Fix warnings exposed by GCC8
[openocd.git] / src / flash / nor / kinetis.c
index ba3f5ea69645684e13a953d6a8363501082a1d81..86fad7215c5402c87666df8b774daed0a90ee6c2 100644 (file)
@@ -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 <http://www.gnu.org/licenses/>. *
  ***************************************************************************/
 
 #ifdef HAVE_CONFIG_H
@@ -34,6 +35,8 @@
 #include "jtag/interface.h"
 #include "imp.h"
 #include <helper/binarybuffer.h>
+#include <helper/time_support.h>
+#include <target/target_type.h>
 #include <target/algorithm.h>
 #include <target/armv7m.h>
 #include <target/cortex_m.h>
  */
 
 /* Addressess */
+#define FCF_ADDRESS    0x00000400
+#define FCF_FPROT      0x8
+#define FCF_FSEC       0xc
+#define FCF_FOPT       0xd
+#define FCF_FDPROT     0xf
+#define FCF_SIZE       0x10
+
 #define FLEXRAM                0x14000000
+
+#define MSCM_OCMDR0    0x40001400
+#define FMC_PFB01CR    0x4001f004
 #define FTFx_FSTAT     0x40020000
 #define FTFx_FCNFG     0x40020001
 #define FTFx_FCCOB3    0x40020004
 #define FTFx_FPROT3    0x40020010
-#define SIM_SDID       0x40048024
-#define SIM_SOPT1      0x40047000
-#define SIM_FCFG1      0x4004804c
-#define SIM_FCFG2      0x40048050
+#define FTFx_FDPROT    0x40020017
+#define SIM_BASE       0x40047000
+#define SIM_BASE_KL28  0x40074000
+#define SIM_COPC       0x40048100
+       /* SIM_COPC does not exist on devices with changed SIM_BASE */
+#define WDOG_BASE      0x40052000
+#define WDOG32_KE1X    0x40052000
+#define WDOG32_KL28    0x40076000
+#define SMC_PMCTRL     0x4007E001
+#define SMC_PMSTAT     0x4007E003
+#define SMC32_PMCTRL   0x4007E00C
+#define SMC32_PMSTAT   0x4007E014
+#define MCM_PLACR      0xF000300C
+
+/* Offsets */
+#define SIM_SOPT1_OFFSET    0x0000
+#define SIM_SDID_OFFSET            0x1024
+#define SIM_FCFG1_OFFSET    0x104c
+#define SIM_FCFG2_OFFSET    0x1050
+
+#define WDOG_STCTRLH_OFFSET      0
+#define WDOG32_CS_OFFSET         0
+
+/* Values */
+#define PM_STAT_RUN            0x01
+#define PM_STAT_VLPR           0x04
+#define PM_CTRL_RUNM_RUN       0x00
 
 /* Commands */
 #define FTFx_CMD_BLOCKSTAT  0x00
 #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
 #define KINETIS_SDID_SERIESID_MASK 0x00F00000
 #define KINETIS_SDID_SERIESID_K   0x00000000
 #define KINETIS_SDID_SERIESID_KL   0x00100000
+#define KINETIS_SDID_SERIESID_KE   0x00200000
 #define KINETIS_SDID_SERIESID_KW   0x00500000
 #define KINETIS_SDID_SERIESID_KV   0x00600000
 
+#define KINETIS_SDID_SUBFAMID_SHIFT 24
 #define KINETIS_SDID_SUBFAMID_MASK  0x0F000000
 #define KINETIS_SDID_SUBFAMID_KX0   0x00000000
 #define KINETIS_SDID_SUBFAMID_KX1   0x01000000
 #define KINETIS_SDID_SUBFAMID_KX4   0x04000000
 #define KINETIS_SDID_SUBFAMID_KX5   0x05000000
 #define KINETIS_SDID_SUBFAMID_KX6   0x06000000
+#define KINETIS_SDID_SUBFAMID_KX7   0x07000000
+#define KINETIS_SDID_SUBFAMID_KX8   0x08000000
 
+#define KINETIS_SDID_FAMILYID_SHIFT 28
 #define KINETIS_SDID_FAMILYID_MASK  0xF0000000
 #define KINETIS_SDID_FAMILYID_K0X   0x00000000
 #define KINETIS_SDID_FAMILYID_K1X   0x10000000
 #define KINETIS_SDID_FAMILYID_K2X   0x20000000
 #define KINETIS_SDID_FAMILYID_K3X   0x30000000
 #define KINETIS_SDID_FAMILYID_K4X   0x40000000
+#define KINETIS_SDID_FAMILYID_K5X   0x50000000
 #define KINETIS_SDID_FAMILYID_K6X   0x60000000
 #define KINETIS_SDID_FAMILYID_K7X   0x70000000
+#define KINETIS_SDID_FAMILYID_K8X   0x80000000
+#define KINETIS_SDID_FAMILYID_KL8X  0x90000000
+
+/* The field originally named DIEID has new name/meaning on KE1x */
+#define KINETIS_SDID_PROJECTID_MASK  KINETIS_SDID_DIEID_MASK
+#define KINETIS_SDID_PROJECTID_KE1xF 0x00000080
+#define KINETIS_SDID_PROJECTID_KE1xZ 0x00000100
 
 struct kinetis_flash_bank {
-       unsigned bank_ordinal;
+       struct kinetis_chip *k_chip;
+       bool probed;
+       unsigned bank_number;           /* bank number in particular chip */
+       struct flash_bank *bank;
+
        uint32_t sector_size;
-       uint32_t max_flash_prog_size;
        uint32_t protection_size;
-
-       uint32_t sim_sdid;
-       uint32_t sim_fcfg1;
-       uint32_t sim_fcfg2;
+       uint32_t prog_base;             /* base address for FTFx operations */
+                                       /* usually same as bank->base for pflash, differs for FlexNVM */
+       uint32_t protection_block;      /* number of first protection block in this bank */
 
        enum {
                FC_AUTO = 0,
@@ -201,14 +253,110 @@ struct kinetis_flash_bank {
                FC_FLEX_NVM,
                FC_FLEX_RAM,
        } flash_class;
+};
+
+#define KINETIS_MAX_BANKS 4u
+
+struct kinetis_chip {
+       struct target *target;
+       bool probed;
+
+       uint32_t sim_sdid;
+       uint32_t sim_fcfg1;
+       uint32_t sim_fcfg2;
+       uint32_t fcfg2_maxaddr0_shifted;
+       uint32_t fcfg2_maxaddr1_shifted;
+
+       unsigned num_pflash_blocks, num_nvm_blocks;
+       unsigned pflash_sector_size, nvm_sector_size;
+       unsigned max_flash_prog_size;
+
+       uint32_t pflash_base;
+       uint32_t pflash_size;
+       uint32_t nvm_base;
+       uint32_t nvm_size;              /* whole FlexNVM */
+       uint32_t dflash_size;           /* accessible rest of FlexNVM if EEPROM backup uses part of FlexNVM */
+
+       uint32_t progr_accel_ram;
+       uint32_t sim_base;
 
        enum {
                FS_PROGRAM_SECTOR = 1,
                FS_PROGRAM_LONGWORD = 2,
-               FS_PROGRAM_PHRASE = 4, /* Unsupported */
+               FS_PROGRAM_PHRASE = 4,          /* Unsupported */
+
+               FS_NO_CMD_BLOCKSTAT = 0x40,
+               FS_WIDTH_256BIT = 0x80,
+               FS_ECC = 0x100,
        } flash_support;
+
+       enum {
+               KINETIS_CACHE_NONE,
+               KINETIS_CACHE_K,        /* invalidate using FMC->PFB0CR/PFB01CR */
+               KINETIS_CACHE_L,        /* invalidate using MCM->PLACR */
+               KINETIS_CACHE_MSCM,     /* devices like KE1xF, invalidate MSCM->OCMDR0 */
+       } cache_type;
+
+       enum {
+               KINETIS_WDOG_NONE,
+               KINETIS_WDOG_K,
+               KINETIS_WDOG_COP,
+               KINETIS_WDOG32_KE1X,
+               KINETIS_WDOG32_KL28,
+       } watchdog_type;
+
+       enum {
+               KINETIS_SMC,
+               KINETIS_SMC32,
+       } sysmodectrlr_type;
+
+       char name[40];
+
+       unsigned num_banks;
+       struct kinetis_flash_bank banks[KINETIS_MAX_BANKS];
+};
+
+struct kinetis_type {
+       uint32_t sdid;
+       char *name;
 };
 
+static const struct kinetis_type kinetis_types_old[] = {
+       { KINETIS_K_SDID_K10_M50,  "MK10D%s5" },
+       { KINETIS_K_SDID_K10_M72,  "MK10D%s7" },
+       { KINETIS_K_SDID_K10_M100, "MK10D%s10" },
+       { KINETIS_K_SDID_K10_M120, "MK10F%s12" },
+       { KINETIS_K_SDID_K11,      "MK11D%s5" },
+       { KINETIS_K_SDID_K12,      "MK12D%s5" },
+
+       { KINETIS_K_SDID_K20_M50,  "MK20D%s5" },
+       { KINETIS_K_SDID_K20_M72,  "MK20D%s7" },
+       { KINETIS_K_SDID_K20_M100, "MK20D%s10" },
+       { KINETIS_K_SDID_K20_M120, "MK20F%s12" },
+       { KINETIS_K_SDID_K21_M50,  "MK21D%s5" },
+       { KINETIS_K_SDID_K21_M120, "MK21F%s12" },
+       { KINETIS_K_SDID_K22_M50,  "MK22D%s5" },
+       { KINETIS_K_SDID_K22_M120, "MK22F%s12" },
+
+       { KINETIS_K_SDID_K30_M72,  "MK30D%s7" },
+       { KINETIS_K_SDID_K30_M100, "MK30D%s10" },
+
+       { KINETIS_K_SDID_K40_M72,  "MK40D%s7" },
+       { KINETIS_K_SDID_K40_M100, "MK40D%s10" },
+
+       { KINETIS_K_SDID_K50_M72,  "MK50D%s7" },
+       { KINETIS_K_SDID_K51_M72,  "MK51D%s7" },
+       { KINETIS_K_SDID_K53,      "MK53D%s10" },
+
+       { KINETIS_K_SDID_K60_M100, "MK60D%s10" },
+       { KINETIS_K_SDID_K60_M150, "MK60F%s15" },
+
+       { KINETIS_K_SDID_K70_M150, "MK70F%s15" },
+};
+
+
+#define MDM_AP                 1
+
 #define MDM_REG_STAT           0x00
 #define MDM_REG_CTRL           0x04
 #define MDM_REG_ID             0xfc
@@ -227,23 +375,37 @@ 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     500 /* msec */
+
+
+static bool allow_fcf_writes;
+static uint8_t fcf_fopt = 0xff;
+static bool fcf_fopt_configured;
+static bool create_banks;
+
+
+struct flash_driver kinetis_flash;
+static int kinetis_write_inner(struct flash_bank *bank, const uint8_t *buffer,
+                       uint32_t offset, uint32_t count);
+static int kinetis_probe_chip(struct kinetis_chip *k_chip);
+static int kinetis_auto_probe(struct flash_bank *bank);
 
-#define MDM_ACCESS_TIMEOUT     3000 /* iterations */
 
 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, 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;
@@ -262,7 +424,8 @@ static int kinetis_mdm_write_register(struct adiv5_dap *dap, unsigned reg, uint3
 static int kinetis_mdm_read_register(struct adiv5_dap *dap, unsigned reg, uint32_t *result)
 {
        int retval;
-       retval = dap_queue_ap_read(dap, 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;
@@ -278,11 +441,12 @@ 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);
@@ -290,17 +454,121 @@ 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)
 {
@@ -314,7 +582,6 @@ COMMAND_HANDLER(kinetis_mdm_mass_erase)
        }
 
        int retval;
-       const uint8_t original_ap = dap->ap_current;
 
        /*
         * ... Power on the processor, or if power has already been
@@ -324,74 +591,129 @@ 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''.");
-
-       dap_ap_select(dap, 1);
 
-       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)
-               adapter_deassert_reset();
+       target->type->deassert_reset(target);
 
-       dap_ap_select(dap, original_ap);
-       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[] = {
        0x001C0000,     /* Kinetis-K Series */
        0x001C0020,     /* Kinetis-L/M/V/E Series */
+       0x001C0030,     /* Kinetis with a Cortex-M7, in time of writing KV58 */
 };
 
 /*
@@ -411,12 +733,11 @@ COMMAND_HANDLER(kinetis_check_flash_security_status)
                return ERROR_OK;
        }
 
+       if (!dap->ops)
+               return ERROR_OK;        /* too early to check, in JTAG mode ops may not be initialised */
+
        uint32_t val;
        int retval;
-       const uint8_t origninal_ap = dap->ap_current;
-
-       dap_ap_select(dap, 1);
-
 
        /*
         * ... The MDM-AP ID register can be read to verify that the
@@ -425,9 +746,12 @@ 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;        /* dap not yet initialised */
+
        bool found = false;
        for (size_t i = 0; i < ARRAY_SIZE(kinetis_known_mdm_ids); i++) {
                if (val == kinetis_known_mdm_ids[i]) {
@@ -439,17 +763,6 @@ 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
@@ -460,10 +773,40 @@ 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) {
+       /*
+        * 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;
+
+       if ((val & (MDM_STAT_SYSSEC | MDM_STAT_FREADY)) != MDM_STAT_FREADY) {
+               uint32_t stats[32];
+               int i;
+
+               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]);
+               }
+               retval = dap_run(dap);
+               if (retval != ERROR_OK) {
+                       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 (flash_not_ready_score <= 8 && secured_score > 24) {
                jtag_poll_set_enabled(false);
 
                LOG_WARNING("*********** ATTENTION! ATTENTION! ATTENTION! ATTENTION! **********");
@@ -475,269 +818,658 @@ 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);
        }
 
-       dap_ap_select(dap, origninal_ap);
-
        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;
+
+static struct kinetis_chip *kinetis_get_chip(struct target *target)
+{
+       struct flash_bank *bank_iter;
+       struct kinetis_flash_bank *k_bank;
+
+       /* iterate over all kinetis banks */
+       for (bank_iter = flash_bank_list(); bank_iter; bank_iter = bank_iter->next) {
+               if (bank_iter->driver != &kinetis_flash
+                   || bank_iter->target != target)
+                       continue;
+
+               k_bank = bank_iter->driver_priv;
+               if (!k_bank)
+                       continue;
+
+               if (k_bank->k_chip)
+                       return k_bank->k_chip;
+       }
+       return NULL;
+}
+
+static int kinetis_chip_options(struct kinetis_chip *k_chip, int argc, const char *argv[])
+{
+       int i;
+       for (i = 0; i < argc; i++) {
+               if (strcmp(argv[i], "-sim-base") == 0) {
+                       if (i + 1 < argc)
+                               k_chip->sim_base = strtoul(argv[++i], NULL, 0);
+               } else
+                       LOG_ERROR("Unsupported flash bank option %s", argv[i]);
+       }
+       return ERROR_OK;
 }
 
 FLASH_BANK_COMMAND_HANDLER(kinetis_flash_bank_command)
 {
-       struct kinetis_flash_bank *bank_info;
+       struct target *target = bank->target;
+       struct kinetis_chip *k_chip;
+       struct kinetis_flash_bank *k_bank;
+       int retval;
 
        if (CMD_ARGC < 6)
                return ERROR_COMMAND_SYNTAX_ERROR;
 
        LOG_INFO("add flash_bank kinetis %s", bank->name);
 
-       bank_info = malloc(sizeof(struct kinetis_flash_bank));
+       k_chip = kinetis_get_chip(target);
+
+       if (k_chip == NULL) {
+               k_chip = calloc(sizeof(struct kinetis_chip), 1);
+               if (k_chip == NULL) {
+                       LOG_ERROR("No memory");
+                       return ERROR_FAIL;
+               }
+
+               k_chip->target = target;
 
-       memset(bank_info, 0, sizeof(struct kinetis_flash_bank));
+               /* only the first defined bank can define chip options */
+               retval = kinetis_chip_options(k_chip, CMD_ARGC - 6, CMD_ARGV + 6);
+               if (retval != ERROR_OK)
+                       return retval;
+       }
+
+       if (k_chip->num_banks >= KINETIS_MAX_BANKS) {
+               LOG_ERROR("Only %u Kinetis flash banks are supported", KINETIS_MAX_BANKS);
+               return ERROR_FAIL;
+       }
 
