X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fflash%2Fnor%2Fkinetis.c;h=46591e9e2cd5dc520d455a9b56749382c1698f52;hp=c2ea1d8cbe19c3b02605ea8e505337a0755d7fe6;hb=087ce864f4543459053148a1b080ee04fe154665;hpb=3feac9a740917621de5af6f6ef008ec445b9d35a diff --git a/src/flash/nor/kinetis.c b/src/flash/nor/kinetis.c index c2ea1d8cbe..46591e9e2c 100644 --- a/src/flash/nor/kinetis.c +++ b/src/flash/nor/kinetis.c @@ -31,10 +31,12 @@ #include "config.h" #endif +#include "jtag/interface.h" #include "imp.h" #include #include #include +#include /* * Implementation Notes @@ -50,53 +52,30 @@ * variants also have FlexNVM and FlexRAM, which always appear * together. * - * A given Kinetis chip may have 2 or 4 blocks of flash. Here we map + * A given Kinetis chip may have 1, 2 or 4 blocks of flash. Here we map * each block to a separate bank. Each block size varies by chip and * may be determined by the read-only SIM_FCFG1 register. The sector - * size within each bank/block varies by the chip granularity as - * described below. + * size within each bank/block varies by chip, and may be 1, 2 or 4k. + * The sector size may be different for flash and FlexNVM. * - * Kinetis offers four different of flash granularities applicable - * across the chip families. The granularity is apparently reflected - * by at least the reference manual suffix. For example, for chip - * MK60FN1M0VLQ12, reference manual K60P144M150SF3RM ends in "SF3RM", - * where the "3" indicates there are four flash blocks with 4kiB - * sectors. All possible granularities are indicated below. - * - * The first half of the flash (1 or 2 blocks, depending on the - * granularity) is always Program Flash and always starts at address - * 0x00000000. The "PFLSH" flag, bit 23 of the read-only SIM_FCFG2 - * register, determines whether the second half of the flash is also - * Program Flash or FlexNVM+FlexRAM. When PFLSH is set, the second - * half of flash is Program Flash and is contiguous in the memory map - * from the first half. When PFLSH is clear, the second half of flash - * is FlexNVM and always starts at address 0x10000000. FlexRAM, which - * is also present when PFLSH is clear, always starts at address - * 0x14000000. + * The first half of the flash (1 or 2 blocks) is always Program Flash + * and always starts at address 0x00000000. The "PFLSH" flag, bit 23 + * of the read-only SIM_FCFG2 register, determines whether the second + * half of the flash is also Program Flash or FlexNVM+FlexRAM. When + * PFLSH is set, the second from the first half. When PFLSH is clear, + * the second half of flash is FlexNVM and always starts at address + * 0x10000000. FlexRAM, which is also present when PFLSH is clear, + * always starts at address 0x14000000. * * The Flash Memory Module provides a register set where flash * commands are loaded to perform flash operations like erase and * program. Different commands are available depending on whether * Program Flash or FlexNVM/FlexRAM is being manipulated. Although * the commands used are quite consistent between flash blocks, the - * parameters they accept differ according to the flash granularity. - * Some Kinetis chips have different granularity between Program Flash - * and FlexNVM/FlexRAM, so flash command arguments may differ between - * blocks in the same chip. + * parameters they accept differ according to the flash sector size. * */ -const struct { - unsigned