+// SPDX-License-Identifier: GPL-2.0-or-later
+
/***************************************************************************
* Copyright (C) 2013 by Andrey Yurovsky *
* Andrey Yurovsky <yurovsky@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, see <http://www.gnu.org/licenses/>. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "imp.h"
#include "helper/binarybuffer.h"
+#include <jtag/jtag.h>
#include <target/cortex_m.h>
#define SAMD_NUM_PROT_BLOCKS 16
#define SAMD_NVMCTRL_CTRLA 0x00 /* NVM control A register */
#define SAMD_NVMCTRL_CTRLB 0x04 /* NVM control B register */
#define SAMD_NVMCTRL_PARAM 0x08 /* NVM parameters register */
-#define SAMD_NVMCTRL_INTFLAG 0x18 /* NVM Interupt Flag Status & Clear */
+#define SAMD_NVMCTRL_INTFLAG 0x18 /* NVM Interrupt Flag Status & Clear */
#define SAMD_NVMCTRL_STATUS 0x18 /* NVM status register */
#define SAMD_NVMCTRL_ADDR 0x1C /* NVM address register */
#define SAMD_NVMCTRL_LOCK 0x20 /* NVM Lock section register */
/* NVMCTRL commands. See Table 20-4 in 42129F–SAM–10/2013 */
#define SAMD_NVM_CMD_ER 0x02 /* Erase Row */
#define SAMD_NVM_CMD_WP 0x04 /* Write Page */
-#define SAMD_NVM_CMD_EAR 0x05 /* Erase Auxilary Row */
-#define SAMD_NVM_CMD_WAP 0x06 /* Write Auxilary Page */
+#define SAMD_NVM_CMD_EAR 0x05 /* Erase Auxiliary Row */
+#define SAMD_NVM_CMD_WAP 0x06 /* Write Auxiliary Page */
#define SAMD_NVM_CMD_LR 0x40 /* Lock Region */
#define SAMD_NVM_CMD_UR 0x41 /* Unlock Region */
#define SAMD_NVM_CMD_SPRM 0x42 /* Set Power Reduction Mode */
{ 0x26, "SAMD21E16B", 64, 8 },
{ 0x27, "SAMD21E15B", 32, 4 },
+ /* SAMD21 D and L Variants (from Errata)
+ http://ww1.microchip.com/downloads/en/DeviceDoc/
+ SAM-D21-Family-Silicon-Errata-and-DataSheet-Clarification-DS80000760D.pdf */
+ { 0x55, "SAMD21E16BU", 64, 8 },
+ { 0x56, "SAMD21E15BU", 32, 4 },
+ { 0x57, "SAMD21G16L", 64, 8 },
+ { 0x3E, "SAMD21E16L", 64, 8 },
+ { 0x3F, "SAMD21E15L", 32, 4 },
+ { 0x62, "SAMD21E16CU", 64, 8 },
+ { 0x63, "SAMD21E15CU", 32, 4 },
+ { 0x92, "SAMD21J17D", 128, 16 },
+ { 0x93, "SAMD21G17D", 128, 16 },
+ { 0x94, "SAMD21E17D", 128, 16 },
+ { 0x95, "SAMD21E17DU", 128, 16 },
+ { 0x96, "SAMD21G17L", 128, 16 },
+ { 0x97, "SAMD21E17L", 128, 16 },
+
/* Known SAMDA1 parts.
