X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fflash%2Fnor%2Fkinetis.c;h=96a1f515258e01088f2997949fa99b1fb7fdf635;hp=5b618c03e30d7a4b8a0d45ea932a81156a7058e9;hb=77478eb0f5175ff0518fd7c7fa322beed3b858a8;hpb=c161b81b0f60833d6723e59eb6baefe27336ee62
diff --git a/src/flash/nor/kinetis.c b/src/flash/nor/kinetis.c
index 5b618c03e3..96a1f51525 100644
--- a/src/flash/nor/kinetis.c
+++ b/src/flash/nor/kinetis.c
@@ -11,6 +11,9 @@
* 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 *
@@ -22,9 +25,7 @@
* 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., *
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
+ * along with this program. If not, see . *
***************************************************************************/
#ifdef HAVE_CONFIG_H
@@ -34,6 +35,7 @@
#include "jtag/interface.h"
#include "imp.h"
#include
+#include
#include
#include
#include
@@ -79,6 +81,8 @@
/* Addressess */
#define FLEXRAM 0x14000000
+
+#define FMC_PFB01CR 0x4001f004
#define FTFx_FSTAT 0x40020000
#define FTFx_FCNFG 0x40020001
#define FTFx_FCCOB3 0x40020004
@@ -89,6 +93,13 @@
#define SIM_FCFG1 0x4004804c
#define SIM_FCFG2 0x40048050
#define WDOG_STCTRH 0x40052000
+#define SMC_PMCTRL 0x4007E001
+#define SMC_PMSTAT 0x4007E003
+
+/* Values */
+#define PM_STAT_RUN 0x01
+#define PM_STAT_VLPR 0x04
+#define PM_CTRL_RUNM_RUN 0x00
/* Commands */
#define FTFx_CMD_BLOCKSTAT 0x00
@@ -96,8 +107,9 @@
#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
@@ -212,9 +224,12 @@ struct kinetis_flash_bank {
FS_PROGRAM_SECTOR = 1,
FS_PROGRAM_LONGWORD = 2,
FS_PROGRAM_PHRASE = 4, /* Unsupported */
+ FS_INVALIDATE_CACHE = 8,
} flash_support;
};
+#define MDM_AP 1
+
#define MDM_REG_STAT 0x00
#define MDM_REG_CTRL 0x04
#define MDM_REG_ID 0xfc
@@ -233,23 +248,23 @@ struct kinetis_flash_bank {
#define MDM_STAT_CORE_SLEEPDEEP (1<<17)
#define MDM_STAT_CORESLEEPING (1<<18)
-#define MEM_CTRL_FMEIP (1<<0)
-#define MEM_CTRL_DBG_DIS (1<<1)
-#define MEM_CTRL_DBG_REQ (1<<2)
-#define MEM_CTRL_SYS_RES_REQ (1<<3)
-#define MEM_CTRL_CORE_HOLD_RES (1<<4)
-#define MEM_CTRL_VLLSX_DBG_REQ (1<<5)
-#define MEM_CTRL_VLLSX_DBG_ACK (1<<6)
-#define MEM_CTRL_VLLSX_STAT_ACK (1<<7)
+#define MDM_CTRL_FMEIP (1<<0)
+#define MDM_CTRL_DBG_DIS (1<<1)
+#define MDM_CTRL_DBG_REQ (1<<2)
+#define MDM_CTRL_SYS_RES_REQ (1<<3)
+#define MDM_CTRL_CORE_HOLD_RES (1<<4)
+#define MDM_CTRL_VLLSX_DBG_REQ (1<<5)
+#define MDM_CTRL_VLLSX_DBG_ACK (1<<6)
+#define MDM_CTRL_VLLSX_STAT_ACK (1<<7)
-#define MDM_ACCESS_TIMEOUT 3000 /* iterations */
+#define MDM_ACCESS_TIMEOUT 500 /* msec */
static int kinetis_mdm_write_register(struct adiv5_dap *dap, unsigned reg, uint32_t value)
{
int retval;
LOG_DEBUG("MDM_REG[0x%02x] <- %08" PRIX32, reg, value);
- retval = dap_queue_ap_write(dap_ap(dap, 1), reg, value);
+ retval = dap_queue_ap_write(dap_ap(dap, MDM_AP), reg, value);
if (retval != ERROR_OK) {
LOG_DEBUG("MDM: failed to queue a write request");
return retval;
@@ -269,7 +284,7 @@ static int kinetis_mdm_read_register(struct adiv5_dap *dap, unsigned reg, uint32
{
int retval;
- retval = dap_queue_ap_read(dap_ap(dap, 1), reg, result);
+ retval = dap_queue_ap_read(dap_ap(dap, MDM_AP), reg, result);
if (retval != ERROR_OK) {
LOG_DEBUG("MDM: failed to queue a read request");
return retval;
@@ -285,11 +300,12 @@ static int kinetis_mdm_read_register(struct adiv5_dap *dap, unsigned reg, uint32
return ERROR_OK;
}
-static int kinetis_mdm_poll_register(struct adiv5_dap *dap, unsigned reg, uint32_t mask, uint32_t value)
+static int kinetis_mdm_poll_register(struct adiv5_dap *dap, unsigned reg,
+ uint32_t mask, uint32_t value, uint32_t timeout_ms)
{
uint32_t val;
int retval;
- int timeout = MDM_ACCESS_TIMEOUT;
+ int64_t ms_timeout = timeval_ms() + timeout_ms;
do {
retval = kinetis_mdm_read_register(dap, reg, &val);
@@ -297,17 +313,121 @@ static int kinetis_mdm_poll_register(struct adiv5_dap *dap, unsigned reg, uint32
return retval;
alive_sleep(1);
- } while (timeout--);
+ } while (timeval_ms() < ms_timeout);
LOG_DEBUG("MDM: polling timed out");
return ERROR_FAIL;
}
+/*
+ * This command can be used to break a watchdog reset loop when
+ * connecting to an unsecured target. Unlike other commands, halt will
+ * automatically retry as it does not know how far into the boot process
+ * it is when the command is called.