pflash_sector_size_bytes; - unsigned nvm_sector_size_bytes; - unsigned num_blocks; -} kinetis_flash_params[4] = { - { 1<<10, 1<<10, 2 }, - { 2<<10, 1<<10, 2 }, - { 2<<10, 2<<10, 2 }, - { 4<<10, 4<<10, 4 } -}; - /* Addressess */ #define FLEXRAM 0x14000000 #define FTFx_FSTAT 0x40020000 @@ -104,6 +83,7 @@ const struct { #define FTFx_FCCOB3 0x40020004 #define FTFx_FPROT3 0x40020010 #define SIM_SDID 0x40048024 +#define SIM_SOPT1 0x40047000 #define SIM_FCFG1 0x4004804c #define SIM_FCFG2 0x40048050 @@ -116,14 +96,14 @@ const struct { #define FTFx_CMD_SETFLEXRAM 0x81 #define FTFx_CMD_MASSERASE 0x44 -/* The Kinetis K series uses the following SDID layout : +/* The older Kinetis K series uses the following SDID layout : * Bit 31-16 : 0 * Bit 15-12 : REVID * Bit 11-7 : DIEID * Bit 6-4 : FAMID * Bit 3-0 : PINID * - * The Kinetis KL series uses the following SDID layout : + * The newer Kinetis series uses the following SDID layout : * Bit 31-28 : FAMID * Bit 27-24 : SUBFAMID * Bit 23-20 : SERIESID @@ -132,16 +112,20 @@ const struct { * Bit 6-4 : Reserved (0) * Bit 3-0 : PINID * - * SERIESID should be 1 for the KL-series so we assume that if - * bits 31-16 are 0 then it's a K-series MCU. + * We assume that if bits 31-16 are 0 then it's an older + * K-series MCU. */ +#define KINETIS_SOPT1_RAMSIZE_MASK 0x0000F000 +#define KINETIS_SOPT1_RAMSIZE_K24FN1M 0x0000B000 + #define KINETIS_SDID_K_SERIES_MASK 0x0000FFFF #define KINETIS_SDID_DIEID_MASK 0x00000F80 #define KINETIS_SDID_DIEID_K_A 0x00000100 #define KINETIS_SDID_DIEID_K_B 0x00000200 #define KINETIS_SDID_DIEID_KL 0x00000000 +#define KINETIS_SDID_DIEID_K24FN1M 0x00000300 /* Detect Errata 7534 */ /* We can't rely solely on the FAMID field to determine the MCU * type since some FAMID values identify multiple MCUs with @@ -174,15 +158,35 @@ const struct { #define KINETIS_K_SDID_K60_M150 0x000001C0 #define KINETIS_K_SDID_K70_M150 0x000001D0 -#define KINETIS_KL_SDID_SERIESID_MASK 0x00F00000 -#define KINETIS_KL_SDID_SERIESID_KL 0x00100000 +#define KINETIS_SDID_SERIESID_MASK 0x00F00000 +#define KINETIS_SDID_SERIESID_K 0x00000000 +#define KINETIS_SDID_SERIESID_KL 0x00100000 +#define KINETIS_SDID_SERIESID_KW 0x00500000 +#define KINETIS_SDID_SERIESID_KV 0x00600000 + +#define KINETIS_SDID_SUBFAMID_MASK 0x0F000000 +#define KINETIS_SDID_SUBFAMID_KX0 0x00000000 +#define KINETIS_SDID_SUBFAMID_KX1 0x01000000 +#define KINETIS_SDID_SUBFAMID_KX2 0x02000000 +#define KINETIS_SDID_SUBFAMID_KX3 0x03000000 +#define KINETIS_SDID_SUBFAMID_KX4 0x04000000 +#define KINETIS_SDID_SUBFAMID_KX5 0x05000000 +#define KINETIS_SDID_SUBFAMID_KX6 0x06000000 + +#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_K6X 0x60000000 +#define KINETIS_SDID_FAMILYID_K7X 0x70000000 struct kinetis_flash_bank { - unsigned granularity; unsigned bank_ordinal; uint32_t sector_size; + uint32_t max_flash_prog_size; uint32_t protection_size; - uint32_t klxx; uint32_t sim_sdid; uint32_t sim_fcfg1; @@ -194,8 +198,295 @@ struct kinetis_flash_bank { FC_FLEX_NVM, FC_FLEX_RAM, } flash_class; + + enum { + FS_PROGRAM_SECTOR = 1, + FS_PROGRAM_LONGWORD = 2, + FS_PROGRAM_PHRASE = 4, /* Unsupported */ + } flash_support; +}; + +#define MDM_REG_STAT 0x00 +#define MDM_REG_CTRL 0x04 +#define MDM_REG_ID 0xfc + +#define MDM_STAT_FMEACK (1<<0) +#define MDM_STAT_FREADY (1<<1) +#define MDM_STAT_SYSSEC (1<<2) +#define MDM_STAT_SYSRES (1<<3) +#define MDM_STAT_FMEEN (1<<5) +#define MDM_STAT_BACKDOOREN (1<<6) +#define