* 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, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
struct em357_flash_bank {
struct em357_options option_bytes;
- struct working_area *write_algorithm;
int ppage_size;
int probed;
};
em357_info = malloc(sizeof(struct em357_flash_bank));
bank->driver_priv = em357_info;
- em357_info->write_algorithm = NULL;
em357_info->probed = 0;
return ERROR_OK;
if ((first == 0) && (last == (bank->num_sectors - 1)))
return em357_mass_erase(bank);
+ /* Enable FPEC clock */
+ target_write_u32(target, EM357_FPEC_CLK, 0x00000001);
+
/* unlock flash registers */
int retval = target_write_u32(target, EM357_FLASH_KEYR, KEY1);
if (retval != ERROR_OK)
return em357_write_options(bank);
}
-static int em357_write_block(struct flash_bank *bank, uint8_t *buffer,
+static int em357_write_block(struct flash_bank *bank, const uint8_t *buffer,
uint32_t offset, uint32_t count)
{
- struct em357_flash_bank *em357_info = bank->driver_priv;
struct target *target = bank->target;
uint32_t buffer_size = 16384;
+ struct working_area *write_algorithm;
struct working_area *source;
uint32_t address = bank->base + offset;
struct reg_param reg_params[4];
/* flash write code */
if (target_alloc_working_area(target, sizeof(em357_flash_write_code),
- &em357_info->write_algorithm) != ERROR_OK) {
+ &write_algorithm) != ERROR_OK) {
LOG_WARNING("no working area available, can't do block memory writes");
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
- ;
- retval = target_write_buffer(target, em357_info->write_algorithm->address,
- sizeof(em357_flash_write_code), (uint8_t *)em357_flash_write_code);
+ retval = target_write_buffer(target, write_algorithm->address,
+ sizeof(em357_flash_write_code), em357_flash_write_code);
if (retval != ERROR_OK)
return retval;
while (target_alloc_working_area_try(target, buffer_size, &source) != ERROR_OK) {
buffer_size /= 2;
if (buffer_size <= 256) {
- /* if we already allocated the writing code, but failed to get a
+ /* we already allocated the writing code, but failed to get a
* buffer, free the algorithm */
- if (em357_info->write_algorithm)
- target_free_working_area(target, em357_info->write_algorithm);
+ target_free_working_area(target, write_algorithm);
LOG_WARNING(
"no large enough working area available, can't do block memory writes");
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
}
- ;
armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
- armv7m_info.core_mode = ARMV7M_MODE_ANY;
+ armv7m_info.core_mode = ARM_MODE_THREAD;
init_reg_param(®_params[0], "r0", 32, PARAM_OUT);
init_reg_param(®_params[1], "r1", 32, PARAM_OUT);
buf_set_u32(reg_params[3].value, 0, 32, 0);
retval = target_run_algorithm(target, 0, NULL, 4, reg_params,
- em357_info->write_algorithm->address, 0, 10000, &armv7m_info);
+ write_algorithm->address, 0, 10000, &armv7m_info);
if (retval != ERROR_OK) {
LOG_ERROR("error executing em357 flash write algorithm");
break;
}
target_free_working_area(target, source);
- target_free_working_area(target, em357_info->write_algorithm);
+ target_free_working_area(target, write_algorithm);
destroy_reg_param(®_params[0]);
destroy_reg_param(®_params[1]);
return retval;
}
-static int em357_write(struct flash_bank *bank, uint8_t *buffer,
+static int em357_write(struct flash_bank *bank, const uint8_t *buffer,
uint32_t offset, uint32_t count)
{
struct target *target = bank->target;