+ */
+COMMAND_HANDLER(kinetis_mdm_halt)
+{
+ struct target *target = get_current_target(CMD_CTX);
+ struct cortex_m_common *cortex_m = target_to_cm(target);
+ struct adiv5_dap *dap = cortex_m->armv7m.arm.dap;
+ int retval;
+ int tries = 0;
+ uint32_t stat;
+ int64_t ms_timeout = timeval_ms() + MDM_ACCESS_TIMEOUT;
+
+ if (!dap) {
+ LOG_ERROR("Cannot perform halt with a high-level adapter");
+ return ERROR_FAIL;
+ }
+
+ while (true) {
+ tries++;
+
+ kinetis_mdm_write_register(dap, MDM_REG_CTRL, MDM_CTRL_CORE_HOLD_RES);
+
+ alive_sleep(1);
+
+ retval = kinetis_mdm_read_register(dap, MDM_REG_STAT, &stat);
+ if (retval != ERROR_OK) {
+ LOG_DEBUG("MDM: failed to read MDM_REG_STAT");
+ continue;
+ }
+
+ /* Repeat setting MDM_CTRL_CORE_HOLD_RES until system is out of
+ * reset with flash ready and without security
+ */
+ if ((stat & (MDM_STAT_FREADY | MDM_STAT_SYSSEC | MDM_STAT_SYSRES))
+ == (MDM_STAT_FREADY | MDM_STAT_SYSRES))
+ break;
+
+ if (timeval_ms() >= ms_timeout) {
+ LOG_ERROR("MDM: halt timed out");
+ return ERROR_FAIL;
+ }
+ }
+
+ LOG_DEBUG("MDM: halt succeded after %d attempts.", tries);
+
+ target_poll(target);
+ /* enable polling in case kinetis_check_flash_security_status disabled it */
+ jtag_poll_set_enabled(true);
+
+ alive_sleep(100);
+
+ target->reset_halt = true;
+ target->type->assert_reset(target);
+
+ retval = kinetis_mdm_write_register(dap, MDM_REG_CTRL, 0);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("MDM: failed to clear MDM_REG_CTRL");
+ return retval;
+ }
+
+ target->type->deassert_reset(target);
+
+ return ERROR_OK;
+}
+
+COMMAND_HANDLER(kinetis_mdm_reset)
+{
+ struct target *target = get_current_target(CMD_CTX);
+ struct cortex_m_common *cortex_m = target_to_cm(target);
+ struct adiv5_dap *dap = cortex_m->armv7m.arm.dap;
+ int retval;
+
+ if (!dap) {
+ LOG_ERROR("Cannot perform reset with a high-level adapter");
+ return ERROR_FAIL;
+ }
+
+ retval = kinetis_mdm_write_register(dap, MDM_REG_CTRL, MDM_CTRL_SYS_RES_REQ);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("MDM: failed to write MDM_REG_CTRL");
+ return retval;
+ }
+
+ retval = kinetis_mdm_poll_register(dap, MDM_REG_STAT, MDM_STAT_SYSRES, 0, 500);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("MDM: failed to assert reset");
+ return retval;
+ }
+
+ retval = kinetis_mdm_write_register(dap, MDM_REG_CTRL, 0);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("MDM: failed to clear MDM_REG_CTRL");
+ return retval;
+ }
+
+ return ERROR_OK;
+}
+
/*
* This function implements the procedure to mass erase the flash via
* SWD/JTAG on Kinetis K and L series of devices as it is described in
* AN4835 "Production Flash Programming Best Practices for Kinetis K-
- * and L-series MCUs" Section 4.2.1
+ * and L-series MCUs" Section 4.2.1. To prevent a watchdog reset loop,
+ * the core remains halted after this function completes as suggested
+ * by the application note.
*/
COMMAND_HANDLER(kinetis_mdm_mass_erase)
{
@@ -330,70 +450,123 @@ COMMAND_HANDLER(kinetis_mdm_mass_erase)
* establishing communication...
*/
- /* assert SRST */
- if (jtag_get_reset_config() & RESET_HAS_SRST)
+ /* assert SRST if configured */
+ bool has_srst = jtag_get_reset_config() & RESET_HAS_SRST;
+ if (has_srst)
adapter_assert_reset();
- else
- LOG_WARNING("Attempting mass erase without hardware reset. This is not reliable; "
- "it's recommended you connect SRST and use ``reset_config srst_only''.");
- retval = kinetis_mdm_write_register(dap, MDM_REG_CTRL, MEM_CTRL_SYS_RES_REQ);
- if (retval != ERROR_OK)
- return retval;
+ retval = kinetis_mdm_write_register(dap, MDM_REG_CTRL, MDM_CTRL_SYS_RES_REQ);
+ if (retval != ERROR_OK && !has_srst) {
+ LOG_ERROR("MDM: failed to assert reset");
+ goto deassert_reset_and_exit;
+ }
/*
- * ... Read the MDM-AP status register until the Flash Ready bit sets...
+ * ... Read the MDM-AP status register repeatedly and wait for
+ * stable conditions suitable for mass erase:
+ * - mass erase is enabled
+ * - flash is ready
+ * - reset is finished
+ *
+ * Mass erase is started as soon as all conditions are met in 32
+ * subsequent status reads.
+ *
+ * In case of not stable conditions (RESET/WDOG loop in secured device)
+ * the user is asked for manual pressing of RESET button
+ * as a last resort.
*/
- retval = kinetis_mdm_poll_register(dap, MDM_REG_STAT,
- MDM_STAT_FREADY | MDM_STAT_SYSRES,
- MDM_STAT_FREADY);
- if (retval != ERROR_OK) {
- LOG_ERROR("MDM : flash ready timeout");
- return retval;
- }
+ int cnt_mass_erase_disabled = 0;
+ int cnt_ready = 0;
+ int64_t ms_start = timeval_ms();
+ bool man_reset_requested = false;
+
+ do {
+ uint32_t stat = 0;
+ int64_t ms_elapsed = timeval_ms() - ms_start;
+
+ if (!man_reset_requested && ms_elapsed > 100) {
+ LOG_INFO("MDM: Press RESET button now if possible.");
+ man_reset_requested = true;
+ }
+
+ if (ms_elapsed > 3000) {
+ LOG_ERROR("MDM: waiting for mass erase conditions timed out.");
+ LOG_INFO("Mass erase of a secured MCU is not possible without hardware reset.");
+ LOG_INFO("Connect SRST, use 'reset_config srst_only' and retry.");
+ goto deassert_reset_and_exit;
+ }
+ retval = kinetis_mdm_read_register(dap, MDM_REG_STAT, &stat);
+ if (retval != ERROR_OK) {
+ cnt_ready = 0;
+ continue;
+ }
+
+ if (!(stat & MDM_STAT_FMEEN)) {
+ cnt_ready = 0;
+ cnt_mass_erase_disabled++;
+ if (cnt_mass_erase_disabled > 10) {
+ LOG_ERROR("MDM: mass erase is disabled");
+ goto deassert_reset_and_exit;
+ }
+ continue;
+ }
+
+ if ((stat & (MDM_STAT_FREADY | MDM_STAT_SYSRES)) == MDM_STAT_FREADY)
+ cnt_ready++;
+ else
+ cnt_ready = 0;
+
+ } while (cnt_ready < 32);
/*
* ... Write the MDM-AP control register to set the Flash Mass
* Erase in Progress bit. This will start the mass erase
* process...