MDM_STAT_LPEN (1<<7) +#define MDM_STAT_VLPEN (1<<8) +#define MDM_STAT_LLSMODEXIT (1<<9) +#define MDM_STAT_VLLSXMODEXIT (1<<10) +#define MDM_STAT_CORE_HALTED (1<<16) +#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_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); + if (retval != ERROR_OK) { + LOG_DEBUG("MDM: failed to queue a write request"); + return retval; + } + + retval = dap_run(dap); + if (retval != ERROR_OK) { + LOG_DEBUG("MDM: dap_run failed"); + return retval; + } + + + return ERROR_OK; +} + +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); + if (retval != ERROR_OK) { + LOG_DEBUG("MDM: failed to queue a read request"); + return retval; + } + + retval = dap_run(dap); + if (retval != ERROR_OK) { + LOG_DEBUG("MDM: dap_run failed"); + return retval; + } + + LOG_DEBUG("MDM_REG[0x%02x]: %08" PRIX32, reg, *result); + return ERROR_OK; +} + +static int kinetis_mdm_poll_register(struct adiv5_dap *dap, unsigned reg, uint32_t mask, uint32_t value) +{ + uint32_t val; + int retval; + int timeout = MDM_ACCESS_TIMEOUT; + + do { + retval = kinetis_mdm_read_register(dap, reg, &val); + if (retval != ERROR_OK || (val & mask) == value) + return retval; + + alive_sleep(1); + } while (timeout--); + + LOG_DEBUG("MDM: polling timed out"); + return ERROR_FAIL; +} + +/* + * 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 + */ +COMMAND_HANDLER(kinetis_mdm_mass_erase) +{ + 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; + + if (!dap) { + LOG_ERROR("Cannot perform mass erase with a high-level adapter"); + return ERROR_FAIL; + } + + int retval; + const uint8_t original_ap = dap->ap_current; + + /* + * ... Power on the processor, or if power has already been + * applied, assert the RESET pin to reset the processor. For + * devices that do not have a RESET pin, write the System + * Reset Request bit in the MDM-AP control register after + * establishing communication... + */ + + /* assert SRST */ + if (jtag_get_reset_config() & RESET_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; + + /* + * ... 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_SYSRES, + MDM_STAT_FREADY); + if (retval != ERROR_OK) { + LOG_ERROR("MDM : flash ready timeout"); + return retval; + } + + /* + * ... 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; + + /* + * ... Read the MDM-AP control register until the Flash Mass + * Erase in Progress bit clears... + */ + retval = kinetis_mdm_poll_register(dap, MDM_REG_CTRL, + MEM_CTRL_FMEIP, + 0); + if (retval != ERROR_OK) + return retval; + + /* + * ... Negate the RESET signal or clear the System Reset Request + * bit in the MDM-AP control register... + */ + retval = kinetis_mdm_write_register(dap, MDM_REG_CTRL, 0); + if (retval != ERROR_OK) + return retval; + + if (jtag_get_reset_config() & RESET_HAS_SRST) + adapter_deassert_reset(); + + dap_ap_select(dap, original_ap); + return ERROR_OK; +} + +static const uint32_t kinetis_known_mdm_ids[] = { + 0x001C0000, /* Kinetis-K Series */ + 0x001C0020, /* Kinetis-L/M/V/E Series */ }; +/* + * This function implements the procedure to connect to + * 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 4.1.1 + */ +COMMAND_HANDLER(kinetis_check_flash_security_status) +{ + 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; + + if (!dap) { + LOG_WARNING("Cannot check flash security status with a high-level adapter"); + return ERROR_OK; + } + + 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 + * connection is working correctly... + */ + retval = kinetis_mdm_read_register(dap, MDM_REG_ID, &val); + if (retval != ERROR_OK) { + LOG_ERROR("MDM: failed to read ID register"); + goto fail; + } + + bool found = false; + for (size_t i = 0; i < ARRAY_SIZE(kinetis_known_mdm_ids); i++) { + if (val == kinetis_known_mdm_ids[i]) { + found = true; + break; + } + } + + 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 + * communication with the internals of the processor, including the + * flash, will not be possible without issuing a mass erase command or + * unsecuring the part through other means (backdoor key unlock)... + */ + 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; + } + + if (val & MDM_STAT_SYSSEC) { + jtag_poll_set_enabled(false); + + LOG_WARNING("*********** ATTENTION! ATTENTION! ATTENTION! ATTENTION! **********"); + LOG_WARNING("**** ****"); + LOG_WARNING("**** Your Kinetis MCU is in secured state, which means that, ****"); + LOG_WARNING("**** with exception for very basic communication, JTAG/SWD ****"); + LOG_WARNING("**** interface will NOT work. In order to restore its ****"); + LOG_WARNING("**** functionality please issue 'kinetis mdm mass_erase' ****"); + LOG_WARNING("**** command, power cycle the MCU and restart OpenOCD. ****"); + LOG_WARNING("**** ****"); + LOG_WARNING("*********** ATTENTION! ATTENTION! ATTENTION! ATTENTION! **********"); + } 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; +} + FLASH_BANK_COMMAND_HANDLER(kinetis_flash_bank_command) { struct kinetis_flash_bank *bank_info; @@ -278,7 +569,7 @@ static const uint8_t kinetis_flash_write_code[] = { }; /* Program LongWord Block Write */ -static int kinetis_write_block(struct flash_bank *bank, uint8_t *buffer, +static int kinetis_write_block(struct flash_bank *bank, const uint8_t *buffer, uint32_t offset, uint32_t wcount) { struct target *target = bank->target; @@ -512,36 +803,26 @@ static int kinetis_ftfx_command(struct flash_bank *bank, uint8_t fcmd, uint32_t return ERROR_OK; } -static int kinetis_mass_erase(struct flash_bank *bank) +COMMAND_HANDLER(kinetis_securing_test) { int result; uint8_t ftfx_fstat; + struct target *target = get_current_target(CMD_CTX); + struct flash_bank *bank = NULL; - if (bank->target->state != TARGET_HALTED) { + result = get_flash_bank_by_addr(target, 0x00000000, true, &bank); + if (result != ERROR_OK) + return result; + + assert(bank != NULL); + + if (target->state != TARGET_HALTED) { LOG_ERROR("Target not halted"); return ERROR_TARGET_NOT_HALTED; } - /* check if whole bank is blank */ - LOG_INFO("Execute Erase All Blocks"); - /* set command and sector address */ - result = kinetis_ftfx_command(bank, FTFx_CMD_MASSERASE, 0, - 0, 0, 0, 0, 0, 0, 0, 0, &ftfx_fstat); - /* Anyway Result, write FSEC to unsecure forcely */ - /* if (result != ERROR_OK) - return result;*/ - - /* Write to MCU security status unsecure in Flash security byte(for Kinetis-L need) */ - LOG_INFO("Write to MCU security status unsecure Anyway!"); - uint8_t padding[4] = {0xFE, 0xFF, 0xFF, 0xFF}; /* Write 0xFFFFFFFE */ - - result = kinetis_ftfx_command(bank, FTFx_CMD_LWORDPROG, (bank->base + 0x0000040C), - padding[3], padding[2], padding[1], padding[0], - 0, 0, 0, 0, &ftfx_fstat); - if (result != ERROR_OK) - return ERROR_FLASH_OPERATION_FAILED; - - return ERROR_OK; + return kinetis_ftfx_command(bank, FTFx_CMD_SECTERASE, bank->base + 0x00000400, + 0, 0, 