diff options
| author | Tarek BOCHKATI <tarek.bouchkati@gmail.com> | 2021-09-02 12:03:59 +0100 |
|---|---|---|
| committer | Oleksij Rempel <linux@rempel-privat.de> | 2021-09-18 18:15:15 +0000 |
| commit | a1903f2867037ada39ab814658e1034eb96d1827 (patch) | |
| tree | e2073a9ddfd0bf26ff65d1161c3066bbd05d780a /src/flash | |
| parent | 050fcb176071cadc7142c4d9acd3f5a9e67d3ac6 (diff) | |
| download | riscv-openocd-a1903f2867037ada39ab814658e1034eb96d1827.zip riscv-openocd-a1903f2867037ada39ab814658e1034eb96d1827.tar.gz riscv-openocd-a1903f2867037ada39ab814658e1034eb96d1827.tar.bz2 | |
flash/stm32l4x: fix dual bank support for STM32L552xC devices
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>
Diffstat (limited to 'src/flash')
| -rw-r--r-- | src/flash/nor/stm32l4x.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/flash/nor/stm32l4x.c b/src/flash/nor/stm32l4x.c index 0182aae..8c292e7 100644 --- a/src/flash/nor/stm32l4x.c +++ b/src/flash/nor/stm32l4x.c @@ -1923,15 +1923,17 @@ static int stm32l4_probe(struct flash_bank *bank) /* 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; |