*/
- retval = kinetis_mdm_write_register(dap, MDM_REG_CTRL,
- MEM_CTRL_SYS_RES_REQ | MEM_CTRL_FMEIP);
- if (retval != ERROR_OK)
- return retval;
-
- /* As a sanity check make sure that device started mass erase procedure */
- retval = kinetis_mdm_poll_register(dap, MDM_REG_STAT,
- MDM_STAT_FMEACK, MDM_STAT_FMEACK);
- if (retval != ERROR_OK)
- return retval;
+ retval = kinetis_mdm_write_register(dap, MDM_REG_CTRL, MDM_CTRL_SYS_RES_REQ | MDM_CTRL_FMEIP);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("MDM: failed to start mass erase");
+ goto deassert_reset_and_exit;
+ }
/*
* ... Read the MDM-AP control register until the Flash Mass
* Erase in Progress bit clears...
+ * Data sheed defines erase time <3.6 sec/512kB flash block.
+ * The biggest device has 4 pflash blocks => timeout 16 sec.
*/
- retval = kinetis_mdm_poll_register(dap, MDM_REG_CTRL,
- MEM_CTRL_FMEIP,
- 0);
- if (retval != ERROR_OK)
- return retval;
+ retval = kinetis_mdm_poll_register(dap, MDM_REG_CTRL, MDM_CTRL_FMEIP, 0, 16000);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("MDM: mass erase timeout");
+ goto deassert_reset_and_exit;
+ }
+
+ target_poll(target);
+ /* enable polling in case kinetis_check_flash_security_status disabled it */
+ jtag_poll_set_enabled(true);
+
+ alive_sleep(100);
+
+ target->reset_halt = true;
+ target->type->assert_reset(target);
/*
* ... Negate the RESET signal or clear the System Reset Request
- * bit in the MDM-AP control register...
+ * bit in the MDM-AP control register.
*/
retval = kinetis_mdm_write_register(dap, MDM_REG_CTRL, 0);
if (retval != ERROR_OK)
- return retval;
+ LOG_ERROR("MDM: failed to clear MDM_REG_CTRL");
- if (jtag_get_reset_config() & RESET_HAS_SRST) {
- /* halt MCU otherwise it loops in hard fault - WDOG reset cycle */
- target->reset_halt = true;
- target->type->assert_reset(target);
- target->type->deassert_reset(target);
- }
+ target->type->deassert_reset(target);
- return ERROR_OK;
+ return retval;
+
+deassert_reset_and_exit:
+ kinetis_mdm_write_register(dap, MDM_REG_CTRL, 0);
+ if (has_srst)
+ adapter_deassert_reset();
+ return retval;
}
static const uint32_t kinetis_known_mdm_ids[] = {
@@ -428,9 +601,12 @@ COMMAND_HANDLER(kinetis_check_flash_security_status)
retval = kinetis_mdm_read_register(dap, MDM_REG_ID, &val);
if (retval != ERROR_OK) {
LOG_ERROR("MDM: failed to read ID register");
- goto fail;
+ return ERROR_OK;
}
+ if (val == 0)
+ return ERROR_OK;
+
bool found = false;
for (size_t i = 0; i < ARRAY_SIZE(kinetis_known_mdm_ids); i++) {
if (val == kinetis_known_mdm_ids[i]) {
@@ -442,17 +618,6 @@ COMMAND_HANDLER(kinetis_check_flash_security_status)
if (!found)
LOG_WARNING("MDM: unknown ID %08" PRIX32, val);
- /*
- * ... Read the MDM-AP status register until the Flash Ready bit sets...
- */
- retval = kinetis_mdm_poll_register(dap, MDM_REG_STAT,
- MDM_STAT_FREADY,
- MDM_STAT_FREADY);
- if (retval != ERROR_OK) {
- LOG_ERROR("MDM: flash ready timeout");
- goto fail;
- }
-
/*
* ... Read the System Security bit to determine if security is enabled.
* If System Security = 0, then proceed. If System Security = 1, then
@@ -463,33 +628,40 @@ COMMAND_HANDLER(kinetis_check_flash_security_status)
retval = kinetis_mdm_read_register(dap, MDM_REG_STAT, &val);
if (retval != ERROR_OK) {
LOG_ERROR("MDM: failed to read MDM_REG_STAT");
- goto fail;
+ return ERROR_OK;
}
- if ((val & (MDM_STAT_SYSSEC | MDM_STAT_CORE_HALTED)) == MDM_STAT_SYSSEC) {
- LOG_WARNING("MDM: Secured MCU state detected however it may be a false alarm");
- LOG_WARNING("MDM: Halting target to detect secured state reliably");
+ /*
+ * System Security bit is also active for short time during reset.
+ * If a MCU has blank flash and runs in RESET/WDOG loop,
+ * System Security bit is active most of time!
