}
static inline uint32_t read_flash_cr(stlink_t *sl) {
- uint32_t res;
- if ((sl->chip_id == STM32_CHIPID_F2) || (sl->chip_id == STM32_CHIPID_F4) ||(sl->chip_id == STM32_CHIPID_F4_DE) ||
- (sl->chip_id == STM32_CHIPID_F4_LP) || (sl->chip_id == STM32_CHIPID_F4_HD) || (sl->chip_id == STM32_CHIPID_F411RE) ||
- (sl->chip_id == STM32_CHIPID_F446) || (sl->chip_id == STM32_CHIPID_F7) || (sl->chip_id == STM32_CHIPID_F4_DSI))
- stlink_read_debug32(sl, FLASH_F4_CR, &res);
- else if (sl->chip_id == STM32_CHIPID_L4)
- stlink_read_debug32(sl, STM32L4_FLASH_CR, &res);
+ uint32_t reg, res;
+
+ if (sl->flash_type == FLASH_TYPE_F4)
+ reg = FLASH_F4_CR;
+ else if (sl->flash_type == FLASH_TYPE_L4)
+ reg = STM32L4_FLASH_CR;
else
- stlink_read_debug32(sl, FLASH_CR, &res);
+ reg = FLASH_CR;
+
+ stlink_read_debug32(sl, reg, &res);
+
#if DEBUG_FLASH
fprintf(stdout, "CR:0x%x\n", res);
#endif
static inline unsigned int is_flash_locked(stlink_t *sl) {
/* return non zero for true */
- uint32_t cr = read_flash_cr(sl);
+ uint32_t cr_lock_shift, cr = read_flash_cr(sl);
- if ((sl->chip_id == STM32_CHIPID_F2) || (sl->chip_id == STM32_CHIPID_F4) || (sl->chip_id == STM32_CHIPID_F4_DE) ||
- (sl->chip_id == STM32_CHIPID_F4_LP) || (sl->chip_id == STM32_CHIPID_F4_HD) || (sl->chip_id == STM32_CHIPID_F411RE) ||
- (sl->chip_id == STM32_CHIPID_F446) || (sl->chip_id == STM32_CHIPID_F7) || (sl->chip_id == STM32_CHIPID_F4_DSI))
- return cr & (1 << FLASH_F4_CR_LOCK);
- else if (sl->chip_id == STM32_CHIPID_L4)
- return cr & (1lu << STM32L4_FLASH_CR_LOCK);
+ if (sl->flash_type == FLASH_TYPE_F4)
+ cr_lock_shift = FLASH_F4_CR_LOCK;
+ else if (sl->flash_type == FLASH_TYPE_L4)
+ cr_lock_shift = STM32L4_FLASH_CR_LOCK;
else
- return cr & (1 << FLASH_CR_LOCK);
+ cr_lock_shift = FLASH_CR_LOCK;
+
+ return cr & (1 << cr_lock_shift);
}
static void unlock_flash(stlink_t *sl) {
+ uint32_t key_reg;
/* the unlock sequence consists of 2 write cycles where
2 key values are written to the FLASH_KEYR register.
an invalid sequence results in a definitive lock of
the FPEC block until next reset.
*/
- if ((sl->chip_id == STM32_CHIPID_F2) || (sl->chip_id == STM32_CHIPID_F4) || (sl->chip_id == STM32_CHIPID_F4_DE) ||
- (sl->chip_id == STM32_CHIPID_F4_LP) || (sl->chip_id == STM32_CHIPID_F4_HD) || (sl->chip_id == STM32_CHIPID_F411RE) ||
- (sl->chip_id == STM32_CHIPID_F446) || (sl->chip_id == STM32_CHIPID_F7) || (sl->chip_id == STM32_CHIPID_F4_DSI)) {
- stlink_write_debug32(sl, FLASH_F4_KEYR, FLASH_KEY1);
- stlink_write_debug32(sl, FLASH_F4_KEYR, FLASH_KEY2);
- } else if (sl->chip_id == STM32_CHIPID_L4) {
- stlink_write_debug32(sl, STM32L4_FLASH_KEYR, FLASH_KEY1);
- stlink_write_debug32(sl, STM32L4_FLASH_KEYR, FLASH_KEY2);
- } else {
- stlink_write_debug32(sl, FLASH_KEYR, FLASH_KEY1);
- stlink_write_debug32(sl, FLASH_KEYR, FLASH_KEY2);
- }
+ if (sl->flash_type == FLASH_TYPE_F4)
+ key_reg = FLASH_F4_KEYR;
+ else if (sl->flash_type == FLASH_TYPE_L4)
+ key_reg = STM32L4_FLASH_KEYR;
+ else
+ key_reg = FLASH_KEYR;
+ stlink_write_debug32(sl, key_reg, FLASH_KEY1);
+ stlink_write_debug32(sl, key_reg, FLASH_KEY2);
}
static int unlock_flash_if(stlink_t *sl) {
}
static void lock_flash(stlink_t *sl) {
- if ((sl->chip_id == STM32_CHIPID_F2) || (sl->chip_id == STM32_CHIPID_F4) || (sl->chip_id == STM32_CHIPID_F4_DE) ||
- (sl->chip_id == STM32_CHIPID_F4_LP) || (sl->chip_id == STM32_CHIPID_F4_HD) || (sl->chip_id == STM32_CHIPID_F411RE) ||
- (sl->chip_id == STM32_CHIPID_F446) || (sl->chip_id == STM32_CHIPID_F7) || (sl->chip_id == STM32_CHIPID_F4_DSI)) {
- const uint32_t n = read_flash_cr(sl) | (1 << FLASH_F4_CR_LOCK);
- stlink_write_debug32(sl, FLASH_F4_CR, n);
- } else if (sl->chip_id == STM32_CHIPID_L4) {
- const uint32_t n = read_flash_cr(sl) | (1lu << STM32L4_FLASH_CR_LOCK);
