#define FTCTR 0x2020000C /* Flash test control */
#define FBWST 0x20200010 /* Flash bridge wait-state */
#define FCRA 0x2020001C /* Flash clock divider */
-#define FMSSTART 0x20200020 /* Flash Built-In Selft Test start address */
-#define FMSSTOP 0x20200024 /* Flash Built-In Selft Test stop address */
+#define FMSSTART 0x20200020 /* Flash Built-In Self Test start address */
+#define FMSSTOP 0x20200024 /* Flash Built-In Self Test stop address */
#define FMS16 0x20200028 /* Flash 16-bit signature */
#define FMSW0 0x2020002C /* Flash 128-bit signature Word 0 */
#define FMSW1 0x20200030 /* Flash 128-bit signature Word 1 */
/**
* Maximum contiguous block of internal SRAM (bytes).
- * Autodetected by the driver. Not the total amount of SRAM, only the
+ * Autodetected by the driver. Not the total amount of SRAM, only
* the largest \em contiguous block!
*/
uint32_t max_ram_block;
static uint32_t lpc2900_run_bist128(struct flash_bank *bank,
uint32_t addr_from, uint32_t addr_to,
uint32_t signature[4]);
-static uint32_t lpc2900_address2sector(struct flash_bank *bank, uint32_t offset);
+static unsigned int lpc2900_address2sector(struct flash_bank *bank, uint32_t offset);
static uint32_t lpc2900_calc_tr(uint32_t clock_var, uint32_t time_var);
/*********************** Helper functions **************************/
* Anything else is undefined (is_protected = -1). This is treated as
* a protected sector!
*/
- int sector;
- int index_t;
- for (sector = 0; sector < bank->num_sectors; sector++) {
+ for (unsigned int sector = 0; sector < bank->num_sectors; sector++) {
+ unsigned int index_t;
+
/* Convert logical sector number to physical sector number */
if (sector <= 4)
index_t = sector + 11;
* @param bank Pointer to the flash bank descriptor
* @param offset Offset address relative to bank start
*/
-static uint32_t lpc2900_address2sector(struct flash_bank *bank,
+static unsigned int lpc2900_address2sector(struct flash_bank *bank,
uint32_t offset)
{
uint32_t address = bank->base + offset;
/* Run through all sectors of this bank */
- int sector;
- for (sector = 0; sector < bank->num_sectors; sector++) {
+ for (unsigned int sector = 0; sector < bank->num_sectors; sector++) {
/* Return immediately if address is within the current sector */
if (address < (bank->sectors[sector].offset + bank->sectors[sector].size))
return sector;
/**
* Calculate FPTR.TR register value for desired program/erase time.
*
- * @param clock System clock in Hz
- * @param time Program/erase time in µs
+ * @param clock_var System clock in Hz
+ * @param time_var Program/erase time in µs
*/
static uint32_t lpc2900_calc_tr(uint32_t clock_var, uint32_t time_var)
{
struct flash_bank *bank;
int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &bank);
- if (ERROR_OK != retval)
+ if (retval != ERROR_OK)
return retval;
if (bank->target->state != TARGET_HALTED) {
if (status != ERROR_OK)
return status;
- command_print(CMD_CTX, "signature: 0x%8.8" PRIx32
+ command_print(CMD, "signature: 0x%8.8" PRIx32
":0x%8.8" PRIx32
":0x%8.8" PRIx32
":0x%8.8" PRIx32,
struct flash_bank *bank;
int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &bank);
- if (ERROR_OK != retval)
+ if (retval != ERROR_OK)
return retval;
struct lpc2900_flash_bank *lpc2900_info = bank->driver_priv;
struct flash_bank *bank;
int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &bank);
- if (ERROR_OK != retval)
+ if (retval != ERROR_OK)
return retval;
struct lpc2900_flash_bank *lpc2900_info = bank->driver_priv;
lpc2900_info->risky = !strcmp(CMD_ARGV[1], ISS_PASSWORD);
if (!lpc2900_info->risky) {
- command_print(CMD_CTX, "Wrong password (use '%s')", ISS_PASSWORD);
+ command_print(CMD, "Wrong password (use '%s')", ISS_PASSWORD);
return ERROR_COMMAND_ARGUMENT_INVALID;
}
- command_print(CMD_CTX,
+ command_print(CMD,
"Potentially dangerous operation allowed in next command!");
return ERROR_OK;
struct flash_bank *bank;
int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &bank);
- if (ERROR_OK != retval)
+ if (retval != ERROR_OK)
return retval;
struct lpc2900_flash_bank *lpc2900_info = bank->driver_priv;
/* Check if command execution is allowed. */
