#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) */
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;
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);
FLASH_BANK_COMMAND_HANDLER(samd_flash_bank_command)
{
if (bank->base != SAMD_FLASH) {
- LOG_ERROR("Address 0x%08" PRIx32 " invalid bank address (try 0x%08" PRIx32
+ LOG_ERROR("Address " TARGET_ADDR_FMT
+ " invalid bank address (try 0x%08" PRIx32
"[at91samd series] )",
bank->base, SAMD_FLASH);
return ERROR_FAIL;
* 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)));
}
}
static COMMAND_HELPER(get_u64_from_hexarg, unsigned int num, uint64_t *value)
{
if (num >= CMD_ARGC) {
- command_print(CMD_CTX, "Too few Arguments.");
+ command_print(CMD, "Too few Arguments.");
return ERROR_COMMAND_SYNTAX_ERROR;
}
*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.",
+ command_print(CMD, "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);
+ command_print(CMD, "Argument %d needs to be a hex value.", num + 1);
return ERROR_COMMAND_SYNTAX_ERROR;
}
return 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;
}
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."
+ .help = "Deassert internal reset held by DSU.",
+ .usage = "",
},
{
.name = "info",
.mode = COMMAND_EXEC,
.help = "Print information about the current at91samd chip "
"and its flash configuration.",
+ .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