- stlink_write_debug32(sl, STM32L4_FLASH_CR, n);
+ uint32_t cr_lock_shift, cr_reg, n;
+
+ if (sl->flash_type == FLASH_TYPE_F4) {
+ cr_reg = FLASH_F4_CR;
+ cr_lock_shift = STM32L4_FLASH_CR_LOCK;
+ } else if (sl->flash_type == FLASH_TYPE_L4) {
+ cr_reg = STM32L4_FLASH_CR;
+ cr_lock_shift = STM32L4_FLASH_CR_LOCK;
} else {
- /* write to 1 only. reset by hw at unlock sequence */
- const uint32_t n = read_flash_cr(sl) | (1 << FLASH_CR_LOCK);
- stlink_write_debug32(sl, FLASH_CR, n);
+ cr_reg = FLASH_CR;
+ cr_lock_shift = FLASH_CR_LOCK;
}
+
+ n = read_flash_cr(sl) | (1 << cr_lock_shift);
+ stlink_write_debug32(sl, cr_reg, n);
}
static void set_flash_cr_pg(stlink_t *sl) {
- if ((sl->chip_id == STM32_CHIPID_F2) || (sl->chip_id == STM32_CHIPID_F4) || (sl->chip_id == STM32_CHIPID_F4_DE) ||
- (sl->chip_id == STM32_CHIPID_F4_LP) || (sl->chip_id == STM32_CHIPID_F4_HD) || (sl->chip_id == STM32_CHIPID_F411RE) ||
- (sl->chip_id == STM32_CHIPID_F446) || (sl->chip_id == STM32_CHIPID_F7) || (sl->chip_id == STM32_CHIPID_F4_DSI)) {
- uint32_t x = read_flash_cr(sl);
- x |= (1 << FLASH_CR_PG);
- stlink_write_debug32(sl, FLASH_F4_CR, x);
- } else if (sl->chip_id == STM32_CHIPID_L4) {
- uint32_t x = read_flash_cr(sl);
- x &=~ STM32L4_FLASH_CR_OPBITS;
- x |= (1 << STM32L4_FLASH_CR_PG);
- stlink_write_debug32(sl, STM32L4_FLASH_CR, x);
+ uint32_t cr_reg, x;
+
+ x = read_flash_cr(sl);
+
+ if (sl->flash_type == FLASH_TYPE_F4) {
+ cr_reg = FLASH_F4_CR;
+ x |= 1 << FLASH_CR_PG;
+ } else if (sl->flash_type == FLASH_TYPE_L4) {
+ cr_reg = STM32L4_FLASH_CR;
+ x &= ~STM32L4_FLASH_CR_OPBITS;
+ x |= 1 << STM32L4_FLASH_CR_PG;
} else {
- const uint32_t n = 1 << FLASH_CR_PG;
- stlink_write_debug32(sl, FLASH_CR, n);
+ cr_reg = FLASH_CR;
+ x = 1 << FLASH_CR_PG;
}
+
+ stlink_write_debug32(sl, cr_reg, x);
}
static void __attribute__((unused)) clear_flash_cr_pg(stlink_t *sl) {
- const uint32_t n = read_flash_cr(sl) & ~(1 << FLASH_CR_PG);
- if ((sl->chip_id == STM32_CHIPID_F2) || (sl->chip_id == STM32_CHIPID_F4) || (sl->chip_id == STM32_CHIPID_F4_DE) ||
- (sl->chip_id == STM32_CHIPID_F4_LP) || (sl->chip_id == STM32_CHIPID_F4_HD) || (sl->chip_id == STM32_CHIPID_F411RE) ||
- (sl->chip_id == STM32_CHIPID_F446) || (sl->chip_id == STM32_CHIPID_F7) || (sl->chip_id == STM32_CHIPID_F4_DSI))
- stlink_write_debug32(sl, FLASH_F4_CR, n);
+ uint32_t cr_reg, n;
+
+ if (sl->flash_type == FLASH_TYPE_F4)
+ cr_reg = FLASH_F4_CR;
+ else if (sl->flash_type == FLASH_TYPE_L4)
+ cr_reg = STM32L4_FLASH_CR;
else
- stlink_write_debug32(sl, FLASH_CR, n);
+ cr_reg = FLASH_CR;
+
+ n = read_flash_cr(sl) & ~(1 << FLASH_CR_PG);
+ stlink_write_debug32(sl, cr_reg, n);
}
static void set_flash_cr_per(stlink_t *sl) {
}
static void set_flash_cr_mer(stlink_t *sl) {
- uint32_t val;
- if ((sl->chip_id == STM32_CHIPID_F2) || (sl->chip_id == STM32_CHIPID_F4) || (sl->chip_id == STM32_CHIPID_F4_DE) ||
- (sl->chip_id == STM32_CHIPID_F4_LP) || (sl->chip_id == STM32_CHIPID_F4_HD) || (sl->chip_id == STM32_CHIPID_F411RE) ||
- (sl->chip_id == STM32_CHIPID_F446) || (sl->chip_id == STM32_CHIPID_F7) || (sl->chip_id == STM32_CHIPID_F4_DSI)) {
- stlink_read_debug32(sl, FLASH_F4_CR, &val);
- val |= 1 << FLASH_CR_MER;
- stlink_write_debug32(sl, FLASH_F4_CR, val);
- } else if (sl->chip_id == STM32_CHIPID_L4) {
- stlink_read_debug32(sl, STM32L4_FLASH_CR, &val);
- val &=~ STM32L4_FLASH_CR_OPBITS;
- val |= (1lu << STM32L4_FLASH_CR_MER1) | (1lu << STM32L4_FLASH_CR_MER2);
- stlink_write_debug32(sl, STM32L4_FLASH_CR, val);
+ uint32_t val, cr_reg, cr_mer;
+
+ if (sl->flash_type == FLASH_TYPE_F4) {
+ cr_reg = FLASH_F4_CR;
+ cr_mer = 1 << FLASH_CR_MER;
+ } else if (sl->flash_type == FLASH_TYPE_L4) {
+ cr_reg = STM32L4_FLASH_CR;
+ cr_mer = (1 << STM32L4_FLASH_CR_MER1) | (1 << STM32L4_FLASH_CR_MER2);
} else {
- stlink_read_debug32(sl, FLASH_CR, &val);