if (!lpc2900_info->risky) {
- command_print(CMD_CTX, "Command execution not allowed!");
+ command_print(CMD, "Command execution not allowed!");
return ERROR_COMMAND_ARGUMENT_INVALID;
}
lpc2900_info->risky = 0;
/* The image will always start at offset 0 */
struct image image;
- image.base_address_set = 1;
+ image.base_address_set = true;
image.base_address = 0;
- image.start_address_set = 0;
+ image.start_address_set = false;
const char *filename = CMD_ARGV[1];
const char *type = (CMD_ARGC >= 3) ? CMD_ARGV[2] : NULL;
/* Get the bank descriptor */
struct flash_bank *bank;
int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &bank);
- if (ERROR_OK != retval)
+ if (retval != ERROR_OK)
return retval;
struct lpc2900_flash_bank *lpc2900_info = bank->driver_priv;
/* Check if command execution is allowed. */
if (!lpc2900_info->risky) {
- command_print(CMD_CTX, "Command execution not allowed! "
+ command_print(CMD, "Command execution not allowed! "
"(use 'password' command first)");
return ERROR_COMMAND_ARGUMENT_INVALID;
}
lpc2900_info->risky = 0;
/* Read sector range, and do a sanity check. */
- int first, last;
- COMMAND_PARSE_NUMBER(int, CMD_ARGV[1], first);
- COMMAND_PARSE_NUMBER(int, CMD_ARGV[2], last);
+ unsigned int first, last;
+ COMMAND_PARSE_NUMBER(uint, CMD_ARGV[1], first);
+ COMMAND_PARSE_NUMBER(uint, CMD_ARGV[2], last);
if ((first >= bank->num_sectors) ||
(last >= bank->num_sectors) ||
(first > last)) {
- command_print(CMD_CTX, "Illegal sector range");
+ command_print(CMD, "Illegal sector range");
return ERROR_COMMAND_ARGUMENT_INVALID;
}
uint8_t page[FLASH_PAGE_SIZE];
- int sector;
/* Sectors in page 6 */
if ((first <= 4) || (last >= 8)) {
memset(&page, 0xff, FLASH_PAGE_SIZE);
- for (sector = first; sector <= last; sector++) {
+ for (unsigned int sector = first; sector <= last; sector++) {
if (sector <= 4)
memset(&page[0xB0 + 16*sector], 0, 16);
else if (sector >= 8)
/* Sectors in page 7 */
if ((first <= 7) && (last >= 5)) {
memset(&page, 0xff, FLASH_PAGE_SIZE);
- for (sector = first; sector <= last; sector++) {
+ for (unsigned int sector = first; sector <= last; sector++) {
if ((sector >= 5) && (sector <= 7))
memset(&page[0x00 + 16*(sector - 5)], 0, 16);
}
}
}
- command_print(CMD_CTX,
+ command_print(CMD,
"Sectors security will become effective after next power cycle");
/* Update the sector security status */
/* Get the bank descriptor */
struct flash_bank *bank;
int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &bank);
- if (ERROR_OK != retval)
+ if (retval != ERROR_OK)
return retval;
struct lpc2900_flash_bank *lpc2900_info = bank->driver_priv;
/* Check if command execution is allowed. */
if (!lpc2900_info->risky) {
- command_print(CMD_CTX, "Command execution not allowed! "
+ command_print(CMD, "Command execution not allowed! "
"(use 'password' command first)");
return ERROR_COMMAND_ARGUMENT_INVALID;
}
* @param first First sector to be erased
* @param last Last sector (including) to be erased
*/
-static int lpc2900_erase(struct flash_bank *bank, int first, int last)
+static int lpc2900_erase(struct flash_bank *bank, unsigned int first,
+ unsigned int last)
{
uint32_t status;
- int sector;
- int last_unsecured_sector;
+ unsigned int last_unsecured_sector;
+ bool has_unsecured_sector;
struct target *target = bank->target;
struct lpc2900_flash_bank *lpc2900_info = bank->driver_priv;
return status;
/* Sanity check on sector range */
- if ((first < 0) || (last < first) || (last >= bank->num_sectors)) {
+ if ((last < first) || (last >= bank->num_sectors)) {
LOG_INFO("Bad sector range");
return ERROR_FLASH_SECTOR_INVALID;
}
* a special way.
*/
last_unsecured_sector = -1;
- for (sector = first; sector <= last; sector++) {
- if (!bank->sectors[sector].is_protected)
+ has_unsecured_sector = false;
+ for (unsigned int sector = first; sector <= last; sector++) {
+ if (!bank->sectors[sector].is_protected) {
last_unsecured_sector = sector;
+ has_unsecured_sector = true;
+ }
}
/* Exit now, in case of the rare constellation where all sectors in range
* are secured. This is regarded a success, since erasing/programming of
* secured sectors shall be handled transparently.
