-/***************************************************************************\r
- * Copyright (C) 2009 by Simon Qian *\r
- * SimonQian@SimonQian.com *\r
- * *\r
- * This program is free software; you can redistribute it and/or modify *\r
- * it under the terms of the GNU General Public License as published by *\r
- * the Free Software Foundation; either version 2 of the License, or *\r
- * (at your option) any later version. *\r
- * *\r
- * This program is distributed in the hope that it will be useful, *\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *\r
- * GNU General Public License for more details. *\r
- * *\r
- * You should have received a copy of the GNU General Public License *\r
- * along with this program; if not, write to the *\r
- * Free Software Foundation, Inc., *\r
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *\r
- ***************************************************************************/\r
-#ifdef HAVE_CONFIG_H\r
-#include "config.h"\r
-#endif\r
-\r
-#include "replacements.h"\r
-\r
-#include "avrf.h"\r
-#include "avrt.h"\r
-#include "flash.h"\r
-#include "target.h"\r
-#include "log.h"\r
-#include "algorithm.h"\r
-#include "binarybuffer.h"\r
-\r
-#include <stdlib.h>\r
-#include <string.h>\r
-\r
-/* AVR_JTAG_Instructions */\r
-#define AVR_JTAG_INS_LEN 4\r
-// Public Instructions:\r
-#define AVR_JTAG_INS_EXTEST 0x00\r
-#define AVR_JTAG_INS_IDCODE 0x01\r
-#define AVR_JTAG_INS_SAMPLE_PRELOAD 0x02\r
-#define AVR_JTAG_INS_BYPASS 0x0F\r
-// AVR Specified Public Instructions:\r
-#define AVR_JTAG_INS_AVR_RESET 0x0C\r
-#define AVR_JTAG_INS_PROG_ENABLE 0x04\r
-#define AVR_JTAG_INS_PROG_COMMANDS 0x05\r
-#define AVR_JTAG_INS_PROG_PAGELOAD 0x06\r
-#define AVR_JTAG_INS_PROG_PAGEREAD 0x07\r
-\r
-// Data Registers:\r
-#define AVR_JTAG_REG_Bypass_Len 1\r
-#define AVR_JTAG_REG_DeviceID_Len 32\r
-\r
-#define AVR_JTAG_REG_Reset_Len 1\r
-#define AVR_JTAG_REG_JTAGID_Len 32\r
-#define AVR_JTAG_REG_ProgrammingEnable_Len 16\r
-#define AVR_JTAG_REG_ProgrammingCommand_Len 15\r
-#define AVR_JTAG_REG_FlashDataByte_Len 16\r
-\r
-avrf_type_t avft_chips_info[] = \r
-{\r
-// name, chip_id, flash_page_size, flash_page_num, eeprom_page_size, eeprom_page_num\r
- {"atmega128", 0x9702, 256, 512, 8, 512},\r
-};\r
-\r
-static int avrf_register_commands(struct command_context_s *cmd_ctx);\r
-static int avrf_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);\r
-static int avrf_erase(struct flash_bank_s *bank, int first, int last);\r
-static int avrf_protect(struct flash_bank_s *bank, int set, int first, int last);\r
-static int avrf_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count);\r
-static int avrf_probe(struct flash_bank_s *bank);\r
-static int avrf_auto_probe(struct flash_bank_s *bank);\r
-//static int avrf_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
-static int avrf_protect_check(struct flash_bank_s *bank);\r
-static int avrf_info(struct flash_bank_s *bank, char *buf, int buf_size);\r
-\r
-static int avrf_handle_mass_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
-\r
-extern int avr_jtag_sendinstr(jtag_tap_t *tap, u8 *ir_in, u8 ir_out);\r
-extern int avr_jtag_senddat(jtag_tap_t *tap, u32 *dr_in, u32 dr_out, int len);\r
-\r
-extern int mcu_write_ir(jtag_tap_t *tap, u8 *ir_in, u8 *ir_out, int ir_len, int rti);\r
-extern int mcu_write_dr(jtag_tap_t *tap, u8 *ir_in, u8 *ir_out, int dr_len, int rti);\r
-extern int mcu_write_ir_u8(jtag_tap_t *tap, u8 *ir_in, u8 ir_out, int ir_len, int rti);\r
-extern int mcu_write_dr_u8(jtag_tap_t *tap, u8 *ir_in, u8 ir_out, int dr_len, int rti);\r
-extern int mcu_write_ir_u16(jtag_tap_t *tap, u16 *ir_in, u16 ir_out, int ir_len, int rti);\r