- val |= 1 << FLASH_CR_MER;
- stlink_write_debug32(sl, FLASH_CR, val);
+ cr_reg = FLASH_CR;
+ cr_mer = 1 << FLASH_CR_MER;
}
+
+ stlink_read_debug32(sl, cr_reg, &val);
+ val |= cr_mer;
+ stlink_write_debug32(sl, cr_reg, val);
}
static void __attribute__((unused)) clear_flash_cr_mer(stlink_t *sl) {
- uint32_t val;
- if ((sl->chip_id == STM32_CHIPID_F2) || (sl->chip_id == STM32_CHIPID_F4) || (sl->chip_id == STM32_CHIPID_F4_DE) ||
- (sl->chip_id == STM32_CHIPID_F4_LP) || (sl->chip_id == STM32_CHIPID_F4_HD) || (sl->chip_id == STM32_CHIPID_F411RE) ||
- (sl->chip_id == STM32_CHIPID_F446) || (sl->chip_id == STM32_CHIPID_F7) || (sl->chip_id == STM32_CHIPID_F4_DSI)) {
- stlink_read_debug32(sl, FLASH_F4_CR, &val);
- val &= ~(1 << FLASH_CR_MER);
- stlink_write_debug32(sl, FLASH_F4_CR, val);
+ uint32_t val, cr_reg, cr_mer;
+
+ if (sl->flash_type == FLASH_TYPE_F4) {
+ cr_reg = FLASH_F4_CR;
+ cr_mer = 1 << FLASH_CR_MER;
+ } else if (sl->flash_type == FLASH_TYPE_L4) {
+ cr_reg = STM32L4_FLASH_CR;
+ cr_mer = (1 << STM32L4_FLASH_CR_MER1) | (1 << STM32L4_FLASH_CR_MER2);
} else {
- stlink_read_debug32(sl, FLASH_CR, &val);
- val &= ~(1 << FLASH_CR_MER);
- stlink_write_debug32(sl, FLASH_CR, val);
+ cr_reg = FLASH_CR;
+ cr_mer = 1 << FLASH_CR_MER;
}
+
+ stlink_read_debug32(sl, cr_reg, &val);
+ val &= ~cr_mer;
+ stlink_write_debug32(sl, cr_reg, val);
}
static void set_flash_cr_strt(stlink_t *sl) {
- uint32_t val;
- if ((sl->chip_id == STM32_CHIPID_F2) || (sl->chip_id == STM32_CHIPID_F4) || (sl->chip_id == STM32_CHIPID_F4_DE) ||
- (sl->chip_id == STM32_CHIPID_F4_LP) || (sl->chip_id == STM32_CHIPID_F4_HD) || (sl->chip_id == STM32_CHIPID_F411RE) ||
- (sl->chip_id == STM32_CHIPID_F446) || (sl->chip_id == STM32_CHIPID_F7) || (sl->chip_id == STM32_CHIPID_F4_DSI)) {
- val = read_flash_cr(sl);
- val |= (1 << FLASH_F4_CR_STRT);
- stlink_write_debug32(sl, FLASH_F4_CR, val);
- } else if (sl->chip_id == STM32_CHIPID_L4) {
- val = read_flash_cr(sl);
- val |= (1lu << STM32L4_FLASH_CR_STRT);
- stlink_write_debug32(sl, STM32L4_FLASH_CR, val);
+ uint32_t val, cr_reg, cr_strt;
+
+ if (sl->flash_type == FLASH_TYPE_F4) {
+ cr_reg = FLASH_F4_CR;
+ cr_strt = 1 << FLASH_F4_CR_STRT;
+ } else if (sl->flash_type == FLASH_TYPE_L4) {
+ cr_reg = STM32L4_FLASH_CR;
+ cr_strt = 1 << STM32L4_FLASH_CR_STRT;
} else {
- stlink_read_debug32(sl, FLASH_CR, &val);
- val |= 1 << FLASH_CR_STRT;
- stlink_write_debug32(sl, FLASH_CR, val);
+ cr_reg = FLASH_CR;
+ cr_strt = 1 << FLASH_CR_STRT;
}
+
+ stlink_read_debug32(sl, cr_reg, &val);
+ val |= cr_strt;
+ stlink_write_debug32(sl, cr_reg, val);
}
static inline uint32_t read_flash_acr(stlink_t *sl) {
}
static inline uint32_t read_flash_sr(stlink_t *sl) {
- uint32_t res;
- if ((sl->chip_id == STM32_CHIPID_F2) || (sl->chip_id == STM32_CHIPID_F4) || (sl->chip_id == STM32_CHIPID_F4_DE) ||
- (sl->chip_id == STM32_CHIPID_F4_LP) || (sl->chip_id == STM32_CHIPID_F4_HD) || (sl->chip_id == STM32_CHIPID_F411RE) ||
- (sl->chip_id == STM32_CHIPID_F446) || (sl->chip_id == STM32_CHIPID_F7) || (sl->chip_id == STM32_CHIPID_F4_DSI))
- stlink_read_debug32(sl, FLASH_F4_SR, &res);
- else if (sl->chip_id == STM32_CHIPID_L4)
- stlink_read_debug32(sl, STM32L4_FLASH_SR, &res);
+ uint32_t res, sr_reg;
+
+ if (sl->flash_type == FLASH_TYPE_F4)
+ sr_reg = FLASH_F4_SR;
+ else if (sl->flash_type == FLASH_TYPE_L4)
+ sr_reg = STM32L4_FLASH_SR;
else
- stlink_read_debug32(sl, FLASH_SR, &res);
- //fprintf(stdout, "SR:0x%x\n", *(uint32_t*) sl->q_buf);
+ sr_reg = FLASH_SR;
+
+ stlink_read_debug32(sl, sr_reg, &res);
+
return res;
}
static inline unsigned int is_flash_busy(stlink_t *sl) {
- if ((sl->chip_id == STM32_CHIPID_F2) || (sl->chip_id == STM32_CHIPID_F4) || (sl->chip_id == STM32_CHIPID_F4_DE) ||
