#include "jtag/interface.h"
#include "imp.h"
#include <helper/binarybuffer.h>
+#include <target/target_type.h>
#include <target/algorithm.h>
#include <target/armv7m.h>
#include <target/cortex_m.h>
#define FTFx_FCNFG 0x40020001
#define FTFx_FCCOB3 0x40020004
#define FTFx_FPROT3 0x40020010
+#define FTFx_FDPROT 0x40020017
#define SIM_SDID 0x40048024
#define SIM_SOPT1 0x40047000
#define SIM_FCFG1 0x4004804c
#define SIM_FCFG2 0x40048050
+#define WDOG_STCTRH 0x40052000
/* Commands */
#define FTFx_CMD_BLOCKSTAT 0x00
#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_K22FN128 0x00000680 /* smaller pflash with FTFA */
+#define KINETIS_SDID_DIEID_K22FN256 0x00000A80
+#define KINETIS_SDID_DIEID_K22FN512 0x00000E80
+#define KINETIS_SDID_DIEID_K24FN256 0x00000700
+
#define KINETIS_SDID_DIEID_K24FN1M 0x00000300 /* Detect Errata 7534 */
/* We can't rely solely on the FAMID field to determine the MCU
#define KINETIS_SDID_FAMILYID_K7X 0x70000000
struct kinetis_flash_bank {
- unsigned bank_ordinal;
+ bool probed;
uint32_t sector_size;
uint32_t max_flash_prog_size;
uint32_t protection_size;
+ uint32_t prog_base; /* base address for FTFx operations */
+ /* same as bank->base for pflash, differs for FlexNVM */
+ uint32_t protection_block; /* number of first protection block in this bank */
uint32_t sim_sdid;
uint32_t sim_fcfg1;
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, 1), reg, value);
if (retval != ERROR_OK) {
LOG_DEBUG("MDM: failed to queue a write request");
return retval;
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, 1), reg, result);
if (retval != ERROR_OK) {
LOG_DEBUG("MDM: failed to queue a read request");
return retval;
}
int retval;
- const uint8_t original_ap = dap->ap_current;
/*
* ... Power on the processor, or if power has already been
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;
if (retval != ERROR_OK)
return retval;
- if (jtag_get_reset_config() & RESET_HAS_SRST)
- adapter_deassert_reset();
+ if (jtag_get_reset_config() & RESET_HAS_SRST) {
+ /* halt MCU otherwise it loops in hard fault - WDOG reset cycle */
+ target->reset_halt = true;
+ target->type->assert_reset(target);
+ target->type->deassert_reset(target);
+ }
- dap_ap_select(dap, original_ap);
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
goto fail;
}
+ if ((val & (MDM_STAT_SYSSEC | MDM_STAT_CORE_HALTED)) == MDM_STAT_SYSSEC) {
+ LOG_WARNING("MDM: Secured MCU state detected however it may be a false alarm");
+ LOG_WARNING("MDM: Halting target to detect secured state reliably");
+
+ retval = target_halt(target);
+ if (retval == ERROR_OK)
+ retval = target_wait_state(target, TARGET_HALTED, 100);
+
+ if (retval != ERROR_OK) {
+ LOG_WARNING("MDM: Target not halted, trying reset halt");
+ target->reset_halt = true;
+ target->type->assert_reset(target);
+ target->type->deassert_reset(target);
+ }
+
+ /* re-read 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;
+ }
+ }
+
if (val & MDM_STAT_SYSSEC) {
jtag_poll_set_enabled(false);
jtag_poll_set_enabled(true);
}
- dap_ap_select(dap, origninal_ap);
-
return ERROR_OK;
fail:
return ERROR_OK;
}
+/* Disable the watchdog on Kinetis devices */
+int kinetis_disable_wdog(struct target *target, uint32_t sim_sdid)
+{
+ struct working_area *wdog_algorithm;