SAMD-A1 series uses the same series identifier like the SAMD21
taken from http://ww1.microchip.com/downloads/en/DeviceDoc/40001895A.pdf (pages 14-17) */
/* SAMR34/R35 parts have integrated SAML21 with a lora radio */
{ 0x28, "SAMR34J18", 256, 32 },
+ { 0x2B, "SAMR35J18", 256, 32 },
};
/* Known SAML22 parts. */
{
uint8_t devsel = SAMD_GET_DEVSEL(id);
const struct samd_family *family = samd_find_family(id);
- if (family == NULL)
+ if (!family)
return NULL;
for (unsigned i = 0; i < family->num_parts; i++) {
static int samd_protect_check(struct flash_bank *bank)
{
- int res, prot_block;
+ int res;
uint16_t lock;
res = target_read_u16(bank->target,
return res;
/* Lock bits are active-low */
- for (prot_block = 0; prot_block < bank->num_prot_blocks; prot_block++)
+ for (unsigned int prot_block = 0; prot_block < bank->num_prot_blocks; prot_block++)
bank->prot_blocks[prot_block].is_protected = !(lock & (1u<<prot_block));
return ERROR_OK;
}
part = samd_find_part(id);
- if (part == NULL) {
+ if (!part) {
LOG_ERROR("Couldn't find part corresponding to DID %08" PRIx32, id);
return ERROR_FAIL;
}
}
/* Issue the NVM command */
- res = target_write_u16(target,
+ res = target_write_u32(target,
SAMD_NVMCTRL + SAMD_NVMCTRL_CTRLA, SAMD_NVM_CMD(cmd));
if (res != ERROR_OK)
return res;
}
const struct samd_family *family;
family = samd_find_family(id);
- if (family == NULL) {
+ if (!family) {
LOG_ERROR("Couldn't determine device family");
return ERROR_FAIL;
}
return samd_modify_user_row_masked(target, value << startb, mask);
}
-static int samd_protect(struct flash_bank *bank, int set, int first_prot_bl, int last_prot_bl)
+static int samd_protect(struct flash_bank *bank, int set,
+ unsigned int first, unsigned int last)
{
int res = ERROR_OK;
- int prot_block;
/* We can issue lock/unlock region commands with the target running but
* the settings won't persist unless we're able to modify the LOCK regions
return ERROR_TARGET_NOT_HALTED;
}
- for (prot_block = first_prot_bl; prot_block <= last_prot_bl; prot_block++) {
+ for (unsigned int prot_block = first; prot_block <= last; prot_block++) {
if (set != bank->prot_blocks[prot_block].is_protected) {
/* Load an address that is within this protection block (we use offset 0) */
res = target_write_u32(bank->target,
res = samd_modify_user_row(bank->target,
set ? (uint64_t)0 : (uint64_t)UINT64_MAX,
- 48 + first_prot_bl, 48 + last_prot_bl);
+ 48 + first, 48 + last);
if (res != ERROR_OK)
LOG_WARNING("SAMD: protect settings were not made persistent!");
return res;
}
-static int samd_erase(struct flash_bank *bank, int first_sect, int last_sect)
+static int samd_erase(struct flash_bank *bank, unsigned int first,
+ unsigned int last)
{
- int res, s;
+ int res;
struct samd_info *chip = (struct samd_info *)bank->driver_priv;
if (bank->target->state != TARGET_HALTED) {
}
/* For each sector to be erased */
- for (s = first_sect; s <= last_sect; s++) {
+ for (unsigned int s = first; s <= last; s++) {
res = samd_erase_row(bank->target, bank->sectors[s].offset);
if (res != ERROR_OK) {
LOG_ERROR("SAMD: failed to erase sector %d at 0x%08" PRIx32, s, bank->sectors[s].offset);
}
free_pb:
- if (pb)
- free(pb);
-
+ free(pb);
return res;
}
return ERROR_OK;
}
-COMMAND_HANDLER(samd_handle_info_command)
-{
- return ERROR_OK;
-}
-
COMMAND_HANDLER(samd_handle_chip_erase_command)
{
struct target *target = get_current_target(CMD_CTX);
* perform the erase. */
res = target_write_u8(target, SAMD_DSU + SAMD_DSU_CTRL_EXT, (1<<4));
if (res == ERROR_OK)
- command_print(CMD_CTX, "chip erase started");
+ command_print(CMD, "chip erase started");
else
- command_print(CMD_CTX, "write to DSU CTRL failed");
+ command_print(CMD, "write to DSU CTRL failed");
}
return res;
struct target *target = get_current_target(CMD_CTX);
if (CMD_ARGC < 1 || (CMD_ARGC >= 1 && (strcmp(CMD_ARGV[0], "enable")))) {
- command_print(CMD_CTX, "supply the \"enable\" argument to proceed.");
+ command_print(CMD, "supply the \"enable\" argument to proceed.");
return ERROR_COMMAND_SYNTAX_ERROR;
}
/* Check (and clear) error conditions */
