*
*/
-/* Addressess */
+/* Addresses */
#define FCF_ADDRESS 0x00000400
#define FCF_FPROT 0x8
#define FCF_FSEC 0xc
static bool allow_fcf_writes;
static uint8_t fcf_fopt = 0xff;
-static bool fcf_fopt_configured;
static bool create_banks;
}
}
- LOG_DEBUG("MDM: halt succeded after %d attempts.", tries);
+ LOG_DEBUG("MDM: halt succeeded after %d attempts.", tries);
target_poll(target);
/* enable polling in case kinetis_check_flash_security_status disabled it */
if ((val & (MDM_STAT_SYSSEC | MDM_STAT_FREADY)) != MDM_STAT_FREADY) {
uint32_t stats[32];
- int i;
- for (i = 0; i < 32; i++) {
+ for (unsigned int i = 0; i < 32; i++) {
stats[i] = MDM_STAT_FREADY;
dap_queue_ap_read(dap_ap(dap, MDM_AP), MDM_REG_STAT, &stats[i]);
}
LOG_DEBUG("MDM: dap_run failed when validating secured state");
return ERROR_OK;
}
- for (i = 0; i < 32; i++) {
+ for (unsigned int i = 0; i < 32; i++) {
if (stats[i] & MDM_STAT_SYSSEC)
secured_score++;
if (!(stats[i] & MDM_STAT_FREADY))
static int kinetis_chip_options(struct kinetis_chip *k_chip, int argc, const char *argv[])
{
- int i;
- for (i = 0; i < argc; i++) {
+ for (int i = 0; i < argc; i++) {
if (strcmp(argv[i], "-sim-base") == 0) {
if (i + 1 < argc)
k_chip->sim_base = strtoul(argv[++i], NULL, 0);
static int kinetis_create_missing_banks(struct kinetis_chip *k_chip)
{
- unsigned bank_idx;
unsigned num_blocks;
struct kinetis_flash_bank *k_bank;
struct flash_bank *bank;
*p = '\0';
}
- for (bank_idx = 1; bank_idx < num_blocks; bank_idx++) {
+ for (unsigned int bank_idx = 1; bank_idx < num_blocks; bank_idx++) {
k_bank = &(k_chip->banks[bank_idx]);
bank = k_bank->bank;
static int kinetis_ftfx_prepare(struct target *target)
{
- int result, i;
+ int result;
uint8_t fstat;
/* wait until busy */
- for (i = 0; i < 50; i++) {
+ for (unsigned int i = 0; i < 50; i++) {
result = target_read_u8(target, FTFx_FSTAT, &fstat);
if (result != ERROR_OK)
return result;
uint32_t offset, uint32_t wcount)
{
struct target *target = bank->target;
- uint32_t buffer_size = 2048; /* Default minimum value */
+ uint32_t buffer_size;
struct working_area *write_algorithm;
struct working_area *source;
struct kinetis_flash_bank *k_bank = bank->driver_priv;
int retval;
uint8_t fstat;
- /* Increase buffer_size if needed */
- if (buffer_size < (target->working_area_size/2))
- buffer_size = (target->working_area_size/2);
-
/* allocate working area with flash programming code */
if (target_alloc_working_area(target, sizeof(kinetis_flash_write_code),
&write_algorithm) != ERROR_OK) {
if (retval != ERROR_OK)
return retval;
- /* memory buffer */
- while (target_alloc_working_area(target, buffer_size, &source) != ERROR_OK) {
- buffer_size /= 4;
- if (buffer_size <= 256) {
- /* free working area, write algorithm already allocated */
- target_free_working_area(target, write_algorithm);
+ /* memory buffer, size *must* be multiple of word */
+ buffer_size = target_get_working_area_avail(target) & ~(sizeof(uint32_t) - 1);
+ if (buffer_size < 256) {
+ LOG_WARNING("large enough working area not available, can't do block memory writes");
+ return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
+ } else if (buffer_size > 16384) {
+ /* probably won't benefit from more than 16k ... */
+ buffer_size = 16384;
+ }
- LOG_WARNING("No large enough working area available, can't do block memory writes");