-       bank->driver_priv = bank_info;
+       bank->driver_priv = k_bank = &(k_chip->banks[k_chip->num_banks]);
+       k_bank->k_chip = k_chip;
+       k_bank->bank_number = k_chip->num_banks;
+       k_bank->bank = bank;
+       k_chip->num_banks++;
 
        return ERROR_OK;
 }
 
-/* Kinetis Program-LongWord Microcodes */
-static const uint8_t kinetis_flash_write_code[] = {
-       /* Params:
-        * r0 - workarea buffer
-       * r1 - target address
-       * r2 - wordcount
-       * Clobbered:
-       * r4 - tmp
-       * r5 - tmp
-       * r6 - tmp
-       * r7 - tmp
-       */
-
-                                                       /* .L1: */
-                                               /* for(register uint32_t i=0;i<wcount;i++){ */
-       0x04, 0x1C,                                     /* mov    r4, r0          */
-       0x00, 0x23,                                     /* mov    r3, #0          */
-                                                       /* .L2: */
-       0x0E, 0x1A,                                     /* sub    r6, r1, r0      */
-       0xA6, 0x19,                                     /* add    r6, r4, r6      */
-       0x93, 0x42,                                     /* cmp    r3, r2          */
-       0x16, 0xD0,                                     /* beq    .L9             */
-                                                       /* .L5: */
-                                               /* while((FTFx_FSTAT&FTFA_FSTAT_CCIF_MASK) != FTFA_FSTAT_CCIF_MASK){}; */
-       0x0B, 0x4D,                                     /* ldr    r5, .L10        */
-       0x2F, 0x78,                                     /* ldrb   r7, [r5]        */
-       0x7F, 0xB2,                                     /* sxtb   r7, r7          */
-       0x00, 0x2F,                                     /* cmp    r7, #0          */
-       0xFA, 0xDA,                                     /* bge    .L5             */
-                                               /* FTFx_FSTAT = FTFA_FSTAT_ACCERR_MASK|FTFA_FSTAT_FPVIOL_MASK|FTFA_FSTAT_RDCO */
-       0x70, 0x27,                                     /* mov    r7, #112        */
-       0x2F, 0x70,                                     /* strb   r7, [r5]        */
-                                               /* FTFx_FCCOB3 = faddr; */
-       0x09, 0x4F,                                     /* ldr    r7, .L10+4      */
-       0x3E, 0x60,                                     /* str    r6, [r7]        */
-       0x06, 0x27,                                     /* mov    r7, #6          */
-                                               /* FTFx_FCCOB0 = 0x06;  */
-       0x08, 0x4E,                                     /* ldr    r6, .L10+8      */
-       0x37, 0x70,                                     /* strb   r7, [r6]        */
-                                               /* FTFx_FCCOB7 = *pLW;  */
-       0x80, 0xCC,                                     /* ldmia  r4!, {r7}       */
-       0x08, 0x4E,                                     /* ldr    r6, .L10+12     */
-       0x37, 0x60,                                     /* str    r7, [r6]        */
-                                               /* FTFx_FSTAT = FTFA_FSTAT_CCIF_MASK; */
-       0x80, 0x27,                                     /* mov    r7, #128        */
-       0x2F, 0x70,                                     /* strb   r7, [r5]        */
-                                                       /* .L4: */
-                                               /* while((FTFx_FSTAT&FTFA_FSTAT_CCIF_MASK) != FTFA_FSTAT_CCIF_MASK){}; */
-       0x2E, 0x78,                                     /* ldrb    r6, [r5]       */
-       0x77, 0xB2,                                     /* sxtb    r7, r6         */
-       0x00, 0x2F,                                     /* cmp     r7, #0         */
-       0xFB, 0xDA,                                     /* bge     .L4            */
-       0x01, 0x33,                                     /* add     r3, r3, #1     */
-       0xE4, 0xE7,                                     /* b       .L2            */
-                                                       /* .L9: */
-       0x00, 0xBE,                                     /* bkpt #0                */
-                                                       /* .L10: */
-       0x00, 0x00, 0x02, 0x40,         /* .word    1073872896    */
-       0x04, 0x00, 0x02, 0x40,         /* .word    1073872900    */
-       0x07, 0x00, 0x02, 0x40,         /* .word    1073872903    */
-       0x08, 0x00, 0x02, 0x40,         /* .word    1073872904    */
-};
 
-/* Program LongWord Block Write */
-static int kinetis_write_block(struct flash_bank *bank, const uint8_t *buffer,
-               uint32_t offset, uint32_t wcount)
+static void kinetis_free_driver_priv(struct flash_bank *bank)
 {
-       struct target *target = bank->target;
-       uint32_t buffer_size = 2048;            /* Default minimum value */
-       struct working_area *write_algorithm;
-       struct working_area *source;
-       uint32_t address = bank->base + offset;
-       struct reg_param reg_params[3];
-       struct armv7m_algorithm armv7m_info;
-       int retval = ERROR_OK;
-
-       /* Params:
-        * r0 - workarea buffer
-        * r1 - target address
-        * r2 - wordcount
-        * Clobbered:
-        * r4 - tmp
-        * r5 - tmp
-        * r6 - tmp
-        * r7 - tmp
-        */
+       struct kinetis_flash_bank *k_bank = bank->driver_priv;
+       if (k_bank == NULL)
+               return;
 
-       /* Increase buffer_size if needed */
-       if (buffer_size < (target->working_area_size/2))
-               buffer_size = (target->working_area_size/2);
+       struct kinetis_chip *k_chip = k_bank->k_chip;
+       if (k_chip == NULL)
+               return;
 
-       LOG_INFO("Kinetis: FLASH Write ...");
+       k_chip->num_banks--;
+       if (k_chip->num_banks == 0)
+               free(k_chip);
+}
 
-       /* check code alignment */
-       if (offset & 0x1) {
-               LOG_WARNING("offset 0x%" PRIx32 " breaks required 2-byte alignment", offset);
-               return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
-       }
 
-       /* allocate working area with flash programming code */
-       if (target_alloc_working_area(target, sizeof(kinetis_flash_write_code),
-                       &write_algorithm) != ERROR_OK) {
-               LOG_WARNING("no working area available, can't do block memory writes");
-               return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
+static int kinetis_create_missing_banks(struct kinetis_chip *k_chip)
+{
+       unsigned bank_idx;
+       unsigned num_blocks;
+       struct kinetis_flash_bank *k_bank;
+       struct flash_bank *bank;
+       char base_name[69], name[80], num[4];
+       char *class, *p;
+
+       num_blocks = k_chip->num_pflash_blocks + k_chip->num_nvm_blocks;
+       if (num_blocks > KINETIS_MAX_BANKS) {
+               LOG_ERROR("Only %u Kinetis flash banks are supported", KINETIS_MAX_BANKS);
+               return ERROR_FAIL;
        }
 
-       retval = target_write_buffer(target, write_algorithm->address,
-               sizeof(kinetis_flash_write_code), kinetis_flash_write_code);
-       if (retval != ERROR_OK)
-               return retval;
-
-       /* memory buffer */
-       while (target_alloc_working_area(target, buffer_size, &source) != ERROR_OK) {
-               buffer_size /= 4;
-               if (buffer_size <= 256) {
-                       /* free working area, write algorithm already allocated */
-                       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;
+       bank = k_chip->banks[0].bank;
+       if (bank && bank->name) {
+               strncpy(base_name, bank->name, sizeof(base_name) - 1);
+               base_name[sizeof(base_name) - 1] = '\0';
+               p = strstr(base_name, ".pflash");
+               if (p) {
+                       *p = '\0';
+                       if (k_chip->num_pflash_blocks > 1) {
+                               /* rename first bank if numbering is needed */
+                               snprintf(name, sizeof(name), "%s.pflash0", base_name);
+                               free(bank->name);
+                               bank->name = strdup(name);
+                       }
                }
+       } else {
+               strncpy(base_name, target_name(k_chip->target), sizeof(base_name) - 1);
+               base_name[sizeof(base_name) - 1] = '\0';
+               p = strstr(base_name, ".cpu");
+               if (p)
+                       *p = '\0';
        }
 
-       armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
-       armv7m_info.core_mode = ARM_MODE_THREAD;
-
-       init_reg_param(&reg_params[0], "r0", 32, PARAM_OUT); /* *pLW (*buffer) */
-       init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT); /* faddr */
-       init_reg_param(&reg_params[2], "r2", 32, PARAM_OUT); /* number of words to program */
-
-       /* write code buffer and use Flash programming code within kinetis       */
-       /* Set breakpoint to 0 with time-out of 1000 ms                          */
-       while (wcount > 0) {
-               uint32_t thisrun_count = (wcount > (buffer_size / 4)) ? (buffer_size / 4) : wcount;
+       for (bank_idx = 1; bank_idx < num_blocks; bank_idx++) {
+               k_bank = &(k_chip->banks[bank_idx]);
+               bank = k_bank->bank;
 
-               retval = target_write_buffer(target, source->address, thisrun_count * 4, buffer);
-               if (retval != ERROR_OK)
-                       break;
+               if (bank)
+                       continue;
 
-               buf_set_u32(reg_params[0].value, 0, 32, source->address);
-               buf_set_u32(reg_params[1].value, 0, 32, address);
-               buf_set_u32(reg_params[2].value, 0, 32, thisrun_count);
+               num[0] = '\0';
 
-               retval = target_run_algorithm(target, 0, NULL, 3, reg_params,
-                               write_algorithm->address, 0, 100000, &armv7m_info);
-               if (retval != ERROR_OK) {
-                       LOG_ERROR("Error executing kinetis Flash programming algorithm");
-                       retval = ERROR_FLASH_OPERATION_FAILED;
-                       break;
+               if (bank_idx < k_chip->num_pflash_blocks) {
+                       class = "pflash";
+                       if (k_chip->num_pflash_blocks > 1)
+                               snprintf(num, sizeof(num), "%u", bank_idx);
+               } else {
+                       class = "flexnvm";
+                       if (k_chip->num_nvm_blocks > 1)
+                               snprintf(num, sizeof(num), "%u",
+                                        bank_idx - k_chip->num_pflash_blocks);
                }
 
-               buffer += thisrun_count * 4;
-               address += thisrun_count * 4;
-               wcount -= thisrun_count;
-       }
+               bank = calloc(sizeof(struct flash_bank), 1);
+               if (bank == NULL)
+                       return ERROR_FAIL;
 
-       target_free_working_area(target, source);
-       target_free_working_area(target, write_algorithm);
+               bank->target = k_chip->target;
+               bank->driver = &kinetis_flash;
+               bank->default_padded_value = bank->erased_value = 0xff;
 
-       destroy_reg_param(&reg_params[0]);
-       destroy_reg_param(&reg_params[1]);
-       destroy_reg_param(&reg_params[2]);
+               snprintf(name, sizeof(name), "%s.%s%s",
+                        base_name, class, num);
+               bank->name = strdup(name);
 
-       return retval;
-}
+               bank->driver_priv = k_bank = &(k_chip->banks[k_chip->num_banks]);
+               k_bank->k_chip = k_chip;
+               k_bank->bank_number = bank_idx;
+               k_bank->bank = bank;
+               if (k_chip->num_banks <= bank_idx)
+                       k_chip->num_banks = bank_idx + 1;
 
-static int kinetis_protect(struct flash_bank *bank, int set, int first, int last)
+               flash_bank_add(bank);
+       }
+       return ERROR_OK;
+}
+
+
+static int kinetis_disable_wdog_algo(struct target *target, size_t code_size, const uint8_t *code, uint32_t wdog_base)
 {
-       LOG_WARNING("kinetis_protect not supported yet");
-       /* FIXME: TODO */
+       struct working_area *wdog_algorithm;
+       struct armv7m_algorithm armv7m_info;
+       struct reg_param reg_params[1];
+       int retval;
 
-       if (bank->target->state != TARGET_HALTED) {
+       if (target->state != TARGET_HALTED) {
                LOG_ERROR("Target not halted");
                return ERROR_TARGET_NOT_HALTED;
        }
 
-       return ERROR_FLASH_BANK_INVALID;
+       retval = target_alloc_working_area(target, code_size, &wdog_algorithm);
+       if (retval != ERROR_OK)
+               return retval;
+
+       retval = target_write_buffer(target, wdog_algorithm->address,
+                       code_size, code);
+       if (retval == ERROR_OK) {
+               armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
+               armv7m_info.core_mode = ARM_MODE_THREAD;
+
+               init_reg_param(&reg_params[0], "r0", 32, PARAM_IN);
+               buf_set_u32(reg_params[0].value, 0, 32, wdog_base);
+
+               retval = target_run_algorithm(target, 0, NULL, 1, reg_params,
+                       wdog_algorithm->address,
+                       wdog_algorithm->address + code_size - 2,
+                       500, &armv7m_info);
+
+               destroy_reg_param(&reg_params[0]);
+
+               if (retval != ERROR_OK)
+                       LOG_ERROR("Error executing Kinetis WDOG unlock algorithm");
+       }
+
+       target_free_working_area(target, wdog_algorithm);
+
+       return retval;
 }
 
-static int kinetis_protect_check(struct flash_bank *bank)
+/* Disable the watchdog on Kinetis devices
+ * Standard Kx WDOG peripheral checks timing and therefore requires to run algo.
+ */
+static int kinetis_disable_wdog_kx(struct target *target)
 {
-       struct kinetis_flash_bank *kinfo = bank->driver_priv;
+       const uint32_t wdog_base = WDOG_BASE;
+       uint16_t wdog;
+       int retval;
 
-       if (bank->target->state != TARGET_HALTED) {
-               LOG_ERROR("Target not halted");
-               return ERROR_TARGET_NOT_HALTED;
+       static const uint8_t kinetis_unlock_wdog_code[] = {
+#include "../../../contrib/loaders/watchdog/armv7m_kinetis_wdog.inc"
+       };
+
+       retval = target_read_u16(target, wdog_base + WDOG_STCTRLH_OFFSET, &wdog);
+       if (retval != ERROR_OK)
+               return retval;
+
+       if ((wdog & 0x1) == 0) {
+               /* watchdog already disabled */
+               return ERROR_OK;
        }
+       LOG_INFO("Disabling Kinetis watchdog (initial WDOG_STCTRLH = 0x%04" PRIx16 ")", wdog);
 
-       if (kinfo->flash_class == FC_PFLASH) {
-               int result;
-               uint8_t buffer[4];
-               uint32_t fprot, psec;
-               int i, b;
+       retval = kinetis_disable_wdog_algo(target, sizeof(kinetis_unlock_wdog_code), kinetis_unlock_wdog_code, wdog_base);
+       if (retval != ERROR_OK)
+               return retval;
 
-               /* read protection register */
-               result = target_read_memory(bank->target, FTFx_FPROT3, 1, 4, buffer);
+       retval = target_read_u16(target, wdog_base + WDOG_STCTRLH_OFFSET, &wdog);
+       if (retval != ERROR_OK)
+               return retval;
+
+       LOG_INFO("WDOG_STCTRLH = 0x%04" PRIx16, wdog);
+       return (wdog & 0x1) ? ERROR_FAIL : ERROR_OK;
+}
+
+static int kinetis_disable_wdog32(struct target *target, uint32_t wdog_base)
+{
+       uint32_t wdog_cs;
+       int retval;
+
+       static const uint8_t kinetis_unlock_wdog_code[] = {
+#include "../../../contrib/loaders/watchdog/armv7m_kinetis_wdog32.inc"
+       };
+
+       retval = target_read_u32(target, wdog_base + WDOG32_CS_OFFSET, &wdog_cs);
+       if (retval != ERROR_OK)
+               return retval;
+
+       if ((wdog_cs & 0x80) == 0)
+               return ERROR_OK; /* watchdog already disabled */
+
+       LOG_INFO("Disabling Kinetis watchdog (initial WDOG_CS 0x%08" PRIx32 ")", wdog_cs);
+
+       retval = kinetis_disable_wdog_algo(target, sizeof(kinetis_unlock_wdog_code), kinetis_unlock_wdog_code, wdog_base);
+       if (retval != ERROR_OK)
+               return retval;
+
+       retval = target_read_u32(target, wdog_base + WDOG32_CS_OFFSET, &wdog_cs);
+       if (retval != ERROR_OK)
+               return retval;
+
+       if ((wdog_cs & 0x80) == 0)
+               return ERROR_OK; /* watchdog disabled successfully */
+
+       LOG_ERROR("Cannot disable Kinetis watchdog (WDOG_CS 0x%08" PRIx32 "), issue 'reset init'", wdog_cs);
+       return ERROR_FAIL;
+}
+
+static int kinetis_disable_wdog(struct kinetis_chip *k_chip)
+{
+       struct target *target = k_chip->target;
+       uint8_t sim_copc;
+       int retval;
+
+       if (!k_chip->probed) {
+               retval = kinetis_probe_chip(k_chip);
+               if (retval != ERROR_OK)
+                       return retval;
+       }
+
+       switch (k_chip->watchdog_type) {
+       case KINETIS_WDOG_K:
+               return kinetis_disable_wdog_kx(target);
+
+       case KINETIS_WDOG_COP:
+               retval = target_read_u8(target, SIM_COPC, &sim_copc);
+               if (retval != ERROR_OK)
+                       return retval;
+
+               if ((sim_copc & 0xc) == 0)
+                       return ERROR_OK; /* watchdog already disabled */
 