*/
- if (last_unsecured_sector == -1)
+ if (!has_unsecured_sector)
return ERROR_OK;
/* Enable flash block and set the correct CRA clock of 66 kHz */
FLASH_ERASE_TIME));
/* Sectors are marked for erasure, then erased all together */
- for (sector = first; sector <= last_unsecured_sector; sector++) {
+ for (unsigned int sector = first; sector <= last_unsecured_sector; sector++) {
/* Only mark sectors that aren't secured. Any attempt to erase a group
* of sectors will fail if any single one of them is secured!
*/
return ERROR_OK;
}
-static int lpc2900_protect(struct flash_bank *bank, int set, int first, int last)
-{
- /* This command is not supported.
- * "Protection" in LPC2900 terms is handled transparently. Sectors will
- * automatically be unprotected as needed.
- * Instead we use the concept of sector security. A secured sector is shown
- * as "protected" in OpenOCD. Sector security is a permanent feature, and
- * cannot be disabled once activated.
- */
-
- return ERROR_OK;
-}
+/* lpc2900_protect command is not supported.
+* "Protection" in LPC2900 terms is handled transparently. Sectors will
+* automatically be unprotected as needed.
+* Instead we use the concept of sector security. A secured sector is shown
+* as "protected" in OpenOCD. Sector security is a permanent feature, and
+* cannot be disabled once activated.
+*/
/**
* Write data to flash.
uint32_t num_bytes;
struct target *target = bank->target;
struct lpc2900_flash_bank *lpc2900_info = bank->driver_priv;
- int sector;
int retval;
static const uint32_t write_target_code[] = {
lpc2900_read_security_status(bank);
/* Unprotect all involved sectors */
- for (sector = 0; sector < bank->num_sectors; sector++) {
+ for (unsigned int sector = 0; sector < bank->num_sectors; sector++) {
/* Start address in or before this sector?
* End address in or behind this sector? */
if (((bank->base + offset) <
while (count != 0) {
uint32_t this_npages;
const uint8_t *this_buffer;
- int start_sector = lpc2900_address2sector(bank, offset);
+ unsigned int start_sector = lpc2900_address2sector(bank, offset);
/* First page / last page / rest */
if (offset % FLASH_PAGE_SIZE) {
this_buffer = buffer;
/* Make sure we stop at the next secured sector */
- sector = start_sector + 1;
+ unsigned int sector = start_sector + 1;
while (sector < bank->num_sectors) {
/* Secured? */
if (bank->sectors[sector].is_protected) {
/* Skip the current sector if it is secured */
if (bank->sectors[start_sector].is_protected) {
- LOG_DEBUG("Skip secured sector %d",
+ LOG_DEBUG("Skip secured sector %u",
start_sector);
/* Stop if this is the last sector */
{
struct lpc2900_flash_bank *lpc2900_info = bank->driver_priv;
struct target *target = bank->target;
- int i = 0;
uint32_t offset;
}
/* Show detected device */
- LOG_INFO("Flash bank %d: Device %s, %" PRIu32
- " KiB in %d sectors",
+ LOG_INFO("Flash bank %u: Device %s, %" PRIu32
+ " KiB in %u sectors",
bank->bank_number,
lpc2900_info->target_name, bank->size / KiB,
bank->num_sectors);
bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
offset = 0;
- for (i = 0; i < bank->num_sectors; i++) {
+ for (unsigned int i = 0; i < bank->num_sectors; i++) {
bank->sectors[i].offset = offset;
bank->sectors[i].is_erased = -1;
bank->sectors[i].is_protected = -1;
* that has more than 19 sectors. Politely ask for a fix then.
*/
bank->sectors[i].size = 0;
- LOG_ERROR("Never heard about sector %d", i);
+ LOG_ERROR("Never heard about sector %u", i);
}
offset += bank->sectors[i].size;
return status;
}
- /* Use the BIST (Built-In Selft Test) to generate a signature of each flash
+ /* Use the BIST (Built-In Self Test) to generate a signature of each flash
* sector. Compare against the expected signature of an empty sector.
*/
- int sector;
- for (sector = 0; sector < bank->num_sectors; sector++) {
+ for (unsigned int sector = 0; sector < bank->num_sectors; sector++) {
uint32_t signature[4];
status = lpc2900_run_bist128(bank, bank->sectors[sector].offset,
bank->sectors[sector].offset + (bank->sectors[sector].size - 1), signature);
return lpc2900_read_security_status(bank);
}
-struct flash_driver lpc2900_flash = {
+const struct flash_driver lpc2900_flash = {
.name = "lpc2900",
.commands = lpc2900_command_handlers,
.flash_bank_command = lpc2900_flash_bank_command,
.erase = lpc2900_erase,
- .protect = lpc2900_protect,
.write = lpc2900_write,
.read = default_flash_read,
.probe = lpc2900_probe,