armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
armv7m_info.core_mode = ARM_MODE_THREAD;
- init_reg_param(®_params[0], "r0", 32, PARAM_IN_OUT); /* buffer start, status (out) */
+ /* contrib/loaders/flash/stm32/stm32l4x.c:write() arguments */
+ init_reg_param(®_params[0], "r0", 32, PARAM_IN_OUT); /* stm32l4_work_area ptr , status (out) */
init_reg_param(®_params[1], "r1", 32, PARAM_OUT); /* buffer end */
init_reg_param(®_params[2], "r2", 32, PARAM_OUT); /* target address */
init_reg_param(®_params[3], "r3", 32, PARAM_OUT); /* count (of stm32l4_info->data_width) */
- init_reg_param(®_params[4], "sp", 32, PARAM_OUT); /* write algo stack pointer */
buf_set_u32(reg_params[0].value, 0, 32, source->address);
buf_set_u32(reg_params[1].value, 0, 32, source->address + source->size);
buf_set_u32(reg_params[2].value, 0, 32, address);
buf_set_u32(reg_params[3].value, 0, 32, count);
+
+ /* write algo stack pointer */
+ init_reg_param(®_params[4], "sp", 32, PARAM_OUT);
buf_set_u32(reg_params[4].value, 0, 32, source->address +
offsetof(struct stm32l4_work_area, stack) + LDR_STACK_SIZE);
/* STM32L55/L56xx can be single/dual bank:
* if size = 512K check DBANK bit
* if size = 256K check DB256K bit
+ *
+ * default page size is 4kb, if DBANK = 1, the page size is 2kb.
*/
- page_size_kb = 4;
+
+ page_size_kb = (stm32l4_info->optr & FLASH_L5_DBANK) ? 2 : 4;
num_pages = flash_size_kb / page_size_kb;
stm32l4_info->bank1_sectors = num_pages;
+
if ((is_max_flash_size && (stm32l4_info->optr & FLASH_L5_DBANK)) ||
(!is_max_flash_size && (stm32l4_info->optr & FLASH_L5_DB256))) {
stm32l4_info->dual_bank_mode = true;
- page_size_kb = 2;
- num_pages = flash_size_kb / page_size_kb;
stm32l4_info->bank1_sectors = num_pages / 2;
}
break;