+               LOG_INFO("Disabling Kinetis watchdog (initial SIM_COPC 0x%02" PRIx8 ")", sim_copc);
+               retval = target_write_u8(target, SIM_COPC, sim_copc & ~0xc);
+               if (retval != ERROR_OK)
+                       return retval;
+
+               retval = target_read_u8(target, SIM_COPC, &sim_copc);
+               if (retval != ERROR_OK)
+                       return retval;
+
+               if ((sim_copc & 0xc) == 0)
+                       return ERROR_OK; /* watchdog disabled successfully */
+
+               LOG_ERROR("Cannot disable Kinetis watchdog (SIM_COPC 0x%02" PRIx8 "), issue 'reset init'", sim_copc);
+               return ERROR_FAIL;
+
+       case KINETIS_WDOG32_KE1X:
+               return kinetis_disable_wdog32(target, WDOG32_KE1X);
+
+       case KINETIS_WDOG32_KL28:
+               return kinetis_disable_wdog32(target, WDOG32_KL28);
+
+       default:
+               return ERROR_OK;
+       }
+}
+
+COMMAND_HANDLER(kinetis_disable_wdog_handler)
+{
+       int result;
+       struct target *target = get_current_target(CMD_CTX);
+       struct kinetis_chip *k_chip = kinetis_get_chip(target);
+
+       if (k_chip == NULL)
+               return ERROR_FAIL;
+
+       if (CMD_ARGC > 0)
+               return ERROR_COMMAND_SYNTAX_ERROR;
+
+       result = kinetis_disable_wdog(k_chip);
+       return result;
+}
+
+
+static int kinetis_ftfx_decode_error(uint8_t fstat)
+{
+       if (fstat & 0x20) {
+               LOG_ERROR("Flash operation failed, illegal command");
+               return ERROR_FLASH_OPER_UNSUPPORTED;
+
+       } else if (fstat & 0x10)
+               LOG_ERROR("Flash operation failed, protection violated");
+
+       else if (fstat & 0x40)
+               LOG_ERROR("Flash operation failed, read collision");
+
+       else if (fstat & 0x80)
+               return ERROR_OK;
+
+       else
+               LOG_ERROR("Flash operation timed out");
+
+       return ERROR_FLASH_OPERATION_FAILED;
+}
+
+static int kinetis_ftfx_clear_error(struct target *target)
+{
+       /* reset error flags */
+       return target_write_u8(target, FTFx_FSTAT, 0x70);
+}
+
+
+static int kinetis_ftfx_prepare(struct target *target)
+{
+       int result, i;
+       uint8_t fstat;
+
+       /* wait until busy */
+       for (i = 0; i < 50; i++) {
+               result = target_read_u8(target, FTFx_FSTAT, &fstat);
                if (result != ERROR_OK)
                        return result;
 
-               fprot = target_buffer_get_u32(bank->target, buffer);
+               if (fstat & 0x80)
+                       break;
+       }
 
-               /*
-                * Every bit protects 1/32 of the full flash (not necessarily
-                * just this bank), but we enforce the bank ordinals for
-                * PFlash to start at zero.
-                */
-               b = kinfo->bank_ordinal * (bank->size / kinfo->protection_size);
-               for (psec = 0, i = 0; i < bank->num_sectors; i++) {
-                       if ((fprot >> b) & 1)
-                               bank->sectors[i].is_protected = 0;
-                       else
-                               bank->sectors[i].is_protected = 1;
+       if ((fstat & 0x80) == 0) {
+               LOG_ERROR("Flash controller is busy");
+               return ERROR_FLASH_OPERATION_FAILED;
+       }
+       if (fstat != 0x80) {
+               /* reset error flags */
+               result = kinetis_ftfx_clear_error(target);
+       }
+       return result;
+}
 
-                       psec += bank->sectors[i].size;
+/* Kinetis Program-LongWord Microcodes */
+static const uint8_t kinetis_flash_write_code[] = {
+#include "../../../contrib/loaders/flash/kinetis/kinetis_flash.inc"
+};
 
-                       if (psec >= kinfo->protection_size) {
-                               psec = 0;
-                               b++;
-                       }
+/* Program LongWord Block Write */
+static int kinetis_write_block(struct flash_bank *bank, const uint8_t *buffer,
+               uint32_t offset, uint32_t wcount)
+{
+       struct target *target = bank->target;
+       uint32_t buffer_size = 2048;            /* Default minimum value */
+       struct working_area *write_algorithm;
+       struct working_area *source;
+       struct kinetis_flash_bank *k_bank = bank->driver_priv;
+       uint32_t address = k_bank->prog_base + offset;
+       uint32_t end_address;
+       struct reg_param reg_params[5];
+       struct armv7m_algorithm armv7m_info;
+       int retval;
+       uint8_t fstat;
+
+       /* Increase buffer_size if needed */
+       if (buffer_size < (target->working_area_size/2))
+               buffer_size = (target->working_area_size/2);
+
+       /* allocate working area with flash programming code */
+       if (target_alloc_working_area(target, sizeof(kinetis_flash_write_code),
+                       &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, write_algorithm->address,
+               sizeof(kinetis_flash_write_code), kinetis_flash_write_code);
+       if (retval != ERROR_OK)
+               return retval;
+
+       /* memory buffer */
+       while (target_alloc_working_area(target, buffer_size, &source) != ERROR_OK) {
+               buffer_size /= 4;
+               if (buffer_size <= 256) {
+                       /* free working area, write algorithm already allocated */
+                       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 = ARM_MODE_THREAD;
+
+       init_reg_param(&reg_params[0], "r0", 32, PARAM_IN_OUT); /* address */
+       init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT); /* word count */
+       init_reg_param(&reg_params[2], "r2", 32, PARAM_OUT);
+       init_reg_param(&reg_params[3], "r3", 32, PARAM_OUT);
+       init_reg_param(&reg_params[4], "r4", 32, PARAM_OUT);
+
+       buf_set_u32(reg_params[0].value, 0, 32, address);
+       buf_set_u32(reg_params[1].value, 0, 32, wcount);
+       buf_set_u32(reg_params[2].value, 0, 32, source->address);
+       buf_set_u32(reg_params[3].value, 0, 32, source->address + source->size);
+       buf_set_u32(reg_params[4].value, 0, 32, FTFx_FSTAT);
+
+       retval = target_run_flash_async_algorithm(target, buffer, wcount, 4,
+                                               0, NULL,
+                                               5, reg_params,
+                                               source->address, source->size,
+                                               write_algorithm->address, 0,
+                                               &armv7m_info);
+
+       if (retval == ERROR_FLASH_OPERATION_FAILED) {
+               end_address = buf_get_u32(reg_params[0].value, 0, 32);
+
+               LOG_ERROR("Error writing flash at %08" PRIx32, end_address);
+
+               retval = target_read_u8(target, FTFx_FSTAT, &fstat);
+               if (retval == ERROR_OK) {
+                       retval = kinetis_ftfx_decode_error(fstat);
+
+                       /* reset error flags */
+                       target_write_u8(target, FTFx_FSTAT, 0x70);
                }
+       } else if (retval != ERROR_OK)
+               LOG_ERROR("Error executing kinetis Flash programming algorithm");
+
+       target_free_working_area(target, source);
+       target_free_working_area(target, write_algorithm);
+
+       destroy_reg_param(&reg_params[0]);
+       destroy_reg_param(&reg_params[1]);
+       destroy_reg_param(&reg_params[2]);
+       destroy_reg_param(&reg_params[3]);
+       destroy_reg_param(&reg_params[4]);
+
+       return retval;
+}
+
+static int kinetis_protect(struct flash_bank *bank, int set, int first, int last)
+{
+       int i;
+
+       if (allow_fcf_writes) {
+               LOG_ERROR("Protection setting is possible with 'kinetis fcf_source protection' only!");
+               return ERROR_FAIL;
+       }
+
+       if (!bank->prot_blocks || bank->num_prot_blocks == 0) {
+               LOG_ERROR("No protection possible for current bank!");
+               return ERROR_FLASH_BANK_INVALID;
+       }
+
+       for (i = first; i < bank->num_prot_blocks && i <= last; i++)
+               bank->prot_blocks[i].is_protected = set;
+
+       LOG_INFO("Protection bits will be written at the next FCF sector erase or write.");
+       LOG_INFO("Do not issue 'flash info' command until protection is written,");
+       LOG_INFO("doing so would re-read protection status from MCU.");
+
+       return ERROR_OK;
+}
+
+static int kinetis_protect_check(struct flash_bank *bank)
+{
+       struct kinetis_flash_bank *k_bank = bank->driver_priv;
+       int result;
+       int i, b;
+       uint32_t fprot;
+
+       if (k_bank->flash_class == FC_PFLASH) {
+
+               /* read protection register */
+               result = target_read_u32(bank->target, FTFx_FPROT3, &fprot);
+               if (result != ERROR_OK)
+                       return result;
+
+               /* Every bit protects 1/32 of the full flash (not necessarily just this bank) */
+
+       } else if (k_bank->flash_class == FC_FLEX_NVM) {
+               uint8_t fdprot;
+
+               /* read protection register */
+               result = target_read_u8(bank->target, FTFx_FDPROT, &fdprot);
+               if (result != ERROR_OK)
+                       return result;
+
+               fprot = fdprot;
+
        } else {
-               LOG_ERROR("Protection checks for FlexNVM not yet supported");
+               LOG_ERROR("Protection checks for FlexRAM not supported");
                return ERROR_FLASH_BANK_INVALID;
        }
 
+       b = k_bank->protection_block;
+       for (i = 0; i < bank->num_prot_blocks; i++) {
+               if ((fprot >> b) & 1)
+                       bank->prot_blocks[i].is_protected = 0;
+               else
+                       bank->prot_blocks[i].is_protected = 1;
+
+               b++;
+       }
+
        return ERROR_OK;
 }
 
-static int kinetis_ftfx_command(struct flash_bank *bank, uint8_t fcmd, uint32_t faddr,
+
+static int kinetis_fill_fcf(struct flash_bank *bank, uint8_t *fcf)
+{
+       uint32_t fprot = 0xffffffff;
+       uint8_t fsec = 0xfe;             /* set MCU unsecure */
+       uint8_t fdprot = 0xff;
+       int i;
+       unsigned bank_idx;
+       unsigned num_blocks;
+       uint32_t pflash_bit;
+       uint8_t dflash_bit;
+       struct flash_bank *bank_iter;
+       struct kinetis_flash_bank *k_bank = bank->driver_priv;
+       struct kinetis_chip *k_chip = k_bank->k_chip;
+
+       memset(fcf, 0xff, FCF_SIZE);
+
+       pflash_bit = 1;
+       dflash_bit = 1;
+
+       /* iterate over all kinetis banks */
+       /* current bank is bank 0, it contains FCF */
+       num_blocks = k_chip->num_pflash_blocks + k_chip->num_nvm_blocks;
+       for (bank_idx = 0; bank_idx < num_blocks; bank_idx++) {
+               k_bank = &(k_chip->banks[bank_idx]);
+               bank_iter = k_bank->bank;
+
+               if (bank_iter == NULL) {
+                       LOG_WARNING("Missing bank %u configuration, FCF protection flags may be incomplette", bank_idx);
+                       continue;
+               }
+
+               kinetis_auto_probe(bank_iter);
+
+               if (k_bank->flash_class == FC_PFLASH) {
+                       for (i = 0; i < bank_iter->num_prot_blocks; i++) {
+                               if (bank_iter->prot_blocks[i].is_protected == 1)
+                                       fprot &= ~pflash_bit;
+
+                               pflash_bit <<= 1;
+                       }
+
+               } else if (k_bank->flash_class == FC_FLEX_NVM) {
+                       for (i = 0; i < bank_iter->num_prot_blocks; i++) {
+                               if (bank_iter->prot_blocks[i].is_protected == 1)
+                                       fdprot &= ~dflash_bit;
+
+                               dflash_bit <<= 1;
+                       }
+
+               }
+       }
+
+       target_buffer_set_u32(bank->target, fcf + FCF_FPROT, fprot);
+       fcf[FCF_FSEC] = fsec;
+       fcf[FCF_FOPT] = fcf_fopt;
+       fcf[FCF_FDPROT] = fdprot;
+       return ERROR_OK;
+}
+
+static int kinetis_ftfx_command(struct target *target, uint8_t fcmd, uint32_t faddr,
                                uint8_t fccob4, uint8_t fccob5, uint8_t fccob6, uint8_t fccob7,
                                uint8_t fccob8, uint8_t fccob9, uint8_t fccoba, uint8_t fccobb,
                                uint8_t *ftfx_fstat)
@@ -745,97 +1477,164 @@ static int kinetis_ftfx_command(struct flash_bank *bank, uint8_t fcmd, uint32_t
        uint8_t command[12] = {faddr & 0xff, (faddr >> 8) & 0xff, (faddr >> 16) & 0xff, fcmd,
                        fccob7, fccob6, fccob5, fccob4,
                        fccobb, fccoba, fccob9, fccob8};
-       int result, i;
-       uint8_t buffer;
+       int result;
+       uint8_t fstat;
+       int64_t ms_timeout = timeval_ms() + 250;
+
+       result = target_write_memory(target, FTFx_FCCOB3, 4, 3, command);
+       if (result != ERROR_OK)
+               return result;
+
+       /* start command */
+       result = target_write_u8(target, FTFx_FSTAT, 0x80);
+       if (result != ERROR_OK)
+               return result;
 
        /* wait for done */
-       for (i = 0; i < 50; i++) {
-               result =
-                       target_read_memory(bank->target, FTFx_FSTAT, 1, 1, &buffer);
+       do {
+               result = target_read_u8(target, FTFx_FSTAT, &fstat);
 
                if (result != ERROR_OK)
                        return result;
 
-               if (buffer & 0x80)
+               if (fstat & 0x80)
                        break;
 
-               buffer = 0x00;
+       } while (timeval_ms() < ms_timeout);
+
+       if (ftfx_fstat)
+               *ftfx_fstat = fstat;
+
+       if ((fstat & 0xf0) != 0x80) {
+               LOG_DEBUG("ftfx command failed FSTAT: %02X FCCOB: %02X%02X%02X%02X %02X%02X%02X%02X %02X%02X%02X%02X",
+                        fstat, command[3], command[2], command[1], command[0],
+                        command[7], command[6], command[5], command[4],
+                        command[11], command[10], command[9], command[8]);
+
+               return kinetis_ftfx_decode_error(fstat);
        }
 
-       if (buffer != 0x80) {
-               /* reset error flags */
-               buffer = 0x30;
-               result =
-                       target_write_memory(bank->target, FTFx_FSTAT, 1, 1, &buffer);
-               if (result != ERROR_OK)
-                       return result;
+       return ERROR_OK;
+}
+
+
+static int kinetis_read_pmstat(struct kinetis_chip *k_chip, uint8_t *pmstat)
+{
+       int result;
+       uint32_t stat32;
+       struct target *target = k_chip->target;
+
+       switch (k_chip->sysmodectrlr_type) {
+       case KINETIS_SMC:
+               result = target_read_u8(target, SMC_PMSTAT, pmstat);
+               return result;
+
+       case KINETIS_SMC32:
+               result = target_read_u32(target, SMC32_PMSTAT, &stat32);
+               if (result == ERROR_OK)
+                       *pmstat = stat32 & 0xff;
+               return result;
+       }
+       return ERROR_FAIL;
+}
+
+static int kinetis_check_run_mode(struct kinetis_chip *k_chip)
+{
+       int result, i;
+       uint8_t pmstat;
+       struct target *target;
+
+       if (k_chip == NULL) {
+               LOG_ERROR("Chip not probed.");
+               return ERROR_FAIL;
+       }
+       target = k_chip->target;
+
+       if (target->state != TARGET_HALTED) {
+               LOG_ERROR("Target not halted");
+               return ERROR_TARGET_NOT_HALTED;
        }
 
-       result = target_write_memory(bank->target, FTFx_FCCOB3, 4, 3, command);
-
+       result = kinetis_read_pmstat(k_chip, &pmstat);
        if (result != ERROR_OK)
                return result;
 
-       /* start command */
-       buffer = 0x80;
-       result = target_write_memory(bank->target, FTFx_FSTAT, 1, 1, &buffer);
-       if (result != ERROR_OK)
-               return result;
+       if (pmstat == PM_STAT_RUN)
+               return ERROR_OK;
 
-       /* wait for done */
-       for (i = 0; i < 240; i++) { /* Need longtime for "Mass Erase" Command Nemui Changed */
-               result =
-                       target_read_memory(bank->target, FTFx_FSTAT, 1, 1, ftfx_fstat);
+       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.");
+
+               switch (k_chip->sysmodectrlr_type) {
+               case KINETIS_SMC:
+                       result = target_write_u8(target, SMC_PMCTRL, PM_CTRL_RUNM_RUN);
+                       break;
 
+               case KINETIS_SMC32:
+                       result = target_write_u32(target, SMC32_PMCTRL, PM_CTRL_RUNM_RUN);
+                       break;
+               }
                if (result != ERROR_OK)
                        return result;
 
-               if (*ftfx_fstat & 0x80)
-                       break;
-       }
+               for (i = 100; i; i--) {
+                       result = kinetis_read_pmstat(k_chip, &pmstat);
+                       if (result != ERROR_OK)
+                               return result;
 
