* Copyright (C) 2013 Nemui Trinomius *
* nemuisan_kawausogasuki@live.jp *
* *
+ * Copyright (C) 2015 Tomas Vanek *
+ * vanekt@fbl.cz *
+ * *
* 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 *
#define FTFx_CMD_LWORDPROG 0x06
#define FTFx_CMD_SECTERASE 0x09
#define FTFx_CMD_SECTWRITE 0x0b
-#define FTFx_CMD_SETFLEXRAM 0x81
#define FTFx_CMD_MASSERASE 0x44
+#define FTFx_CMD_PGMPART 0x80
+#define FTFx_CMD_SETFLEXRAM 0x81
/* The older Kinetis K series uses the following SDID layout :
* Bit 31-16 : 0
return ERROR_OK;
}
+
+COMMAND_HANDLER(kinetis_nvm_partition)
+{
+ int result, i;
+ unsigned long par, log2 = 0, ee1 = 0, ee2 = 0;
+ enum { SHOW_INFO, DF_SIZE, EEBKP_SIZE } sz_type = SHOW_INFO;
+ bool enable;
+ uint8_t ftfx_fstat;
+ uint8_t load_flex_ram = 1;
+ uint8_t ee_size_code = 0x3f;
+ uint8_t flex_nvm_partition_code = 0;
+ uint8_t ee_split = 3;
+ struct target *target = get_current_target(CMD_CTX);
+ struct flash_bank *bank;
+ struct kinetis_flash_bank *kinfo;
+ uint32_t sim_fcfg1;
+
+ if (CMD_ARGC >= 2) {
+ if (strcmp(CMD_ARGV[0], "dataflash") == 0)
+ sz_type = DF_SIZE;
+ else if (strcmp(CMD_ARGV[0], "eebkp") == 0)
+ sz_type = EEBKP_SIZE;
+
+ par = strtoul(CMD_ARGV[1], NULL, 10);
+ while (par >> (log2 + 3))
+ log2++;
+ }
+ switch (sz_type) {
+ case SHOW_INFO:
+ result = target_read_u32(target, SIM_FCFG1, &sim_fcfg1);
+ if (result != ERROR_OK)
+ return result;
+
+ flex_nvm_partition_code = (uint8_t)((sim_fcfg1 >> 8) & 0x0f);
+ switch (flex_nvm_partition_code) {
+ case 0:
+ command_print(CMD_CTX, "No EEPROM backup, data flash only");
+ break;
+ case 1:
+ case 2:
+ case 3:
+ case 4:
+ case 5:
+ case 6:
+ command_print(CMD_CTX, "EEPROM backup %d KB", 4 << flex_nvm_partition_code);
+ break;
+ case 8:
+ command_print(CMD_CTX, "No data flash, EEPROM backup only");
+ break;
+ case 0x9:
+ case 0xA:
+ case 0xB:
+ case 0xC:
+ case 0xD:
+ case 0xE:
+ command_print(CMD_CTX, "data flash %d KB", 4 << (flex_nvm_partition_code & 7));
+ break;
+ case 0xf:
+ command_print(CMD_CTX, "No EEPROM backup, data flash only (DEPART not set)");
+ break;
+ default:
+ command_print(CMD_CTX, "Unsupported EEPROM backup size code 0x%02" PRIx8, flex_nvm_partition_code);
+ }
+ return ERROR_OK;
+
+ case DF_SIZE:
+ flex_nvm_partition_code = 0x8 | log2;
+ break;
+
+ case EEBKP_SIZE:
+ flex_nvm_partition_code = log2;
+ break;
+ }
+
+ if (CMD_ARGC == 3)
+ ee1 = ee2 = strtoul(CMD_ARGV[2], NULL, 10) / 2;
+ else if (CMD_ARGC >= 4) {
+ ee1 = strtoul(CMD_ARGV[2], NULL, 10);
+ ee2 = strtoul(CMD_ARGV[3], NULL, 10);
+ }
+
+ enable = ee1 + ee2 > 0;
+ if (enable) {
+ for (log2 = 2; ; log2++) {
+ if (ee1 + ee2 == (16u << 10) >> log2)
+ break;
+ if (ee1 + ee2 > (16u << 10) >> log2 || log2 >= 9) {
+ LOG_ERROR("Unsupported EEPROM size");
+ return ERROR_FLASH_OPERATION_FAILED;
+ }
+ }
+
+ if (ee1 * 3 == ee2)
+ ee_split = 1;
+ else if (ee1 * 7 == ee2)
+ ee_split = 0;
+ else if (ee1 != ee2) {
+ LOG_ERROR("Unsupported EEPROM sizes ratio");
+ return ERROR_FLASH_OPERATION_FAILED;
+ }
+
+ ee_size_code = log2 | ee_split << 4;
+ }
+
+ if (CMD_ARGC >= 5)
+ COMMAND_PARSE_ON_OFF(CMD_ARGV[4], enable);
+ if (enable)
+ load_flex_ram = 0;
+
+ LOG_INFO("DEPART 0x%" PRIx8 ", EEPROM size code 0x%" PRIx8,
+ flex_nvm_partition_code, ee_size_code);
+
+ if (target->state != TARGET_HALTED) {
+ LOG_ERROR("Target not halted");
+ return ERROR_TARGET_NOT_HALTED;
+ }
+
+ result = kinetis_ftfx_command(target, FTFx_CMD_PGMPART, load_flex_ram,
+ ee_size_code, flex_nvm_partition_code, 0, 0,
+ 0, 0, 0, 0, &ftfx_fstat);
+ if (result != ERROR_OK)
+ return result;
+
+ command_print(CMD_CTX, "FlexNVM partition set. Please reset MCU.");
+
+ for (i = 1; i < 4; i++) {
+ bank = get_flash_bank_by_num_noprobe(i);
+ if (bank == NULL)
+ break;
+
+ kinfo = bank->driver_priv;
+ if (kinfo && kinfo->flash_class == FC_FLEX_NVM)
+ kinfo->probed = false; /* re-probe before next use */
+ }
+
+ command_print(CMD_CTX, "FlexNVM banks will be re-probed to set new data flash size.");
+ return ERROR_OK;
+}
+
+
static const struct command_registration kinetis_securtiy_command_handlers[] = {
{
.name = "check_security",
.usage = "",
.handler = kinetis_disable_wdog_handler,
},
+ {
+ .name = "nvm_partition",
+ .mode = COMMAND_EXEC,
+ .help = "Show/set data flash or EEPROM backup size in kilobytes,"
+ " set two EEPROM sizes in bytes and FlexRAM loading during reset",
+ .usage = "('info'|'dataflash' size|'eebkp' size) [eesize1 eesize2] ['on'|'off']",
+ .handler = kinetis_nvm_partition,
+ },
COMMAND_REGISTRATION_DONE
};
Code Review / openocd.git / blobdiff