-extern int mcu_write_dr_u16(jtag_tap_t *tap, u16 *ir_in, u16 ir_out, int dr_len, int rti);\r
-extern int mcu_write_ir_u32(jtag_tap_t *tap, u32 *ir_in, u32 ir_out, int ir_len, int rti);\r
-extern int mcu_write_dr_u32(jtag_tap_t *tap, u32 *ir_in, u32 ir_out, int dr_len, int rti);\r
-extern int mcu_execute_queue(void);\r
-\r
-flash_driver_t avr_flash =\r
-{\r
- .name = "avr",\r
- .register_commands = avrf_register_commands,\r
- .flash_bank_command = avrf_flash_bank_command,\r
- .erase = avrf_erase,\r
- .protect = avrf_protect,\r
- .write = avrf_write,\r
- .probe = avrf_probe,\r
- .auto_probe = avrf_auto_probe,\r
- .erase_check = default_flash_mem_blank_check,\r
- .protect_check = avrf_protect_check,\r
- .info = avrf_info\r
-};\r
-\r
-/* avr program functions */\r
-static int avr_jtag_reset(avr_common_t *avr, u32 reset)\r
-{\r
- avr_jtag_sendinstr(avr->jtag_info.tap, NULL, AVR_JTAG_INS_AVR_RESET);\r
- avr_jtag_senddat(avr->jtag_info.tap, NULL, reset ,AVR_JTAG_REG_Reset_Len);\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-static int avr_jtag_read_jtagid(avr_common_t *avr, u32 *id)\r
-{\r
- avr_jtag_sendinstr(avr->jtag_info.tap, NULL, AVR_JTAG_INS_IDCODE);\r
- avr_jtag_senddat(avr->jtag_info.tap, id, 0, AVR_JTAG_REG_JTAGID_Len);\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-static int avr_jtagprg_enterprogmode(avr_common_t *avr)\r
-{\r
- avr_jtag_reset(avr, 1);\r
- \r
- avr_jtag_sendinstr(avr->jtag_info.tap, NULL, AVR_JTAG_INS_PROG_ENABLE);\r
- avr_jtag_senddat(avr->jtag_info.tap, NULL, 0xA370, AVR_JTAG_REG_ProgrammingEnable_Len);\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-static int avr_jtagprg_leaveprogmode(avr_common_t *avr)\r
-{\r
- avr_jtag_sendinstr(avr->jtag_info.tap, NULL, AVR_JTAG_INS_PROG_COMMANDS);\r
- avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x2300, AVR_JTAG_REG_ProgrammingCommand_Len);\r
- avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x3300, AVR_JTAG_REG_ProgrammingCommand_Len);\r
-\r
- avr_jtag_sendinstr(avr->jtag_info.tap, NULL, AVR_JTAG_INS_PROG_ENABLE);\r
- avr_jtag_senddat(avr->jtag_info.tap, NULL, 0, AVR_JTAG_REG_ProgrammingEnable_Len);\r
-\r
- avr_jtag_reset(avr, 0);\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-static int avr_jtagprg_chiperase(avr_common_t *avr)\r
-{\r
- u32 poll_value;\r
- \r
- avr_jtag_sendinstr(avr->jtag_info.tap, NULL, AVR_JTAG_INS_PROG_COMMANDS);\r
- avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x2380, AVR_JTAG_REG_ProgrammingCommand_Len);\r
- avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x3180, AVR_JTAG_REG_ProgrammingCommand_Len);\r
- avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x3380, AVR_JTAG_REG_ProgrammingCommand_Len);\r
- avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x3380, AVR_JTAG_REG_ProgrammingCommand_Len);\r
- \r
- do{\r
- poll_value = 0;\r
- avr_jtag_senddat(avr->jtag_info.tap, &poll_value, 0x3380, AVR_JTAG_REG_ProgrammingCommand_Len);\r
- if (ERROR_OK != mcu_execute_queue())\r
- {\r
- return ERROR_FAIL;\r
- }\r
- LOG_DEBUG("poll_value = 0x%04X", poll_value);\r
- }while(!(poll_value & 0x0200));\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-static int avr_jtagprg_writeflashpage(avr_common_t *avr, u8 *page_buf, u32 buf_size, u32 addr, u32 page_size)\r
-{\r
- u32 i, poll_value;\r
- \r
- avr_jtag_sendinstr(avr->jtag_info.tap, NULL, AVR_JTAG_INS_PROG_COMMANDS);\r
- avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x2310, AVR_JTAG_REG_ProgrammingCommand_Len);\r
- \r
- // load addr high byte\r
- avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x0700 | ((addr >> 9) & 0xFF), AVR_JTAG_REG_ProgrammingCommand_Len);\r
- \r