-       if ((*ftfx_fstat & 0xf0) != 0x80) {
-               LOG_ERROR
-                       ("ftfx command failed FSTAT: %02X FCCOB: %02X%02X%02X%02X %02X%02X%02X%02X %02X%02X%02X%02X",
-                        *ftfx_fstat, command[3], command[2], command[1], command[0],
-                        command[7], command[6], command[5], command[4],
-                        command[11], command[10], command[9], command[8]);
-               return ERROR_FLASH_OPERATION_FAILED;
+                       if (pmstat == PM_STAT_RUN)
+                               return ERROR_OK;
+               }
        }
 
-       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;
 }
 
-COMMAND_HANDLER(kinetis_securing_test)
+
+static void kinetis_invalidate_flash_cache(struct kinetis_chip *k_chip)
 {
-       int result;
-       uint8_t ftfx_fstat;
-       struct target *target = get_current_target(CMD_CTX);
-       struct flash_bank *bank = NULL;
+       struct target *target = k_chip->target;
 
-       result = get_flash_bank_by_addr(target, 0x00000000, true, &bank);
-       if (result != ERROR_OK)
-               return result;
+       switch (k_chip->cache_type) {
+       case KINETIS_CACHE_K:
+               target_write_u8(target, FMC_PFB01CR + 2, 0xf0);
+               /* Set CINV_WAY bits - request invalidate of all cache ways */
+               /* FMC_PFB0CR has same address and CINV_WAY bits as FMC_PFB01CR */
+               break;
 
-       assert(bank != NULL);
+       case KINETIS_CACHE_L:
+               target_write_u8(target, MCM_PLACR + 1, 0x04);
+               /* set bit CFCC - Clear Flash Controller Cache */
+               break;
 
-       if (target->state != TARGET_HALTED) {
-               LOG_ERROR("Target not halted");
-               return ERROR_TARGET_NOT_HALTED;
-       }
+       case KINETIS_CACHE_MSCM:
+               target_write_u32(target, MSCM_OCMDR0, 0x30);
+               /* disable data prefetch and flash speculate */
+               break;
 
-       return kinetis_ftfx_command(bank, FTFx_CMD_SECTERASE, bank->base + 0x00000400,
-                                     0, 0, 0, 0,  0, 0, 0, 0,  &ftfx_fstat);
+       default:
+               break;
+       }
 }
 
+
 static int kinetis_erase(struct flash_bank *bank, int first, int last)
 {
        int result, i;
+       struct kinetis_flash_bank *k_bank = bank->driver_priv;
+       struct kinetis_chip *k_chip = k_bank->k_chip;
 
-       if (bank->target->state != TARGET_HALTED) {
-               LOG_ERROR("Target not halted");
-               return ERROR_TARGET_NOT_HALTED;
-       }
+       result = kinetis_check_run_mode(k_chip);
+       if (result != ERROR_OK)
+               return result;
+
+       /* reset error flags */
+       result = kinetis_ftfx_prepare(bank->target);
+       if (result != ERROR_OK)
+               return result;
 
        if ((first > bank->num_sectors) || (last > bank->num_sectors))
                return ERROR_FLASH_OPERATION_FAILED;
@@ -846,10 +1645,9 @@ static int kinetis_erase(struct flash_bank *bank, int first, int last)
         * block.  Should be quicker.
         */
        for (i = first; i <= last; i++) {
-               uint8_t ftfx_fstat;
                /* set command and sector address */
-               result = kinetis_ftfx_command(bank, FTFx_CMD_SECTERASE, bank->base + bank->sectors[i].offset,
-                               0, 0, 0, 0,  0, 0, 0, 0,  &ftfx_fstat);
+               result = kinetis_ftfx_command(bank->target, FTFx_CMD_SECTERASE, k_bank->prog_base + bank->sectors[i].offset,
+                               0, 0, 0, 0,  0, 0, 0, 0,  NULL);
 
                if (result != ERROR_OK) {
                        LOG_WARNING("erase sector %d failed", i);
@@ -857,147 +1655,186 @@ static int kinetis_erase(struct flash_bank *bank, int first, int last)
                }
 
                bank->sectors[i].is_erased = 1;
-       }
 
-       if (first == 0) {
-               LOG_WARNING
-                       ("flash configuration field erased, please reset the device");
+               if (k_bank->prog_base == 0
+                       && bank->sectors[i].offset <= FCF_ADDRESS
+                       && bank->sectors[i].offset + bank->sectors[i].size > FCF_ADDRESS + FCF_SIZE) {
+                       if (allow_fcf_writes) {
+                               LOG_WARNING("Flash Configuration Field erased, DO NOT reset or power off the device");
+                               LOG_WARNING("until correct FCF is programmed or MCU gets security lock.");
+                       } else {
+                               uint8_t fcf_buffer[FCF_SIZE];
+
+                               kinetis_fill_fcf(bank, fcf_buffer);
+                               result = kinetis_write_inner(bank, fcf_buffer, FCF_ADDRESS, FCF_SIZE);
+                               if (result != ERROR_OK)
+                                       LOG_WARNING("Flash Configuration Field write failed");
+                               bank->sectors[i].is_erased = 0;
+                       }
+               }
        }
 
+       kinetis_invalidate_flash_cache(k_bank->k_chip);
+
        return ERROR_OK;
 }
 
-static int kinetis_write(struct flash_bank *bank, const uint8_t *buffer,
-                        uint32_t offset, uint32_t count)
+static int kinetis_make_ram_ready(struct target *target)
 {
-       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;
+       int result;
+       uint8_t ftfx_fcnfg;
 
-       if (bank->target->state != TARGET_HALTED) {
-               LOG_ERROR("Target not halted");
-               return ERROR_TARGET_NOT_HALTED;
-       }
+       /* check if ram ready */
+       result = target_read_u8(target, FTFx_FCNFG, &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,  NULL);
+       if (result != ERROR_OK)
+               return ERROR_FLASH_OPERATION_FAILED;
+
+       /* check again */
+       result = target_read_u8(target, FTFx_FCNFG, &ftfx_fcnfg);
+       if (result != ERROR_OK)
+               return result;
+
+       if (ftfx_fcnfg & (1 << 1))
+               return ERROR_OK;        /* ram ready */
+
+       return ERROR_FLASH_OPERATION_FAILED;
+}
 
-       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) {
+static int kinetis_write_sections(struct flash_bank *bank, const uint8_t *buffer,
+                        uint32_t offset, uint32_t count)
+{
+       int result = ERROR_OK;
+       struct kinetis_flash_bank *k_bank = bank->driver_priv;
+       struct kinetis_chip *k_chip = k_bank->k_chip;
+       uint8_t *buffer_aligned = NULL;
+       /*
+        * Kinetis uses different terms for the granularity of
+        * sector writes, e.g. "phrase" or "128 bits".  We use
+        * the generic term "chunk". The largest possible
+        * Kinetis "chunk" is 16 bytes (128 bits).
+        */
+       uint32_t prog_section_chunk_bytes = k_bank->sector_size >> 8;
+       uint32_t prog_size_bytes = k_chip->max_flash_prog_size;
+
+       while (count > 0) {
+               uint32_t size = prog_size_bytes - offset % prog_size_bytes;
+               uint32_t align_begin = offset % prog_section_chunk_bytes;
+               uint32_t align_end;
+               uint32_t size_aligned;
+               uint16_t chunk_count;
                uint8_t ftfx_fstat;
 
-               LOG_DEBUG("flash write into FlexNVM @%08" PRIX32, offset);
+               if (size > count)
+                       size = count;
 
-               /* make flex ram available */
-               result = kinetis_ftfx_command(bank, FTFx_CMD_SETFLEXRAM, 0x00ff0000, 0, 0, 0, 0,  0, 0, 0, 0,  &ftfx_fstat);
+               align_end = (align_begin + size) % prog_section_chunk_bytes;
+               if (align_end)
+                       align_end = prog_section_chunk_bytes - align_end;
 
-               if (result != ERROR_OK)
-                       return ERROR_FLASH_OPERATION_FAILED;
+               size_aligned = align_begin + size + align_end;
+               chunk_count = size_aligned / prog_section_chunk_bytes;
 
-               /* check if ram ready */
-               result = target_read_memory(bank->target, FTFx_FCNFG, 1, 1, buf);
+               if (size != size_aligned) {
+                       /* aligned section: the first, the last or the only */
+                       if (!buffer_aligned)
+                               buffer_aligned = malloc(prog_size_bytes);
 
-               if (result != ERROR_OK)
-                       return result;
+                       memset(buffer_aligned, 0xff, size_aligned);
+                       memcpy(buffer_aligned + align_begin, buffer, size);
 
-               if (!(buf[0] & (1 << 1))) {
-                       /* fallback to longword write */
-                       fallback = 1;
+                       result = target_write_memory(bank->target, k_chip->progr_accel_ram,
+                                               4, size_aligned / 4, buffer_aligned);
 
-                       LOG_WARNING("ram not ready, fallback to slow longword write (FCNFG: %02X)", buf[0]);
-               }
-       } else {
-               LOG_DEBUG("flash write into PFLASH @08%" PRIX32, offset);
-       }
+                       LOG_DEBUG("section @ %08" PRIx32 " aligned begin %" PRIu32 ", end %" PRIu32,
+                                       bank->base + offset, align_begin, align_end);
+               } else
+                       result = target_write_memory(bank->target, k_chip->progr_accel_ram,
+                                               4, size_aligned / 4, buffer);
 
+               LOG_DEBUG("write section @ %08" PRIx32 " with length %" PRIu32 " bytes",
+                         bank->base + offset, size);
 
-       /* program section command */
-       if (fallback == 0) {
-               /*
-                * Kinetis uses different terms for the granularity of
-                * sector writes, e.g. "phrase" or "128 bits".  We use
-                * the generic term "chunk". The largest possible
-                * Kinetis "chunk" is 16 bytes (128 bits).
-                */
-               unsigned prog_section_chunk_bytes = kinfo->sector_size >> 8;
-               unsigned prog_size_bytes = kinfo->max_flash_prog_size;
-               for (i = 0; i < count; i += prog_size_bytes) {
-                       uint8_t residual_buffer[16];
-                       uint8_t ftfx_fstat;
-                       uint32_t section_count = prog_size_bytes / prog_section_chunk_bytes;
-                       uint32_t residual_wc = 0;
-
-                       /*
-                        * Assume the word count covers an entire
-                        * sector.
-                        */
-                       wc = prog_size_bytes / 4;
-
-                       /*
-                        * If bytes to be programmed are less than the
-                        * full sector, then determine the number of
-                        * full-words to program, and put together the
-                        * residual buffer so that a full "section"
-                        * may always be programmed.
-                        */
-                       if ((count - i) < prog_size_bytes) {
-                               /* number of bytes to program beyond full section */
-                               unsigned residual_bc = (count-i) % prog_section_chunk_bytes;
-
-                               /* number of complete words to copy directly from buffer */
-                               wc = (count - i) / 4;
-
-                               /* number of total sections to write, including residual */
-                               section_count = DIV_ROUND_UP((count-i), prog_section_chunk_bytes);
-
-                               /* any residual bytes delivers a whole residual section */
-                               residual_wc = (residual_bc ? prog_section_chunk_bytes : 0)/4;
-
-                               /* clear residual buffer then populate residual bytes */
-                               (void) memset(residual_buffer, 0xff, prog_section_chunk_bytes);
-                               (void) memcpy(residual_buffer, &buffer[i+4*wc], residual_bc);
-                       }
+               if (result != ERROR_OK) {
+                       LOG_ERROR("target_write_memory failed");
+                       break;
+               }
 
-                       LOG_DEBUG("write section @ %08" PRIX32 " with length %" PRIu32 " bytes",
-                                 offset + i, (uint32_t)wc*4);
+               /* execute section-write command */
+               result = kinetis_ftfx_command(bank->target, FTFx_CMD_SECTWRITE,
+                               k_bank->prog_base + offset - align_begin,
+                               chunk_count>>8, chunk_count, 0, 0,
+                               0, 0, 0, 0,  &ftfx_fstat);
 
-                       /* write data to flexram as whole-words */
-                       result = target_write_memory(bank->target, FLEXRAM, 4, wc,
-                                       buffer + i);
+               if (result != ERROR_OK) {
+                       LOG_ERROR("Error writing section at %08" PRIx32, bank->base + offset);
+                       break;
+               }
 
-                       if (result != ERROR_OK) {
-                               LOG_ERROR("target_write_memory failed");
-                               return result;
+               if (ftfx_fstat & 0x01) {
+                       LOG_ERROR("Flash write error at %08" PRIx32, bank->base + offset);
+                       if (k_bank->prog_base == 0 && offset == FCF_ADDRESS + FCF_SIZE
+                                       && (k_chip->flash_support & FS_WIDTH_256BIT)) {
+                               LOG_ERROR("Flash write immediately after the end of Flash Config Field shows error");
+                               LOG_ERROR("because the flash memory is 256 bits wide (data were written correctly).");
+                               LOG_ERROR("Either change the linker script to add a gap of 16 bytes after FCF");
+                               LOG_ERROR("or set 'kinetis fcf_source write'");
                        }
+               }
 
-                       /* write the residual words to the flexram */
-                       if (residual_wc) {
-                               result = target_write_memory(bank->target,
-                                               FLEXRAM+4*wc,
-                                               4, residual_wc,
-                                               residual_buffer);
+               buffer += size;
+               offset += size;
+               count -= size;
+       }
 
-                               if (result != ERROR_OK) {
-                                       LOG_ERROR("target_write_memory failed");
-                                       return result;
-                               }
-                       }
+       free(buffer_aligned);
+       return result;
+}
 
-                       /* execute section-write command */
-                       result = kinetis_ftfx_command(bank, FTFx_CMD_SECTWRITE, bank->base + offset + i,
-                                       section_count>>8, section_count, 0, 0,
-                                       0, 0, 0, 0,  &ftfx_fstat);
 
-                       if (result != ERROR_OK)
-                               return ERROR_FLASH_OPERATION_FAILED;
+static int kinetis_write_inner(struct flash_bank *bank, const uint8_t *buffer,
+                        uint32_t offset, uint32_t count)
+{
+       int result, fallback = 0;
+       struct kinetis_flash_bank *k_bank = bank->driver_priv;
+       struct kinetis_chip *k_chip = k_bank->k_chip;
+
+       if (!(k_chip->flash_support & FS_PROGRAM_SECTOR)) {
+               /* fallback to longword write */
+               fallback = 1;
+               LOG_INFO("This device supports Program Longword execution only.");
+       } else {
+               result = kinetis_make_ram_ready(bank->target);
+               if (result != ERROR_OK) {
+                       fallback = 1;
+                       LOG_WARNING("FlexRAM not ready, fallback to slow longword write.");
                }
        }
-       /* program longword command, not supported in "SF3" devices */
-       else if (kinfo->flash_support & FS_PROGRAM_LONGWORD) {
+
+       LOG_DEBUG("flash write @ %08" PRIx32, bank->base + offset);
+
+       if (fallback == 0) {
+               /* program section command */
+               kinetis_write_sections(bank, buffer, offset, count);
+       } else if (k_chip->flash_support & FS_PROGRAM_LONGWORD) {
+               /* program longword command, not supported in FTFE */
+               uint8_t *new_buffer = NULL;
+
+               /* check word alignment */
+               if (offset & 0x3) {
+                       LOG_ERROR("offset 0x%" PRIx32 " breaks the required alignment", offset);
+                       return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
+               }
+
                if (count & 0x3) {
                        uint32_t old_count = count;
                        count = (old_count | 3) + 1;
@@ -1009,72 +1846,214 @@ static int kinetis_write(struct flash_bank *bank, const uint8_t *buffer,
                        }
                        LOG_INFO("odd number of bytes to write (%" PRIu32 "), extending to %" PRIu32 " "
                                "and padding with 0xff", old_count, count);
-                       memset(new_buffer, 0xff, count);
+                       memset(new_buffer + old_count, 0xff, count - old_count);
                        buffer = memcpy(new_buffer, buffer, old_count);
                }
 
                uint32_t words_remaining = count / 4;
 
+               kinetis_disable_wdog(k_chip);
+
                /* try using a block write */
-               int retval = kinetis_write_block(bank, buffer, offset, words_remaining);
+               result = kinetis_write_block(bank, buffer, offset, words_remaining);
 
-               if (retval == ERROR_TARGET_RESOURCE_NOT_AVAILABLE) {
+               if (result == ERROR_TARGET_RESOURCE_NOT_AVAILABLE) {
                        /* if block write failed (no sufficient working area),
                         * we use normal (slow) single word accesses */
                        LOG_WARNING("couldn't use block writes, falling back to single "
                                "memory accesses");
 
-                       for (i = 0; i < count; i += 4) {
+                       while (words_remaining) {
                                uint8_t ftfx_fstat;
 
-                               LOG_DEBUG("write longword @ %08" PRIX32, (uint32_t)(offset + i));
+                               LOG_DEBUG("write longword @ %08" PRIx32, (uint32_t)(bank->base + offset));
 