- return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
- }
+ if (target_alloc_working_area(target, buffer_size, &source) != ERROR_OK) {
+ LOG_ERROR("allocating working area failed");
+ return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
return retval;
}
-static int kinetis_protect(struct flash_bank *bank, int set, int first, int last)
+static int kinetis_protect(struct flash_bank *bank, int set, unsigned int first,
+ unsigned int last)
{
- int i;
-
if (allow_fcf_writes) {
LOG_ERROR("Protection setting is possible with 'kinetis fcf_source protection' only!");
return ERROR_FAIL;
return ERROR_FLASH_BANK_INVALID;
}
- for (i = first; i < bank->num_prot_blocks && i <= last; i++)
+ for (unsigned int i = first; i < bank->num_prot_blocks && i <= last; i++)
bank->prot_blocks[i].is_protected = set;
LOG_INFO("Protection bits will be written at the next FCF sector erase or write.");
{
struct kinetis_flash_bank *k_bank = bank->driver_priv;
int result;
- int i, b;
+ int b;
uint32_t fprot;
if (k_bank->flash_class == FC_PFLASH) {
}
b = k_bank->protection_block;
- for (i = 0; i < bank->num_prot_blocks; i++) {
+ for (unsigned int i = 0; i < bank->num_prot_blocks; i++) {
if ((fprot >> b) & 1)
bank->prot_blocks[i].is_protected = 0;
else
uint32_t fprot = 0xffffffff;
uint8_t fsec = 0xfe; /* set MCU unsecure */
uint8_t fdprot = 0xff;
- int i;
- unsigned bank_idx;
unsigned num_blocks;
uint32_t pflash_bit;
uint8_t dflash_bit;
/* iterate over all kinetis banks */
/* current bank is bank 0, it contains FCF */
num_blocks = k_chip->num_pflash_blocks + k_chip->num_nvm_blocks;
- for (bank_idx = 0; bank_idx < num_blocks; bank_idx++) {
+ for (unsigned int bank_idx = 0; bank_idx < num_blocks; bank_idx++) {
k_bank = &(k_chip->banks[bank_idx]);
bank_iter = k_bank->bank;
if (bank_iter == NULL) {
- LOG_WARNING("Missing bank %u configuration, FCF protection flags may be incomplette", bank_idx);
+ LOG_WARNING("Missing bank %u configuration, FCF protection flags may be incomplete", bank_idx);
continue;
}
kinetis_auto_probe(bank_iter);
+ assert(bank_iter->prot_blocks);
+
if (k_bank->flash_class == FC_PFLASH) {
- for (i = 0; i < bank_iter->num_prot_blocks; i++) {
+ for (unsigned int i = 0; i < bank_iter->num_prot_blocks; i++) {
if (bank_iter->prot_blocks[i].is_protected == 1)
fprot &= ~pflash_bit;
}
} else if (k_bank->flash_class == FC_FLEX_NVM) {
- for (i = 0; i < bank_iter->num_prot_blocks; i++) {
+ for (unsigned int i = 0; i < bank_iter->num_prot_blocks; i++) {
if (bank_iter->prot_blocks[i].is_protected == 1)
fdprot &= ~dflash_bit;
static int kinetis_check_run_mode(struct kinetis_chip *k_chip)
{
- int result, i;
+ int result;
uint8_t pmstat;
struct target *target;
if (result != ERROR_OK)
return result;
- for (i = 100; i; i--) {
+ for (unsigned int i = 100; i > 0; i--) {
result = kinetis_read_pmstat(k_chip, &pmstat);
if (result != ERROR_OK)
return result;
}
-static int kinetis_erase(struct flash_bank *bank, int first, int last)
+static int kinetis_erase(struct flash_bank *bank, unsigned int first,
+ unsigned int last)
{
- int result, i;
+ int result;
struct kinetis_flash_bank *k_bank = bank->driver_priv;
struct kinetis_chip *k_chip = k_bank->k_chip;
* requested erase is PFlash or NVM and encompasses the entire
* block. Should be quicker.