+ * We should observe Flash Ready bit and read status several times
+ * to avoid false detection of secured MCU
+ */
+ int secured_score = 0, flash_not_ready_score = 0;
- retval = target_halt(target);
- if (retval == ERROR_OK)
- retval = target_wait_state(target, TARGET_HALTED, 100);
+ if ((val & (MDM_STAT_SYSSEC | MDM_STAT_FREADY)) != MDM_STAT_FREADY) {
+ uint32_t stats[32];
+ int i;
- if (retval != ERROR_OK) {
- LOG_WARNING("MDM: Target not halted, trying reset halt");
- target->reset_halt = true;
- target->type->assert_reset(target);
- target->type->deassert_reset(target);
+ for (i = 0; i < 32; i++) {
+ stats[i] = MDM_STAT_FREADY;
+ dap_queue_ap_read(dap_ap(dap, MDM_AP), MDM_REG_STAT, &stats[i]);
}
-
- /* re-read status */
- retval = kinetis_mdm_read_register(dap, MDM_REG_STAT, &val);
+ retval = dap_run(dap);
if (retval != ERROR_OK) {
- LOG_ERROR("MDM: failed to read MDM_REG_STAT");
- goto fail;
+ LOG_DEBUG("MDM: dap_run failed when validating secured state");
+ return ERROR_OK;
+ }
+ for (i = 0; i < 32; i++) {
+ if (stats[i] & MDM_STAT_SYSSEC)
+ secured_score++;
+ if (!(stats[i] & MDM_STAT_FREADY))
+ flash_not_ready_score++;
}
}
- if (val & MDM_STAT_SYSSEC) {
+ if (flash_not_ready_score <= 8 && secured_score > 24) {
jtag_poll_set_enabled(false);
LOG_WARNING("*********** ATTENTION! ATTENTION! ATTENTION! ATTENTION! **********");
@@ -501,17 +673,22 @@ COMMAND_HANDLER(kinetis_check_flash_security_status)
LOG_WARNING("**** command, power cycle the MCU and restart OpenOCD. ****");
LOG_WARNING("**** ****");
LOG_WARNING("*********** ATTENTION! ATTENTION! ATTENTION! ATTENTION! **********");
+
+ } else if (flash_not_ready_score > 24) {
+ jtag_poll_set_enabled(false);
+ LOG_WARNING("**** Your Kinetis MCU is probably locked-up in RESET/WDOG loop. ****");
+ LOG_WARNING("**** Common reason is a blank flash (at least a reset vector). ****");
+ LOG_WARNING("**** Issue 'kinetis mdm halt' command or if SRST is connected ****");
+ LOG_WARNING("**** and configured, use 'reset halt' ****");
+ LOG_WARNING("**** If MCU cannot be halted, it is likely secured and running ****");
+ LOG_WARNING("**** in RESET/WDOG loop. Issue 'kinetis mdm mass_erase' ****");
+
} else {
LOG_INFO("MDM: Chip is unsecured. Continuing.");
jtag_poll_set_enabled(true);
}
return ERROR_OK;
-
-fail:
- LOG_ERROR("MDM: Failed to check security status of the MCU. Cannot proceed further");
- jtag_poll_set_enabled(false);
- return retval;
}
FLASH_BANK_COMMAND_HANDLER(kinetis_flash_bank_command)
@@ -541,30 +718,11 @@ int kinetis_disable_wdog(struct target *target, uint32_t sim_sdid)
int retval;
static const uint8_t kinetis_unlock_wdog_code[] = {
- /* WDOG_UNLOCK = 0xC520 */
- 0x4f, 0xf4, 0x00, 0x53, /* mov.w r3, #8192 ; 0x2000 */
- 0xc4, 0xf2, 0x05, 0x03, /* movt r3, #16389 ; 0x4005 */
- 0x4c, 0xf2, 0x20, 0x52, /* movw r2, #50464 ; 0xc520 */
- 0xda, 0x81, /* strh r2, [r3, #14] */
-
- /* WDOG_UNLOCK = 0xD928 */
- 0x4f, 0xf4, 0x00, 0x53, /* mov.w r3, #8192 ; 0x2000 */
- 0xc4, 0xf2, 0x05, 0x03, /* movt r3, #16389 ; 0x4005 */
- 0x4d, 0xf6, 0x28, 0x12, /* movw r2, #55592 ; 0xd928 */
- 0xda, 0x81, /* strh r2, [r3, #14] */
-
- /* WDOG_SCR = 0x1d2 */
- 0x4f, 0xf4, 0x00, 0x53, /* mov.w r3, #8192 ; 0x2000 */
- 0xc4, 0xf2, 0x05, 0x03, /* movt r3, #16389 ; 0x4005 */
- 0x4f, 0xf4, 0xe9, 0x72, /* mov.w r2, #466 ; 0x1d2 */
- 0x1a, 0x80, /* strh r2, [r3, #0] */
-
- /* END */
- 0x00, 0xBE, /* bkpt #0 */
+#include "../../../contrib/loaders/watchdog/armv7m_kinetis_wdog.inc"
};
/* Decide whether the connected device needs watchdog disabling.