-                               uint8_t padding[4] = {0xff, 0xff, 0xff, 0xff};
-                               memcpy(padding, buffer + i, MIN(4, count-i));
-
-                               result = kinetis_ftfx_command(bank, FTFx_CMD_LWORDPROG, bank->base + offset + i,
-                                               padding[3], padding[2], padding[1], padding[0],
+                               result = kinetis_ftfx_command(bank->target, FTFx_CMD_LWORDPROG, k_bank->prog_base + offset,
+                                               buffer[3], buffer[2], buffer[1], buffer[0],
                                                0, 0, 0, 0,  &ftfx_fstat);
 
-                               if (result != ERROR_OK)
-                                       return ERROR_FLASH_OPERATION_FAILED;
+                               if (result != ERROR_OK) {
+                                       LOG_ERROR("Error writing longword at %08" PRIx32, bank->base + offset);
+                                       break;
+                               }
+
+                               if (ftfx_fstat & 0x01)
+                                       LOG_ERROR("Flash write error at %08" PRIx32, bank->base + offset);
+
+                               buffer += 4;
+                               offset += 4;
+                               words_remaining--;
                        }
                }
+               free(new_buffer);
        } else {
                LOG_ERROR("Flash write strategy not implemented");
                return ERROR_FLASH_OPERATION_FAILED;
        }
 
-       return ERROR_OK;
+       kinetis_invalidate_flash_cache(k_chip);
+       return result;
 }
 
-static int kinetis_read_part_info(struct flash_bank *bank)
+
+static int kinetis_write(struct flash_bank *bank, const uint8_t *buffer,
+                        uint32_t offset, uint32_t count)
 {
-       int result, i;
-       uint32_t offset = 0;
-       uint8_t fcfg1_nvmsize, fcfg1_pfsize, fcfg1_eesize, fcfg2_pflsh;
-       uint32_t nvm_size = 0, pf_size = 0, ee_size = 0;
-       unsigned num_blocks = 0, num_pflash_blocks = 0, num_nvm_blocks = 0, first_nvm_bank = 0,
-                       reassign = 0, pflash_sector_size_bytes = 0, nvm_sector_size_bytes = 0;
-       struct target *target = bank->target;
-       struct kinetis_flash_bank *kinfo = bank->driver_priv;
+       int result;
+       bool set_fcf = false;
+       bool fcf_in_data_valid = false;
+       int sect = 0;
+       struct kinetis_flash_bank *k_bank = bank->driver_priv;
+       struct kinetis_chip *k_chip = k_bank->k_chip;
+       uint8_t fcf_buffer[FCF_SIZE];
+       uint8_t fcf_current[FCF_SIZE];
+       uint8_t fcf_in_data[FCF_SIZE];
+
+       result = kinetis_check_run_mode(k_chip);
+       if (result != ERROR_OK)
+               return result;
+
+       /* reset error flags */
+       result = kinetis_ftfx_prepare(bank->target);
+       if (result != ERROR_OK)
+               return result;
+
+       if (k_bank->prog_base == 0 && !allow_fcf_writes) {
+               if (bank->sectors[1].offset <= FCF_ADDRESS)
+                       sect = 1;       /* 1kb sector, FCF in 2nd sector */
+
+               if (offset < bank->sectors[sect].offset + bank->sectors[sect].size
+                       && offset + count > bank->sectors[sect].offset)
+                       set_fcf = true; /* write to any part of sector with FCF */
+       }
+
+       if (set_fcf) {
+               kinetis_fill_fcf(bank, fcf_buffer);
+
+               fcf_in_data_valid = offset <= FCF_ADDRESS
+                                        && offset + count >= FCF_ADDRESS + FCF_SIZE;
+               if (fcf_in_data_valid) {
+                       memcpy(fcf_in_data, buffer + FCF_ADDRESS - offset, FCF_SIZE);
+                       if (memcmp(fcf_in_data + FCF_FPROT, fcf_buffer, 4)) {
+                               fcf_in_data_valid = false;
+                               LOG_INFO("Flash protection requested in programmed file differs from current setting.");
+                       }
+                       if (fcf_in_data[FCF_FDPROT] != fcf_buffer[FCF_FDPROT]) {
+                               fcf_in_data_valid = false;
+                               LOG_INFO("Data flash protection requested in programmed file differs from current setting.");
+                       }
+                       if ((fcf_in_data[FCF_FSEC] & 3) != 2) {
+                               fcf_in_data_valid = false;
+                               LOG_INFO("Device security requested in programmed file!");
+                       } else if (k_chip->flash_support & FS_ECC
+                           && fcf_in_data[FCF_FSEC] != fcf_buffer[FCF_FSEC]) {
+                               fcf_in_data_valid = false;
+                               LOG_INFO("Strange unsecure mode 0x%02" PRIx8
+                                        "requested in programmed file!",
+                                        fcf_in_data[FCF_FSEC]);
+                       }
+                       if ((k_chip->flash_support & FS_ECC || fcf_fopt_configured)
+                           && fcf_in_data[FCF_FOPT] != fcf_fopt) {
+                               fcf_in_data_valid = false;
+                               LOG_INFO("FOPT requested in programmed file differs from current setting.");
+                       }
+                       if (!fcf_in_data_valid)
+                               LOG_INFO("Expect verify errors at FCF (0x408-0x40f).");
+               }
+       }
+
+       if (set_fcf && !fcf_in_data_valid) {
+               if (offset < FCF_ADDRESS) {
+                       /* write part preceding FCF */
+                       result = kinetis_write_inner(bank, buffer, offset, FCF_ADDRESS - offset);
+                       if (result != ERROR_OK)
+                               return result;
+               }
+
+               result = target_read_memory(bank->target, bank->base + FCF_ADDRESS, 4, FCF_SIZE / 4, fcf_current);
+               if (result == ERROR_OK && memcmp(fcf_current, fcf_buffer, FCF_SIZE) == 0)
+                       set_fcf = false;
+
+               if (set_fcf) {
+                       /* write FCF if differs from flash - eliminate multiple writes */
+                       result = kinetis_write_inner(bank, fcf_buffer, FCF_ADDRESS, FCF_SIZE);
+                       if (result != ERROR_OK)
+                               return result;
+               }
+
+               LOG_WARNING("Flash Configuration Field written.");
+               LOG_WARNING("Reset or power off the device to make settings effective.");
+
+               if (offset + count > FCF_ADDRESS + FCF_SIZE) {
+                       uint32_t delta = FCF_ADDRESS + FCF_SIZE - offset;
+                       /* write part after FCF */
+                       result = kinetis_write_inner(bank, buffer + delta, FCF_ADDRESS + FCF_SIZE, count - delta);
+               }
+               return result;
+
+       } else {
+               /* no FCF fiddling, normal write */
+               return kinetis_write_inner(bank, buffer, offset, count);
+       }
+}
+
 
-       result = target_read_u32(target, SIM_SDID, &kinfo->sim_sdid);
+static int kinetis_probe_chip(struct kinetis_chip *k_chip)
+{
+       int result;
+       uint8_t fcfg1_nvmsize, fcfg1_pfsize, fcfg1_eesize, fcfg1_depart;
+       uint8_t fcfg2_pflsh;
+       uint32_t ee_size = 0;
+       uint32_t pflash_size_k, nvm_size_k, dflash_size_k;
+       uint32_t pflash_size_m;
+       unsigned num_blocks = 0;
+       unsigned maxaddr_shift = 13;
+       struct target *target = k_chip->target;
+
+       unsigned familyid = 0, subfamid = 0;
+       unsigned cpu_mhz = 120;
+       unsigned idx;
+       bool use_nvm_marking = false;
+       char flash_marking[12], nvm_marking[2];
+       char name[40];
+
+       k_chip->probed = false;
+       k_chip->pflash_sector_size = 0;
+       k_chip->pflash_base = 0;
+       k_chip->nvm_base = 0x10000000;
+       k_chip->progr_accel_ram = FLEXRAM;
+
+       name[0] = '\0';
+
+       if (k_chip->sim_base)
+               result = target_read_u32(target, k_chip->sim_base + SIM_SDID_OFFSET, &k_chip->sim_sdid);
+       else {
+               result = target_read_u32(target, SIM_BASE + SIM_SDID_OFFSET, &k_chip->sim_sdid);
+               if (result == ERROR_OK)
+                       k_chip->sim_base = SIM_BASE;
+               else {
+                       result = target_read_u32(target, SIM_BASE_KL28 + SIM_SDID_OFFSET, &k_chip->sim_sdid);
+                       if (result == ERROR_OK)
+                               k_chip->sim_base = SIM_BASE_KL28;
+               }
+       }
        if (result != ERROR_OK)
                return result;
 
-       if ((kinfo->sim_sdid & (~KINETIS_SDID_K_SERIES_MASK)) == 0) {
+       if ((k_chip->sim_sdid & (~KINETIS_SDID_K_SERIES_MASK)) == 0) {
                /* older K-series MCU */
-               uint32_t mcu_type = kinfo->sim_sdid & KINETIS_K_SDID_TYPE_MASK;
+               uint32_t mcu_type = k_chip->sim_sdid & KINETIS_K_SDID_TYPE_MASK;
+               k_chip->cache_type = KINETIS_CACHE_K;
+               k_chip->watchdog_type = KINETIS_WDOG_K;
 