if (retval != ERROR_OK)
return retval;
+ target_write_u32(target, EM357_FPEC_CLK, 0x00000001);
+
/* multiple half words (2-byte) to be programmed? */
if (words_remaining > 0) {
/* try using a block write */
em357_info->probed = 0;
+ switch (bank->size) {
+ case 0x10000:
+ /* 64k -- 64 1k pages */
+ num_pages = 64;
+ page_size = 1024;
+ break;
+ case 0x20000:
+ /* 128k -- 128 1k pages */
+ num_pages = 128;
+ page_size = 1024;
+ break;
+ case 0x30000:
+ /* 192k -- 96 2k pages */
+ num_pages = 96;
+ page_size = 2048;
+ break;
+ case 0x40000:
+ /* 256k -- 128 2k pages */
+ num_pages = 128;
+ page_size = 2048;
+ break;
+ case 0x80000:
+ /* 512k -- 256 2k pages */
+ num_pages = 256;
+ page_size = 2048;
+ break;
+ default:
+ LOG_WARNING("No size specified for em357 flash driver, assuming 192k!");
+ num_pages = 96;
+ page_size = 2048;
+ break;
+ }
+
/* Enable FPEC CLK */
int retval = target_write_u32(target, EM357_FPEC_CLK, 0x00000001);
if (retval != ERROR_OK)
return retval;
- page_size = 2048;
em357_info->ppage_size = 4;
- num_pages = 96;
LOG_INFO("flash size = %dkbytes", num_pages*page_size/1024);
return em357_probe(bank);
}
-
-static int get_em357_info(struct flash_bank *bank, char *buf, int buf_size)
-{
- snprintf(buf, buf_size, "em357\n");
- return ERROR_OK;
-}
-
COMMAND_HANDLER(em357_handle_lock_command)
{
struct target *target = NULL;
}
if (em357_erase_options(bank) != ERROR_OK) {
- command_print(CMD_CTX, "em357 failed to erase options");
+ command_print(CMD, "em357 failed to erase options");
return ERROR_OK;
}
em357_info->option_bytes.RDP = 0;
if (em357_write_options(bank) != ERROR_OK) {
- command_print(CMD_CTX, "em357 failed to lock device");
+ command_print(CMD, "em357 failed to lock device");
return ERROR_OK;
}
- command_print(CMD_CTX, "em357 locked");
+ command_print(CMD, "em357 locked");
return ERROR_OK;
}
}
if (em357_erase_options(bank) != ERROR_OK) {
- command_print(CMD_CTX, "em357 failed to unlock device");
+ command_print(CMD, "em357 failed to unlock device");
return ERROR_OK;
}
if (em357_write_options(bank) != ERROR_OK) {
- command_print(CMD_CTX, "em357 failed to lock device");
+ command_print(CMD, "em357 failed to lock device");
return ERROR_OK;
}
- command_print(CMD_CTX, "em357 unlocked.\n"
+ command_print(CMD, "em357 unlocked.\n"
"INFO: a reset or power cycle is required "
"for the new settings to take effect.");
return ERROR_TARGET_NOT_HALTED;
}
+ /* Make sure the flash clock is on */
+ target_write_u32(target, EM357_FPEC_CLK, 0x00000001);
+
/* unlock option flash registers */
int retval = target_write_u32(target, EM357_FLASH_KEYR, KEY1);
if (retval != ERROR_OK)
for (i = 0; i < bank->num_sectors; i++)
bank->sectors[i].is_erased = 1;
- command_print(CMD_CTX, "em357 mass erase complete");
+ command_print(CMD, "em357 mass erase complete");
} else
- command_print(CMD_CTX, "em357 mass erase failed");
+ command_print(CMD, "em357 mass erase failed");
return retval;
}
COMMAND_REGISTRATION_DONE
};
-struct flash_driver em357_flash = {
+const struct flash_driver em357_flash = {
.name = "em357",
.commands = em357_command_handlers,
.flash_bank_command = em357_flash_bank_command,
.auto_probe = em357_auto_probe,
.erase_check = default_flash_blank_check,
.protect_check = em357_protect_check,
- .info = get_em357_info,
+ .free_driver_priv = default_flash_free_driver_priv,
};
projects / fw / openocd / blobdiff