Kinetis: nvm_partition command
Command for partitioning FlexNVM to data flash and EEPROM blocks Change-Id: Ia0ea65d72b0e5f23da330520284b0bd26435e444 Signed-off-by: Tomas Vanek <vanekt@fbl.cz> Reviewed-on: http://openocd.zylin.com/2991 Tested-by: jenkins
This commit is contained in:
Tomas Vanek
Andreas Fritiofson
parent
66d9a24b06
commit
55e338f3e8
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@ -11,6 +11,9 @@
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* Copyright (C) 2013 Nemui Trinomius *
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* nemuisan_kawausogasuki@live.jp *
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* *
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* Copyright (C) 2015 Tomas Vanek *
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* vanekt@fbl.cz *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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@ -96,8 +99,9 @@
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#define FTFx_CMD_LWORDPROG 0x06
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#define FTFx_CMD_SECTERASE 0x09
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#define FTFx_CMD_SECTWRITE 0x0b
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#define FTFx_CMD_SETFLEXRAM 0x81
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#define FTFx_CMD_MASSERASE 0x44
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#define FTFx_CMD_PGMPART 0x80
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#define FTFx_CMD_SETFLEXRAM 0x81
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/* The older Kinetis K series uses the following SDID layout :
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* Bit 31-16 : 0
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@ -1660,6 +1664,146 @@ static int kinetis_blank_check(struct flash_bank *bank)
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return ERROR_OK;
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}
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COMMAND_HANDLER(kinetis_nvm_partition)
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{
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int result, i;
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unsigned long par, log2 = 0, ee1 = 0, ee2 = 0;
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enum { SHOW_INFO, DF_SIZE, EEBKP_SIZE } sz_type = SHOW_INFO;
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bool enable;
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uint8_t ftfx_fstat;
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uint8_t load_flex_ram = 1;
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uint8_t ee_size_code = 0x3f;
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uint8_t flex_nvm_partition_code = 0;
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uint8_t ee_split = 3;
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struct target *target = get_current_target(CMD_CTX);
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struct flash_bank *bank;
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struct kinetis_flash_bank *kinfo;
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uint32_t sim_fcfg1;
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if (CMD_ARGC >= 2) {
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if (strcmp(CMD_ARGV[0], "dataflash") == 0)
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sz_type = DF_SIZE;
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else if (strcmp(CMD_ARGV[0], "eebkp") == 0)
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sz_type = EEBKP_SIZE;
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par = strtoul(CMD_ARGV[1], NULL, 10);
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while (par >> (log2 + 3))
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log2++;
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}
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switch (sz_type) {
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case SHOW_INFO:
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result = target_read_u32(target, SIM_FCFG1, &sim_fcfg1);
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if (result != ERROR_OK)
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return result;
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flex_nvm_partition_code = (uint8_t)((sim_fcfg1 >> 8) & 0x0f);
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switch (flex_nvm_partition_code) {
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case 0:
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command_print(CMD_CTX, "No EEPROM backup, data flash only");
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break;
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case 1:
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case 2:
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case 3:
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case 4:
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case 5:
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case 6:
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command_print(CMD_CTX, "EEPROM backup %d KB", 4 << flex_nvm_partition_code);
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break;
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case 8:
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command_print(CMD_CTX, "No data flash, EEPROM backup only");
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break;
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case 0x9:
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case 0xA:
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case 0xB:
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case 0xC:
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case 0xD:
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case 0xE:
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command_print(CMD_CTX, "data flash %d KB", 4 << (flex_nvm_partition_code & 7));
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break;
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case 0xf:
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command_print(CMD_CTX, "No EEPROM backup, data flash only (DEPART not set)");
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break;
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default:
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command_print(CMD_CTX, "Unsupported EEPROM backup size code 0x%02" PRIx8, flex_nvm_partition_code);
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}
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return ERROR_OK;
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case DF_SIZE:
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flex_nvm_partition_code = 0x8 | log2;
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break;
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case EEBKP_SIZE:
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flex_nvm_partition_code = log2;
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break;
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}
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if (CMD_ARGC == 3)
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ee1 = ee2 = strtoul(CMD_ARGV[2], NULL, 10) / 2;
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else if (CMD_ARGC >= 4) {
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ee1 = strtoul(CMD_ARGV[2], NULL, 10);
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ee2 = strtoul(CMD_ARGV[3], NULL, 10);
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}
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enable = ee1 + ee2 > 0;
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if (enable) {
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for (log2 = 2; ; log2++) {
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if (ee1 + ee2 == (16u << 10) >> log2)
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break;
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if (ee1 + ee2 > (16u << 10) >> log2 || log2 >= 9) {
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LOG_ERROR("Unsupported EEPROM size");
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return ERROR_FLASH_OPERATION_FAILED;
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}
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}
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if (ee1 * 3 == ee2)
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ee_split = 1;
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else if (ee1 * 7 == ee2)
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ee_split = 0;
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else if (ee1 != ee2) {
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LOG_ERROR("Unsupported EEPROM sizes ratio");
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return ERROR_FLASH_OPERATION_FAILED;
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}
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ee_size_code = log2 | ee_split << 4;
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}
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if (CMD_ARGC >= 5)
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COMMAND_PARSE_ON_OFF(CMD_ARGV[4], enable);
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if (enable)
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load_flex_ram = 0;
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LOG_INFO("DEPART 0x%" PRIx8 ", EEPROM size code 0x%" PRIx8,
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flex_nvm_partition_code, ee_size_code);
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if (target->state != TARGET_HALTED) {
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LOG_ERROR("Target not halted");
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return ERROR_TARGET_NOT_HALTED;
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}
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result = kinetis_ftfx_command(target, FTFx_CMD_PGMPART, load_flex_ram,
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ee_size_code, flex_nvm_partition_code, 0, 0,
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0, 0, 0, 0, &ftfx_fstat);
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if (result != ERROR_OK)
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return result;
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command_print(CMD_CTX, "FlexNVM partition set. Please reset MCU.");
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for (i = 1; i < 4; i++) {
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bank = get_flash_bank_by_num_noprobe(i);
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if (bank == NULL)
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break;
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kinfo = bank->driver_priv;
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if (kinfo && kinfo->flash_class == FC_FLEX_NVM)
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kinfo->probed = false; /* re-probe before next use */
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}
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command_print(CMD_CTX, "FlexNVM banks will be re-probed to set new data flash size.");
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return ERROR_OK;
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}
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static const struct command_registration kinetis_securtiy_command_handlers[] = {
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{
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.name = "check_security",
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@ -1693,6 +1837,14 @@ static const struct command_registration kinetis_exec_command_handlers[] = {
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.usage = "",
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.handler = kinetis_disable_wdog_handler,
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},
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{
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.name = "nvm_partition",
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.mode = COMMAND_EXEC,
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.help = "Show/set data flash or EEPROM backup size in kilobytes,"
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" set two EEPROM sizes in bytes and FlexRAM loading during reset",
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.usage = "('info'|'dataflash' size|'eebkp' size) [eesize1 eesize2] ['on'|'off']",
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.handler = kinetis_nvm_partition,
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},
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COMMAND_REGISTRATION_DONE
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};
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