488 lines
14 KiB
C
488 lines
14 KiB
C
/***************************************************************************
|
|
* 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, see <http://www.gnu.org/licenses/>. *
|
|
***************************************************************************/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include "imp.h"
|
|
#include <target/avrt.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 {
|
|
char name[15];
|
|
uint16_t chip_id;
|
|
int flash_page_size;
|
|
int flash_page_num;
|
|
int eeprom_page_size;
|
|
int eeprom_page_num;
|
|
};
|
|
|
|
struct avrf_flash_bank {
|
|
int ppage_size;
|
|
bool probed;
|
|
};
|
|
|
|
static const 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},
|
|
{"atmega128rfa1", 0xa701, 128, 512, 8, 512},
|
|
{"atmega256rfr2", 0xa802, 256, 1024, 8, 1024},
|
|
{"at90can128", 0x9781, 256, 512, 8, 512},
|
|
{"at90usb128", 0x9782, 256, 512, 8, 512},
|
|
{"atmega164p", 0x940a, 128, 128, 4, 128},
|
|
{"atmega324p", 0x9508, 128, 256, 4, 256},
|
|
{"atmega324pa", 0x9511, 128, 256, 4, 256},
|
|
{"atmega644p", 0x960a, 256, 256, 8, 256},
|
|
{"atmega1284p", 0x9705, 256, 512, 8, 512},
|
|
};
|
|
|
|
/* 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,
|
|
const bool ext_addressing,
|
|
const uint8_t *page_buf,
|
|
uint32_t buf_size,
|
|
uint32_t addr,
|
|
uint32_t page_size)
|
|
{
|
|
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, 0x2310, AVR_JTAG_REG_ProgrammingCommand_Len);
|
|
|
|
/* load extended high byte */
|
|
if (ext_addressing)
|
|
avr_jtag_senddat(avr->jtag_info.tap,
|
|
NULL,
|
|
0x0b00 | ((addr >> 17) & 0xFF),
|
|
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 (uint32_t 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)
|
|
return ERROR_COMMAND_SYNTAX_ERROR;
|
|
|
|
avrf_info = malloc(sizeof(struct avrf_flash_bank));
|
|
bank->driver_priv = avrf_info;
|
|
|
|
avrf_info->probed = false;
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
static int avrf_erase(struct flash_bank *bank, unsigned int first,
|
|
unsigned int last)
|
|
{
|
|
struct target *target = bank->target;
|
|
struct avr_common *avr = target->arch_info;
|
|
int status;
|
|
|
|
LOG_DEBUG("%s", __func__);
|
|
|
|
if (target->state != TARGET_HALTED) {
|
|
LOG_ERROR("Target not halted");
|
|
return ERROR_TARGET_NOT_HALTED;
|
|
}
|
|
|
|
status = avr_jtagprg_enterprogmode(avr);
|
|
if (status != ERROR_OK)
|
|
return status;
|
|
|
|
status = avr_jtagprg_chiperase(avr);
|
|
if (status != ERROR_OK)
|
|
return status;
|
|
|
|
return avr_jtagprg_leaveprogmode(avr);
|
|
}
|
|
|
|
static int avrf_write(struct flash_bank *bank, const 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;
|
|
bool ext_addressing;
|
|
|
|
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 %" PRIu32 "", count);
|
|
|
|
if (ERROR_OK != avr_jtagprg_enterprogmode(avr))
|
|
return ERROR_FAIL;
|
|
|
|
if (bank->size > 0x20000)
|
|
ext_addressing = true;
|
|
else
|
|
ext_addressing = false;
|
|
|
|
cur_size = 0;
|
|
while (count > 0) {
|
|
if (count > page_size)
|
|
cur_buffer_size = page_size;
|
|
else
|
|
cur_buffer_size = count;
|
|
avr_jtagprg_writeflashpage(avr,
|
|
ext_addressing,
|
|
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;
|
|
const struct avrf_type *avr_info = NULL;
|
|
uint32_t device_id;
|
|
|
|
if (bank->target->state != TARGET_HALTED) {
|
|
LOG_ERROR("Target not halted");
|
|
return ERROR_TARGET_NOT_HALTED;
|
|
}
|
|
|
|
avrf_info->probed = false;
|
|
|
|
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 (size_t i = 0; i < ARRAY_SIZE(avft_chips_info); 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) {
|
|
free(bank->sectors);
|
|
|
|
/* 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 (int 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 = true;
|
|
return ERROR_OK;
|
|
} else {
|
|
/* chip not supported */
|
|
LOG_ERROR("0x%" PRIx32 " is not support for avr", EXTRACT_PART(device_id));
|
|
|
|
avrf_info->probed = true;
|
|
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_info(struct flash_bank *bank, char *buf, int buf_size)
|
|
{
|
|
struct target *target = bank->target;
|
|
struct avr_common *avr = target->arch_info;
|
|
const struct avrf_type *avr_info = NULL;
|
|
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 (size_t i = 0; i < ARRAY_SIZE(avft_chips_info); 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)
|
|
{
|
|
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 (avrf_mass_erase(bank) == ERROR_OK) {
|
|
/* set all sectors as erased */
|
|
for (unsigned int i = 0; i < bank->num_sectors; i++)
|
|
bank->sectors[i].is_erased = 1;
|
|
|
|
command_print(CMD, "avr mass erase complete");
|
|
} else
|
|
command_print(CMD, "avr mass erase failed");
|
|
|
|
LOG_DEBUG("%s", __func__);
|
|
return ERROR_OK;
|
|
}
|
|
|
|
static const struct command_registration avrf_exec_command_handlers[] = {
|
|
{
|
|
.name = "mass_erase",
|
|
.usage = "<bank>",
|
|
.handler = avrf_handle_mass_erase_command,
|
|
.mode = COMMAND_EXEC,
|
|
.help = "erase entire device",
|
|
},
|
|
COMMAND_REGISTRATION_DONE
|
|
};
|
|
static const struct command_registration avrf_command_handlers[] = {
|
|
{
|
|
.name = "avrf",
|
|
.mode = COMMAND_ANY,
|
|
.help = "AVR flash command group",
|
|
.usage = "",
|
|
.chain = avrf_exec_command_handlers,
|
|
},
|
|
COMMAND_REGISTRATION_DONE
|
|
};
|
|
|
|
const struct flash_driver avr_flash = {
|
|
.name = "avr",
|
|
.commands = avrf_command_handlers,
|
|
.flash_bank_command = avrf_flash_bank_command,
|
|
.erase = avrf_erase,
|
|
.write = avrf_write,
|
|
.read = default_flash_read,
|
|
.probe = avrf_probe,
|
|
.auto_probe = avrf_auto_probe,
|
|
.erase_check = default_flash_blank_check,
|
|
.info = avrf_info,
|
|
.free_driver_priv = default_flash_free_driver_priv,
|
|
};
|