- // load addr low byte\r
- avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x0300 | ((addr >> 1) & 0xFF), AVR_JTAG_REG_ProgrammingCommand_Len);\r
- \r
- avr_jtag_sendinstr(avr->jtag_info.tap, NULL, AVR_JTAG_INS_PROG_PAGELOAD);\r
- \r
- for (i = 0; i < page_size; i++)\r
- {\r
- if (i < buf_size)\r
- {\r
- avr_jtag_senddat(avr->jtag_info.tap, NULL, page_buf[i], 8);\r
- }\r
- else\r
- {\r
- avr_jtag_senddat(avr->jtag_info.tap, NULL, 0xFF, 8);\r
- }\r
- }\r
- \r
- avr_jtag_sendinstr(avr->jtag_info.tap, NULL, AVR_JTAG_INS_PROG_COMMANDS);\r
- \r
- avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x3700, AVR_JTAG_REG_ProgrammingCommand_Len);\r
- avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x3500, AVR_JTAG_REG_ProgrammingCommand_Len);\r
- avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x3700, AVR_JTAG_REG_ProgrammingCommand_Len);\r
- avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x3700, AVR_JTAG_REG_ProgrammingCommand_Len);\r
- \r
- do{\r
- poll_value = 0;\r
- avr_jtag_senddat(avr->jtag_info.tap, &poll_value, 0x3700, AVR_JTAG_REG_ProgrammingCommand_Len);\r
- if (ERROR_OK != mcu_execute_queue())\r
- {\r
- return ERROR_FAIL;\r
- }\r
- LOG_DEBUG("poll_value = 0x%04X", poll_value);\r
- }while(!(poll_value & 0x0200));\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-/* interface command */\r
-static int avrf_register_commands(struct command_context_s *cmd_ctx)\r
-{\r
- command_t *avr_cmd = register_command(cmd_ctx, NULL, "avr", NULL, COMMAND_ANY, "avr flash specific commands");\r
- \r
- register_command(cmd_ctx, avr_cmd, "mass_erase", avrf_handle_mass_erase_command, COMMAND_EXEC,\r
- "mass erase device");\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-static int avrf_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)\r
-{\r
- avrf_flash_bank_t *avrf_info;\r
- \r
- if (argc < 6)\r
- {\r
- LOG_WARNING("incomplete flash_bank avr configuration");\r
- return ERROR_FLASH_BANK_INVALID;\r
- }\r
- \r
- avrf_info = malloc(sizeof(avrf_flash_bank_t));\r
- bank->driver_priv = avrf_info;\r
- \r
- avrf_info->probed = 0;\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-static int avrf_erase(struct flash_bank_s *bank, int first, int last)\r
-{\r
- LOG_INFO(__FUNCTION__);\r
- return ERROR_OK;\r
-}\r
-\r
-static int avrf_protect(struct flash_bank_s *bank, int set, int first, int last)\r
-{\r
- LOG_INFO(__FUNCTION__);\r
- return ERROR_OK;\r
-}\r
-\r
-static int avrf_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)\r
-{\r
- target_t *target = bank->target;\r
- avr_common_t *avr = target->arch_info;\r
- u32 cur_size, cur_buffer_size, page_size;\r
- \r
- if (bank->target->state != TARGET_HALTED)\r
- {\r
- LOG_ERROR("Target not halted");\r
- return ERROR_TARGET_NOT_HALTED;\r
- }\r
- \r
- page_size = bank->sectors[0].size;\r
- if ((offset % page_size) != 0)\r
- {\r
- LOG_WARNING("offset 0x%x breaks required %d-byte alignment", offset, page_size);\r
- return ERROR_FLASH_DST_BREAKS_ALIGNMENT;\r
- }\r
- \r
- LOG_DEBUG("offset is 0x%08X", offset);\r
- LOG_DEBUG("count is %d", count);\r
- \r
- if (ERROR_OK != avr_jtagprg_enterprogmode(avr))\r
- {\r
- return ERROR_FAIL;\r
- }\r
- \r
- cur_size = 0;\r
- while(count > 0)\r
- {\r
- if (count > page_size)\r
- {\r
- cur_buffer_size = page_size;\r
- }\r
- else\r
- {\r
- cur_buffer_size = count;\r
- }\r
- avr_jtagprg_writeflashpage(avr, buffer + cur_size, cur_buffer_size, offset + cur_size, page_size);\r
- count -= cur_buffer_size;\r
- cur_size += cur_buffer_size;\r
- \r
- keep_alive();\r
- }\r
- \r
- return avr_jtagprg_leaveprogmode(avr);\r
-}\r
-\r
-#define EXTRACT_MFG(X) (((X) & 0xffe) >> 1)\r
-#define EXTRACT_PART(X) (((X) & 0xffff000) >> 12)\r