- (sl->chip_id == STM32_CHIPID_F4_LP) || (sl->chip_id == STM32_CHIPID_F4_HD) || (sl->chip_id == STM32_CHIPID_F411RE) ||
- (sl->chip_id == STM32_CHIPID_F446) || (sl->chip_id == STM32_CHIPID_F7) || (sl->chip_id == STM32_CHIPID_F4_DSI))
- return read_flash_sr(sl) & (1 << FLASH_F4_SR_BSY);
- else if (sl->chip_id == STM32_CHIPID_L4)
- return read_flash_sr(sl) & (1 << STM32L4_FLASH_SR_BSY);
+ uint32_t sr_busy_shift;
+
+ if (sl->flash_type == FLASH_TYPE_F4)
+ sr_busy_shift = FLASH_F4_SR_BSY;
+ else if (sl->flash_type == FLASH_TYPE_L4)
+ sr_busy_shift = STM32L4_FLASH_SR_BSY;
else
- return read_flash_sr(sl) & (1 << FLASH_SR_BSY);
+ sr_busy_shift = FLASH_SR_BSY;
+
+ return read_flash_sr(sl) & (1 << sr_busy_shift);
}
static void wait_flash_busy(stlink_t *sl) {
free(sl);
}
-void stlink_exit_debug_mode(stlink_t *sl) {
+int stlink_exit_debug_mode(stlink_t *sl) {
+ int ret;
+
DLOG("*** stlink_exit_debug_mode ***\n");
- stlink_write_debug32(sl, DHCSR, DBGKEY);
- sl->backend->exit_debug_mode(sl);
+ ret = stlink_write_debug32(sl, DHCSR, DBGKEY);
+ if (ret == -1)
+ return ret;
+
+ return sl->backend->exit_debug_mode(sl);
}
-void stlink_enter_swd_mode(stlink_t *sl) {
+int stlink_enter_swd_mode(stlink_t *sl) {
DLOG("*** stlink_enter_swd_mode ***\n");
- sl->backend->enter_swd_mode(sl);
+ return sl->backend->enter_swd_mode(sl);
}
// Force the core into the debug mode -> halted state.
-void stlink_force_debug(stlink_t *sl) {
+int stlink_force_debug(stlink_t *sl) {
DLOG("*** stlink_force_debug_mode ***\n");
- sl->backend->force_debug(sl);
+ return sl->backend->force_debug(sl);
}
-void stlink_exit_dfu_mode(stlink_t *sl) {
+int stlink_exit_dfu_mode(stlink_t *sl) {
DLOG("*** stlink_exit_dfu_mode ***\n");
- sl->backend->exit_dfu_mode(sl);
+ return sl->backend->exit_dfu_mode(sl);
}
-void stlink_core_id(stlink_t *sl) {
+int stlink_core_id(stlink_t *sl) {
+ int ret;
+
DLOG("*** stlink_core_id ***\n");
- sl->backend->core_id(sl);
+ ret = sl->backend->core_id(sl);
+ if (ret == -1) {
+ ELOG("Failed to read core_id\n");
+ return ret;
+ }
if (sl->verbose > 2)
stlink_print_data(sl);
DLOG("core_id = 0x%08x\n", sl->core_id);
- return;
+ return ret;
}
-uint32_t stlink_chip_id(stlink_t *sl) {
- uint32_t chip_id;
- stlink_read_debug32(sl, 0xE0042000, &chip_id);
+int stlink_chip_id(stlink_t *sl, uint32_t *chip_id) {
+ int ret;
+
+ ret = stlink_read_debug32(sl, 0xE0042000, chip_id);
+ if (ret == -1)
+ return ret;
+
if (chip_id == 0)
- stlink_read_debug32(sl, 0x40015800, &chip_id); //Try Corex M0 DBGMCU_IDCODE register address
- return chip_id;
+ ret = stlink_read_debug32(sl, 0x40015800, chip_id); //Try Corex M0 DBGMCU_IDCODE register address
+
+ return ret;
}
/**
* @param sl stlink context
* @param cpuid pointer to the result object
*/
-void stlink_cpu_id(stlink_t *sl, cortex_m3_cpuid_t *cpuid) {
+int stlink_cpu_id(stlink_t *sl, cortex_m3_cpuid_t *cpuid) {
uint32_t raw;
- stlink_read_debug32(sl, CM3_REG_CPUID, &raw);
+
+ if (stlink_read_debug32(sl, CM3_REG_CPUID, &raw))
+ return -1;
+
cpuid->implementer_id = (raw >> 24) & 0x7f;
cpuid->variant = (raw >> 20) & 0xf;
cpuid->part = (raw >> 4) & 0xfff;
cpuid->revision = raw & 0xf;
- return;
+ return 0;
}
/**
ILOG("Loading device parameters....\n");
const chip_params_t *params = NULL;
stlink_core_id(sl);
- uint32_t chip_id = stlink_chip_id(sl);
+ uint32_t chip_id;
uint32_t flash_size;
+ stlink_chip_id(sl, &chip_id);
sl->chip_id = chip_id & 0xfff;
/* Fix chip_id for F4 rev A errata , Read CPU ID, as CoreID is the same for F2/F4*/
if (sl->chip_id == 0x411) {
} else {
sl->flash_size = flash_size * 1024;
}
+ sl->flash_type = params->flash_type;
sl->flash_pgsz = params->flash_pagesize;
sl->sram_size = params->sram_size;
sl->sys_base = params->bootrom_base;
return 0;
}
-void stlink_reset(stlink_t *sl) {
+int stlink_reset(stlink_t *sl) {
