For STM32L552xC devices with 256K flash:
dual bank mode is activated if DB256 is set
page size is 2KB if DBANK is set
For parts with 512K (aka STM32L5x2xE):
DBANK controls both of dual/single bank mode and page size as well.
Change-Id: I8be668d5552fefe81acffaf2e3e35ef5e938162e
Signed-off-by: Tarek BOCHKATI <tarek.bouchkati@gmail.com>
Reported-by: Patrik Bachan <diggit@users.sourceforge.net>
Fixes: https://sourceforge.net/p/openocd/tickets/317/
Reviewed-on: https://review.openocd.org/c/openocd/+/6538
Tested-by: jenkins
Reviewed-by: Oleksij Rempel <linux@rempel-privat.de>
/* STM32L55/L56xx can be single/dual bank:
* if size = 512K check DBANK bit
* if size = 256K check DB256K bit
/* 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 = (stm32l4_info->optr & FLASH_L5_DBANK) ? 2 : 4;
num_pages = flash_size_kb / page_size_kb;
stm32l4_info->bank1_sectors = num_pages;
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;
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;
stm32l4_info->bank1_sectors = num_pages / 2;
}
break;