+ struct armv7m_algorithm armv7m_info;
+ uint16_t wdog;
+ int retval;
+
+ static const uint8_t kinetis_unlock_wdog_code[] = {
+ /* WDOG_UNLOCK = 0xC520 */
+ 0x4f, 0xf4, 0x00, 0x53, /* mov.w r3, #8192 ; 0x2000 */
+ 0xc4, 0xf2, 0x05, 0x03, /* movt r3, #16389 ; 0x4005 */
+ 0x4c, 0xf2, 0x20, 0x52, /* movw r2, #50464 ; 0xc520 */
+ 0xda, 0x81, /* strh r2, [r3, #14] */
+
+ /* WDOG_UNLOCK = 0xD928 */
+ 0x4f, 0xf4, 0x00, 0x53, /* mov.w r3, #8192 ; 0x2000 */
+ 0xc4, 0xf2, 0x05, 0x03, /* movt r3, #16389 ; 0x4005 */
+ 0x4d, 0xf6, 0x28, 0x12, /* movw r2, #55592 ; 0xd928 */
+ 0xda, 0x81, /* strh r2, [r3, #14] */
+
+ /* WDOG_SCR = 0x1d2 */
+ 0x4f, 0xf4, 0x00, 0x53, /* mov.w r3, #8192 ; 0x2000 */
+ 0xc4, 0xf2, 0x05, 0x03, /* movt r3, #16389 ; 0x4005 */
+ 0x4f, 0xf4, 0xe9, 0x72, /* mov.w r2, #466 ; 0x1d2 */
+ 0x1a, 0x80, /* strh r2, [r3, #0] */
+
+ /* END */
+ 0x00, 0xBE, /* bkpt #0 */
+ };
+
+ /* Decide whether the connected device needs watchdog disabling.
+ * Disable for all Kx devices, i.e., return if it is a KLx */
+
+ if ((sim_sdid & KINETIS_SDID_SERIESID_MASK) == KINETIS_SDID_SERIESID_KL)
+ return ERROR_OK;
+
+ /* The connected device requires watchdog disabling. */
+ retval = target_read_u16(target, WDOG_STCTRH, &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%x)", wdog);
+
+ if (target->state != TARGET_HALTED) {
+ LOG_ERROR("Target not halted");
+ return ERROR_TARGET_NOT_HALTED;
+ }
+
+ retval = target_alloc_working_area(target, sizeof(kinetis_unlock_wdog_code), &wdog_algorithm);
+ if (retval != ERROR_OK)
+ return retval;
+
+ retval = target_write_buffer(target, wdog_algorithm->address,
+ sizeof(kinetis_unlock_wdog_code), (uint8_t *)kinetis_unlock_wdog_code);
+ if (retval != ERROR_OK) {
+ target_free_working_area(target, wdog_algorithm);
+ return retval;
+ }
+
+ armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
+ armv7m_info.core_mode = ARM_MODE_THREAD;
+
+ retval = target_run_algorithm(target, 0, NULL, 0, NULL, wdog_algorithm->address,
+ wdog_algorithm->address + (sizeof(kinetis_unlock_wdog_code) - 2),
+ 10000, &armv7m_info);
+
+ if (retval != ERROR_OK)
+ LOG_ERROR("error executing kinetis wdog unlock algorithm");
+
+ retval = target_read_u16(target, WDOG_STCTRH, &wdog);
+ if (retval != ERROR_OK)
+ return retval;
+ LOG_INFO("WDOG_STCTRLH = 0x%x", wdog);
+
+ target_free_working_area(target, wdog_algorithm);
+
+ return retval;
+}
+
+COMMAND_HANDLER(kinetis_disable_wdog_handler)
+{
+ int result;
+ uint32_t sim_sdid;
+ struct target *target = get_current_target(CMD_CTX);
+
+ if (CMD_ARGC > 0)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ result = target_read_u32(target, SIM_SDID, &sim_sdid);
+ if (result != ERROR_OK) {
+ LOG_ERROR("Failed to read SIMSDID");
+ return result;
+ }
+
+ result = kinetis_disable_wdog(target, sim_sdid);
+ return result;
+}
+
+
/* Kinetis Program-LongWord Microcodes */
static const uint8_t kinetis_flash_write_code[] = {
/* Params:
uint32_t buffer_size = 2048; /* Default minimum value */
struct working_area *write_algorithm;
struct working_area *source;
- uint32_t address = bank->base + offset;
+ struct kinetis_flash_bank *kinfo = bank->driver_priv;
+ uint32_t address = kinfo->prog_base + offset;
struct reg_param reg_params[3];
struct armv7m_algorithm armv7m_info;
int retval = ERROR_OK;