- * Disable for all Kx devices, i.e., return if it is a KLx */
+ * Disable for all Kx and KVx devices, return if it is a KLx */
if ((sim_sdid & KINETIS_SDID_SERIESID_MASK) == KINETIS_SDID_SERIESID_KL)
return ERROR_OK;
@@ -884,6 +1042,7 @@ static int kinetis_ftfx_command(struct target *target, uint8_t fcmd, uint32_t fa
fccobb, fccoba, fccob9, fccob8};
int result, i;
uint8_t buffer;
+ int64_t ms_timeout = timeval_ms() + 250;
/* wait for done */
for (i = 0; i < 50; i++) {
@@ -920,7 +1079,7 @@ static int kinetis_ftfx_command(struct target *target, uint8_t fcmd, uint32_t fa
return result;
/* wait for done */
- for (i = 0; i < 240; i++) { /* Need longtime for "Mass Erase" Command Nemui Changed */
+ do {
result =
target_read_memory(target, FTFx_FSTAT, 1, 1, ftfx_fstat);
@@ -929,7 +1088,8 @@ static int kinetis_ftfx_command(struct target *target, uint8_t fcmd, uint32_t fa
if (*ftfx_fstat & 0x80)
break;
- }
+
+ } while (timeval_ms() < ms_timeout);
if ((*ftfx_fstat & 0xf0) != 0x80) {
LOG_ERROR
@@ -944,16 +1104,69 @@ static int kinetis_ftfx_command(struct target *target, uint8_t fcmd, uint32_t fa
}
-static int kinetis_erase(struct flash_bank *bank, int first, int last)
+static int kinetis_check_run_mode(struct target *target)
{
int result, i;
- struct kinetis_flash_bank *kinfo = bank->driver_priv;
+ uint8_t pmctrl, pmstat;
- if (bank->target->state != TARGET_HALTED) {
+ if (target->state != TARGET_HALTED) {
LOG_ERROR("Target not halted");
return ERROR_TARGET_NOT_HALTED;
}
+ result = target_read_u8(target, SMC_PMSTAT, &pmstat);
+ if (result != ERROR_OK)
+ return result;
+
+ if (pmstat == PM_STAT_RUN)
+ return ERROR_OK;
+
+ if (pmstat == PM_STAT_VLPR) {
+ /* It is safe to switch from VLPR to RUN mode without changing clock */
+ LOG_INFO("Switching from VLPR to RUN mode.");
+ pmctrl = PM_CTRL_RUNM_RUN;
+ result = target_write_u8(target, SMC_PMCTRL, pmctrl);
+ if (result != ERROR_OK)
+ return result;
+
+ for (i = 100; i; i--) {
+ result = target_read_u8(target, SMC_PMSTAT, &pmstat);
+ if (result != ERROR_OK)
+ return result;
+
+ if (pmstat == PM_STAT_RUN)
+ return ERROR_OK;
+ }
+ }
+
+ LOG_ERROR("Flash operation not possible in current run mode: SMC_PMSTAT: 0x%x", pmstat);
+ LOG_ERROR("Issue a 'reset init' command.");
+ return ERROR_TARGET_NOT_HALTED;
+}
+
+
+static void kinetis_invalidate_flash_cache(struct flash_bank *bank)
+{
+ struct kinetis_flash_bank *kinfo = bank->driver_priv;
+ uint8_t pfb01cr_byte2 = 0xf0;
+
+ if (!(kinfo->flash_support & FS_INVALIDATE_CACHE))
+ return;
+
+ target_write_memory(bank->target, FMC_PFB01CR + 2, 1, 1, &pfb01cr_byte2);
+ return;
+}
+
+
+static int kinetis_erase(struct flash_bank *bank, int first, int last)
+{
+ int result, i;
+ struct kinetis_flash_bank *kinfo = bank->driver_priv;
+
+ result = kinetis_check_run_mode(bank->target);
+ if (result != ERROR_OK)
+ return result;
+
if ((first > bank->num_sectors) || (last > bank->num_sectors))
return ERROR_FLASH_OPERATION_FAILED;
@@ -976,6 +1189,8 @@ static int kinetis_erase(struct flash_bank *bank, int first, int last)
bank->sectors[i].is_erased = 1;
}
+ kinetis_invalidate_flash_cache(bank);
+
if (first == 0) {
LOG_WARNING
("flash configuration field erased, please reset the device");
@@ -984,54 +1199,63 @@ static int kinetis_erase(struct flash_bank *bank, int first, int last)
return ERROR_OK;
}
+static int kinetis_make_ram_ready(struct target *target)
+{
+ int result;
+ uint8_t ftfx_fstat;
+ uint8_t ftfx_fcnfg;
+
+ /* check if ram ready */
+ result = target_read_memory(target, FTFx_FCNFG, 1, 1, &ftfx_fcnfg);
+ if (result != ERROR_OK)
+ return result;
+
+ if (ftfx_fcnfg & (1 << 1))
+ return ERROR_OK; /* ram ready */
+
+ /* make flex ram available */
+ result = kinetis_ftfx_command(target, FTFx_CMD_SETFLEXRAM, 0x00ff0000,
+ 0, 0, 0, 0, 0, 0, 0, 0, &ftfx_fstat);
+ if (result != ERROR_OK)
+ return ERROR_FLASH_OPERATION_FAILED;
+
+ /* check again */
+ result = target_read_memory(target, FTFx_FCNFG, 1, 1, &ftfx_fcnfg);
+ if (result != ERROR_OK)
+ return result;
+
+ if (ftfx_fcnfg & (1 << 1))
+ return ERROR_OK; /* ram ready */
+
+ return ERROR_FLASH_OPERATION_FAILED;
+}
+
static int kinetis_write(struct flash_bank *bank, const uint8_t *buffer,
uint32_t offset, uint32_t count)
{
unsigned int i, result, fallback = 0;
- uint8_t buf[8];
uint32_t wc;
struct kinetis_flash_bank *kinfo = bank->driver_priv;
uint8_t *new_buffer = NULL;
- if (bank->target->state != TARGET_HALTED) {
- LOG_ERROR("Target not halted");
- return ERROR_TARGET_NOT_HALTED;
- }
+ result = kinetis_check_run_mode(bank->target);
+ if (result != ERROR_OK)
+ return result;
if (!(kinfo->flash_support & FS_PROGRAM_SECTOR)) {
/* fallback to longword write */
fallback = 1;