*/
- for (i = first; i <= last; i++) {
+ for (unsigned int i = first; i <= last; i++) {
/* set command and sector address */
result = kinetis_ftfx_command(bank->target, FTFx_CMD_SECTERASE, k_bank->prog_base + bank->sectors[i].offset,
0, 0, 0, 0, 0, 0, 0, 0, NULL);
if (result != ERROR_OK) {
- LOG_WARNING("erase sector %d failed", i);
+ LOG_WARNING("erase sector %u failed", i);
return ERROR_FLASH_OPERATION_FAILED;
}
- bank->sectors[i].is_erased = 1;
-
if (k_bank->prog_base == 0
&& bank->sectors[i].offset <= FCF_ADDRESS
&& bank->sectors[i].offset + bank->sectors[i].size > FCF_ADDRESS + FCF_SIZE) {
result = kinetis_write_inner(bank, fcf_buffer, FCF_ADDRESS, FCF_SIZE);
if (result != ERROR_OK)
LOG_WARNING("Flash Configuration Field write failed");
- bank->sectors[i].is_erased = 0;
+ else
+ LOG_DEBUG("Generated FCF written");
}
}
}
buffer += size;
offset += size;
count -= size;
+
+ keep_alive();
}
free(buffer_aligned);
static int kinetis_write_inner(struct flash_bank *bank, const uint8_t *buffer,
uint32_t offset, uint32_t count)
{
- int result, fallback = 0;
+ int result;
+ bool fallback = false;
struct kinetis_flash_bank *k_bank = bank->driver_priv;
struct kinetis_chip *k_chip = k_bank->k_chip;
if (!(k_chip->flash_support & FS_PROGRAM_SECTOR)) {
/* fallback to longword write */
- fallback = 1;
+ fallback = true;
LOG_INFO("This device supports Program Longword execution only.");
} else {
result = kinetis_make_ram_ready(bank->target);
if (result != ERROR_OK) {
- fallback = 1;
+ fallback = true;
LOG_WARNING("FlexRAM not ready, fallback to slow longword write.");
}
}
LOG_DEBUG("flash write @ " TARGET_ADDR_FMT, bank->base + offset);
- if (fallback == 0) {
+ if (!fallback) {
/* program section command */
kinetis_write_sections(bank, buffer, offset, count);
} else if (k_chip->flash_support & FS_PROGRAM_LONGWORD) {
buffer += 4;
offset += 4;
words_remaining--;
+
+ keep_alive();
}
}
free(new_buffer);
int result;
bool set_fcf = false;
bool fcf_in_data_valid = false;
+ bool fcf_differs = false;
int sect = 0;
struct kinetis_flash_bank *k_bank = bank->driver_priv;
struct kinetis_chip *k_chip = k_bank->k_chip;
&& offset + count >= FCF_ADDRESS + FCF_SIZE;
if (fcf_in_data_valid) {
memcpy(fcf_in_data, buffer + FCF_ADDRESS - offset, FCF_SIZE);
- if (memcmp(fcf_in_data + FCF_FPROT, fcf_buffer, 4)) {
- fcf_in_data_valid = false;
- LOG_INFO("Flash protection requested in programmed file differs from current setting.");
+ if (memcmp(fcf_in_data, fcf_buffer, 8)) {
+ fcf_differs = true;
+ LOG_INFO("Setting of backdoor key is not supported in mode 'kinetis fcf_source protection'.");
+ }
+ if (memcmp(fcf_in_data + FCF_FPROT, fcf_buffer + FCF_FPROT, 4)) {
+ fcf_differs = true;
+ LOG_INFO("Flash protection requested in the programmed file differs from current setting.");
}
if (fcf_in_data[FCF_FDPROT] != fcf_buffer[FCF_FDPROT]) {
- fcf_in_data_valid = false;
