrf_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count); -static int avrf_probe(struct flash_bank_s *bank); -static int avrf_auto_probe(struct flash_bank_s *bank); -//static int avrf_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -static int avrf_protect_check(struct flash_bank_s *bank); -static int avrf_info(struct flash_bank_s *bank, char *buf, int buf_size); - -static int avrf_handle_mass_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); - -extern int avr_jtag_sendinstr(jtag_tap_t *tap, u8 *ir_in, u8 ir_out); -extern int avr_jtag_senddat(jtag_tap_t *tap, u32 *dr_in, u32 dr_out, int len); - -extern int mcu_write_ir(jtag_tap_t *tap, u8 *ir_in, u8 *ir_out, int ir_len, int rti); -extern int mcu_write_dr(jtag_tap_t *tap, u8 *ir_in, u8 *ir_out, int dr_len, int rti); -extern int mcu_write_ir_u8(jtag_tap_t *tap, u8 *ir_in, u8 ir_out, int ir_len, int rti); -extern int mcu_write_dr_u8(jtag_tap_t *tap, u8 *ir_in, u8 ir_out, int dr_len, int rti); -extern int mcu_write_ir_u16(jtag_tap_t *tap, u16 *ir_in, u16 ir_out, int ir_len, int rti); -extern int mcu_write_dr_u16(jtag_tap_t *tap, u16 *ir_in, u16 ir_out, int dr_len, int rti); -extern int mcu_write_ir_u32(jtag_tap_t *tap, u32 *ir_in, u32 ir_out, int ir_len, int rti); -extern int mcu_write_dr_u32(jtag_tap_t *tap, u32 *ir_in, u32 ir_out, int dr_len, int rti); -extern int mcu_execute_queue(void); - -flash_driver_t avr_flash = -{ - .name = "avr", - .register_commands = avrf_register_commands, - .flash_bank_command = avrf_flash_bank_command, - .erase = avrf_erase, - .protect = avrf_protect, - .write = avrf_write, - .probe = avrf_probe, - .auto_probe = avrf_auto_probe, - .erase_check = default_flash_mem_blank_check, - .protect_check = avrf_protect_check, - .info = avrf_info -}; - -/* avr program functions */ -static int avr_jtag_reset(avr_common_t *avr, u32 reset) -{ - avr_jtag_sendinstr(avr->jtag_info.tap, NULL, AVR_JTAG_INS_AVR_RESET); - avr_jtag_senddat(avr->jtag_info.tap, NULL, reset ,AVR_JTAG_REG_Reset_Len); - - return ERROR_OK; -} - -static int avr_jtag_read_jtagid(avr_common_t *avr, u32 *id) -{ - avr_jtag_sendinstr(avr->jtag_info.tap, NULL, AVR_JTAG_INS_IDCODE); - avr_jtag_senddat(avr->jtag_info.tap, id, 0, AVR_JTAG_REG_JTAGID_Len); - - return ERROR_OK; -} - -static int avr_jtagprg_enterprogmode(avr_common_t *avr) -{ - avr_jtag_reset(avr, 1); - - avr_jtag_sendinstr(avr->jtag_info.tap, NULL, AVR_JTAG_INS_PROG_ENABLE); - avr_jtag_senddat(avr->jtag_info.tap, NULL, 0xA370, AVR_JTAG_REG_ProgrammingEnable_Len); - - return ERROR_OK; -} - -static int avr_jtagprg_leaveprogmode(avr_common_t *avr) -{ - avr_jtag_sendinstr(avr->jtag_info.tap, NULL, AVR_JTAG_INS_PROG_COMMANDS); - avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x2300, AVR_JTAG_REG_ProgrammingCommand_Len); - avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x3300, AVR_JTAG_REG_ProgrammingCommand_Len); - - avr_jtag_sendinstr(avr->jtag_info.tap, NULL, AVR_JTAG_INS_PROG_ENABLE); - avr_jtag_senddat(avr->jtag_info.tap, NULL, 0, AVR_JTAG_REG_ProgrammingEnable_Len); - - avr_jtag_reset(avr, 0); - - return ERROR_OK; -} - -static int avr_jtagprg_chiperase(avr_common_t *avr) -{ - u32 poll_value; - - avr_jtag_sendinstr(avr->jtag_info.tap, NULL, AVR_JTAG_INS_PROG_COMMANDS); - avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x2380, AVR_JTAG_REG_ProgrammingCommand_Len); - avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x3180, AVR_JTAG_REG_ProgrammingCommand_Len); - avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x3380, AVR_JTAG_REG_ProgrammingCommand_Len); - avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x3380, AVR_JTAG_REG_ProgrammingCommand_Len); - - do{ - poll_value = 0; - avr_jtag_senddat(avr->jtag_info.tap, &poll_value, 0x3380, AVR_JTAG_REG_ProgrammingCommand_Len); - if (ERROR_OK != mcu_execute_queue()) - { - return ERROR_FAIL; - } - LOG_DEBUG("poll_value = 0x%04X", poll_value); - }while(!(poll_value & 0x0200)); - - return ERROR_OK; -} - -static int avr_jtagprg_writeflashpage(avr_common_t *avr, u8 *page_buf, u32 buf_size, u32 addr, u32 page_size) -{ - u32 i, poll_value; - - avr_jtag_sendinstr(avr->jtag_info.tap, NULL, AVR_JTAG_INS_PROG_COMMANDS); - avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x2310, AVR_JTAG_REG_ProgrammingCommand_Len); - - // load addr high byte - avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x0700 | ((addr >> 9) & 0xFF), AVR_JTAG_REG_ProgrammingCommand_Len); - - // load addr low byte - avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x0300 | ((addr >> 1) & 0xFF), AVR_JTAG_REG_ProgrammingCommand_Len); - - avr_jtag_sendinstr(avr->jtag_info.tap, NULL, AVR_JTAG_INS_PROG_PAGELOAD); - - for (i = 0; i < page_size; i++) - { - if (i < buf_size) - { - avr_jtag_senddat(avr->jtag_info.tap, NULL, page_buf[i], 8); - } - else - { - avr_jtag_senddat(avr->jtag_info.tap, NULL, 0xFF, 8); - } - } - - avr_jtag_sendinstr(avr->jtag_info.tap, NULL, AVR_JTAG_INS_PROG_COMMANDS); - - avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x3700, AVR_JTAG_REG_ProgrammingCommand_Len); - avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x3500, AVR_JTAG_REG_ProgrammingCommand_Len); - avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x3700, AVR_JTAG_REG_ProgrammingCommand_Len); - avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x3700, AVR_JTAG_REG_ProgrammingCommand_Len); - - do{ - poll_value = 0; - avr_jtag_senddat(avr->jtag_info.tap, &poll_value, 0x3700, AVR_JTAG_REG_ProgrammingCommand_Len); - if (ERROR_OK != mcu_execute_queue()) - { - return ERROR_FAIL; - } - LOG_DEBUG("poll_value = 0x%04X", poll_value); - }while(!(poll_value & 0x0200)); - - return ERROR_OK; -} - -/* interface command */ -static int avrf_register_commands(struct command_context_s *cmd_ctx) -{ - command_t *avr_cmd = register_command(cmd_ctx, NULL, "avr", NULL, COMMAND_ANY, "avr flash specific commands"); - - register_command(cmd_ctx, avr_cmd, "mass_erase", avrf_handle_mass_erase_command, COMMAND_EXEC, - "mass erase device"); - - return ERROR_OK; -} - -static int avrf_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank) -{ - avrf_flash_bank_t *avrf_info; - - if (argc < 6) - { - LOG_WARNING("incomplete flash_bank avr configuration"); - return ERROR_FLASH_BANK_INVALID; - } - - avrf_info = malloc(sizeof(avrf_flash_bank_t)); - bank->driver_priv = avrf_info; - - avrf_info->probed = 0; - - return ERROR_OK; -} - -static int avrf_erase(struct flash_bank_s *bank, int first, int last) -{ - LOG_INFO(__FUNCTION__); - return ERROR_OK; -} - -static int avrf_protect(struct flash_bank_s *bank, int set, int first, int last) -{ - LOG_INFO(__FUNCTION__); - return ERROR_OK; -} - -static int avrf_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count) -{ - target_t *target = bank->target; - avr_common_t *avr = target->arch_info; - u32 cur_size, cur_buffer_size, page_size; - - if (bank->target->state != TARGET_HALTED) - { - LOG_ERROR("Target not halted"); - return ERROR_TARGET_NOT_HALTED; - } - - page_size = bank->sectors[0].size; - if ((offset % page_size) != 0) - { - LOG_WARNING("offset 0x%x breaks required %d-byte alignment", offset, page_size); - return ERROR_FLASH_DST_BREAKS_ALIGNMENT; - } - - LOG_DEBUG("offset is 0x%08X", offset); - LOG_DEBUG("count is %d", count); - - if (ERROR_OK != avr_jtagprg_enterprogmode(avr)) - { - return ERROR_FAIL; - } - - cur_size = 0; - while(count > 0) - { - if (count > page_size) - { - cur_buffer_size = page_size; - } - else - { - cur_buffer_size = count; - } - avr_jtagprg_writeflashpage(avr, buffer + cur_size, cur_buffer_size, offset + cur_size, page_size); - count -= cur_buffer_size; - cur_size += cur_buffer_size; - - keep_alive(); - } - - return avr_jtagprg_leaveprogmode(avr); -} - -#define EXTRACT_MFG(X) (((X) & 0xffe) >> 1) -#define EXTRACT_PART(X) (((X) & 0xffff000) >> 12) -#define EXTRACT_VER(X) (((X) & 0xf0000000) >> 28) -static int avrf_probe(struct flash_bank_s *bank) -{ - target_t *target = bank->target; - avrf_flash_bank_t *avrf_info = bank->driver_priv; - avr_common_t *avr = target->arch_info; - avrf_type_t *avr_info; - int i; - u32 device_id; - - if (bank->target->state != TARGET_HALTED) - { - LOG_ERROR("Target not halted"); - return ERROR_TARGET_NOT_HALTED; - } - - avrf_info->probed = 0; - - avr_jtag_read_jtagid(avr, &device_id); - if (ERROR_OK != mcu_execute_queue()) - { - return ERROR_FAIL; - } - - LOG_INFO( "device id = 0x%08x", device_id ); - if (EXTRACT_MFG(device_id) != 0x1F) - { - LOG_ERROR("0x%X is invalid Manufacturer for avr, 0x%X is expected", EXTRACT_MFG(device_id), 0x1F); - } - - for (i = 0; i < (int)(sizeof(avft_chips_info) / sizeof(avft_chips_info[0])); i++) - { - if (avft_chips_info[i].chip_id == EXTRACT_PART(device_id)) - { - avr_info = &avft_chips_info[i]; - LOG_INFO("target device is %s", avr_info->name); - break; - } - } - - if (i < (int)(sizeof(avft_chips_info) / sizeof(avft_chips_info[0]))) - { - // chip found - bank->base = 0x00000000; - bank->size = (avr_info->flash_page_size * avr_info->flash_page_num); - bank->num_sectors = avr_info->flash_page_num; - bank->sectors = malloc(sizeof(flash_sector_t) * avr_info->flash_page_num); - - for (i = 0; i < avr_info->flash_page_num; i++) - { - bank->sectors[i].offset = i * avr_info->flash_page_size; - bank->sectors[i].size = avr_info->flash_page_size; - bank->sectors[i].is_erased = -1; - bank->sectors[i].is_protected = 1; - } - - avrf_info->probed = 1; - return ERROR_OK; - } - else - { - // chip not supported - LOG_ERROR("0x%X is not support for avr", EXTRACT_PART(device_id)); - - avrf_info->probed = 1; - return ERROR_FAIL; - } -} - -static int avrf_auto_probe(struct flash_bank_s *bank) -{ - avrf_flash_bank_t *avrf_info = bank->driver_priv; - if (avrf_info->probed) - return ERROR_OK; - return avrf_probe(bank); -} - -static int avrf_protect_check(struct flash_bank_s *bank) -{ - LOG_INFO(__FUNCTION__); - return ERROR_OK; -} - -static int avrf_info(struct flash_bank_s *bank, char *buf, int buf_size) -{ - target_t *target = bank->target; - avr_common_t *avr = target->arch_info; - avrf_type_t *avr_info; - int i; - u32 device_id; - - if (bank->target->state != TARGET_HALTED) - { - LOG_ERROR("Target not halted"); - return ERROR_TARGET_NOT_HALTED; - } - - avr_jtag_read_jtagid(avr, &device_id); - if (ERROR_OK != mcu_execute_queue()) - { - return ERROR_FAIL; - } - - LOG_INFO( "device id = 0x%08x", device_id ); - if (EXTRACT_MFG(device_id) != 0x1F) - { - LOG_ERROR("0x%X is invalid Manufacturer for avr, 0x%X is expected", EXTRACT_MFG(device_id), 0x1F); - } - - for (i = 0; i < (int)(sizeof(avft_chips_info) / sizeof(avft_chips_info[0])); i++) - { - if (avft_chips_info[i].chip_id == EXTRACT_PART(device_id)) - { - avr_info = &avft_chips_info[i]; - LOG_INFO("target device is %s", avr_info->name); - - return ERROR_OK; - } - } - - if (i < (int)(sizeof(avft_chips_info) / sizeof(avft_chips_info[0]))) - { - // chip found - snprintf(buf, buf_size, "%s - Rev: 0x%X", avr_info->name, EXTRACT_VER(device_id)); - return ERROR_OK; - } - else - { - // chip not supported - snprintf(buf, buf_size, "Cannot identify target as a avr\n"); - return ERROR_FLASH_OPERATION_FAILED; - } -} - -static int avrf_mass_erase(struct flash_bank_s *bank) -{ - target_t *target = bank->target; - avr_common_t *avr = target->arch_info; - - if (target->state != TARGET_HALTED) - { - LOG_ERROR("Target not halted"); - return ERROR_TARGET_NOT_HALTED; - } - - if ((ERROR_OK != avr_jtagprg_enterprogmode(avr)) - || (ERROR_OK != avr_jtagprg_chiperase(avr)) - || (ERROR_OK != avr_jtagprg_leaveprogmode(avr))) - { - return ERROR_FAIL; - } - - return ERROR_OK; -} - -static int avrf_handle_mass_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - flash_bank_t *bank; - int i; - - if (argc < 1) - { - command_print(cmd_ctx, "avr mass_erase "); - return ERROR_OK; - } - - bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0)); - if (!bank) - { - command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]); - return ERROR_OK; - } - - if (avrf_mass_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, "avr mass erase complete"); - } - else - { - command_print(cmd_ctx, "avr mass erase failed"); - } - - LOG_DEBUG(__FUNCTION__); - return ERROR_OK; -} +/*************************************************************************** + * Copyright (C) 2009 by Simon Qian * + * SimonQian@SimonQian.