LOG_WARNING("This device supports Program Longword execution only.");
- LOG_DEBUG("flash write into PFLASH @08%" PRIX32, offset);
-
- } else if (kinfo->flash_class == FC_FLEX_NVM) {
- uint8_t ftfx_fstat;
-
- LOG_DEBUG("flash write into FlexNVM @%08" PRIX32, offset);
-
- /* make flex ram available */
- result = kinetis_ftfx_command(bank->target, FTFx_CMD_SETFLEXRAM, 0x00ff0000,
- 0, 0, 0, 0, 0, 0, 0, 0, &ftfx_fstat);
-
- if (result != ERROR_OK)
- return ERROR_FLASH_OPERATION_FAILED;
-
- /* check if ram ready */
- result = target_read_memory(bank->target, FTFx_FCNFG, 1, 1, buf);
-
- if (result != ERROR_OK)
- return result;
-
- if (!(buf[0] & (1 << 1))) {
- /* fallback to longword write */
+ } else {
+ result = kinetis_make_ram_ready(bank->target);
+ if (result != ERROR_OK) {
fallback = 1;
-
- LOG_WARNING("ram not ready, fallback to slow longword write (FCNFG: %02X)", buf[0]);
+ LOG_WARNING("FlexRAM not ready, fallback to slow longword write.");
}
- } else {
- LOG_DEBUG("flash write into PFLASH @08%" PRIX32, offset);
}
+ LOG_DEBUG("flash write @08%" PRIX32, offset);
+
/* program section command */
if (fallback == 0) {
@@ -1165,15 +1389,16 @@ static int kinetis_write(struct flash_bank *bank, const uint8_t *buffer,
return ERROR_FLASH_OPERATION_FAILED;
}
+ kinetis_invalidate_flash_cache(bank);
return ERROR_OK;
}
-static int kinetis_read_part_info(struct flash_bank *bank)
+static int kinetis_probe(struct flash_bank *bank)
{
int result, i;
uint32_t offset = 0;
uint8_t fcfg1_nvmsize, fcfg1_pfsize, fcfg1_eesize, fcfg1_depart;
- uint8_t fcfg2_pflsh;
+ uint8_t fcfg2_maxaddr0, fcfg2_pflsh, fcfg2_maxaddr1;
uint32_t nvm_size = 0, pf_size = 0, df_size = 0, ee_size = 0;
unsigned num_blocks = 0, num_pflash_blocks = 0, num_nvm_blocks = 0, first_nvm_bank = 0,
pflash_sector_size_bytes = 0, nvm_sector_size_bytes = 0;
@@ -1197,7 +1422,7 @@ static int kinetis_read_part_info(struct flash_bank *bank)
pflash_sector_size_bytes = 1<<10;
nvm_sector_size_bytes = 1<<10;
num_blocks = 2;
- kinfo->flash_support = FS_PROGRAM_LONGWORD | FS_PROGRAM_SECTOR;
+ kinfo->flash_support = FS_PROGRAM_LONGWORD | FS_PROGRAM_SECTOR | FS_INVALIDATE_CACHE;
break;
case KINETIS_K_SDID_K10_M72:
case KINETIS_K_SDID_K20_M72:
@@ -1210,7 +1435,7 @@ static int kinetis_read_part_info(struct flash_bank *bank)
pflash_sector_size_bytes = 2<<10;
nvm_sector_size_bytes = 1<<10;
num_blocks = 2;
- kinfo->flash_support = FS_PROGRAM_LONGWORD | FS_PROGRAM_SECTOR;
+ kinfo->flash_support = FS_PROGRAM_LONGWORD | FS_PROGRAM_SECTOR | FS_INVALIDATE_CACHE;
kinfo->max_flash_prog_size = 1<<10;
break;
case KINETIS_K_SDID_K10_M100:
@@ -1226,7 +1451,7 @@ static int kinetis_read_part_info(struct flash_bank *bank)
pflash_sector_size_bytes = 2<<10;
nvm_sector_size_bytes = 2<<10;
num_blocks = 2;
- kinfo->flash_support = FS_PROGRAM_LONGWORD | FS_PROGRAM_SECTOR;
+ kinfo->flash_support = FS_PROGRAM_LONGWORD | FS_PROGRAM_SECTOR | FS_INVALIDATE_CACHE;
break;
case KINETIS_K_SDID_K21_M120:
case KINETIS_K_SDID_K22_M120:
@@ -1235,7 +1460,7 @@ static int kinetis_read_part_info(struct flash_bank *bank)
kinfo->max_flash_prog_size = 1<<10;
nvm_sector_size_bytes = 4<<10;
num_blocks = 2;
- kinfo->flash_support = FS_PROGRAM_PHRASE | FS_PROGRAM_SECTOR;
+ kinfo->flash_support = FS_PROGRAM_PHRASE | FS_PROGRAM_SECTOR | FS_INVALIDATE_CACHE;
break;
case KINETIS_K_SDID_K10_M120:
case KINETIS_K_SDID_K20_M120:
@@ -1245,7 +1470,7 @@ static int kinetis_read_part_info(struct flash_bank *bank)
pflash_sector_size_bytes = 4<<10;
nvm_sector_size_bytes = 4<<10;
num_blocks = 4;
- kinfo->flash_support = FS_PROGRAM_PHRASE | FS_PROGRAM_SECTOR;
+ kinfo->flash_support = FS_PROGRAM_PHRASE | FS_PROGRAM_SECTOR | FS_INVALIDATE_CACHE;
break;
default:
LOG_ERROR("Unsupported K-family FAMID");
@@ -1259,7 +1484,7 @@ static int kinetis_read_part_info(struct flash_bank *bank)
/* K02FN64, K02FN128: FTFA, 2kB sectors */
pflash_sector_size_bytes = 2<<10;
num_blocks = 1;
- kinfo->flash_support = FS_PROGRAM_LONGWORD;
+ kinfo->flash_support = FS_PROGRAM_LONGWORD | FS_INVALIDATE_CACHE;
break;
case KINETIS_SDID_FAMILYID_K2X | KINETIS_SDID_SUBFAMID_KX2: {
@@ -1274,7 +1499,7 @@ static int kinetis_read_part_info(struct flash_bank *bank)
/* MK24FN1M */
pflash_sector_size_bytes = 4<<10;
num_blocks = 2;
- kinfo->flash_support = FS_PROGRAM_PHRASE | FS_PROGRAM_SECTOR;
+ kinfo->flash_support = FS_PROGRAM_PHRASE | FS_PROGRAM_SECTOR | FS_INVALIDATE_CACHE;
kinfo->max_flash_prog_size = 1<<10;
break;
}
@@ -1283,8 +1508,8 @@ static int kinetis_read_part_info(struct flash_bank *bank)
|| (kinfo->sim_sdid & (KINETIS_SDID_DIEID_MASK)) == KINETIS_SDID_DIEID_K22FN512) {
/* K22 with new-style SDID - smaller pflash with FTFA, 2kB sectors */
pflash_sector_size_bytes = 2<<10;