-#define EXTRACT_VER(X) (((X) & 0xf0000000) >> 28)\r
-static int avrf_probe(struct flash_bank_s *bank)\r
-{\r
- target_t *target = bank->target;\r
- avrf_flash_bank_t *avrf_info = bank->driver_priv;\r
- avr_common_t *avr = target->arch_info;\r
- avrf_type_t *avr_info;\r
- int i;\r
- u32 device_id;\r
- \r
- if (bank->target->state != TARGET_HALTED)\r
- {\r
- LOG_ERROR("Target not halted");\r
- return ERROR_TARGET_NOT_HALTED;\r
- }\r
-\r
- avrf_info->probed = 0;\r
- \r
- avr_jtag_read_jtagid(avr, &device_id);\r
- if (ERROR_OK != mcu_execute_queue())\r
- {\r
- return ERROR_FAIL;\r
- }\r
- \r
- LOG_INFO( "device id = 0x%08x", device_id );\r
- if (EXTRACT_MFG(device_id) != 0x1F)\r
- {\r
- LOG_ERROR("0x%X is invalid Manufacturer for avr, 0x%X is expected", EXTRACT_MFG(device_id), 0x1F);\r
- }\r
- \r
- for (i = 0; i < (int)(sizeof(avft_chips_info) / sizeof(avft_chips_info[0])); i++)\r
- {\r
- if (avft_chips_info[i].chip_id == EXTRACT_PART(device_id))\r
- {\r
- avr_info = &avft_chips_info[i];\r
- LOG_INFO("target device is %s", avr_info->name);\r
- break;\r
- }\r
- }\r
- \r
- if (i < (int)(sizeof(avft_chips_info) / sizeof(avft_chips_info[0])))\r
- {\r
- // chip found\r
- bank->base = 0x00000000;\r
- bank->size = (avr_info->flash_page_size * avr_info->flash_page_num);\r
- bank->num_sectors = avr_info->flash_page_num;\r
- bank->sectors = malloc(sizeof(flash_sector_t) * avr_info->flash_page_num);\r
- \r
- for (i = 0; i < avr_info->flash_page_num; i++)\r
- {\r
- bank->sectors[i].offset = i * avr_info->flash_page_size;\r
- bank->sectors[i].size = avr_info->flash_page_size;\r
- bank->sectors[i].is_erased = -1;\r
- bank->sectors[i].is_protected = 1;\r
- }\r
- \r
- avrf_info->probed = 1;\r
- return ERROR_OK;\r
- }\r
- else\r
- {\r
- // chip not supported\r
- LOG_ERROR("0x%X is not support for avr", EXTRACT_PART(device_id));\r
- \r
- avrf_info->probed = 1;\r
- return ERROR_FAIL;\r
- }\r
-}\r
-\r
-static int avrf_auto_probe(struct flash_bank_s *bank)\r
-{\r
- avrf_flash_bank_t *avrf_info = bank->driver_priv;\r
- if (avrf_info->probed)\r
- return ERROR_OK;\r
- return avrf_probe(bank);\r
-}\r
-\r
-static int avrf_protect_check(struct flash_bank_s *bank)\r
-{\r
- LOG_INFO(__FUNCTION__);\r
- return ERROR_OK;\r
-}\r
-\r
-static int avrf_info(struct flash_bank_s *bank, char *buf, int buf_size)\r
-{\r
- target_t *target = bank->target;\r
- avr_common_t *avr = target->arch_info;\r
- avrf_type_t *avr_info;\r
- int i;\r
- u32 device_id;\r
- \r
- if (bank->target->state != TARGET_HALTED)\r
- {\r
- LOG_ERROR("Target not halted");\r
- return ERROR_TARGET_NOT_HALTED;\r
- }\r
- \r
- avr_jtag_read_jtagid(avr, &device_id);\r
- if (ERROR_OK != mcu_execute_queue())\r
- {\r
- return ERROR_FAIL;\r
- }\r
- \r
- LOG_INFO( "device id = 0x%08x", device_id );\r
- if (EXTRACT_MFG(device_id) != 0x1F)\r
- {\r
- LOG_ERROR("0x%X is invalid Manufacturer for avr, 0x%X is expected", EXTRACT_MFG(device_id), 0x1F);\r
- }\r
- \r
- for (i = 0; i < (int)(sizeof(avft_chips_info) / sizeof(avft_chips_info[0])); i++)\r
- {\r
- if (avft_chips_info[i].chip_id == EXTRACT_PART(device_id))\r
- {\r
- avr_info = &avft_chips_info[i];\r
- LOG_INFO("target device is %s", avr_info->name);\r
- \r
- return ERROR_OK;\r
- }\r
- }\r
- \r
- if (i < (int)(sizeof(avft_chips_info) / sizeof(avft_chips_info[0])))\r
- {\r
- // chip found\r
- snprintf(buf, buf_size, "%s - Rev: 0x%X", avr_info->name, EXTRACT_VER(device_id));\r
- return ERROR_OK;\r
- }\r
- else\r
- {\r
- // chip not supported\r
- snprintf(buf, buf_size, "Cannot identify target as a avr\n");\r
- return ERROR_FLASH_OPERATION_FAILED;\r
- }\r
-}\r
-\r
-static int avrf_mass_erase(struct flash_bank_s *bank)\r