- LOG_INFO("Data flash protection requested in programmed file differs from current setting.");
+ fcf_differs = true;
+ LOG_INFO("Data flash protection requested in the programmed file differs from current setting.");
}
if ((fcf_in_data[FCF_FSEC] & 3) != 2) {
fcf_in_data_valid = false;
- LOG_INFO("Device security requested in programmed file!");
- } else if (k_chip->flash_support & FS_ECC
- && fcf_in_data[FCF_FSEC] != fcf_buffer[FCF_FSEC]) {
- fcf_in_data_valid = false;
+ LOG_INFO("Device security requested in the programmed file! Write denied.");
+ } else if (fcf_in_data[FCF_FSEC] != fcf_buffer[FCF_FSEC]) {
+ fcf_differs = true;
LOG_INFO("Strange unsecure mode 0x%02" PRIx8
- "requested in programmed file!",
- fcf_in_data[FCF_FSEC]);
+ " requested in the programmed file, set FSEC = 0x%02" PRIx8
+ " in the startup code!",
+ fcf_in_data[FCF_FSEC], fcf_buffer[FCF_FSEC]);
}
- if ((k_chip->flash_support & FS_ECC || fcf_fopt_configured)
- && fcf_in_data[FCF_FOPT] != fcf_fopt) {
- fcf_in_data_valid = false;
- LOG_INFO("FOPT requested in programmed file differs from current setting.");
+ if (fcf_in_data[FCF_FOPT] != fcf_buffer[FCF_FOPT]) {
+ fcf_differs = true;
+ LOG_INFO("FOPT requested in the programmed file differs from current setting, set 'kinetis fopt 0x%02"
+ PRIx8 "'.", fcf_in_data[FCF_FOPT]);
+ }
+
+ /* If the device has ECC flash, then we cannot re-program FCF */
+ if (fcf_differs) {
+ if (k_chip->flash_support & FS_ECC) {
+ fcf_in_data_valid = false;
+ LOG_INFO("Cannot re-program FCF. Expect verify errors at FCF (0x400-0x40f).");
+ } else {
+ LOG_INFO("Trying to re-program FCF.");
+ if (!(k_chip->flash_support & FS_PROGRAM_LONGWORD))
+ LOG_INFO("Flash re-programming may fail on this device!");
+ }
}
- if (!fcf_in_data_valid)
- LOG_INFO("Expect verify errors at FCF (0x408-0x40f).");
}
}
unsigned familyid = 0, subfamid = 0;
unsigned cpu_mhz = 120;
- unsigned idx;
bool use_nvm_marking = false;
char flash_marking[12], nvm_marking[2];
char name[40];
LOG_ERROR("Unsupported K-family FAMID");
}
- for (idx = 0; idx < ARRAY_SIZE(kinetis_types_old); idx++) {
+ for (size_t idx = 0; idx < ARRAY_SIZE(kinetis_types_old); idx++) {
if (kinetis_types_old[idx].sdid == mcu_type) {
strcpy(name, kinetis_types_old[idx].name);
use_nvm_marking = true;
else
k_chip->pflash_size = k_chip->fcfg2_maxaddr0_shifted * num_blocks / 2;
if (k_chip->pflash_size != 2048<<10)
- LOG_WARNING("SIM_FCFG1 PFSIZE = 0xf: please check if pflash is %u KB", k_chip->pflash_size>>10);
+ LOG_WARNING("SIM_FCFG1 PFSIZE = 0xf: please check if pflash is %" PRIu32 " KB", k_chip->pflash_size>>10);
break;
default:
static int kinetis_probe(struct flash_bank *bank)
{
- int result, i;
+ int result;
uint8_t fcfg2_maxaddr0, fcfg2_pflsh, fcfg2_maxaddr1;
unsigned num_blocks, first_nvm_bank;
uint32_t size_k;
struct kinetis_flash_bank *k_bank = bank->driver_priv;
- struct kinetis_chip *k_chip = k_bank->k_chip;
+ struct kinetis_chip *k_chip;
+