- num_blocks = 2; /* 1 or 2 blocks */
- kinfo->flash_support = FS_PROGRAM_LONGWORD;
+ /* autodetect 1 or 2 blocks */
+ kinfo->flash_support = FS_PROGRAM_LONGWORD | FS_INVALIDATE_CACHE;
break;
}
LOG_ERROR("Unsupported Kinetis K22 DIEID");
@@ -1295,12 +1520,12 @@ static int kinetis_read_part_info(struct flash_bank *bank)
if ((kinfo->sim_sdid & (KINETIS_SDID_DIEID_MASK)) == KINETIS_SDID_DIEID_K24FN256) {
/* K24FN256 - smaller pflash with FTFA */
num_blocks = 1;
- kinfo->flash_support = FS_PROGRAM_LONGWORD;
+ kinfo->flash_support = FS_PROGRAM_LONGWORD | FS_INVALIDATE_CACHE;
break;
}
/* K24FN1M without errata 7534 */
num_blocks = 2;
- kinfo->flash_support = FS_PROGRAM_PHRASE | FS_PROGRAM_SECTOR;
+ kinfo->flash_support = FS_PROGRAM_PHRASE | FS_PROGRAM_SECTOR | FS_INVALIDATE_CACHE;
kinfo->max_flash_prog_size = 1<<10;
break;
@@ -1314,7 +1539,7 @@ static int kinetis_read_part_info(struct flash_bank *bank)
nvm_sector_size_bytes = 4<<10;
kinfo->max_flash_prog_size = 1<<10;
num_blocks = 2;
- kinfo->flash_support = FS_PROGRAM_PHRASE | FS_PROGRAM_SECTOR;
+ kinfo->flash_support = FS_PROGRAM_PHRASE | FS_PROGRAM_SECTOR | FS_INVALIDATE_CACHE;
break;
case KINETIS_SDID_FAMILYID_K2X | KINETIS_SDID_SUBFAMID_KX6:
@@ -1325,19 +1550,61 @@ static int kinetis_read_part_info(struct flash_bank *bank)
nvm_sector_size_bytes = 4<<10;
kinfo->max_flash_prog_size = 1<<10;
num_blocks = 4;
- kinfo->flash_support = FS_PROGRAM_PHRASE | FS_PROGRAM_SECTOR;
+ kinfo->flash_support = FS_PROGRAM_PHRASE | FS_PROGRAM_SECTOR | FS_INVALIDATE_CACHE;
break;
default:
LOG_ERROR("Unsupported Kinetis FAMILYID SUBFAMID");
}
break;
+
case KINETIS_SDID_SERIESID_KL:
/* KL-series */
pflash_sector_size_bytes = 1<<10;
nvm_sector_size_bytes = 1<<10;
- num_blocks = 1;
+ /* autodetect 1 or 2 blocks */
kinfo->flash_support = FS_PROGRAM_LONGWORD;
break;
+
+ case KINETIS_SDID_SERIESID_KV:
+ /* KV-series */
+ switch (kinfo->sim_sdid & (KINETIS_SDID_FAMILYID_MASK | KINETIS_SDID_SUBFAMID_MASK)) {
+ case KINETIS_SDID_FAMILYID_K1X | KINETIS_SDID_SUBFAMID_KX0:
+ /* KV10: FTFA, 1kB sectors */
+ pflash_sector_size_bytes = 1<<10;
+ num_blocks = 1;
+ kinfo->flash_support = FS_PROGRAM_LONGWORD;
+ break;
+
+ case KINETIS_SDID_FAMILYID_K1X | KINETIS_SDID_SUBFAMID_KX1:
+ /* KV11: FTFA, 2kB sectors */
+ pflash_sector_size_bytes = 2<<10;
+ num_blocks = 1;
+ kinfo->flash_support = FS_PROGRAM_LONGWORD;
+ break;
+
+ case KINETIS_SDID_FAMILYID_K3X | KINETIS_SDID_SUBFAMID_KX0:
+ /* KV30: FTFA, 2kB sectors, 1 block */
+ case KINETIS_SDID_FAMILYID_K3X | KINETIS_SDID_SUBFAMID_KX1:
+ /* KV31: FTFA, 2kB sectors, 2 blocks */
+ pflash_sector_size_bytes = 2<<10;
+ /* autodetect 1 or 2 blocks */
+ kinfo->flash_support = FS_PROGRAM_LONGWORD | FS_INVALIDATE_CACHE;
+ break;
+
+ case KINETIS_SDID_FAMILYID_K4X | KINETIS_SDID_SUBFAMID_KX2:
+ case KINETIS_SDID_FAMILYID_K4X | KINETIS_SDID_SUBFAMID_KX4:
+ case KINETIS_SDID_FAMILYID_K4X | KINETIS_SDID_SUBFAMID_KX6:
+ /* KV4x: FTFA, 4kB sectors */
+ pflash_sector_size_bytes = 4<<10;
+ num_blocks = 1;
+ kinfo->flash_support = FS_PROGRAM_LONGWORD | FS_INVALIDATE_CACHE;
+ break;
+
+ default:
+ LOG_ERROR("Unsupported KV FAMILYID SUBFAMID");
+ }
+ break;
+
default:
LOG_ERROR("Unsupported K-series");
}
@@ -1365,6 +1632,18 @@ static int kinetis_read_part_info(struct flash_bank *bank)
fcfg1_depart = (uint8_t)((kinfo->sim_fcfg1 >> 8) & 0x0f);
fcfg2_pflsh = (uint8_t)((kinfo->sim_fcfg2 >> 23) & 0x01);
+ fcfg2_maxaddr0 = (uint8_t)((kinfo->sim_fcfg2 >> 24) & 0x7f);
+ fcfg2_maxaddr1 = (uint8_t)((kinfo->sim_fcfg2 >> 16) & 0x7f);
+
+ if (num_blocks == 0)
+ num_blocks = fcfg2_maxaddr1 ? 2 : 1;
+ else if (fcfg2_maxaddr1 == 0 && num_blocks >= 2) {
+ num_blocks = 1;
+ LOG_WARNING("MAXADDR1 is zero, number of flash banks adjusted to 1");
+ } else if (fcfg2_maxaddr1 != 0 && num_blocks == 1) {
+ num_blocks = 2;
+ LOG_WARNING("MAXADDR1 is non zero, number of flash banks adjusted to 2");
+ }
/* when the PFLSH bit is set, there is no FlexNVM/FlexRAM */
if (!fcfg2_pflsh) {
@@ -1441,12 +1720,22 @@ static int kinetis_read_part_info(struct flash_bank *bank)
pf_size = 1 << (14 + (fcfg1_pfsize >> 1));
break;
case 0x0f:
- if (pflash_sector_size_bytes >= 4<<10)
- pf_size = 1024<<10;
- else if (fcfg2_pflsh)
- pf_size = 512<<10;
+ /* a peculiar case: Freescale states different sizes for 0xf
+ * K02P64M100SFARM 128 KB ... duplicate of code 0x7
+ * K22P121M120SF8RM 256 KB ... duplicate of code 0x9
+ * K22P121M120SF7RM 512 KB ... duplicate of code 0xb
+ * K22P100M120SF5RM 1024 KB ... duplicate of code 0xd
+ * K26P169M180SF5RM 2048 KB ... the only unique value
+ * fcfg2_maxaddr0 seems to be the only clue to pf_size
+ * Checking fcfg2_maxaddr0 later in this routine is pointless then