DLOG("*** stlink_reset ***\n");
- sl->backend->reset(sl);
+ return sl->backend->reset(sl);
}
-void stlink_jtag_reset(stlink_t *sl, int value) {
+int stlink_jtag_reset(stlink_t *sl, int value) {
DLOG("*** stlink_jtag_reset ***\n");
- sl->backend->jtag_reset(sl, value);
+ return sl->backend->jtag_reset(sl, value);
}
-void stlink_run(stlink_t *sl) {
+int stlink_run(stlink_t *sl) {
DLOG("*** stlink_run ***\n");
- sl->backend->run(sl);
+ return sl->backend->run(sl);
}
-void stlink_status(stlink_t *sl) {
+int stlink_status(stlink_t *sl) {
+ int ret;
+
DLOG("*** stlink_status ***\n");
- sl->backend->status(sl);
+ ret = sl->backend->status(sl);
stlink_core_stat(sl);
+
+ return ret;
}
/**
return;
}
-void stlink_version(stlink_t *sl) {
+int stlink_version(stlink_t *sl) {
DLOG("*** looking up stlink version\n");
- sl->backend->version(sl);
+ if (sl->backend->version(sl))
+ return -1;
+
_parse_version(sl, &sl->version);
DLOG("st vid = 0x%04x (expect 0x%04x)\n", sl->version.st_vid, USB_ST_VID);
if (sl->version.swim_v == 0) {
DLOG(" notice: the firmware doesn't support a swim interface\n");
}
+
+ return -1;
}
int stlink_target_voltage(stlink_t *sl) {
return voltage;
}
-void stlink_read_debug32(stlink_t *sl, uint32_t addr, uint32_t *data) {
- sl->backend->read_debug32(sl, addr, data);
- DLOG("*** stlink_read_debug32 %x is %#x\n", data, addr);
- return;
+int stlink_read_debug32(stlink_t *sl, uint32_t addr, uint32_t *data) {
+ int ret;
+
+ ret = sl->backend->read_debug32(sl, addr, data);
+ if (!ret)
+ DLOG("*** stlink_read_debug32 %x is %#x\n", data, addr);
+
+ return ret;
}
-void stlink_write_debug32(stlink_t *sl, uint32_t addr, uint32_t data) {
+int stlink_write_debug32(stlink_t *sl, uint32_t addr, uint32_t data) {
DLOG("*** stlink_write_debug32 %x to %#x\n", data, addr);
- sl->backend->write_debug32(sl, addr, data);
+ return sl->backend->write_debug32(sl, addr, data);
}
-void stlink_write_mem32(stlink_t *sl, uint32_t addr, uint16_t len) {
+int stlink_write_mem32(stlink_t *sl, uint32_t addr, uint16_t len) {
DLOG("*** stlink_write_mem32 %u bytes to %#x\n", len, addr);
if (len % 4 != 0) {
fprintf(stderr, "Error: Data length doesn't have a 32 bit alignment: +%d byte.\n", len % 4);
abort();
}
- sl->backend->write_mem32(sl, addr, len);
+ return sl->backend->write_mem32(sl, addr, len);
}
-void stlink_read_mem32(stlink_t *sl, uint32_t addr, uint16_t len) {
+int stlink_read_mem32(stlink_t *sl, uint32_t addr, uint16_t len) {
DLOG("*** stlink_read_mem32 ***\n");
if (len % 4 != 0) { // !!! never ever: fw gives just wrong values
fprintf(stderr, "Error: Data length doesn't have a 32 bit alignment: +%d byte.\n",
len % 4);
abort();
}
- sl->backend->read_mem32(sl, addr, len);
+ return sl->backend->read_mem32(sl, addr, len);
}
-void stlink_write_mem8(stlink_t *sl, uint32_t addr, uint16_t len) {
+int stlink_write_mem8(stlink_t *sl, uint32_t addr, uint16_t len) {
DLOG("*** stlink_write_mem8 ***\n");
if (len > 0x40 ) { // !!! never ever: Writing more then 0x40 bytes gives unexpected behaviour
fprintf(stderr, "Error: Data length > 64: +%d byte.\n",
len);
abort();
}
- sl->backend->write_mem8(sl, addr, len);
+ return sl->backend->write_mem8(sl, addr, len);
}
-void stlink_read_all_regs(stlink_t *sl, reg *regp) {
+int stlink_read_all_regs(stlink_t *sl, reg *regp) {
DLOG("*** stlink_read_all_regs ***\n");
- sl->backend->read_all_regs(sl, regp);
+ return sl->backend->read_all_regs(sl, regp);
}
-void stlink_read_all_unsupported_regs(stlink_t *sl, reg *regp) {
+int stlink_read_all_unsupported_regs(stlink_t *sl, reg *regp) {
DLOG("*** stlink_read_all_unsupported_regs ***\n");
- sl->backend->read_all_unsupported_regs(sl, regp);
+ return sl->backend->read_all_unsupported_regs(sl, regp);
}
-void stlink_write_reg(stlink_t *sl, uint32_t reg, int idx) {