-{\r
- target_t *target = bank->target;\r
- avr_common_t *avr = target->arch_info;\r
- \r
- if (target->state != TARGET_HALTED)\r
- {\r
- LOG_ERROR("Target not halted");\r
- return ERROR_TARGET_NOT_HALTED;\r
- }\r
- \r
- if ((ERROR_OK != avr_jtagprg_enterprogmode(avr))\r
- || (ERROR_OK != avr_jtagprg_chiperase(avr))\r
- || (ERROR_OK != avr_jtagprg_leaveprogmode(avr)))\r
- {\r
- return ERROR_FAIL;\r
- }\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-static int avrf_handle_mass_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
-{\r
- flash_bank_t *bank;\r
- int i;\r
- \r
- if (argc < 1)\r
- {\r
- command_print(cmd_ctx, "avr mass_erase <bank>");\r
- return ERROR_OK; \r
- }\r
- \r
- bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));\r
- if (!bank)\r
- {\r
- command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);\r
- return ERROR_OK;\r
- }\r
- \r
- if (avrf_mass_erase(bank) == ERROR_OK)\r
- {\r
- /* set all sectors as erased */\r
- for (i = 0; i < bank->num_sectors; i++)\r
- {\r
- bank->sectors[i].is_erased = 1;\r
- }\r
- \r
- command_print(cmd_ctx, "avr mass erase complete");\r
- }\r
- else\r
- {\r
- command_print(cmd_ctx, "avr mass erase failed");\r
- }\r
- \r
- LOG_DEBUG(__FUNCTION__);\r
- return ERROR_OK;\r
-}\r
+/***************************************************************************
+ * 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(struct avr_common *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(struct avr_common *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(struct avr_common *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(struct avr_common *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(struct avr_common *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(struct avr_common *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 (CMD_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 *bank, int first, int last)
+{
+ LOG_INFO("%s", __FUNCTION__);
+ return ERROR_OK;
+}
+
+static int avrf_protect(struct flash_bank *bank, int set, int first, int last)
+{
+ LOG_INFO("%s", __FUNCTION__);
+ return ERROR_OK;
+}
+
+static int avrf_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
+{
+ struct target *target = bank->target;
+ struct avr_common *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 *bank)
+{
+ struct target *target = bank->target;
+ struct avrf_flash_bank *avrf_info = bank->driver_priv;
+ struct avr_common *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(struct flash_sector) * 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 *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 *bank)
+{
+ LOG_INFO("%s", __FUNCTION__);
+ return ERROR_OK;
+}
+
+static int avrf_info(struct flash_bank *bank, char *buf, int buf_size)
+{
+ struct target *target = bank->target;
+ struct avr_common *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 *bank)
+{
+ struct target *target = bank->target;
+ struct avr_common *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 (CMD_ARGC < 1)
+ {
+ command_print(CMD_CTX, "avr mass_erase <bank>");
+ return ERROR_OK;
+ }
+
+ struct flash_bank *bank;
+ int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 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 *cmd_ctx)
+{
+ struct command *avr_cmd = COMMAND_REGISTER(cmd_ctx, NULL, "avr",
+ NULL, COMMAND_ANY, "avr flash specific commands");
+
+ COMMAND_REGISTER(cmd_ctx, avr_cmd, "mass_erase",
+ avrf_handle_mass_erase_command, COMMAND_EXEC,
+ "mass erase device");
+
+ return ERROR_OK;
+}
+
+struct flash_driver 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,
+ };
projects / fw / openocd / blobdiff