+ */
+ if (fcfg2_pflsh)
+ pf_size = ((uint32_t)fcfg2_maxaddr0 << 13) * num_blocks;
else
- pf_size = 256<<10;
+ pf_size = ((uint32_t)fcfg2_maxaddr0 << 13) * num_blocks / 2;
+ if (pf_size != 2048<<10)
+ LOG_WARNING("SIM_FCFG1 PFSIZE = 0xf: please check if pflash is %u KB", pf_size>>10);
+
break;
default:
pf_size = 0;
@@ -1472,7 +1761,10 @@ static int kinetis_read_part_info(struct flash_bank *bank)
bank->base = 0x00000000 + bank->size * bank->bank_number;
kinfo->prog_base = bank->base;
kinfo->sector_size = pflash_sector_size_bytes;
- kinfo->protection_size = pf_size / 32;
+ /* pflash is divided into 32 protection areas for
+ * parts with more than 32K of PFlash. For parts with
+ * less the protection unit is set to 1024 bytes */
+ kinfo->protection_size = MAX(pf_size / 32, 1024);
kinfo->protection_block = (32 / num_pflash_blocks) * bank->bank_number;
} else if ((unsigned)bank->bank_number < num_blocks) {
@@ -1518,6 +1810,20 @@ static int kinetis_read_part_info(struct flash_bank *bank)
return ERROR_FLASH_BANK_INVALID;
}
+ if (bank->bank_number == 0 && ((uint32_t)fcfg2_maxaddr0 << 13) != bank->size)
+ LOG_WARNING("MAXADDR0 0x%02" PRIx8 " check failed,"
+ " please report to OpenOCD mailing list", fcfg2_maxaddr0);
+ if (fcfg2_pflsh) {
+ if (bank->bank_number == 1 && ((uint32_t)fcfg2_maxaddr1 << 13) != bank->size)
+ LOG_WARNING("MAXADDR1 0x%02" PRIx8 " check failed,"
+ " please report to OpenOCD mailing list", fcfg2_maxaddr1);
+ } else {
+ if ((unsigned)bank->bank_number == first_nvm_bank
+ && ((uint32_t)fcfg2_maxaddr1 << 13) != df_size)
+ LOG_WARNING("FlexNVM MAXADDR1 0x%02" PRIx8 " check failed,"
+ " please report to OpenOCD mailing list", fcfg2_maxaddr1);
+ }
+
if (bank->sectors) {
free(bank->sectors);
bank->sectors = NULL;
@@ -1554,16 +1860,6 @@ static int kinetis_read_part_info(struct flash_bank *bank)
return ERROR_OK;
}
-static int kinetis_probe(struct flash_bank *bank)
-{
- if (bank->target->state != TARGET_HALTED) {
- LOG_WARNING("Cannot communicate... target not halted.");
- return ERROR_TARGET_NOT_HALTED;
- }
-
- return kinetis_read_part_info(bank);
-}
-
static int kinetis_auto_probe(struct flash_bank *bank)
{
struct kinetis_flash_bank *kinfo = bank->driver_priv;
@@ -1593,14 +1889,14 @@ static int kinetis_info(struct flash_bank *bank, char *buf, int buf_size)
static int kinetis_blank_check(struct flash_bank *bank)
{
struct kinetis_flash_bank *kinfo = bank->driver_priv;
+ int result;
- if (bank->target->state != TARGET_HALTED) {
- LOG_ERROR("Target not halted");
- return ERROR_TARGET_NOT_HALTED;
- }
+ /* suprisingly blank check does not work in VLPR and HSRUN modes */
+ result = kinetis_check_run_mode(bank->target);
+ if (result != ERROR_OK)
+ return result;
if (kinfo->flash_class == FC_PFLASH || kinfo->flash_class == FC_FLEX_NVM) {
- int result;
bool block_dirty = false;
uint8_t ftfx_fstat;
@@ -1650,21 +1946,173 @@ static int kinetis_blank_check(struct flash_bank *bank)
return ERROR_OK;
}
-static const struct command_registration kinetis_securtiy_command_handlers[] = {
+
+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);
+
+ result = kinetis_check_run_mode(target);
+ if (result != ERROR_OK)
+ return result;
+
+ 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_security_command_handlers[] = {
{
.name = "check_security",
.mode = COMMAND_EXEC,
- .help = "",
+ .help = "Check status of device security lock",
.usage = "",
.handler = kinetis_check_flash_security_status,
},
+ {
+ .name = "halt",
+ .mode = COMMAND_EXEC,
+ .help = "Issue a halt via the MDM-AP",
+ .usage = "",
+ .handler = kinetis_mdm_halt,
+ },
{
.name = "mass_erase",
.mode = COMMAND_EXEC,
- .help = "",
+ .help = "Issue a complete flash erase via the MDM-AP",
.usage = "",
.handler = kinetis_mdm_mass_erase,
},
+ { .name = "reset",
+ .mode = COMMAND_EXEC,
+ .help = "Issue a reset via the MDM-AP",
+ .usage = "",
+ .handler = kinetis_mdm_reset,
+ },
COMMAND_REGISTRATION_DONE
};
@@ -1672,9 +2120,9 @@ static const struct command_registration kinetis_exec_command_handlers[] = {
{
.name = "mdm",
.mode = COMMAND_ANY,
- .help = "",
+ .help = "MDM-AP command group",
.usage = "",
- .chain = kinetis_securtiy_command_handlers,
+ .chain = kinetis_security_command_handlers,
},
{
.name = "disable_wdog",
@@ -1683,6 +2131,14 @@ static const struct command_registration kinetis_exec_command_handlers[] = {
.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
};
@@ -1690,7 +2146,7 @@ static const struct command_registration kinetis_command_handler[] = {
{
.name = "kinetis",
.mode = COMMAND_ANY,
- .help = "kinetis flash controller commands",
+ .help = "Kinetis flash controller commands",
.usage = "",
.chain = kinetis_exec_command_handlers,
},