+int stlink_write_reg(stlink_t *sl, uint32_t reg, int idx) {
DLOG("*** stlink_write_reg\n");
- sl->backend->write_reg(sl, reg, idx);
+ return sl->backend->write_reg(sl, reg, idx);
}
-void stlink_read_reg(stlink_t *sl, int r_idx, reg *regp) {
+int stlink_read_reg(stlink_t *sl, int r_idx, reg *regp) {
DLOG("*** stlink_read_reg\n");
DLOG(" (%d) ***\n", r_idx);
if (r_idx > 20 || r_idx < 0) {
fprintf(stderr, "Error: register index must be in [0..20]\n");
- return;
+ return -1;
}
- sl->backend->read_reg(sl, r_idx, regp);
+ return sl->backend->read_reg(sl, r_idx, regp);
}
-void stlink_read_unsupported_reg(stlink_t *sl, int r_idx, reg *regp) {
+int stlink_read_unsupported_reg(stlink_t *sl, int r_idx, reg *regp) {
int r_convert;
DLOG("*** stlink_read_unsupported_reg\n");
r_convert = 0x40 + (r_idx - 0x20);
} else {
fprintf(stderr, "Error: register address must be in [0x1C..0x40]\n");
- return;
+ return -1;
}
- sl->backend->read_unsupported_reg(sl, r_convert, regp);
+ return sl->backend->read_unsupported_reg(sl, r_convert, regp);
}
-void stlink_write_unsupported_reg(stlink_t *sl, uint32_t val, int r_idx, reg *regp) {
+int stlink_write_unsupported_reg(stlink_t *sl, uint32_t val, int r_idx, reg *regp) {
int r_convert;
DLOG("*** stlink_write_unsupported_reg\n");
r_convert = 0x40 + (r_idx - 0x20);
} else {
fprintf(stderr, "Error: register address must be in [0x1C..0x40]\n");
- return;
+ return -1;
}
- sl->backend->write_unsupported_reg(sl, val, r_convert, regp);
+ return sl->backend->write_unsupported_reg(sl, val, r_convert, regp);
}
unsigned int is_core_halted(stlink_t *sl) {
return sl->q_buf[0] == STLINK_CORE_HALTED;
}
-void stlink_step(stlink_t *sl) {
+int stlink_step(stlink_t *sl) {
DLOG("*** stlink_step ***\n");
- sl->backend->step(sl);
+ return sl->backend->step(sl);
}
int stlink_current_mode(stlink_t *sl) {
*/
int stlink_erase_flash_page(stlink_t *sl, stm32_addr_t flashaddr)
{
- if ((sl->chip_id == STM32_CHIPID_F2) || (sl->chip_id == STM32_CHIPID_F4) || (sl->chip_id == STM32_CHIPID_F4_DE) ||
- (sl->chip_id == STM32_CHIPID_F4_LP) || (sl->chip_id == STM32_CHIPID_F4_HD) || (sl->chip_id == STM32_CHIPID_F411RE) ||
- (sl->chip_id == STM32_CHIPID_F446) || (sl->chip_id == STM32_CHIPID_F7) || (sl->chip_id == STM32_CHIPID_L4)|| (sl->chip_id == STM32_CHIPID_F4_DSI)) {
+ if (sl->flash_type == FLASH_TYPE_F4 || sl->flash_type == FLASH_TYPE_L4) {
/* wait for ongoing op to finish */
wait_flash_busy(sl);
#if DEBUG_FLASH
fprintf(stdout, "Erase Final CR:0x%x\n", read_flash_cr(sl));
#endif
- } else if (sl->chip_id == STM32_CHIPID_L1_MEDIUM || sl->chip_id == STM32_CHIPID_L1_CAT2
- || sl->chip_id == STM32_CHIPID_L1_MEDIUM_PLUS || sl->chip_id == STM32_CHIPID_L1_HIGH
- || sl->chip_id == STM32_CHIPID_L152_RE || sl->chip_id == STM32_CHIPID_L0) {
+ } else if (sl->flash_type == FLASH_TYPE_L0) {
uint32_t val;
uint32_t flash_regs_base;
stlink_read_debug32(sl, flash_regs_base + FLASH_PECR_OFF, &val);
val |= (1 << 0) | (1 << 1) | (1 << 2);
stlink_write_debug32(sl, flash_regs_base + FLASH_PECR_OFF, val);
- } else if (sl->core_id == STM32VL_CORE_ID
- || sl->core_id == STM32F0_CORE_ID
- || sl->chip_id == STM32_CHIPID_F3
- || sl->chip_id == STM32_CHIPID_F3_SMALL
- || sl->chip_id == STM32_CHIPID_F303_HIGH
- || sl->chip_id == STM32_CHIPID_F37x
- || sl->chip_id == STM32_CHIPID_F334) {
+ } else if (sl->flash_type == FLASH_TYPE_F0) {
/* wait for ongoing op to finish */
wait_flash_busy(sl);
}
int stlink_erase_flash_mass(stlink_t *sl) {
- if (sl->chip_id == STM32_CHIPID_L1_MEDIUM || sl->chip_id == STM32_CHIPID_L1_CAT2
- || sl->chip_id == STM32_CHIPID_L1_MEDIUM_PLUS || sl->chip_id == STM32_CHIPID_L1_HIGH
- || sl->chip_id == STM32_CHIPID_L152_RE || sl->chip_id == STM32_CHIPID_L0) {
+ if (sl->flash_type == FLASH_TYPE_L0) {
/* erase each page */