if (res == ERROR_OK)
- command_print(CMD_CTX, "chip secured on next power-cycle");
+ command_print(CMD, "chip secured on next power-cycle");
else
- command_print(CMD_CTX, "failed to secure chip");
+ command_print(CMD, "failed to secure chip");
}
return res;
}
if (code > 6) {
- command_print(CMD_CTX, "Invalid EEPROM size. Please see "
+ command_print(CMD, "Invalid EEPROM size. Please see "
"datasheet for a list valid sizes.");
return ERROR_COMMAND_SYNTAX_ERROR;
}
uint32_t size = ((val >> 4) & 0x7); /* grab size code */
if (size == 0x7)
- command_print(CMD_CTX, "EEPROM is disabled");
+ command_print(CMD, "EEPROM is disabled");
else {
/* Otherwise, 6 is 256B, 0 is 16KB */
- command_print(CMD_CTX, "EEPROM size is %u bytes",
+ command_print(CMD, "EEPROM size is %u bytes",
(2 << (13 - size)));
}
}
return res;
}
-static COMMAND_HELPER(get_u64_from_hexarg, unsigned int num, uint64_t *value)
-{
- if (num >= CMD_ARGC) {
- command_print(CMD_CTX, "Too few Arguments.");
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
-
- if (strlen(CMD_ARGV[num]) >= 3 &&
- CMD_ARGV[num][0] == '0' &&
- CMD_ARGV[num][1] == 'x') {
- char *check = NULL;
- *value = strtoull(&(CMD_ARGV[num][2]), &check, 16);
- if ((value == 0 && errno == ERANGE) ||
- check == NULL || *check != 0) {
- command_print(CMD_CTX, "Invalid 64-bit hex value in argument %d.",
- num + 1);
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
- } else {
- command_print(CMD_CTX, "Argument %d needs to be a hex value.", num + 1);
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
- return ERROR_OK;
-}
-
COMMAND_HANDLER(samd_handle_nvmuserrow_command)
{
int res = ERROR_OK;
if (target) {
if (CMD_ARGC > 2) {
- command_print(CMD_CTX, "Too much Arguments given.");
+ command_print(CMD, "Too much Arguments given.");
return ERROR_COMMAND_SYNTAX_ERROR;
}
mask &= NVMUSERROW_LOCKBIT_MASK;
uint64_t value;
- res = CALL_COMMAND_HANDLER(get_u64_from_hexarg, 0, &value);
- if (res != ERROR_OK)
- return res;
+ COMMAND_PARSE_NUMBER(u64, CMD_ARGV[0], value);
+
if (CMD_ARGC == 2) {
uint64_t mask_temp;
- res = CALL_COMMAND_HANDLER(get_u64_from_hexarg, 1, &mask_temp);
- if (res != ERROR_OK)
- return res;
+ COMMAND_PARSE_NUMBER(u64, CMD_ARGV[1], mask_temp);
+
mask &= mask_temp;
}
res = samd_modify_user_row_masked(target, value, mask);
uint64_t value;
res = read_userrow(target, &value);
if (res == ERROR_OK)
- command_print(CMD_CTX, "NVMUSERROW: 0x%016"PRIX64, value);
+ command_print(CMD, "NVMUSERROW: 0x%016"PRIX64, value);
else
LOG_ERROR("NVMUSERROW could not be read.");
}
}
if (code > 6) {
- command_print(CMD_CTX, "Invalid bootloader size. Please "
+ command_print(CMD, "Invalid bootloader size. Please "
"see datasheet for a list valid sizes.");
return ERROR_COMMAND_SYNTAX_ERROR;
}
nb = (2 << (8 - size)) * page_size;
/* There are 4 pages per row */
- command_print(CMD_CTX, "Bootloader size is %" PRIu32 " bytes (%" PRIu32 " rows)",
+ command_print(CMD, "Bootloader size is %" PRIu32 " bytes (%" PRIu32 " rows)",
nb, (uint32_t)(nb / (page_size * 4)));
}
}
.name = "dsu_reset_deassert",
.handler = samd_handle_reset_deassert,
.mode = COMMAND_EXEC,
- .help = "Deasert internal reset held by DSU."
- },
- {
- .name = "info",
- .handler = samd_handle_info_command,
- .mode = COMMAND_EXEC,
- .help = "Print information about the current at91samd chip "
- "and its flash configuration.",
+ .help = "Deassert internal reset held by DSU.",
+ .usage = "",
},
{
.name = "chip-erase",
.mode = COMMAND_EXEC,
.help = "Erase the entire Flash by using the Chip-"
"Erase feature in the Device Service Unit (DSU).",
+ .usage = "",
},
{
.name = "set-security",
"This makes it impossible to read the Flash contents. "
"The only way to undo this is to issue the chip-erase "
"command.",
+ .usage = "'enable'",
},
{
.name = "eeprom",
COMMAND_REGISTRATION_DONE
};
-struct flash_driver at91samd_flash = {
+const struct flash_driver at91samd_flash = {
.name = "at91samd",
.commands = at91samd_command_handlers,
.flash_bank_command = samd_flash_bank_command,
projects / fw / openocd / blobdiff