                switch (mcu_type) {
                case KINETIS_K_SDID_K10_M50:
                case KINETIS_K_SDID_K20_M50:
                        /* 1kB sectors */
-                       pflash_sector_size_bytes = 1<<10;
-                       nvm_sector_size_bytes = 1<<10;
+                       k_chip->pflash_sector_size = 1<<10;
+                       k_chip->nvm_sector_size = 1<<10;
                        num_blocks = 2;
-                       kinfo->flash_support = FS_PROGRAM_LONGWORD | FS_PROGRAM_SECTOR;
+                       k_chip->flash_support = FS_PROGRAM_LONGWORD | FS_PROGRAM_SECTOR;
                        break;
                case KINETIS_K_SDID_K10_M72:
                case KINETIS_K_SDID_K20_M72:
@@ -1084,11 +2063,11 @@ static int kinetis_read_part_info(struct flash_bank *bank)
                case KINETIS_K_SDID_K40_M100:
                case KINETIS_K_SDID_K50_M72:
                        /* 2kB sectors, 1kB FlexNVM sectors */
-                       pflash_sector_size_bytes = 2<<10;
-                       nvm_sector_size_bytes = 1<<10;
+                       k_chip->pflash_sector_size = 2<<10;
+                       k_chip->nvm_sector_size = 1<<10;
                        num_blocks = 2;
-                       kinfo->flash_support = FS_PROGRAM_LONGWORD | FS_PROGRAM_SECTOR;
-                       kinfo->max_flash_prog_size = 1<<10;
+                       k_chip->flash_support = FS_PROGRAM_LONGWORD | FS_PROGRAM_SECTOR;
+                       k_chip->max_flash_prog_size = 1<<10;
                        break;
                case KINETIS_K_SDID_K10_M100:
                case KINETIS_K_SDID_K20_M100:
@@ -1100,165 +2079,410 @@ static int kinetis_read_part_info(struct flash_bank *bank)
                case KINETIS_K_SDID_K53:
                case KINETIS_K_SDID_K60_M100:
                        /* 2kB sectors */
-                       pflash_sector_size_bytes = 2<<10;
-                       nvm_sector_size_bytes = 2<<10;
+                       k_chip->pflash_sector_size = 2<<10;
+                       k_chip->nvm_sector_size = 2<<10;
                        num_blocks = 2;
-                       kinfo->flash_support = FS_PROGRAM_LONGWORD | FS_PROGRAM_SECTOR;
+                       k_chip->flash_support = FS_PROGRAM_LONGWORD | FS_PROGRAM_SECTOR;
                        break;
                case KINETIS_K_SDID_K21_M120:
                case KINETIS_K_SDID_K22_M120:
                        /* 4kB sectors (MK21FN1M0, MK21FX512, MK22FN1M0, MK22FX512) */
-                       pflash_sector_size_bytes = 4<<10;
-                       kinfo->max_flash_prog_size = 1<<10;
-                       nvm_sector_size_bytes = 4<<10;
+                       k_chip->pflash_sector_size = 4<<10;
+                       k_chip->max_flash_prog_size = 1<<10;
+                       k_chip->nvm_sector_size = 4<<10;
                        num_blocks = 2;
-                       kinfo->flash_support = FS_PROGRAM_PHRASE | FS_PROGRAM_SECTOR;
+                       k_chip->flash_support = FS_PROGRAM_PHRASE | FS_PROGRAM_SECTOR;
                        break;
                case KINETIS_K_SDID_K10_M120:
                case KINETIS_K_SDID_K20_M120:
                case KINETIS_K_SDID_K60_M150:
                case KINETIS_K_SDID_K70_M150:
                        /* 4kB sectors */
-                       pflash_sector_size_bytes = 4<<10;
-                       nvm_sector_size_bytes = 4<<10;
+                       k_chip->pflash_sector_size = 4<<10;
+                       k_chip->nvm_sector_size = 4<<10;
                        num_blocks = 4;
-                       kinfo->flash_support = FS_PROGRAM_PHRASE | FS_PROGRAM_SECTOR;
+                       k_chip->flash_support = FS_PROGRAM_PHRASE | FS_PROGRAM_SECTOR;
                        break;
                default:
                        LOG_ERROR("Unsupported K-family FAMID");
                }
+
+               for (idx = 0; idx < ARRAY_SIZE(kinetis_types_old); idx++) {
+                       if (kinetis_types_old[idx].sdid == mcu_type) {
+                               strcpy(name, kinetis_types_old[idx].name);
+                               use_nvm_marking = true;
+                               break;
+                       }
+               }
+
        } else {
                /* Newer K-series or KL series MCU */
-               switch (kinfo->sim_sdid & KINETIS_SDID_SERIESID_MASK) {
+               familyid = (k_chip->sim_sdid & KINETIS_SDID_FAMILYID_MASK) >> KINETIS_SDID_FAMILYID_SHIFT;
+               subfamid = (k_chip->sim_sdid & KINETIS_SDID_SUBFAMID_MASK) >> KINETIS_SDID_SUBFAMID_SHIFT;
+
+               switch (k_chip->sim_sdid & KINETIS_SDID_SERIESID_MASK) {
                case KINETIS_SDID_SERIESID_K:
-                       switch (kinfo->sim_sdid & (KINETIS_SDID_FAMILYID_MASK | KINETIS_SDID_SUBFAMID_MASK)) {
+                       use_nvm_marking = true;
+                       k_chip->cache_type = KINETIS_CACHE_K;
+                       k_chip->watchdog_type = KINETIS_WDOG_K;
+
+                       switch (k_chip->sim_sdid & (KINETIS_SDID_FAMILYID_MASK | KINETIS_SDID_SUBFAMID_MASK)) {
                        case KINETIS_SDID_FAMILYID_K0X | KINETIS_SDID_SUBFAMID_KX2:
                                /* K02FN64, K02FN128: FTFA, 2kB sectors */
-                               pflash_sector_size_bytes = 2<<10;
+                               k_chip->pflash_sector_size = 2<<10;
+                               num_blocks = 1;
+                               k_chip->flash_support = FS_PROGRAM_LONGWORD;
+                               cpu_mhz = 100;
+                               break;
+
+                       case KINETIS_SDID_FAMILYID_K2X | KINETIS_SDID_SUBFAMID_KX2: {
+                               /* MK24FN1M reports as K22, this should detect it (according to errata note 1N83J) */
+                               uint32_t sopt1;
+                               result = target_read_u32(target, k_chip->sim_base + SIM_SOPT1_OFFSET, &sopt1);
+                               if (result != ERROR_OK)
+                                       return result;
+
+                               if (((k_chip->sim_sdid & (KINETIS_SDID_DIEID_MASK)) == KINETIS_SDID_DIEID_K24FN1M) &&
+                                               ((sopt1 & KINETIS_SOPT1_RAMSIZE_MASK) == KINETIS_SOPT1_RAMSIZE_K24FN1M)) {
+                                       /* MK24FN1M */
+                                       k_chip->pflash_sector_size = 4<<10;
+                                       num_blocks = 2;
+                                       k_chip->flash_support = FS_PROGRAM_PHRASE | FS_PROGRAM_SECTOR;
+                                       k_chip->max_flash_prog_size = 1<<10;
+                                       subfamid = 4; /* errata 1N83J fix */
+                                       break;
+                               }
+                               if ((k_chip->sim_sdid & (KINETIS_SDID_DIEID_MASK)) == KINETIS_SDID_DIEID_K22FN128
+                                       || (k_chip->sim_sdid & (KINETIS_SDID_DIEID_MASK)) == KINETIS_SDID_DIEID_K22FN256
+                                       || (k_chip->sim_sdid & (KINETIS_SDID_DIEID_MASK)) == KINETIS_SDID_DIEID_K22FN512) {
+                                       /* K22 with new-style SDID - smaller pflash with FTFA, 2kB sectors */
+                                       k_chip->pflash_sector_size = 2<<10;
+                                       /* autodetect 1 or 2 blocks */
+                                       k_chip->flash_support = FS_PROGRAM_LONGWORD;
+                                       break;
+                               }
+                               LOG_ERROR("Unsupported Kinetis K22 DIEID");
+                               break;
+                       }
+                       case KINETIS_SDID_FAMILYID_K2X | KINETIS_SDID_SUBFAMID_KX4:
+                               k_chip->pflash_sector_size = 4<<10;
+                               if ((k_chip->sim_sdid & (KINETIS_SDID_DIEID_MASK)) == KINETIS_SDID_DIEID_K24FN256) {
+                                       /* K24FN256 - smaller pflash with FTFA */
+                                       num_blocks = 1;
+                                       k_chip->flash_support = FS_PROGRAM_LONGWORD;
+                                       break;
+                               }
+                               /* K24FN1M without errata 7534 */
+                               num_blocks = 2;
+                               k_chip->flash_support = FS_PROGRAM_PHRASE | FS_PROGRAM_SECTOR;
+                               k_chip->max_flash_prog_size = 1<<10;
+                               break;
+
+                       case KINETIS_SDID_FAMILYID_K6X | KINETIS_SDID_SUBFAMID_KX1:     /* errata 7534 - should be K63 */
+                       case KINETIS_SDID_FAMILYID_K6X | KINETIS_SDID_SUBFAMID_KX2:     /* errata 7534 - should be K64 */
+                               subfamid += 2; /* errata 7534 fix */
+                               /* fallthrough */
+                       case KINETIS_SDID_FAMILYID_K6X | KINETIS_SDID_SUBFAMID_KX3:
+                               /* K63FN1M0 */
+                       case KINETIS_SDID_FAMILYID_K6X | KINETIS_SDID_SUBFAMID_KX4:
+                               /* K64FN1M0, K64FX512 */
+                               k_chip->pflash_sector_size = 4<<10;
+                               k_chip->nvm_sector_size = 4<<10;
+                               k_chip->max_flash_prog_size = 1<<10;
+                               num_blocks = 2;
+                               k_chip->flash_support = FS_PROGRAM_PHRASE | FS_PROGRAM_SECTOR;
+                               break;
+
+                       case KINETIS_SDID_FAMILYID_K2X | KINETIS_SDID_SUBFAMID_KX6:
+                               /* K26FN2M0 */
+                       case KINETIS_SDID_FAMILYID_K6X | KINETIS_SDID_SUBFAMID_KX6:
+                               /* K66FN2M0, K66FX1M0 */
+                               k_chip->pflash_sector_size = 4<<10;
+                               k_chip->nvm_sector_size = 4<<10;
+                               k_chip->max_flash_prog_size = 1<<10;
+                               num_blocks = 4;
+                               k_chip->flash_support = FS_PROGRAM_PHRASE | FS_PROGRAM_SECTOR | FS_ECC;
+                               cpu_mhz = 180;
+                               break;
+
+                       case KINETIS_SDID_FAMILYID_K2X | KINETIS_SDID_SUBFAMID_KX7:
+                               /* K27FN2M0 */
+                       case KINETIS_SDID_FAMILYID_K2X | KINETIS_SDID_SUBFAMID_KX8:
+                               /* K28FN2M0 */
+                               k_chip->pflash_sector_size = 4<<10;
+                               k_chip->max_flash_prog_size = 1<<10;
+                               num_blocks = 4;
+                               k_chip->flash_support = FS_PROGRAM_PHRASE | FS_PROGRAM_SECTOR | FS_ECC;
+                               cpu_mhz = 150;
+                               break;
+
+                       case KINETIS_SDID_FAMILYID_K8X | KINETIS_SDID_SUBFAMID_KX0:
+                       case KINETIS_SDID_FAMILYID_K8X | KINETIS_SDID_SUBFAMID_KX1:
+                       case KINETIS_SDID_FAMILYID_K8X | KINETIS_SDID_SUBFAMID_KX2:
+                               /* K80FN256, K81FN256, K82FN256 */
+                               k_chip->pflash_sector_size = 4<<10;
+                               num_blocks = 1;
+                               k_chip->flash_support = FS_PROGRAM_LONGWORD | FS_NO_CMD_BLOCKSTAT;
+                               cpu_mhz = 150;
+                               break;
+
+                       case KINETIS_SDID_FAMILYID_KL8X | KINETIS_SDID_SUBFAMID_KX1:
+                       case KINETIS_SDID_FAMILYID_KL8X | KINETIS_SDID_SUBFAMID_KX2:
+                               /* KL81Z128, KL82Z128 */
+                               k_chip->pflash_sector_size = 2<<10;
+                               num_blocks = 1;
+                               k_chip->flash_support = FS_PROGRAM_LONGWORD | FS_NO_CMD_BLOCKSTAT;
+                               k_chip->cache_type = KINETIS_CACHE_L;
+
+                               use_nvm_marking = false;
+                               snprintf(name, sizeof(name), "MKL8%uZ%%s7",
+                                        subfamid);
+                               break;
+
+                       default:
+                               LOG_ERROR("Unsupported Kinetis FAMILYID SUBFAMID");
+                       }
+
+                       if (name[0] == '\0')
+                               snprintf(name, sizeof(name), "MK%u%uF%%s%u",
+                                        familyid, subfamid, cpu_mhz / 10);
+                       break;
+
+               case KINETIS_SDID_SERIESID_KL:
+                       /* KL-series */
+                       k_chip->pflash_sector_size = 1<<10;
+                       k_chip->nvm_sector_size = 1<<10;
+                       /* autodetect 1 or 2 blocks */
+                       k_chip->flash_support = FS_PROGRAM_LONGWORD;
+                       k_chip->cache_type = KINETIS_CACHE_L;
+                       k_chip->watchdog_type = KINETIS_WDOG_COP;
+
+                       cpu_mhz = 48;
+                       switch (k_chip->sim_sdid & (KINETIS_SDID_FAMILYID_MASK | KINETIS_SDID_SUBFAMID_MASK)) {
+                       case KINETIS_SDID_FAMILYID_K1X | KINETIS_SDID_SUBFAMID_KX3:
+                       case KINETIS_SDID_FAMILYID_K2X | KINETIS_SDID_SUBFAMID_KX3:
+                               subfamid = 7;
+                               break;
+
+                       case KINETIS_SDID_FAMILYID_K2X | KINETIS_SDID_SUBFAMID_KX8:
+                               cpu_mhz = 72;
+                               k_chip->pflash_sector_size = 2<<10;
+                               num_blocks = 2;
+                               k_chip->watchdog_type = KINETIS_WDOG32_KL28;
+                               k_chip->sysmodectrlr_type = KINETIS_SMC32;
+                               break;
+                       }
+
+                       snprintf(name, sizeof(name), "MKL%u%uZ%%s%u",
+                                familyid, subfamid, cpu_mhz / 10);
+                       break;
+
+               case KINETIS_SDID_SERIESID_KW:
+                       /* Newer KW-series (all KW series except KW2xD, KW01Z) */
+                       cpu_mhz = 48;
+                       switch (k_chip->sim_sdid & (KINETIS_SDID_FAMILYID_MASK | KINETIS_SDID_SUBFAMID_MASK)) {
+                       case KINETIS_SDID_FAMILYID_K4X | KINETIS_SDID_SUBFAMID_KX0:
+                               /* KW40Z */
+                       case KINETIS_SDID_FAMILYID_K3X | KINETIS_SDID_SUBFAMID_KX0:
+                               /* KW30Z */
+                       case KINETIS_SDID_FAMILYID_K2X | KINETIS_SDID_SUBFAMID_KX0:
+                               /* KW20Z */
+                               /* FTFA, 1kB sectors */
+                               k_chip->pflash_sector_size = 1<<10;
+                               k_chip->nvm_sector_size = 1<<10;
+                               /* autodetect 1 or 2 blocks */
+                               k_chip->flash_support = FS_PROGRAM_LONGWORD;
+                               k_chip->cache_type = KINETIS_CACHE_L;
+                               k_chip->watchdog_type = KINETIS_WDOG_COP;
+                               break;
+                       case KINETIS_SDID_FAMILYID_K4X | KINETIS_SDID_SUBFAMID_KX1:
+                               /* KW41Z */
+                       case KINETIS_SDID_FAMILYID_K3X | KINETIS_SDID_SUBFAMID_KX1:
+                               /* KW31Z */
+                       case KINETIS_SDID_FAMILYID_K2X | KINETIS_SDID_SUBFAMID_KX1:
+                               /* KW21Z */
+                               /* FTFA, 2kB sectors */
+                               k_chip->pflash_sector_size = 2<<10;
+                               k_chip->nvm_sector_size = 2<<10;
+                               /* autodetect 1 or 2 blocks */
+                               k_chip->flash_support = FS_PROGRAM_LONGWORD;
+                               k_chip->cache_type = KINETIS_CACHE_L;
+                               k_chip->watchdog_type = KINETIS_WDOG_COP;
+                               break;
+                       default:
+                               LOG_ERROR("Unsupported KW FAMILYID SUBFAMID");
+                       }
+                       snprintf(name, sizeof(name), "MKW%u%uZ%%s%u",
+                                        familyid, subfamid, cpu_mhz / 10);
+                       break;
+
+               case KINETIS_SDID_SERIESID_KV:
+                       /* KV-series */
+                       k_chip->watchdog_type = KINETIS_WDOG_K;
+                       switch (k_chip->sim_sdid & (KINETIS_SDID_FAMILYID_MASK | KINETIS_SDID_SUBFAMID_MASK)) {
+                       case KINETIS_SDID_FAMILYID_K1X | KINETIS_SDID_SUBFAMID_KX0:
+                               /* KV10: FTFA, 1kB sectors */
+                               k_chip->pflash_sector_size = 1<<10;
                                num_blocks = 1;
-                               kinfo->flash_support = FS_PROGRAM_LONGWORD;
+                               k_chip->flash_support = FS_PROGRAM_LONGWORD;
+                               k_chip->cache_type = KINETIS_CACHE_L;
+                               strcpy(name, "MKV10Z%s7");
+                               break;
+
+                       case KINETIS_SDID_FAMILYID_K1X | KINETIS_SDID_SUBFAMID_KX1:
+                               /* KV11: FTFA, 2kB sectors */
+                               k_chip->pflash_sector_size = 2<<10;
+                               num_blocks = 1;
+                               k_chip->flash_support = FS_PROGRAM_LONGWORD;
+                               k_chip->cache_type = KINETIS_CACHE_L;
+                               strcpy(name, "MKV11Z%s7");
+                               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 */
+                               k_chip->pflash_sector_size = 2<<10;
+                               /* autodetect 1 or 2 blocks */
+                               k_chip->flash_support = FS_PROGRAM_LONGWORD;
+                               k_chip->cache_type = KINETIS_CACHE_K;
                                break;
 
-                       case KINETIS_SDID_FAMILYID_K2X | KINETIS_SDID_SUBFAMID_KX2: {
-                               /* MK24FN1M reports as K22, this should detect it (according to errata note 1N83J) */
-                               uint32_t sopt1;
-                               result = target_read_u32(target, SIM_SOPT1, &sopt1);
-                               if (result != ERROR_OK)
-                                       return result;
+                       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 */
+                               k_chip->pflash_sector_size = 4<<10;
+                               num_blocks = 1;
+                               k_chip->flash_support = FS_PROGRAM_LONGWORD;
+                               k_chip->cache_type = KINETIS_CACHE_K;
+                               cpu_mhz = 168;
+                               break;
 
-                               if (((kinfo->sim_sdid & (KINETIS_SDID_DIEID_MASK)) == KINETIS_SDID_DIEID_K24FN1M) &&
-                                               ((sopt1 & KINETIS_SOPT1_RAMSIZE_MASK) == KINETIS_SOPT1_RAMSIZE_K24FN1M)) {
-                                       /* MK24FN1M */
-                                       pflash_sector_size_bytes = 4<<10;
-                                       num_blocks = 2;
-                                       kinfo->flash_support = FS_PROGRAM_PHRASE | FS_PROGRAM_SECTOR;
-                                       kinfo->max_flash_prog_size = 1<<10;
-                                       break;
-                               }
-                               if ((kinfo->sim_sdid & (KINETIS_SDID_DIEID_MASK)) == KINETIS_SDID_DIEID_K22FN128
-                                       || (kinfo->sim_sdid & (KINETIS_SDID_DIEID_MASK)) == KINETIS_SDID_DIEID_K22FN256
-                                       || (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;
-                                       break;
-                               }
-                               LOG_ERROR("Unsupported Kinetis K22 DIEID");
+                       case KINETIS_SDID_FAMILYID_K5X | KINETIS_SDID_SUBFAMID_KX6:
+                       case KINETIS_SDID_FAMILYID_K5X | KINETIS_SDID_SUBFAMID_KX8:
+                               /* KV5x: FTFE, 8kB sectors */
+                               k_chip->pflash_sector_size = 8<<10;
+                               k_chip->max_flash_prog_size = 1<<10;
+                               num_blocks = 1;
+                               maxaddr_shift = 14;
+                               k_chip->flash_support = FS_PROGRAM_PHRASE | FS_PROGRAM_SECTOR | FS_WIDTH_256BIT | FS_ECC;
+                               k_chip->pflash_base = 0x10000000;
+                               k_chip->progr_accel_ram = 0x18000000;
+                               cpu_mhz = 240;
                                break;
+
+                       default:
+                               LOG_ERROR("Unsupported KV FAMILYID SUBFAMID");
                        }
-                       case KINETIS_SDID_FAMILYID_K2X | KINETIS_SDID_SUBFAMID_KX4:
-                               pflash_sector_size_bytes = 4<<10;
-                               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;
-                                       break;
-                               }
-                               /* K24FN1M without errata 7534 */
+
+                       if (name[0] == '\0')
+                               snprintf(name, sizeof(name), "MKV%u%uF%%s%u",
+                                        familyid, subfamid, cpu_mhz / 10);
+                       break;
+
+               case KINETIS_SDID_SERIESID_KE:
+                       /* KE1x-series */
+                       k_chip->watchdog_type = KINETIS_WDOG32_KE1X;
+                       switch (k_chip->sim_sdid &
+                               (KINETIS_SDID_FAMILYID_MASK | KINETIS_SDID_SUBFAMID_MASK | KINETIS_SDID_PROJECTID_MASK)) {
+                       case KINETIS_SDID_FAMILYID_K1X | KINETIS_SDID_SUBFAMID_KX4 | KINETIS_SDID_PROJECTID_KE1xZ:
+                       case KINETIS_SDID_FAMILYID_K1X | KINETIS_SDID_SUBFAMID_KX5 | KINETIS_SDID_PROJECTID_KE1xZ:
+                               /* KE1xZ: FTFE, 2kB sectors */
+                               k_chip->pflash_sector_size = 2<<10;
+                               k_chip->nvm_sector_size = 2<<10;
+                               k_chip->max_flash_prog_size = 1<<9;
                                num_blocks = 2;
-                               kinfo->flash_support = FS_PROGRAM_PHRASE | FS_PROGRAM_SECTOR;
-                               kinfo->max_flash_prog_size = 1<<10;
+                               k_chip->flash_support = FS_PROGRAM_PHRASE | FS_PROGRAM_SECTOR;
+                               k_chip->cache_type = KINETIS_CACHE_L;
+
+                               cpu_mhz = 72;
+                               snprintf(name, sizeof(name), "MKE%u%uZ%%s%u",
+                                        familyid, subfamid, cpu_mhz / 10);
                                break;
 
-                       case KINETIS_SDID_FAMILYID_K6X | KINETIS_SDID_SUBFAMID_KX3:
-                       case KINETIS_SDID_FAMILYID_K6X | KINETIS_SDID_SUBFAMID_KX1:     /* errata 7534 - should be K63 */
-                               /* K63FN1M0 */
-                       case KINETIS_SDID_FAMILYID_K6X | KINETIS_SDID_SUBFAMID_KX4:
-                       case KINETIS_SDID_FAMILYID_K6X | KINETIS_SDID_SUBFAMID_KX2:     /* errata 7534 - should be K64 */
-                               /* K64FN1M0, K64FX512 */
-                               pflash_sector_size_bytes = 4<<10;
-                               nvm_sector_size_bytes = 4<<10;
-                               kinfo->max_flash_prog_size = 1<<10;
+                       case KINETIS_SDID_FAMILYID_K1X | KINETIS_SDID_SUBFAMID_KX4 | KINETIS_SDID_PROJECTID_KE1xF:
+                       case KINETIS_SDID_FAMILYID_K1X | KINETIS_SDID_SUBFAMID_KX6 | KINETIS_SDID_PROJECTID_KE1xF:
+                       case KINETIS_SDID_FAMILYID_K1X | KINETIS_SDID_SUBFAMID_KX8 | KINETIS_SDID_PROJECTID_KE1xF:
+                               /* KE1xF: FTFE, 4kB sectors */
+                               k_chip->pflash_sector_size = 4<<10;
+                               k_chip->nvm_sector_size = 2<<10;
+                               k_chip->max_flash_prog_size = 1<<10;
                                num_blocks = 2;
-                               kinfo->flash_support = FS_PROGRAM_PHRASE | FS_PROGRAM_SECTOR;
-                               break;
+                               k_chip->flash_support = FS_PROGRAM_PHRASE | FS_PROGRAM_SECTOR;
+                               k_chip->cache_type = KINETIS_CACHE_MSCM;
 
