}
int stlink_erase_flash_mass(stlink_t *sl) {
- /* wait for ongoing op to finish */
- wait_flash_busy(sl);
-
- /* unlock if locked */
- unlock_flash_if(sl);
-
- /* set the mass erase bit */
- set_flash_cr_mer(sl);
-
- /* start erase operation, reset by hw with bsy bit */
- set_flash_cr_strt(sl);
-
- /* wait for completion */
- wait_flash_busy(sl);
-
- /* relock the flash */
- lock_flash(sl);
-
- /* todo: verify the erased memory */
-
+ if (sl->chip_id == STM32_CHIPID_F4) {
+ DLOG("(FIXME) Mass erase of STM32F4\n");
+ }
+ else if (sl->chip_id == STM32_CHIPID_L1_MEDIUM) {
+ /* erase each page */
+ int i = 0, num_pages = sl->flash_size/sl->flash_pgsz;
+ for (i = 0; i < num_pages; i++) {
+ /* addr must be an addr inside the page */
+ stm32_addr_t addr = sl->flash_base + i * sl->flash_pgsz;
+ if (stlink_erase_flash_page(sl, addr) == -1) {
+ WLOG("Failed to erase_flash_page(%#zx) == -1\n", addr);
+ return -1;
+ }
+ fprintf(stdout,"\rFlash page at %5d/%5d erased", i, num_pages);
+ fflush(stdout);
+ }
+ fprintf(stdout, "\n");
+ }
+ else {
+ /* wait for ongoing op to finish */
+ wait_flash_busy(sl);
+
+ /* unlock if locked */
+ unlock_flash_if(sl);
+
+ /* set the mass erase bit */
+ set_flash_cr_mer(sl);
+
+ /* start erase operation, reset by hw with bsy bit */
+ set_flash_cr_strt(sl);
+
+ /* wait for completion */
+ wait_flash_busy(sl);
+
+ /* relock the flash */
+ lock_flash(sl);
+
+ /* todo: verify the erased memory */
+ }
return 0;
}
unsigned int count;
uint32_t val;
flash_loader_t fl;
-
+
ILOG("Starting Half page flash write for STM32L core id\n");
/* flash loader initialization */
if (init_flash_loader(sl, &fl) == -1) {
while ((stlink_read_debug32(sl, STM32L_FLASH_SR) & (1 << 0)) != 0) {
}
}
- fprintf(stdout, "\n");
val = stlink_read_debug32(sl, STM32L_FLASH_PECR);
val &= ~(1 << FLASH_L1_PROG);
stlink_write_debug32(sl, STM32L_FLASH_PECR, val);
fprintf(stderr, "pecr.prglock not clear\n");
return -1;
}
+ off = 0;
if (len > L1_WRITE_BLOCK_SIZE) {
if (stm32l1_write_half_pages(sl, addr, base, len/L1_WRITE_BLOCK_SIZE) == -1){
+ /* This may happen on a blank device! */
WLOG("\nwrite_half_pages failed == -1\n");
- return -1;
- }
- }
+ }
+ else{
+ off = (len /L1_WRITE_BLOCK_SIZE)*L1_WRITE_BLOCK_SIZE;
+ }
+ }
/* write remainingword in program memory */
- for (off = (len /L1_WRITE_BLOCK_SIZE)*L1_WRITE_BLOCK_SIZE; off < len; off += sizeof(uint32_t)) {
+ for ( ; off < len; off += sizeof(uint32_t)) {
uint32_t data;
+ if (off > 254)
+ fprintf(stdout, "\r");
+
+ if ((off % sl->flash_pgsz) > (sl->flash_pgsz -5)) {
+ fprintf(stdout, "\r%3u/%u pages written",
+ off/sl->flash_pgsz, len/sl->flash_pgsz);
+ fflush(stdout);
+ }
+
write_uint32((unsigned char*) &data, *(uint32_t*) (base + off));
stlink_write_debug32(sl, addr + off, data);
stlink_run(sl);
/* wait until done (reaches breakpoint) */
- while ((is_core_halted(sl) == 0) && (i <10000))
+ while ((is_core_halted(sl) == 0) && (i <1000))
{
i++;
}
- if ( i > 9999) {
+ if ( i > 999) {
fprintf(stderr, "run error\n");
return -1;
}