static int kinetis_protect_check(struct flash_bank *bank)
{
struct kinetis_flash_bank *kinfo = bank->driver_priv;
+ int result;
+ int i, b;
+ uint32_t fprot, psec;
if (bank->target->state != TARGET_HALTED) {
LOG_ERROR("Target not halted");
}
if (kinfo->flash_class == FC_PFLASH) {
- int result;
uint8_t buffer[4];
- uint32_t fprot, psec;
- int i, b;
/* read protection register */
result = target_read_memory(bank->target, FTFx_FPROT3, 1, 4, buffer);
return result;
fprot = target_buffer_get_u32(bank->target, buffer);
+ /* Every bit protects 1/32 of the full flash (not necessarily just this bank) */
- /*
- * 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;
+ } else if (kinfo->flash_class == FC_FLEX_NVM) {
+ uint8_t fdprot;
- psec += bank->sectors[i].size;
+ /* read protection register */
+ result = target_read_memory(bank->target, FTFx_FDPROT, 1, 1, &fdprot);
+
+ if (result != ERROR_OK)
+ return result;
+
+ fprot = fdprot;
- if (psec >= kinfo->protection_size) {
- psec = 0;
- b++;
- }
- }
} else {
- LOG_ERROR("Protection checks for FlexNVM not yet supported");
+ LOG_ERROR("Protection checks for FlexRAM not supported");
return ERROR_FLASH_BANK_INVALID;
}
+ b = kinfo->protection_block;
+ 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;
+
+ psec += bank->sectors[i].size;
+
+ if (psec >= kinfo->protection_size) {
+ psec = 0;
+ b++;
+ }
+ }
+
return ERROR_OK;
}
static int kinetis_erase(struct flash_bank *bank, int first, int last)
{
int result, i;
+ struct kinetis_flash_bank *kinfo = bank->driver_priv;
if (bank->target->state != TARGET_HALTED) {
LOG_ERROR("Target not halted");
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,
+ result = kinetis_ftfx_command(bank, FTFx_CMD_SECTERASE, kinfo->prog_base + bank->sectors[i].offset,
0, 0, 0, 0, 0, 0, 0, 0, &ftfx_fstat);
if (result != ERROR_OK) {
unsigned residual_bc = (count-i) % prog_section_chunk_bytes;
/* number of complete words to copy directly from buffer */
- wc = (count - i) / 4;
+ wc = (count - i - residual_bc) / 4;
/* number of total sections to write, including residual */
section_count = DIV_ROUND_UP((count-i), prog_section_chunk_bytes);
}
/* execute section-write command */
- result = kinetis_ftfx_command(bank, FTFx_CMD_SECTWRITE, bank->base + offset + i,
+ result = kinetis_ftfx_command(bank, FTFx_CMD_SECTWRITE, kinfo->prog_base + offset + i,
section_count>>8, section_count, 0, 0,
0, 0, 0, 0, &ftfx_fstat);
uint32_t words_remaining = count / 4;
+ kinetis_disable_wdog(bank->target, kinfo->sim_sdid);
+
/* try using a block write */
int retval = kinetis_write_block(bank, buffer, offset, words_remaining);
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,
+ result = kinetis_ftfx_command(bank, FTFx_CMD_LWORDPROG, kinfo->prog_base + offset + i,
padding[3], padding[2], padding[1], padding[0],
0, 0, 0, 0, &ftfx_fstat);
{
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;
+ uint8_t fcfg1_nvmsize, fcfg1_pfsize, fcfg1_eesize, fcfg1_depart;
+ uint8_t fcfg2_pflsh;
+ uint32_t nvm_size = 0, pf_size = 0, df_size = 0, ee_size = 0;
unsigned num_blocks = 0, num_pflash_blocks = 0, num_nvm_blocks = 0, first_nvm_bank = 0,
- reassign = 0, pflash_sector_size_bytes = 0, nvm_sector_size_bytes = 0;
+ pflash_sector_size_bytes = 0, nvm_sector_size_bytes = 0;