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 "avrf.h" +#include "avrt.h" +#include "flash.h" + + +/* AVR_JTAG_Instructions */ +#define AVR_JTAG_INS_LEN 4 +// Public Instructions: +#define AVR_JTAG_INS_EXTEST 0x00 +#define AVR_JTAG_INS_IDCODE 0x01 +#define AVR_JTAG_INS_SAMPLE_PRELOAD 0x02 +#define AVR_JTAG_INS_BYPASS 0x0F +// AVR Specified Public Instructions: +#define AVR_JTAG_INS_AVR_RESET 0x0C +#define AVR_JTAG_INS_PROG_ENABLE 0x04 +#define AVR_JTAG_INS_PROG_COMMANDS 0x05 +#define AVR_JTAG_INS_PROG_PAGELOAD 0x06 +#define AVR_JTAG_INS_PROG_PAGEREAD 0x07 + +// Data Registers: +#define AVR_JTAG_REG_Bypass_Len 1 +#define AVR_JTAG_REG_DeviceID_Len 32 + +#define AVR_JTAG_REG_Reset_Len 1 +#define AVR_JTAG_REG_JTAGID_Len 32 +#define AVR_JTAG_REG_ProgrammingEnable_Len 16 +#define AVR_JTAG_REG_ProgrammingCommand_Len 15 +#define AVR_JTAG_REG_FlashDataByte_Len 16 + +struct avrf_type avft_chips_info[] = +{ +// name, chip_id, flash_page_size, flash_page_num, eeprom_page_size, eeprom_page_num + {"atmega128", 0x9702, 256, 512, 8, 512}, +}; + +int avr_jtag_sendinstr(struct jtag_tap *tap, uint8_t *ir_in, uint8_t ir_out); +int avr_jtag_senddat(struct jtag_tap *tap, uint32_t *dr_in, uint32_t dr_out, int len); + +int mcu_write_ir(struct jtag_tap *tap, uint8_t *ir_in, uint8_t *ir_out, int ir_len, int rti); +int mcu_write_dr(struct jtag_tap *tap, uint8_t *ir_in, uint8_t *ir_out, int dr_len, int rti); +int mcu_write_ir_u8(struct jtag_tap *tap, uint8_t *ir_in, uint8_t ir_out, int ir_len, int rti); +int mcu_write_dr_u8(struct jtag_tap *tap, uint8_t *ir_in, uint8_t ir_out, int dr_len, int rti); +int mcu_write_ir_u16(struct jtag_tap *tap, uint16_t *ir_in, uint16_t ir_out, int ir_len, int rti); +int mcu_write_dr_u16(struct jtag_tap *tap, uint16_t *ir_in, uint16_t ir_out, int dr_len, int rti); +int mcu_write_ir_u32(struct jtag_tap *tap, uint32_t *ir_in, uint32_t ir_out, int ir_len, int rti); +int mcu_write_dr_u32(struct jtag_tap *tap, uint32_t *ir_in, uint32_t ir_out, int dr_len, int rti); +int mcu_execute_queue(void); + +/* avr program functions */ +static int avr_jtag_reset(avr_common_t *avr, uint32_t reset) +{ + avr_jtag_sendinstr(avr->jtag_info.tap, NULL, AVR_JTAG_INS_AVR_RESET); + avr_jtag_senddat(avr->jtag_info.tap, NULL, reset ,AVR_JTAG_REG_Reset_Len); + + return ERROR_OK; +} + +static int avr_jtag_read_jtagid(avr_common_t *avr, uint32_t *id) +{ + avr_jtag_sendinstr(avr->jtag_info.tap, NULL, AVR_JTAG_INS_IDCODE); + avr_jtag_senddat(avr->jtag_info.tap, id, 0, AVR_JTAG_REG_JTAGID_Len); + + return ERROR_OK; +} + +static int avr_jtagprg_enterprogmode(avr_common_t *avr) +{ + avr_jtag_reset(avr, 1); + + avr_jtag_sendinstr(avr->jtag_info.tap, NULL, AVR_JTAG_INS_PROG_ENABLE); + avr_jtag_senddat(avr->jtag_info.tap, NULL, 0xA370, AVR_JTAG_REG_ProgrammingEnable_Len); + + return ERROR_OK; +} + +static int avr_jtagprg_leaveprogmode(avr_common_t *avr) +{ + avr_jtag_sendinstr(avr->jtag_info.tap, NULL, AVR_JTAG_INS_PROG_COMMANDS); + avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x2300, AVR_JTAG_REG_ProgrammingCommand_Len); + avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x3300, AVR_JTAG_REG_ProgrammingCommand_Len); + + avr_jtag_sendinstr(avr->jtag_info.tap, NULL, AVR_JTAG_INS_PROG_ENABLE); + avr_jtag_senddat(avr->jtag_info.tap, NULL, 0, AVR_JTAG_REG_ProgrammingEnable_Len); + + avr_jtag_reset(avr, 0); + + return ERROR_OK; +} + +static int avr_jtagprg_chiperase(avr_common_t *avr) +{ + uint32_t poll_value; + + avr_jtag_sendinstr(avr->jtag_info.tap, NULL, AVR_JTAG_INS_PROG_COMMANDS); + avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x2380, AVR_JTAG_REG_ProgrammingCommand_Len); + avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x3180, AVR_JTAG_REG_ProgrammingCommand_Len); + avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x3380, AVR_JTAG_REG_ProgrammingCommand_Len); + avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x3380, AVR_JTAG_REG_ProgrammingCommand_Len); + + do { + poll_value = 0; + avr_jtag_senddat(avr->jtag_info.tap, &poll_value, 0x3380, AVR_JTAG_REG_ProgrammingCommand_Len); + if (ERROR_OK != mcu_execute_queue()) + { + return ERROR_FAIL; + } + LOG_DEBUG("poll_value = 0x%04" PRIx32 "", poll_value); + } while (!(poll_value & 0x0200)); + + return ERROR_OK; +} + +static int avr_jtagprg_writeflashpage(avr_common_t *avr, uint8_t *page_buf, uint32_t buf_size, uint32_t addr, uint32_t page_size) +{ + uint32_t i, poll_value; + + avr_jtag_sendinstr(avr->jtag_info.tap, NULL, AVR_JTAG_INS_PROG_COMMANDS); + avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x2310, AVR_JTAG_REG_ProgrammingCommand_Len); + + // load addr high byte + avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x0700 | ((addr >> 9) & 0xFF), AVR_JTAG_REG_ProgrammingCommand_Len); + + // load addr low byte + avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x0300 | ((addr >> 1) & 0xFF), AVR_JTAG_REG_ProgrammingCommand_Len); + + avr_jtag_sendinstr(avr->jtag_info.tap, NULL, AVR_JTAG_INS_PROG_PAGELOAD); + + for (i = 0; i < page_size; i++) + { + if (i < buf_size) + { + avr_jtag_senddat(avr->jtag_info.tap, NULL, page_buf[i], 8); + } + else + { + avr_jtag_senddat(avr->jtag_info.tap, NULL, 0xFF, 8); + } + } + + avr_jtag_sendinstr(avr->jtag_info.tap, NULL, AVR_JTAG_INS_PROG_COMMANDS); + + avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x3700, AVR_JTAG_REG_ProgrammingCommand_Len); + avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x3500, AVR_JTAG_REG_ProgrammingCommand_Len); + avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x3700, AVR_JTAG_REG_ProgrammingCommand_Len); + avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x3700, AVR_JTAG_REG_ProgrammingCommand_Len); + + do { + poll_value = 0; + avr_jtag_senddat(avr->jtag_info.tap, &poll_value, 0x3700, AVR_JTAG_REG_ProgrammingCommand_Len); + if (ERROR_OK != mcu_execute_queue()) + { + return ERROR_FAIL; + } + LOG_DEBUG("poll_value = 0x%04" PRIx32 "", poll_value); + } while (!(poll_value & 0x0200)); + + return ERROR_OK; +} + +FLASH_BANK_COMMAND_HANDLER(avrf_flash_bank_command) +{ + struct avrf_flash_bank *avrf_info; + + if (argc < 6) + { + LOG_WARNING("incomplete flash_bank avr configuration"); + return ERROR_FLASH_BANK_INVALID; + } + + avrf_info = malloc(sizeof(struct avrf_flash_bank)); + bank->driver_priv = avrf_info; + + avrf_info->probed = 0; + + return ERROR_OK; +} + +static int avrf_erase(struct flash_bank_s *bank, int first, int last) +{ + LOG_INFO("%s", __FUNCTION__); + return ERROR_OK; +} + +static int avrf_protect(struct flash_bank_s *bank, int set, int first, int last) +{ + LOG_INFO("%s", __FUNCTION__); + return ERROR_OK; +} + +static int avrf_write(struct flash_bank_s *bank, uint8_t *buffer, uint32_t offset, uint32_t count) +{ + target_t *target = bank->target; + avr_common_t *avr = target->arch_info; + uint32_t cur_size, cur_buffer_size, page_size; + + if (bank->target->state != TARGET_HALTED) + { + LOG_ERROR("Target not halted"); + return ERROR_TARGET_NOT_HALTED; + } + + page_size = bank->sectors[0].size; + if ((offset % page_size) != 0) + { + LOG_WARNING("offset 0x%" PRIx32 " breaks required %" PRIu32 "-byte alignment", offset, page_size); + return ERROR_FLASH_DST_BREAKS_ALIGNMENT; + } + + LOG_DEBUG("offset is 0x%08" PRIx32 "", offset); + LOG_DEBUG("count is %" PRId32 "", count); + + if (ERROR_OK != avr_jtagprg_enterprogmode(avr)) + { + return ERROR_FAIL; + } + + cur_size = 0; + while (count > 0) + { + if (count > page_size) + { + cur_buffer_size = page_size; + } + else + { + cur_buffer_size = count; + } + avr_jtagprg_writeflashpage(avr, buffer + cur_size, cur_buffer_size, offset + cur_size, page_size); + count -= cur_buffer_size; + cur_size += cur_buffer_size; + + keep_alive(); + } + + return avr_jtagprg_leaveprogmode(avr); +} + +#define EXTRACT_MFG(X) (((X) & 0xffe) >> 1) +#define EXTRACT_PART(X) (((X) & 0xffff000) >> 12) +#define EXTRACT_VER(X) (((X) & 0xf0000000) >> 28) +static int avrf_probe(struct flash_bank_s *bank) +{ + target_t *target = bank->target; + struct avrf_flash_bank *avrf_info = bank->driver_priv; + avr_common_t *avr = target->arch_info; + struct avrf_type *avr_info = NULL; + int i; + uint32_t device_id; + + if (bank->target->state != TARGET_HALTED) + { + LOG_ERROR("Target not halted"); + return ERROR_TARGET_NOT_HALTED; + } + + avrf_info->probed = 0; + + avr_jtag_read_jtagid(avr, &device_id); + if (ERROR_OK != mcu_execute_queue()) + { + return ERROR_FAIL; + } + + LOG_INFO("device id = 0x%08" PRIx32 "", device_id); + if (EXTRACT_MFG(device_id) != 0x1F) + { + LOG_ERROR("0x%" PRIx32 " is invalid Manufacturer for avr, 0x%X is expected", EXTRACT_MFG(device_id), 0x1F); + } + + for (i = 0; i < (int)(sizeof(avft_chips_info) / sizeof(avft_chips_info[0])); i++) + { + if (avft_chips_info[i].chip_id == EXTRACT_PART(device_id)) + { + avr_info = &avft_chips_info[i]; + LOG_INFO("target device is %s", avr_info->name); + break; + } + } + + if (avr_info != NULL) + { + // chip found + bank->base = 0x00000000; + bank->size = (avr_info->flash_page_size * avr_info->flash_page_num); + bank->num_sectors = avr_info->flash_page_num; + bank->sectors = malloc(sizeof(flash_sector_t) * avr_info->flash_page_num); + + for (i = 0; i < avr_info->flash_page_num; i++) + { + bank->sectors[i].offset = i * avr_info->flash_page_size; + bank->sectors[i].size = avr_info->flash_page_size; + bank->sectors[i].is_erased = -1; + bank->sectors[i].is_protected = 1; + } + + avrf_info->probed = 1; + return ERROR_OK; + } + else + { + // chip not supported + LOG_ERROR("0x%" PRIx32 " is not support for avr", EXTRACT_PART(device_id)); + + avrf_info->probed = 1; + return ERROR_FAIL; + } +} + +static int avrf_auto_probe(struct flash_bank_s *bank) +{ + struct avrf_flash_bank *avrf_info = bank->driver_priv; + if (avrf_info->probed) + return ERROR_OK; + return avrf_probe(bank); +} + +static int avrf_protect_check(struct flash_bank_s *bank) +{ + LOG_INFO("%s", __FUNCTION__); + return ERROR_OK; +} + +static int avrf_info(struct flash_bank_s *bank, char *buf, int buf_size) +{ + target_t *target = bank->target; + avr_common_t *avr = target->arch_info; + struct avrf_type *avr_info = NULL; + int i; + uint32_t device_id; + + if (bank->target->state != TARGET_HALTED) + { + LOG_ERROR("Target not halted"); + return ERROR_TARGET_NOT_HALTED; + } + + avr_jtag_read_jtagid(avr, &device_id); + if (ERROR_OK != mcu_execute_queue()) + { + return ERROR_FAIL; + } + + LOG_INFO("device id = 0x%08" PRIx32 "", device_id); + if (EXTRACT_MFG(device_id) != 0x1F) + { + LOG_ERROR("0x%" PRIx32 " is invalid Manufacturer for avr, 0x%X is expected", EXTRACT_MFG(device_id), 0x1F); + } + + for (i = 0; i < (int)(sizeof(avft_chips_info) / sizeof(avft_chips_info[0])); i++) + { + if (avft_chips_info[i].chip_id == EXTRACT_PART(device_id)) + { + avr_info = &avft_chips_info[i]; + LOG_INFO("target device is %s", avr_info->name); + + break; + } + } + + if (avr_info != NULL) + { + // chip found + snprintf(buf, buf_size, "%s - Rev: 0x%" PRIx32 "", avr_info->name, EXTRACT_VER(device_id)); + return ERROR_OK; + } + else + { + // chip not supported + snprintf(buf, buf_size, "Cannot identify target as a avr\n"); + return ERROR_FLASH_OPERATION_FAILED; + } +} + +static int avrf_mass_erase(struct flash_bank_s *bank) +{ + target_t *target = bank->target; + avr_common_t *avr = target->arch_info; + + if (target->state != TARGET_HALTED) + { + LOG_ERROR("Target not halted"); + return ERROR_TARGET_NOT_HALTED; + } + + if ((ERROR_OK != avr_jtagprg_enterprogmode(avr)) + || (ERROR_OK != avr_jtagprg_chiperase(avr)) + || (ERROR_OK != avr_jtagprg_leaveprogmode(avr))) + { + return ERROR_FAIL; + } + + return ERROR_OK; +} + +COMMAND_HANDLER(avrf_handle_mass_erase_command) +{ + int i; + + if (argc < 1) + { + command_print(cmd_ctx, "avr mass_erase "); + return ERROR_OK; + } + + flash_bank_t *bank; + int retval = flash_command_get_bank_by_num(cmd_ctx, args[0], &bank); + if (ERROR_OK != retval) + return retval; + + if (avrf_mass_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, "avr mass erase complete"); + } + else + { + command_print(cmd_ctx, "avr mass erase failed"); + } + + LOG_DEBUG("%s", __FUNCTION__); + return ERROR_OK; +} + +static int avrf_register_commands(struct command_context_s *cmd_ctx) +{ + command_t *avr_cmd = register_command(cmd_ctx, NULL, "avr", + NULL, COMMAND_ANY, "avr flash specific commands"); + + register_command(cmd_ctx, avr_cmd, "mass_erase", + avrf_handle_mass_erase_command, COMMAND_EXEC, + "mass erase device"); + + return ERROR_OK; +} + +flash_driver_t avr_flash = { + .name = "avr", + .register_commands = &avrf_register_commands, + .flash_bank_command = &avrf_flash_bank_command, + .erase = &avrf_erase, + .protect = &avrf_protect, + .write = &avrf_write, + .probe = &avrf_probe, + .auto_probe = &avrf_auto_probe, + .erase_check = &default_flash_mem_blank_check, + .protect_check = &avrf_protect_check, + .info = &avrf_info, + };