int i = 0, num_pages = sl->flash_size/sl->flash_pgsz;
for (i = 0; i < num_pages; i++) {
if (eraseonly)
return 0;
- if ((sl->chip_id == STM32_CHIPID_F2) ||
- (sl->chip_id == STM32_CHIPID_F4) ||
- (sl->chip_id == STM32_CHIPID_F4_DE) ||
- (sl->chip_id == STM32_CHIPID_F4_LP) ||
- (sl->chip_id == STM32_CHIPID_F4_HD) ||
- (sl->chip_id == STM32_CHIPID_F411RE) ||
- (sl->chip_id == STM32_CHIPID_F446) ||
- (sl->chip_id == STM32_CHIPID_F7) ||
- (sl->chip_id == STM32_CHIPID_L4) ||
- (sl->chip_id == STM32_CHIPID_F4_DSI)) {
+ if ((sl->flash_type == FLASH_TYPE_F4) || (sl->flash_type == FLASH_TYPE_L4)) {
/* todo: check write operation */
ILOG("Starting Flash write for F2/F4/L4\n");
} //STM32F4END
- else if (sl->chip_id == STM32_CHIPID_L1_MEDIUM || sl->chip_id == STM32_CHIPID_L1_CAT2
- || sl->chip_id == STM32_CHIPID_L1_MEDIUM_PLUS || sl->chip_id == STM32_CHIPID_L1_HIGH
- || sl->chip_id == STM32_CHIPID_L152_RE || sl->chip_id == STM32_CHIPID_L0) {
+ else if (sl->flash_type == FLASH_TYPE_L0) {
/* use fast word write. todo: half page. */
uint32_t val;
uint32_t flash_regs_base;
stlink_read_debug32(sl, flash_regs_base + FLASH_PECR_OFF, &val);
val |= (1 << 0) | (1 << 1) | (1 << 2);
stlink_write_debug32(sl, flash_regs_base + FLASH_PECR_OFF, val);
- } else if (sl->core_id == STM32VL_CORE_ID ||
- sl->core_id == STM32F0_CORE_ID ||
- sl->chip_id == STM32_CHIPID_F3 ||
- sl->chip_id == STM32_CHIPID_F3_SMALL ||
- sl->chip_id == STM32_CHIPID_F303_HIGH ||
- sl->chip_id == STM32_CHIPID_F334 ||
- sl->chip_id == STM32_CHIPID_F37x) {
+ } else if (sl->flash_type == FLASH_TYPE_F0) {
ILOG("Starting Flash write for VL/F0/F3 core id\n");
/* flash loader initialization */
if (init_flash_loader(sl, &fl) == -1) {
/* write the file in flash at addr */
int err;
unsigned int num_empty, index, val;
- unsigned char erased_pattern = (sl->chip_id == STM32_CHIPID_L1_MEDIUM || sl->chip_id == STM32_CHIPID_L1_CAT2
- || sl->chip_id == STM32_CHIPID_L1_MEDIUM_PLUS || sl->chip_id == STM32_CHIPID_L1_HIGH
- || sl->chip_id == STM32_CHIPID_L152_RE) ? 0:0xff;
+ unsigned char erased_pattern;
mapped_file_t mf = MAPPED_FILE_INITIALIZER;
+
if (map_file(&mf, path) == -1) {
ELOG("map_file() == -1\n");
return -1;
}
+
+ if (sl->flash_type == FLASH_TYPE_L0)
+ erased_pattern = 0x00;
+ else
+ erased_pattern = 0xff;
+
index = mf.len;
for(num_empty = 0; num_empty != mf.len; ++num_empty) {
if (mf.base[--index] != erased_pattern) {
int run_flash_loader(stlink_t *sl, flash_loader_t* fl, stm32_addr_t target, const uint8_t* buf, size_t size) {
reg rr;
- int i = 0;
+ int target_reg, source_reg, i = 0;
+ size_t count;
+
DLOG("Running flash loader, write address:%#x, size: %zd\n", target, size);
// FIXME This can never return -1
if (write_buffer_to_sram(sl, fl, buf, size) == -1) {
return -1;
}
- if (sl->chip_id == STM32_CHIPID_L1_MEDIUM || sl->chip_id == STM32_CHIPID_L1_CAT2
- || sl->chip_id == STM32_CHIPID_L1_MEDIUM_PLUS || sl->chip_id == STM32_CHIPID_L1_HIGH
- || sl->chip_id == STM32_CHIPID_L152_RE || sl->chip_id == STM32_CHIPID_L0) {
-
- size_t count = size / sizeof(uint32_t);
- if (size % sizeof(uint32_t)) ++count;
-
- /* setup core */
- stlink_write_reg(sl, target, 0); /* target */
- stlink_write_reg(sl, fl->buf_addr, 1); /* source */
- stlink_write_reg(sl, count, 2); /* count (32 bits words) */
- stlink_write_reg(sl, fl->loader_addr, 15); /* pc register */
-
- } else if (sl->core_id == STM32VL_CORE_ID ||
- sl->core_id == STM32F0_CORE_ID ||
- sl->chip_id == STM32_CHIPID_F3 ||
- sl->chip_id == STM32_CHIPID_F3_SMALL ||
- sl->chip_id == STM32_CHIPID_F303_HIGH ||
- sl->chip_id == STM32_CHIPID_F37x ||
- sl->chip_id == STM32_CHIPID_F334) {
-
- size_t count = size / sizeof(uint16_t);
- if (size % sizeof(uint16_t)) ++count;
-
- /* setup core */
- stlink_write_reg(sl, fl->buf_addr, 0); /* source */