struct target *target = bank->target;
struct kinetis_flash_bank *kinfo = bank->driver_priv;
+ kinfo->probed = false;
+
result = target_read_u32(target, SIM_SDID, &kinfo->sim_sdid);
if (result != ERROR_OK)
return result;
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_M72:
case KINETIS_K_SDID_K20_M72:
nvm_sector_size_bytes = 2<<10;
num_blocks = 2;
kinfo->flash_support = FS_PROGRAM_LONGWORD | FS_PROGRAM_SECTOR;
- kinfo->max_flash_prog_size = 2<<10;
break;
- case KINETIS_K_SDID_K10_M120:
- case KINETIS_K_SDID_K20_M120:
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;
+ num_blocks = 2;
+ kinfo->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 */
nvm_sector_size_bytes = 4<<10;
num_blocks = 4;
kinfo->flash_support = FS_PROGRAM_PHRASE | FS_PROGRAM_SECTOR;
- kinfo->max_flash_prog_size = 4<<10;
break;
default:
LOG_ERROR("Unsupported K-family FAMID");
- return ERROR_FLASH_OPER_UNSUPPORTED;
}
} 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_K0X | KINETIS_SDID_SUBFAMID_KX2:
+ /* K02FN64, K02FN128: FTFA, 2kB sectors */
+ pflash_sector_size_bytes = 2<<10;
+ num_blocks = 1;
+ kinfo->flash_support = FS_PROGRAM_LONGWORD;
+ 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;
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;
}
+ 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");
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;
+ 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 */
+ num_blocks = 2;
+ kinfo->flash_support = FS_PROGRAM_PHRASE | FS_PROGRAM_SECTOR;
kinfo->max_flash_prog_size = 1<<10;
break;
- default:
+
+ 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;
+ num_blocks = 2;
+ kinfo->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 */
+ 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;
+ break;
+ default:
+ LOG_ERROR("Unsupported Kinetis FAMILYID SUBFAMID");
}
break;
case KINETIS_SDID_SERIESID_KL:
nvm_sector_size_bytes = 1<<10;
num_blocks = 1;
kinfo->flash_support = FS_PROGRAM_LONGWORD;
- kinfo->max_flash_prog_size = 1<<10;
break;
default:
- break;
+ LOG_ERROR("Unsupported K-series");
}
}
if (pflash_sector_size_bytes == 0) {
- LOG_ERROR("MCU is unsupported");
+ LOG_ERROR("MCU is unsupported, SDID 0x%08" PRIx32, kinfo->sim_sdid);
return ERROR_FLASH_OPER_UNSUPPORTED;
}
result = target_read_u32(target, SIM_FCFG2, &kinfo->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);
+ fcfg1_depart = (uint8_t)((kinfo->sim_fcfg1 >> 8) & 0x0f);
+
+ fcfg2_pflsh = (uint8_t)((kinfo->sim_fcfg2 >> 23) & 0x01);
/* 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:
ee_size = 0;
break;
}
+
+ switch (fcfg1_depart) {
+ case 0x01:
+ case 0x02:
+ case 0x03:
+ case 0x04:
+ case 0x05:
+ case 0x06:
+ df_size = nvm_size - (4096 << fcfg1_depart);
+ break;
+ case 0x08:
+ df_size = 0;
+ break;
+ case 0x09:
+ case 0x0a:
+ case 0x0b:
+ case 0x0c:
+ case 0x0d:
+ df_size = 4096 << (fcfg1_depart & 0x7);
+ break;
+ default:
+ df_size = nvm_size;
+ break;
+ }
}
switch (fcfg1_pfsize) {
LOG_DEBUG("%d blocks total: %d PFlash, %d FlexNVM",
num_blocks, num_pflash_blocks, num_nvm_blocks);
- /*
- * 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;
-
- 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;
- }
-
- if (!reassign)
- return ERROR_OK;
+ LOG_INFO("Probing flash info for bank %d", bank->bank_number);