0, 0, 0, 0, 0, 0, &ftfx_fstat); } static int kinetis_erase(struct flash_bank *bank, int first, int last) @@ -556,9 +837,6 @@ static int kinetis_erase(struct flash_bank *bank, int first, int last) if ((first > bank->num_sectors) || (last > bank->num_sectors)) return ERROR_FLASH_OPERATION_FAILED; - if ((first == 0) && (last == (bank->num_sectors - 1))) - return kinetis_mass_erase(bank); - /* * FIXME: TODO: use the 'Erase Flash Block' command if the * requested erase is PFlash or NVM and encompasses the entire @@ -586,7 +864,7 @@ static int kinetis_erase(struct flash_bank *bank, int first, int last) return ERROR_OK; } -static int kinetis_write(struct flash_bank *bank, uint8_t *buffer, +static int kinetis_write(struct flash_bank *bank, const uint8_t *buffer, uint32_t offset, uint32_t count) { unsigned int i, result, fallback = 0; @@ -600,10 +878,10 @@ static int kinetis_write(struct flash_bank *bank, uint8_t *buffer, return ERROR_TARGET_NOT_HALTED; } - if (kinfo->klxx) { + if (!(kinfo->flash_support & FS_PROGRAM_SECTOR)) { /* fallback to longword write */ fallback = 1; - LOG_WARNING("Kinetis L Series supports Program Longword execution only."); + 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) { @@ -643,9 +921,7 @@ static int kinetis_write(struct flash_bank *bank, uint8_t *buffer, * Kinetis "chunk" is 16 bytes (128 bits). */ unsigned prog_section_chunk_bytes = kinfo->sector_size >> 8; - /* assume the NVM sector size is half the FlexRAM size */ - unsigned prog_size_bytes = MIN(kinfo->sector_size, - kinetis_flash_params[kinfo->granularity].nvm_sector_size_bytes); + 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; @@ -718,8 +994,7 @@ static int kinetis_write(struct flash_bank *bank, uint8_t *buffer, } } /* program longword command, not supported in "SF3" devices */ - else if ((kinfo->granularity != 3) || (kinfo->klxx)) { - + else if (kinfo->flash_support & FS_PROGRAM_LONGWORD) { if (count & 0x3) { uint32_t old_count = count; count = (old_count | 3) + 1; @@ -731,7 +1006,7 @@ static int kinetis_write(struct flash_bank *bank, uint8_t *buffer, } LOG_INFO("odd number of bytes to write (%" PRIu32 "), extending to %" PRIu32 " " "and padding with 0xff", old_count, count); - memset(buffer, 0xff, count); + memset(new_buffer, 0xff, count); buffer = memcpy(new_buffer, buffer, old_count); } @@ -762,7 +1037,6 @@ static int kinetis_write(struct flash_bank *bank, uint8_t *buffer, return ERROR_FLASH_OPERATION_FAILED; } } - } else { LOG_ERROR("Flash write strategy not implemented"); return ERROR_FLASH_OPERATION_FAILED; @@ -777,8 +1051,8 @@ static int kinetis_read_part_info(struct flash_bank *bank) 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 granularity, num_blocks = 0, num_pflash_blocks = 0, num_nvm_blocks = 0, - first_nvm_bank = 0, reassign = 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; @@ -786,17 +1060,18 @@ static int kinetis_read_part_info(struct flash_bank *bank) if (result != ERROR_OK) return result; - kinfo->klxx = 0; - - /* K-series MCU? */ if ((kinfo->sim_sdid & (~KINETIS_SDID_K_SERIES_MASK)) == 0) { + /* older K-series MCU */ uint32_t mcu_type = kinfo->sim_sdid & KINETIS_K_SDID_TYPE_MASK; switch (mcu_type) { case KINETIS_K_SDID_K10_M50: case KINETIS_K_SDID_K20_M50: /* 1kB sectors */ - granularity = 0; + pflash_sector_size_bytes = 1<<10; + nvm_sector_size_bytes = 1<<10; + num_blocks = 2; + kinfo->flash_support = FS_PROGRAM_LONGWORD | FS_PROGRAM_SECTOR; break; case KINETIS_K_SDID_K10_M72: case KINETIS_K_SDID_K20_M72: @@ -806,7 +1081,11 @@ 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 */ - granularity = 1; + pflash_sector_size_bytes = 2<<10; + nvm_sector_size_bytes = 1<<10; + num_blocks = 2; + kinfo->flash_support = FS_PROGRAM_LONGWORD | FS_PROGRAM_SECTOR; + kinfo->max_flash_prog_size = 1<<10; break; case KINETIS_K_SDID_K10_M100: case KINETIS_K_SDID_K20_M100: @@ -818,7 +1097,10 @@ static int kinetis_read_part_info(struct flash_bank *bank) case KINETIS_K_SDID_K53: case KINETIS_K_SDID_K60_M100: /* 2kB sectors */ - granularity = 2; + pflash_sector_size_bytes = 2<<10; + nvm_sector_size_bytes = 2<<10; + num_blocks = 2; + kinfo->flash_support = FS_PROGRAM_LONGWORD | FS_PROGRAM_SECTOR; break; case KINETIS_K_SDID_K10_M120: case KINETIS_K_SDID_K20_M120: @@ -827,18 +1109,63 @@ static int kinetis_read_part_info(struct flash_bank *bank) case KINETIS_K_SDID_K60_M150: case KINETIS_K_SDID_K70_M150: /* 4kB sectors */ - granularity = 3; + pflash_sector_size_bytes = 4<<10; + nvm_sector_size_bytes = 4<<10; + num_blocks = 4; + kinfo->flash_support = FS_PROGRAM_PHRASE | FS_PROGRAM_SECTOR; break; default: LOG_ERROR("Unsupported K-family FAMID"); return ERROR_FLASH_OPER_UNSUPPORTED; } - } - /* KL-series? */ - else if ((kinfo->sim_sdid & KINETIS_KL_SDID_SERIESID_MASK) == KINETIS_KL_SDID_SERIESID_KL) { - kinfo->klxx = 1; - granularity = 0; } else { + /* Newer K-series or KL series MCU */ + switch (kinfo->sim_sdid & KINETIS_SDID_SERIESID_MASK) { + case KINETIS_SDID_SERIESID_K: + switch (kinfo->sim_sdid & (KINETIS_SDID_FAMILYID_MASK | KINETIS_SDID_SUBFAMID_MASK)) { + 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; + + 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; + } else { + /* K22 with new-style SDID? */ + break; + } + break; + } + case KINETIS_SDID_FAMILYID_K2X | KINETIS_SDID_SUBFAMID_KX4: + /* K24FN256 */ + pflash_sector_size_bytes = 4<<10; + num_blocks = 1; + kinfo->flash_support = FS_PROGRAM_LONGWORD; + break; + default: + break; + } + 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: + break; + } + } + + if (pflash_sector_size_bytes == 0) { LOG_ERROR("MCU is unsupported"); return ERROR_FLASH_OPER_UNSUPPORTED; } @@ -869,9 +1196,10 @@ static int kinetis_read_part_info(struct flash_bank *bank) nvm_size = 1 << (14 + (fcfg1_nvmsize >> 1)); break; case 0x0f: - if (granularity == 3) + if (pflash_sector_size_bytes >= 4<<10) nvm_size = 512<<10; else + /* K20_100 */ nvm_size = 256<<10; break; default: @@ -908,7 +1236,7 @@ static int kinetis_read_part_info(struct flash_bank *bank) pf_size = 1 << (14 + (fcfg1_pfsize >> 1)); break; case 0x0f: - if (granularity == 3) + if (pflash_sector_size_bytes >= 4<<10) pf_size = 1024<<10; else if (fcfg2_pflsh) pf_size = 512<<10; @@ -922,10 +1250,6 @@ static int kinetis_read_part_info(struct flash_bank *bank) LOG_DEBUG("FlexNVM: %" PRIu32 " PFlash: %" PRIu32 " FlexRAM: %" PRIu32 " PFLSH: %d", nvm_size, pf_size, ee_size, fcfg2_pflsh); - if (kinfo->klxx) - num_blocks = 1; - else - num_blocks = kinetis_flash_params[granularity].num_blocks; num_pflash_blocks = num_blocks / (2 - fcfg2_pflsh); first_nvm_bank = num_pflash_blocks; @@ -942,9 +1266,6 @@ static int kinetis_read_part_info(struct flash_bank *bank) if (kinfo->bank_ordinal != (unsigned) bank->bank_number) { LOG_WARNING("Flash ordinal/bank number mismatch"); reassign = 1; - } else if (kinfo->granularity != granularity) { - LOG_WARNING("Flash granularity mismatch"); - reassign = 1; } else { switch (kinfo->flash_class) { case FC_PFLASH: @@ -958,8 +1279,7 @@ static int kinetis_read_part_info(struct flash_bank *bank) (0x00000000 + bank->size * kinfo->bank_ordinal)) { LOG_WARNING("PFlash address range mismatch"); reassign = 1; - } else if (kinfo->sector_size != - kinetis_flash_params[granularity].pflash_sector_size_bytes) { + } else if (kinfo->sector_size != pflash_sector_size_bytes) { LOG_WARNING("PFlash sector size mismatch"); reassign = 1; } else { @@ -979,8 +1299,7 @@ static int kinetis_read_part_info(struct flash_bank *bank) (0x10000000 + bank->size * kinfo->bank_ordinal)) { LOG_WARNING("FlexNVM address range mismatch"); reassign = 1; - } else if (kinfo->sector_size != - kinetis_flash_params[granularity].nvm_sector_size_bytes) { + } else if (kinfo->sector_size != nvm_sector_size_bytes) { LOG_WARNING("FlexNVM sector size mismatch"); reassign = 1; } else { @@ -998,8 +1317,7 @@ static int kinetis_read_part_info(struct flash_bank *bank) } else if (bank->base != FLEXRAM) { LOG_WARNING("FlexRAM address mismatch"); reassign = 1; - } else if (kinfo->sector_size != - kinetis_flash_params[granularity].nvm_sector_size_bytes) { + } else if (kinfo->sector_size != nvm_sector_size_bytes) { LOG_WARNING("FlexRAM sector size mismatch"); reassign = 1; } else { @@ -1021,21 +1339,19 @@ static int kinetis_read_part_info(struct flash_bank *bank) if (!reassign) return ERROR_OK; - kinfo->granularity = granularity; - if ((unsigned)bank->bank_number < 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 = kinetis_flash_params[granularity].pflash_sector_size_bytes; + kinfo->sector_size = pflash_sector_size_bytes; kinfo->protection_size = pf_size / 32; } else if ((unsigned)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 = kinetis_flash_params[granularity].nvm_sector_size_bytes; + 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"); @@ -1051,6 +1367,17 @@ static int kinetis_read_part_info(struct flash_bank *bank) bank->sectors = NULL; } + if (kinfo->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); @@ -1150,8 +1477,58 @@ static int kinetis_blank_check(struct flash_bank *bank) return ERROR_OK; } +static const struct command_registration kinetis_securtiy_command_handlers[] = { + { + .name = "check_security", + .mode = COMMAND_EXEC, + .help = "", + .usage = "", + .handler = kinetis_check_flash_security_status, + }, + { + .name = "mass_erase", + .mode = COMMAND_EXEC, + .help = "", + .usage = "", + .handler = kinetis_mdm_mass_erase, + }, + { + .name = "test_securing", + .mode = COMMAND_EXEC, + .help = "", + .usage = "", + .handler = kinetis_securing_test, + }, + COMMAND_REGISTRATION_DONE +}; + +static const struct command_registration kinetis_exec_command_handlers[] = { + { + .name = "mdm", + .mode = COMMAND_ANY, + .help = "", + .usage = "", + .chain = kinetis_securtiy_command_handlers, + }, + COMMAND_REGISTRATION_DONE +}; + +static const struct command_registration kinetis_command_handler[] = { + { + .name = "kinetis", + .mode = COMMAND_ANY, + .help = "kinetis NAND flash controller commands", + .usage = "", + .chain = kinetis_exec_command_handlers, + }, + COMMAND_REGISTRATION_DONE +}; + + + struct flash_driver kinetis_flash = { .name = "kinetis", + .commands = kinetis_command_handler, .flash_bank_command = kinetis_flash_bank_command, .erase = kinetis_erase, .protect = kinetis_protect,