- stlink_write_reg(sl, target, 1); /* target */
- stlink_write_reg(sl, count, 2); /* count (16 bits half words) */
- stlink_write_reg(sl, 0, 3); /* flash bank 0 (input) */
- stlink_write_reg(sl, fl->loader_addr, 15); /* pc register */
-
- } else if (sl->chip_id == STM32_CHIPID_F2 || sl->chip_id == STM32_CHIPID_F4 || (sl->chip_id == STM32_CHIPID_F4_DE) ||
- sl->chip_id == STM32_CHIPID_F4_LP || sl->chip_id == STM32_CHIPID_F4_HD || (sl->chip_id == STM32_CHIPID_F411RE) ||
- (sl->chip_id == STM32_CHIPID_F446) || (sl->chip_id == STM32_CHIPID_F7) || (sl->chip_id == STM32_CHIPID_L4) || (sl->chip_id == STM32_CHIPID_F4_DSI)) {
-
- size_t count = size / sizeof(uint32_t);
- if (size % sizeof(uint32_t)) ++count;
+ if (sl->flash_type == FLASH_TYPE_L0) {
+ count = size / sizeof(uint32_t);
+ if (size % sizeof(uint32_t))
+ ++count;
+ target_reg = 0;
+ source_reg = 1;
+ } else if (sl->flash_type == FLASH_TYPE_F0) {
+ count = size / sizeof(uint16_t);
+ if (size % sizeof(uint16_t))
+ ++count;
+ target_reg = 1;
+ source_reg = 0;
+ } else if (sl->flash_type == FLASH_TYPE_F4 || sl->flash_type == FLASH_TYPE_L4) {
+ count = size / sizeof(uint32_t);
+ if (size % sizeof(uint32_t))
+ ++count;
if (sl->chip_id == STM32_CHIPID_L4) {
- if (count % 2) ++count;
+ if (count % 2)
+ ++count;
}
-
- /* setup core */
- stlink_write_reg(sl, fl->buf_addr, 0); /* source */
- stlink_write_reg(sl, target, 1); /* target */
- stlink_write_reg(sl, count, 2); /* count (32 bits words) */
- stlink_write_reg(sl, fl->loader_addr, 15); /* pc register */
-
+ target_reg = 1;
+ source_reg = 0;
} else {
fprintf(stderr, "unknown coreid 0x%x, don't know what flash loader to use\n", sl->core_id);
return -1;
}
+ /* setup core */
+ stlink_write_reg(sl, fl->buf_addr, source_reg); /* source */
+ stlink_write_reg(sl, target, target_reg); /* target */
+ stlink_write_reg(sl, count, 2); /* count */
+ stlink_write_reg(sl, 0, 3); /* flash bank 0 (input), only used on F0, but armless fopr others */
+ stlink_write_reg(sl, fl->loader_addr, 15); /* pc register */
+
/* run loader */
stlink_run(sl);
return -1;
}
- /* check written byte count */
- if (sl->chip_id == STM32_CHIPID_L1_MEDIUM || sl->chip_id == STM32_CHIPID_L1_CAT2
- || sl->chip_id == STM32_CHIPID_L1_MEDIUM_PLUS || sl->chip_id == STM32_CHIPID_L1_HIGH
- || sl->chip_id == STM32_CHIPID_L152_RE || sl->chip_id == STM32_CHIPID_L0) {
-
- size_t count = size / sizeof(uint32_t);
- if (size % sizeof(uint32_t)) ++count;
+ stlink_read_all_regs(sl, &rr);
- stlink_read_reg(sl, 3, &rr);
+ /* check written byte count */
+ if (sl->flash_type == FLASH_TYPE_L0) {
if (rr.r[3] != count) {
fprintf(stderr, "write error, count == %u\n", rr.r[3]);
return -1;
}
-
- } else if (sl->core_id == STM32VL_CORE_ID ||
- sl->core_id == STM32F0_CORE_ID ||
- sl->chip_id == STM32_CHIPID_F3 ||
- sl->chip_id == STM32_CHIPID_F3_SMALL ||
- sl->chip_id == STM32_CHIPID_F303_HIGH ||
- sl->chip_id == STM32_CHIPID_F37x ||
- sl->chip_id == STM32_CHIPID_F334) {
-
- stlink_read_reg(sl, 2, &rr);
- if (rr.r[2] != 0) {
- fprintf(stderr, "write error, count == %u\n", rr.r[2]);
- return -1;
- }
-
- } else if (sl->chip_id == STM32_CHIPID_F2 || sl->chip_id == STM32_CHIPID_F4 || (sl->chip_id == STM32_CHIPID_F4_DE) ||
- sl->chip_id == STM32_CHIPID_F4_LP || sl->chip_id == STM32_CHIPID_F4_HD || (sl->chip_id == STM32_CHIPID_F411RE) ||
- (sl->chip_id == STM32_CHIPID_F446) || (sl->chip_id == STM32_CHIPID_F7) || (sl->chip_id == STM32_CHIPID_L4) ||
- (sl->chip_id == STM32_CHIPID_F4_DSI)) {
-
- stlink_read_reg(sl, 2, &rr);
+ } else {
if (rr.r[2] != 0) {
fprintf(stderr, "write error, count == %u\n", rr.r[2]);
return -1;
}
-
- } else {
-
- fprintf(stderr, "unknown coreid 0x%x, can't check written byte count\n", sl->core_id);
- return -1;
-
}
return 0;
projects / fw / stlink / blobdiff