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->prog_base = bank->base;
kinfo->sector_size = pflash_sector_size_bytes;
kinfo->protection_size = pf_size / 32;
+ kinfo->protection_block = (32 / num_pflash_blocks) * bank->bank_number;
+
} else if ((unsigned)bank->bank_number < num_blocks) {
/* nvm, banks start at address 0x10000000 */
+ unsigned nvm_ord = bank->bank_number - first_nvm_bank;
+ uint32_t limit;
+
kinfo->flash_class = FC_FLEX_NVM;
bank->size = (nvm_size / num_nvm_blocks);
- bank->base = 0x10000000 + bank->size * (bank->bank_number - first_nvm_bank);
+ bank->base = 0x10000000 + bank->size * nvm_ord;
+ kinfo->prog_base = 0x00800000 + bank->size * nvm_ord;
kinfo->sector_size = nvm_sector_size_bytes;
- kinfo->protection_size = 0; /* FIXME: TODO: depends on DEPART bits, chip */
+ if (df_size == 0) {
+ kinfo->protection_size = 0;
+ } else {
+ for (i = df_size; ~i & 1; i >>= 1)
+ ;
+ if (i == 1)
+ kinfo->protection_size = df_size / 8; /* data flash size = 2^^n */
+ else
+ kinfo->protection_size = nvm_size / 8; /* TODO: verify on SF1, not documented in RM */
+ }
+ kinfo->protection_block = (8 / num_nvm_blocks) * nvm_ord;
+
+ /* EEPROM backup part of FlexNVM is not accessible, use df_size as a limit */
+ if (df_size > bank->size * nvm_ord)
+ limit = df_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",
+ bank->bank_number, limit);
+ }
+
} else if ((unsigned)bank->bank_number == num_blocks) {
LOG_ERROR("FlexRAM support not yet implemented");
return ERROR_FLASH_OPER_UNSUPPORTED;
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);
-
- 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 = malloc(sizeof(struct flash_sector) * bank->num_sectors);
+
+ 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;
+ }
}
+ kinfo->probed = true;
+
return ERROR_OK;
}
{
struct kinetis_flash_bank *kinfo = bank->driver_priv;
- if (kinfo->sim_sdid)
+ if (kinfo && kinfo->probed)
return ERROR_OK;
return kinetis_probe(bank);
return ERROR_TARGET_NOT_HALTED;
}
- if (kinfo->flash_class == FC_PFLASH) {
+ if (kinfo->flash_class == FC_PFLASH || kinfo->flash_class == FC_FLEX_NVM) {
int result;
+ bool block_dirty = false;
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 (kinfo->flash_class == FC_FLEX_NVM) {
+ uint8_t fcfg1_depart = (uint8_t)((kinfo->sim_fcfg1 >> 8) & 0x0f);
+ /* block operation cannot be used on FlexNVM when EEPROM backup partition is set */
+ if (fcfg1_depart != 0xf && fcfg1_depart != 0)
+ block_dirty = true;
+ }
- if (result != ERROR_OK)
- return result;
+ if (!block_dirty) {
+ /* check if whole bank is blank */
+ result = kinetis_ftfx_command(bank, FTFx_CMD_BLOCKSTAT, kinfo->prog_base,
+ 0, 0, 0, 0, 0, 0, 0, 0, &ftfx_fstat);
- if (ftfx_fstat & 0x01) {
+ if (result != ERROR_OK || (ftfx_fstat & 0x01))
+ block_dirty = true;
+ }
+
+ 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, FTFx_CMD_SECTSTAT, kinfo->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 = 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;
}
.usage = "",
.chain = kinetis_securtiy_command_handlers,
},
+ {
+ .name = "disable_wdog",
+ .mode = COMMAND_EXEC,
+ .help = "Disable the watchdog timer",
+ .usage = "",
+ .handler = kinetis_disable_wdog_handler,
+ },
COMMAND_REGISTRATION_DONE
};