-                       case KINETIS_SDID_FAMILYID_K2X | KINETIS_SDID_SUBFAMID_KX6:
-                               /* K26FN2M0 */
-                       case KINETIS_SDID_FAMILYID_K6X | KINETIS_SDID_SUBFAMID_KX6:
-                               /* K66FN2M0, K66FX1M0 */
-                               pflash_sector_size_bytes = 4<<10;
-                               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;
+                               cpu_mhz = 168;
+                               snprintf(name, sizeof(name), "MKE%u%uF%%s%u",
+                                        familyid, subfamid, cpu_mhz / 10);
                                break;
+
                        default:
-                               LOG_ERROR("Unsupported Kinetis FAMILYID SUBFAMID");
+                               LOG_ERROR("Unsupported KE 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;
-                       kinfo->flash_support = FS_PROGRAM_LONGWORD;
-                       break;
+
                default:
                        LOG_ERROR("Unsupported K-series");
                }
        }
 
-       if (pflash_sector_size_bytes == 0) {
-               LOG_ERROR("MCU is unsupported, SDID 0x%08" PRIx32, kinfo->sim_sdid);
+       if (k_chip->pflash_sector_size == 0) {
+               LOG_ERROR("MCU is unsupported, SDID 0x%08" PRIx32, k_chip->sim_sdid);
                return ERROR_FLASH_OPER_UNSUPPORTED;
        }
 
-       result = target_read_u32(target, SIM_FCFG1, &kinfo->sim_fcfg1);
+       result = target_read_u32(target, k_chip->sim_base + SIM_FCFG1_OFFSET, &k_chip->sim_fcfg1);
        if (result != ERROR_OK)
                return result;
 
-       result = target_read_u32(target, SIM_FCFG2, &kinfo->sim_fcfg2);
+       result = target_read_u32(target, k_chip->sim_base + SIM_FCFG2_OFFSET, &k_chip->sim_fcfg2);
        if (result != ERROR_OK)
                return result;
-       fcfg2_pflsh = (kinfo->sim_fcfg2 >> 23) & 0x01;
 
-       LOG_DEBUG("SDID: 0x%08" PRIX32 " FCFG1: 0x%08" PRIX32 " FCFG2: 0x%08" PRIX32, kinfo->sim_sdid,
-                       kinfo->sim_fcfg1, kinfo->sim_fcfg2);
-
-       fcfg1_nvmsize = (uint8_t)((kinfo->sim_fcfg1 >> 28) & 0x0f);
-       fcfg1_pfsize = (uint8_t)((kinfo->sim_fcfg1 >> 24) & 0x0f);
-       fcfg1_eesize = (uint8_t)((kinfo->sim_fcfg1 >> 16) & 0x0f);
+       LOG_DEBUG("SDID: 0x%08" PRIX32 " FCFG1: 0x%08" PRIX32 " FCFG2: 0x%08" PRIX32, k_chip->sim_sdid,
+                       k_chip->sim_fcfg1, k_chip->sim_fcfg2);
+
+       fcfg1_nvmsize = (uint8_t)((k_chip->sim_fcfg1 >> 28) & 0x0f);
+       fcfg1_pfsize = (uint8_t)((k_chip->sim_fcfg1 >> 24) & 0x0f);
+       fcfg1_eesize = (uint8_t)((k_chip->sim_fcfg1 >> 16) & 0x0f);
+       fcfg1_depart = (uint8_t)((k_chip->sim_fcfg1 >> 8) & 0x0f);
+
+       fcfg2_pflsh = (uint8_t)((k_chip->sim_fcfg2 >> 23) & 0x01);
+       k_chip->fcfg2_maxaddr0_shifted = ((k_chip->sim_fcfg2 >> 24) & 0x7f) << maxaddr_shift;
+       k_chip->fcfg2_maxaddr1_shifted = ((k_chip->sim_fcfg2 >> 16) & 0x7f) << maxaddr_shift;
+
+       if (num_blocks == 0)
+               num_blocks = k_chip->fcfg2_maxaddr1_shifted ? 2 : 1;
+       else if (k_chip->fcfg2_maxaddr1_shifted == 0 && num_blocks >= 2 && fcfg2_pflsh) {
+               /* fcfg2_maxaddr1 may be zero due to partitioning whole NVM as EEPROM backup
+                * Do not adjust block count in this case! */
+               num_blocks = 1;
+               LOG_WARNING("MAXADDR1 is zero, number of flash banks adjusted to 1");
+       } else if (k_chip->fcfg2_maxaddr1_shifted != 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) {
                switch (fcfg1_nvmsize) {
                case 0x03:
+               case 0x05:
                case 0x07:
                case 0x09:
                case 0x0b:
-                       nvm_size = 1 << (14 + (fcfg1_nvmsize >> 1));
+                       k_chip->nvm_size = 1 << (14 + (fcfg1_nvmsize >> 1));
                        break;
                case 0x0f:
-                       if (pflash_sector_size_bytes >= 4<<10)
-                               nvm_size = 512<<10;
+                       if (k_chip->pflash_sector_size >= 4<<10)
+                               k_chip->nvm_size = 512<<10;
                        else
                                /* K20_100 */
-                               nvm_size = 256<<10;
+                               k_chip->nvm_size = 256<<10;
                        break;
                default:
-                       nvm_size = 0;
+                       k_chip->nvm_size = 0;
                        break;
                }
 
@@ -1279,190 +2503,256 @@ static int kinetis_read_part_info(struct flash_bank *bank)
                        ee_size = 0;
                        break;
                }
+
+               switch (fcfg1_depart) {
+               case 0x01:
+               case 0x02:
+               case 0x03:
+               case 0x04:
+               case 0x05:
+               case 0x06:
+                       k_chip->dflash_size = k_chip->nvm_size - (4096 << fcfg1_depart);
+                       break;
+               case 0x07:
+               case 0x08:
+                       k_chip->dflash_size = 0;
+                       break;
+               case 0x09:
+               case 0x0a:
+               case 0x0b:
+               case 0x0c:
+               case 0x0d:
+                       k_chip->dflash_size = 4096 << (fcfg1_depart & 0x7);
+                       break;
+               default:
+                       k_chip->dflash_size = k_chip->nvm_size;
+                       break;
+               }
        }
 
        switch (fcfg1_pfsize) {
+       case 0x00:
+               k_chip->pflash_size = 8192;
+               break;
+       case 0x01:
        case 0x03:
        case 0x05:
        case 0x07:
        case 0x09:
        case 0x0b:
        case 0x0d:
-               pf_size = 1 << (14 + (fcfg1_pfsize >> 1));
+               k_chip->pflash_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
+                * KL03P24M48SF0RM      32 KB .... duplicate of code 0x3
+                * 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 pflash_size
+                * Checking fcfg2_maxaddr0 in bank probe is pointless then
+                */
+               if (fcfg2_pflsh)
+                       k_chip->pflash_size = k_chip->fcfg2_maxaddr0_shifted * num_blocks;
                else
-                       pf_size = 256<<10;
+                       k_chip->pflash_size = k_chip->fcfg2_maxaddr0_shifted * num_blocks / 2;
+               if (k_chip->pflash_size != 2048<<10)
+                       LOG_WARNING("SIM_FCFG1 PFSIZE = 0xf: please check if pflash is %u KB", k_chip->pflash_size>>10);
+
                break;
        default:
-               pf_size = 0;
+               k_chip->pflash_size = 0;
                break;
        }
 
-       LOG_DEBUG("FlexNVM: %" PRIu32 " PFlash: %" PRIu32 " FlexRAM: %" PRIu32 " PFLSH: %d",
-                 nvm_size, pf_size, ee_size, fcfg2_pflsh);
+       if (k_chip->flash_support & FS_PROGRAM_SECTOR && k_chip->max_flash_prog_size == 0) {
+               k_chip->max_flash_prog_size = k_chip->pflash_sector_size;
+               /* Program section size is equal to sector size by default */
+       }
 
-       num_pflash_blocks = num_blocks / (2 - fcfg2_pflsh);
-       first_nvm_bank = num_pflash_blocks;
-       num_nvm_blocks = num_blocks - num_pflash_blocks;
+       if (fcfg2_pflsh) {
+               k_chip->num_pflash_blocks = num_blocks;
+               k_chip->num_nvm_blocks = 0;
+       } else {
+               k_chip->num_pflash_blocks = (num_blocks + 1) / 2;
+               k_chip->num_nvm_blocks = num_blocks - k_chip->num_pflash_blocks;
+       }
 
-       LOG_DEBUG("%d blocks total: %d PFlash, %d FlexNVM",
-                       num_blocks, num_pflash_blocks, num_nvm_blocks);
+       if (use_nvm_marking) {
+               nvm_marking[0] = k_chip->num_nvm_blocks ? 'X' : 'N';
+               nvm_marking[1] = '\0';
+       } else
+               nvm_marking[0] = '\0';
 
-       /*
-        * If the flash class is already assigned, verify the
-        * parameters.
-        */
-       if (kinfo->flash_class != FC_AUTO) {
-               if (kinfo->bank_ordinal != (unsigned) bank->bank_number) {
-                       LOG_WARNING("Flash ordinal/bank number mismatch");
-                       reassign = 1;
-               } else {
-                       switch (kinfo->flash_class) {
-                       case FC_PFLASH:
-                               if (kinfo->bank_ordinal >= first_nvm_bank) {
-                                       LOG_WARNING("Class mismatch, bank %d is not PFlash", bank->bank_number);
-                                       reassign = 1;
-                               } else if (bank->size != (pf_size / num_pflash_blocks)) {
-                                       LOG_WARNING("PFlash size mismatch");
-                                       reassign = 1;
-                               } else if (bank->base !=
-                                        (0x00000000 + bank->size * kinfo->bank_ordinal)) {
-                                       LOG_WARNING("PFlash address range mismatch");
-                                       reassign = 1;
-                               } else if (kinfo->sector_size != pflash_sector_size_bytes) {
-                                       LOG_WARNING("PFlash sector size mismatch");
-                                       reassign = 1;
-                               } else {
-                                       LOG_DEBUG("PFlash bank %d already configured okay",
-                                                 kinfo->bank_ordinal);
-                               }
-                               break;
-                       case FC_FLEX_NVM:
-                               if ((kinfo->bank_ordinal >= num_blocks) ||
-                                               (kinfo->bank_ordinal < first_nvm_bank)) {
-                                       LOG_WARNING("Class mismatch, bank %d is not FlexNVM", bank->bank_number);
-                                       reassign = 1;
-                               } else if (bank->size != (nvm_size / num_nvm_blocks)) {
-                                       LOG_WARNING("FlexNVM size mismatch");
-                                       reassign = 1;
-                               } else if (bank->base !=
-                                               (0x10000000 + bank->size * kinfo->bank_ordinal)) {
-                                       LOG_WARNING("FlexNVM address range mismatch");
-                                       reassign = 1;
-                               } else if (kinfo->sector_size != nvm_sector_size_bytes) {
-                                       LOG_WARNING("FlexNVM sector size mismatch");
-                                       reassign = 1;
-                               } else {
-                                       LOG_DEBUG("FlexNVM bank %d already configured okay",
-                                                 kinfo->bank_ordinal);
-                               }
-                               break;
-                       case FC_FLEX_RAM:
-                               if (kinfo->bank_ordinal != num_blocks) {
-                                       LOG_WARNING("Class mismatch, bank %d is not FlexRAM", bank->bank_number);
-                                       reassign = 1;
-                               } else if (bank->size != ee_size) {
-                                       LOG_WARNING("FlexRAM size mismatch");
-                                       reassign = 1;
-                               } else if (bank->base != FLEXRAM) {
-                                       LOG_WARNING("FlexRAM address mismatch");
-                                       reassign = 1;
-                               } else if (kinfo->sector_size != nvm_sector_size_bytes) {
-                                       LOG_WARNING("FlexRAM sector size mismatch");
-                                       reassign = 1;
-                               } else {
-                                       LOG_DEBUG("FlexRAM bank %d already configured okay", kinfo->bank_ordinal);
-                               }
-                               break;
+       pflash_size_k = k_chip->pflash_size / 1024;
+       pflash_size_m = pflash_size_k / 1024;
+       if (pflash_size_m)
+               snprintf(flash_marking, sizeof(flash_marking), "%s%" PRIu32 "M0xxx", nvm_marking, pflash_size_m);
+       else
+               snprintf(flash_marking, sizeof(flash_marking), "%s%" PRIu32 "xxx", nvm_marking, pflash_size_k);
+
+       snprintf(k_chip->name, sizeof(k_chip->name), name, flash_marking);
+       LOG_INFO("Kinetis %s detected: %u flash blocks", k_chip->name, num_blocks);
+       LOG_INFO("%u PFlash banks: %" PRIu32 "k total", k_chip->num_pflash_blocks, pflash_size_k);
+       if (k_chip->num_nvm_blocks) {
+               nvm_size_k = k_chip->nvm_size / 1024;
+               dflash_size_k = k_chip->dflash_size / 1024;
+               LOG_INFO("%u FlexNVM banks: %" PRIu32 "k total, %" PRIu32 "k available as data flash, %" PRIu32 "bytes FlexRAM",
+                        k_chip->num_nvm_blocks, nvm_size_k, dflash_size_k, ee_size);
+       }
 
-                       default:
-                               LOG_WARNING("Unknown or inconsistent flash class");
-                               reassign = 1;
-                               break;
-                       }
-               }
-       } else {
-               LOG_INFO("Probing flash info for bank %d", bank->bank_number);
-               reassign = 1;
+       k_chip->probed = true;
+
+       if (create_banks)
+               kinetis_create_missing_banks(k_chip);
+
+       return ERROR_OK;
+}
+
+static int kinetis_probe(struct flash_bank *bank)
+{
+       int result, i;
+       uint8_t fcfg2_maxaddr0, fcfg2_pflsh, fcfg2_maxaddr1;
+       unsigned num_blocks, first_nvm_bank;
+       uint32_t size_k;
+       struct kinetis_flash_bank *k_bank = bank->driver_priv;
+       struct kinetis_chip *k_chip = k_bank->k_chip;
+
+       k_bank->probed = false;
+
+       if (!k_chip->probed) {
+               result = kinetis_probe_chip(k_chip);
+               if (result != ERROR_OK)
+                       return result;
        }
 
-       if (!reassign)
-               return ERROR_OK;
+       num_blocks = k_chip->num_pflash_blocks + k_chip->num_nvm_blocks;
+       first_nvm_bank = k_chip->num_pflash_blocks;
 
-       if ((unsigned)bank->bank_number < num_pflash_blocks) {
+       if (k_bank->bank_number < k_chip->num_pflash_blocks) {
                /* pflash, banks start at address zero */
-               kinfo->flash_class = FC_PFLASH;
-               bank->size = (pf_size / num_pflash_blocks);
-               bank->base = 0x00000000 + bank->size * bank->bank_number;
-               kinfo->sector_size = pflash_sector_size_bytes;
-               kinfo->protection_size = pf_size / 32;
-       } else if ((unsigned)bank->bank_number < num_blocks) {
+               k_bank->flash_class = FC_PFLASH;
+               bank->size = (k_chip->pflash_size / k_chip->num_pflash_blocks);
+               bank->base = k_chip->pflash_base + bank->size * k_bank->bank_number;
+               k_bank->prog_base = 0x00000000 + bank->size * k_bank->bank_number;
+               k_bank->sector_size = k_chip->pflash_sector_size;
+               /* 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 */
+               k_bank->protection_size = MAX(k_chip->pflash_size / 32, 1024);
+               bank->num_prot_blocks = bank->size / k_bank->protection_size;
+               k_bank->protection_block = bank->num_prot_blocks * k_bank->bank_number;
+
+               size_k = bank->size / 1024;
+               LOG_DEBUG("Kinetis bank %u: %" PRIu32 "k PFlash, FTFx base 0x%08" PRIx32 ", sect %u",
+                        k_bank->bank_number, size_k, k_bank->prog_base, k_bank->sector_size);
+
+       } else if (k_bank->bank_number < num_blocks) {
                /* nvm, banks start at address 0x10000000 */
-               kinfo->flash_class = FC_FLEX_NVM;
-               bank->size = (nvm_size / num_nvm_blocks);
-               bank->base = 0x10000000 + bank->size * (bank->bank_number - first_nvm_bank);
-               kinfo->sector_size = nvm_sector_size_bytes;
-               kinfo->protection_size = 0; /* FIXME: TODO: depends on DEPART bits, chip */
-       } else if ((unsigned)bank->bank_number == num_blocks) {
-               LOG_ERROR("FlexRAM support not yet implemented");
-               return ERROR_FLASH_OPER_UNSUPPORTED;
+               unsigned nvm_ord = k_bank->bank_number - first_nvm_bank;
+               uint32_t limit;
+
+               k_bank->flash_class = FC_FLEX_NVM;
+               bank->size = k_chip->nvm_size / k_chip->num_nvm_blocks;
+               bank->base = k_chip->nvm_base + bank->size * nvm_ord;
+               k_bank->prog_base = 0x00800000 + bank->size * nvm_ord;
+               k_bank->sector_size = k_chip->nvm_sector_size;
+               if (k_chip->dflash_size == 0) {
+                       k_bank->protection_size = 0;
+               } else {
+                       for (i = k_chip->dflash_size; ~i & 1; i >>= 1)
+                               ;
+                       if (i == 1)
+                               k_bank->protection_size = k_chip->dflash_size / 8;      /* data flash size = 2^^n */
+                       else
+                               k_bank->protection_size = k_chip->nvm_size / 8; /* TODO: verify on SF1, not documented in RM */
+               }
+               bank->num_prot_blocks = 8 / k_chip->num_nvm_blocks;
+               k_bank->protection_block = bank->num_prot_blocks * nvm_ord;
+
+               /* EEPROM backup part of FlexNVM is not accessible, use dflash_size as a limit */
+               if (k_chip->dflash_size > bank->size * nvm_ord)
+                       limit = k_chip->dflash_size - bank->size * nvm_ord;
+               else
+                       limit = 0;
+
+               if (bank->size > limit) {
+                       bank->size = limit;
+                       LOG_DEBUG("FlexNVM bank %d limited to 0x%08" PRIx32 " due to active EEPROM backup",
+                               k_bank->bank_number, limit);
+               }
+
+               size_k = bank->size / 1024;
+               LOG_DEBUG("Kinetis bank %u: %" PRIu32 "k FlexNVM, FTFx base 0x%08" PRIx32 ", sect %u",
+                        k_bank->bank_number, size_k, k_bank->prog_base, k_bank->sector_size);
+
        } else {
                LOG_ERROR("Cannot determine parameters for bank %d, only %d banks on device",
-                               bank->bank_number, num_blocks);
+                               k_bank->bank_number, num_blocks);
                return ERROR_FLASH_BANK_INVALID;
        }
 