+ assert(k_bank);
+ k_chip = k_bank->k_chip;
k_bank->probed = false;
k_bank->protection_block = bank->num_prot_blocks * k_bank->bank_number;
size_k = bank->size / 1024;
- LOG_DEBUG("Kinetis bank %u: %" PRIu32 "k PFlash, FTFx base 0x%08" PRIx32 ", sect %u",
+ LOG_DEBUG("Kinetis bank %u: %" PRIu32 "k PFlash, FTFx base 0x%08" PRIx32 ", sect %" PRIu32,
k_bank->bank_number, size_k, k_bank->prog_base, k_bank->sector_size);
} else if (k_bank->bank_number < num_blocks) {
if (k_chip->dflash_size == 0) {
k_bank->protection_size = 0;
} else {
+ int i;
for (i = k_chip->dflash_size; ~i & 1; i >>= 1)
;
if (i == 1)
if (bank->size > limit) {
bank->size = limit;
- LOG_DEBUG("FlexNVM bank %d limited to 0x%08" PRIx32 " due to active EEPROM backup",
+ LOG_DEBUG("FlexNVM bank %u limited to 0x%08" PRIx32 " due to active EEPROM backup",
k_bank->bank_number, limit);
}
size_k = bank->size / 1024;
- LOG_DEBUG("Kinetis bank %u: %" PRIu32 "k FlexNVM, FTFx base 0x%08" PRIx32 ", sect %u",
+ LOG_DEBUG("Kinetis bank %u: %" PRIu32 "k FlexNVM, FTFx base 0x%08" PRIx32 ", sect %" PRIu32,
k_bank->bank_number, size_k, k_bank->prog_base, k_bank->sector_size);
} else {
- LOG_ERROR("Cannot determine parameters for bank %d, only %d banks on device",
+ LOG_ERROR("Cannot determine parameters for bank %u, only %u banks on device",
k_bank->bank_number, num_blocks);
return ERROR_FLASH_BANK_INVALID;
}
" please report to OpenOCD mailing list", fcfg2_maxaddr1);
}
- if (bank->sectors) {
- free(bank->sectors);
- bank->sectors = NULL;
- }
- if (bank->prot_blocks) {
- free(bank->prot_blocks);
- bank->prot_blocks = NULL;
- }
+ free(bank->sectors);
+ bank->sectors = NULL;
+
+ free(bank->prot_blocks);
+ bank->prot_blocks = NULL;
if (k_bank->sector_size == 0) {
- LOG_ERROR("Unknown sector size for bank %d", bank->bank_number);
+ LOG_ERROR("Unknown sector size for bank %u", bank->bank_number);
return ERROR_FLASH_BANK_INVALID;
}
if (block_dirty) {
/* the whole bank is not erased, check sector-by-sector */
- int i;
- for (i = 0; i < bank->num_sectors; i++) {
+ for (unsigned int i = 0; i < bank->num_sectors; i++) {
/* normal margin */
result = kinetis_ftfx_command(bank->target, FTFx_CMD_SECTSTAT,
k_bank->prog_base + bank->sectors[i].offset,
if (result == ERROR_OK) {
bank->sectors[i].is_erased = !(ftfx_fstat & 0x01);
} else {
- LOG_DEBUG("Ignoring errored PFlash sector blank-check");
+ LOG_DEBUG("Ignoring error on PFlash sector blank-check");
kinetis_ftfx_clear_error(bank->target);
bank->sectors[i].is_erased = -1;
}
}
} else {
/* the whole bank is erased, update all sectors */
- int i;
- for (i = 0; i < bank->num_sectors; i++)
+ for (unsigned int i = 0; i < bank->num_sectors; i++)
bank->sectors[i].is_erased = 1;
}
} else {
if (CMD_ARGC == 1) {
fcf_fopt = (uint8_t)strtoul(CMD_ARGV[0], NULL, 0);
- fcf_fopt_configured = true;
} else {
command_print(CMD, "FCF_FOPT 0x%02" PRIx8, fcf_fopt);
}
projects / fw / openocd / blobdiff