+       fcfg2_pflsh = (uint8_t)((k_chip->sim_fcfg2 >> 23) & 0x01);
+       fcfg2_maxaddr0 = (uint8_t)((k_chip->sim_fcfg2 >> 24) & 0x7f);
+       fcfg2_maxaddr1 = (uint8_t)((k_chip->sim_fcfg2 >> 16) & 0x7f);
+
+       if (k_bank->bank_number == 0 && k_chip->fcfg2_maxaddr0_shifted != bank->size)
+               LOG_WARNING("MAXADDR0 0x%02" PRIx8 " check failed,"
+                               " please report to OpenOCD mailing list", fcfg2_maxaddr0);
+
+       if (fcfg2_pflsh) {
+               if (k_bank->bank_number == 1 && k_chip->fcfg2_maxaddr1_shifted != bank->size)
+                       LOG_WARNING("MAXADDR1 0x%02" PRIx8 " check failed,"
+                               " please report to OpenOCD mailing list", fcfg2_maxaddr1);
+       } else {
+               if (k_bank->bank_number == first_nvm_bank
+                               && k_chip->fcfg2_maxaddr1_shifted != k_chip->dflash_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;
        }
+       if (bank->prot_blocks) {
+               free(bank->prot_blocks);
+               bank->prot_blocks = NULL;
+       }
 
-       if (kinfo->sector_size == 0) {
+       if (k_bank->sector_size == 0) {
                LOG_ERROR("Unknown sector size for bank %d", bank->bank_number);
                return ERROR_FLASH_BANK_INVALID;
        }
 
-       if (kinfo->flash_support & FS_PROGRAM_SECTOR
-                        && kinfo->max_flash_prog_size == 0) {
-               kinfo->max_flash_prog_size = kinfo->sector_size;
-               /* Program section size is equal to sector size by default */
-       }
-
-       bank->num_sectors = bank->size / kinfo->sector_size;
-       assert(bank->num_sectors > 0);
-       bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
+       bank->num_sectors = bank->size / k_bank->sector_size;
 
-       for (i = 0; i < bank->num_sectors; i++) {
-               bank->sectors[i].offset = offset;
-               bank->sectors[i].size = kinfo->sector_size;
-               offset += kinfo->sector_size;
-               bank->sectors[i].is_erased = -1;
-               bank->sectors[i].is_protected = 1;
-       }
+       if (bank->num_sectors > 0) {
+               /* FlexNVM bank can be used for EEPROM backup therefore zero sized */
+               bank->sectors = alloc_block_array(0, k_bank->sector_size, bank->num_sectors);
+               if (!bank->sectors)
+                       return ERROR_FAIL;
 
-       return ERROR_OK;
-}
+               bank->prot_blocks = alloc_block_array(0, k_bank->protection_size, bank->num_prot_blocks);
+               if (!bank->prot_blocks)
+                       return ERROR_FAIL;
 
-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;
+       } else {
+               bank->num_prot_blocks = 0;
        }
 
-       return kinetis_read_part_info(bank);
+       k_bank->probed = true;
+
+       return ERROR_OK;
 }
 
 static int kinetis_auto_probe(struct flash_bank *bank)
 {
-       struct kinetis_flash_bank *kinfo = bank->driver_priv;
+       struct kinetis_flash_bank *k_bank = bank->driver_priv;
 
-       if (kinfo->sim_sdid)
+       if (k_bank && k_bank->probed)
                return ERROR_OK;
 
        return kinetis_probe(bank);
@@ -1474,47 +2764,72 @@ static int kinetis_info(struct flash_bank *bank, char *buf, int buf_size)
                "(ANY)", "PFlash", "FlexNVM", "FlexRAM"
        };
 
-       struct kinetis_flash_bank *kinfo = bank->driver_priv;
+       struct kinetis_flash_bank *k_bank = bank->driver_priv;
+       struct kinetis_chip *k_chip = k_bank->k_chip;
+       uint32_t size_k = bank->size / 1024;
 
-       (void) snprintf(buf, buf_size,
-                       "%s driver for %s flash bank %s at 0x%8.8" PRIx32 "",
-                       bank->driver->name, bank_class_names[kinfo->flash_class],
-                       bank->name, bank->base);
+       snprintf(buf, buf_size,
+               "%s %s: %" PRIu32 "k %s bank %s at 0x%08" PRIx32,
+               bank->driver->name, k_chip->name,
+               size_k, bank_class_names[k_bank->flash_class],
+               bank->name, bank->base);
 
        return ERROR_OK;
 }
 
 static int kinetis_blank_check(struct flash_bank *bank)
 {
-       struct kinetis_flash_bank *kinfo = bank->driver_priv;
+       struct kinetis_flash_bank *k_bank = bank->driver_priv;
+       struct kinetis_chip *k_chip = k_bank->k_chip;
+       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(k_chip);
+       if (result != ERROR_OK)
+               return result;
+
+       /* reset error flags */
+       result = kinetis_ftfx_prepare(bank->target);
+       if (result != ERROR_OK)
+               return result;
 
-       if (kinfo->flash_class == FC_PFLASH) {
-               int result;
+       if (k_bank->flash_class == FC_PFLASH || k_bank->flash_class == FC_FLEX_NVM) {
+               bool block_dirty = true;
+               bool use_block_cmd = !(k_chip->flash_support & FS_NO_CMD_BLOCKSTAT);
                uint8_t ftfx_fstat;
 
-               /* check if whole bank is blank */
-               result = kinetis_ftfx_command(bank, FTFx_CMD_BLOCKSTAT, bank->base, 0, 0, 0, 0,  0, 0, 0, 0, &ftfx_fstat);
+               if (use_block_cmd && k_bank->flash_class == FC_FLEX_NVM) {
+                       uint8_t fcfg1_depart = (uint8_t)((k_chip->sim_fcfg1 >> 8) & 0x0f);
+                       /* block operation cannot be used on FlexNVM when EEPROM backup partition is set */
+                       if (fcfg1_depart != 0xf && fcfg1_depart != 0)
+                               use_block_cmd = false;
+               }
 
-               if (result != ERROR_OK)
-                       return result;
+               if (use_block_cmd) {
+                       /* check if whole bank is blank */
+                       result = kinetis_ftfx_command(bank->target, FTFx_CMD_BLOCKSTAT, k_bank->prog_base,
+                                                        0, 0, 0, 0,  0, 0, 0, 0, &ftfx_fstat);
 
-               if (ftfx_fstat & 0x01) {
+                       if (result != ERROR_OK)
+                               kinetis_ftfx_clear_error(bank->target);
+                       else if ((ftfx_fstat & 0x01) == 0)
+                               block_dirty = false;
+               }
+
+               if (block_dirty) {
                        /* the whole bank is not erased, check sector-by-sector */
                        int i;
                        for (i = 0; i < bank->num_sectors; i++) {
                                /* normal margin */
-                               result = kinetis_ftfx_command(bank, FTFx_CMD_SECTSTAT, bank->base + bank->sectors[i].offset,
+                               result = kinetis_ftfx_command(bank->target, FTFx_CMD_SECTSTAT,
+                                               k_bank->prog_base + bank->sectors[i].offset,
                                                1, 0, 0, 0,  0, 0, 0, 0, &ftfx_fstat);
 
                                if (result == ERROR_OK) {
                                        bank->sectors[i].is_erased = !(ftfx_fstat & 0x01);
                                } else {
                                        LOG_DEBUG("Ignoring errored PFlash sector blank-check");
+                                       kinetis_ftfx_clear_error(bank->target);
                                        bank->sectors[i].is_erased = -1;
                                }
                        }
@@ -1525,34 +2840,239 @@ static int kinetis_blank_check(struct flash_bank *bank)
                                bank->sectors[i].is_erased = 1;
                }
        } else {
-               LOG_WARNING("kinetis_blank_check not supported yet for FlexNVM");
+               LOG_WARNING("kinetis_blank_check not supported yet for FlexRAM");
                return ERROR_FLASH_OPERATION_FAILED;
        }
 
        return ERROR_OK;
 }
 
-static const struct command_registration kinetis_securtiy_command_handlers[] = {
+
+COMMAND_HANDLER(kinetis_nvm_partition)
+{
+       int result;
+       unsigned bank_idx;
+       unsigned num_blocks, first_nvm_bank;
+       unsigned long par, log2 = 0, ee1 = 0, ee2 = 0;
+       enum { SHOW_INFO, DF_SIZE, EEBKP_SIZE } sz_type = SHOW_INFO;
+       bool enable;
+       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 kinetis_chip *k_chip;
+       uint32_t sim_fcfg1;
+
+       k_chip = kinetis_get_chip(target);
+
+       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:
+               if (k_chip == NULL) {
+                       LOG_ERROR("Chip not probed.");
+                       return ERROR_FAIL;
+               }
+               result = target_read_u32(target, k_chip->sim_base + SIM_FCFG1_OFFSET, &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(k_chip);
+       if (result != ERROR_OK)
+               return result;
+
+       /* reset error flags */
+       result = kinetis_ftfx_prepare(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,  NULL);
+       if (result != ERROR_OK)
+               return result;
+
+       command_print(CMD_CTX, "FlexNVM partition set. Please reset MCU.");
+
+       if (k_chip) {
+               first_nvm_bank = k_chip->num_pflash_blocks;
+               num_blocks = k_chip->num_pflash_blocks + k_chip->num_nvm_blocks;
+               for (bank_idx = first_nvm_bank; bank_idx < num_blocks; bank_idx++)
+                       k_chip->banks[bank_idx].probed = false; /* re-probe before next use */
+               k_chip->probed = false;
+       }
+
+       command_print(CMD_CTX, "FlexNVM banks will be re-probed to set new data flash size.");
+       return ERROR_OK;
+}
+
+COMMAND_HANDLER(kinetis_fcf_source_handler)
+{
+       if (CMD_ARGC > 1)
+               return ERROR_COMMAND_SYNTAX_ERROR;
+
+       if (CMD_ARGC == 1) {
+               if (strcmp(CMD_ARGV[0], "write") == 0)
+                       allow_fcf_writes = true;
+               else if (strcmp(CMD_ARGV[0], "protection") == 0)
+                       allow_fcf_writes = false;
+               else
+                       return ERROR_COMMAND_SYNTAX_ERROR;
+       }
+
+       if (allow_fcf_writes) {
+               command_print(CMD_CTX, "Arbitrary Flash Configuration Field writes enabled.");
+               command_print(CMD_CTX, "Protection info writes to FCF disabled.");
+               LOG_WARNING("BEWARE: incorrect flash configuration may permanently lock the device.");
+       } else {
+               command_print(CMD_CTX, "Protection info writes to Flash Configuration Field enabled.");
+               command_print(CMD_CTX, "Arbitrary FCF writes disabled. Mode safe from unwanted locking of the device.");
+       }
+
+       return ERROR_OK;
+}
+
+COMMAND_HANDLER(kinetis_fopt_handler)
+{
+       if (CMD_ARGC > 1)
+               return ERROR_COMMAND_SYNTAX_ERROR;
+
+       if (CMD_ARGC == 1) {
+               fcf_fopt = (uint8_t)strtoul(CMD_ARGV[0], NULL, 0);
+               fcf_fopt_configured = true;
+       } else {
+               command_print(CMD_CTX, "FCF_FOPT 0x%02" PRIx8, fcf_fopt);
+       }
+
+       return ERROR_OK;
+}
+
+COMMAND_HANDLER(kinetis_create_banks_handler)
+{
+       if (CMD_ARGC > 0)
+               return ERROR_COMMAND_SYNTAX_ERROR;
+
+       create_banks = true;
+
+       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 = "test_securing",
+       {       .name = "reset",
                .mode = COMMAND_EXEC,
-               .help = "",
+               .help = "Issue a reset via the MDM-AP",
                .usage = "",
-               .handler = kinetis_securing_test,
+               .handler = kinetis_mdm_reset,
        },
        COMMAND_REGISTRATION_DONE
 };
@@ -1561,9 +3081,45 @@ static const struct command_registration kinetis_exec_command_handlers[] = {
        {
                .name = "mdm",
                .mode = COMMAND_ANY,
-               .help = "",
+               .help = "MDM-AP command group",
+               .usage = "",
+               .chain = kinetis_security_command_handlers,
+       },
+       {
+               .name = "disable_wdog",
+               .mode = COMMAND_EXEC,
+               .help = "Disable the watchdog timer",
                .usage = "",
-               .chain = kinetis_securtiy_command_handlers,
+               .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,
+       },
+       {
+               .name = "fcf_source",
+               .mode = COMMAND_EXEC,
+               .help = "Use protection as a source for Flash Configuration Field or allow writing arbitrary values to the FCF"
+                       " Mode 'protection' is safe from unwanted locking of the device.",
+               .usage = "['protection'|'write']",
+               .handler = kinetis_fcf_source_handler,
+       },
+       {
+               .name = "fopt",
+               .mode = COMMAND_EXEC,
+               .help = "FCF_FOPT value source in 'kinetis fcf_source protection' mode",
+               .usage = "[num]",
+               .handler = kinetis_fopt_handler,
+       },
+       {
+               .name = "create_banks",
+               .mode = COMMAND_CONFIG,
+               .help = "Driver creates additional banks if device with two/four flash blocks is probed",
+               .handler = kinetis_create_banks_handler,
        },
        COMMAND_REGISTRATION_DONE
 };
@@ -1572,7 +3128,7 @@ static const struct command_registration kinetis_command_handler[] = {
        {
                .name = "kinetis",
                .mode = COMMAND_ANY,
-               .help = "kinetis NAND flash controller commands",
+               .help = "Kinetis flash controller commands",
                .usage = "",
                .chain = kinetis_exec_command_handlers,
        },
@@ -1594,4 +3150,5 @@ struct flash_driver kinetis_flash = {
        .erase_check = kinetis_blank_check,
        .protect_check = kinetis_protect_check,
        .info = kinetis_info,
+       .free_driver_priv = kinetis_free_driver_priv,
 };

Linking to existing account procedure

If you already have an account and want to add another login method you MUST first sign in with your existing account and then change URL to read https://review.openocd.org/login/?link to get to this page again but this time it'll work for linking. Thank you.

SSH host keys fingerprints

1024 SHA256:YKx8b7u5ZWdcbp7/4AeXNaqElP49m6QrwfXaqQGJAOk gerrit-code-review@openocd.zylin.com (DSA)
384 SHA256:jHIbSQa4REvwCFG4cq5LBlBLxmxSqelQPem/EXIrxjk gerrit-code-review@openocd.org (ECDSA)
521 SHA256:UAOPYkU9Fjtcao0Ul/Rrlnj/OsQvt+pgdYSZ4jOYdgs gerrit-code-review@openocd.org (ECDSA)
256 SHA256:A13M5QlnozFOvTllybRZH6vm7iSt0XLxbA48yfc2yfY gerrit-code-review@openocd.org (ECDSA)
256 SHA256:spYMBqEYoAOtK7yZBrcwE8ZpYt6b68Cfh9yEVetvbXg gerrit-code-review@openocd.org (ED25519)
+--[ED25519 256]--+
|=..              |
|+o..   .         |
|*.o   . .        |
|+B . . .         |
|Bo. = o S        |
|Oo.+ + =         |
|oB=.* = . o      |
| =+=.+   + E     |
|. .=o   . o      |
+----[SHA256]-----+
2048 SHA256:0Onrb7/PHjpo6iVZ7xQX2riKN83FJ3KGU0TvI0TaFG4 gerrit-code-review@openocd.zylin.com (RSA)