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flash/stm32l4x: support STM32WBA6xx devices

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STM32WBA6xx support, based on ST Reference Manual RM0515 Rev 4.

Change-Id: I0ddeadd5008a9f81ec638c9ad230b2f6f0349b5a
Signed-off-by: Guillaume Faussard <guillaume.faussard@withings.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/9329
Reviewed-by: Ahmed Haoues <ahmed.haoues@st.com>
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
This commit is contained in:
Guillaume Faussard
2025-12-26 11:56:26 +01:00
committed by Antonio Borneo
parent b074fea079
commit df14f58662
3 changed files with 137 additions and 2 deletions
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32
src/flash/nor/stm32l4x.c
View File

@@ -287,7 +287,7 @@ struct stm32l4_wrp {
};
/* human readable list of families this drivers supports (sorted alphabetically) */
static const char *device_families = "STM32C0/G0/G4/L4/L4+/L5/U0/U3/U5/WB/WL";
static const char *device_families = "STM32C0/G0/G4/L4/L4+/L5/U0/U3/U5/WB/WBA/WL";
static const struct stm32l4_rev stm32l47_l48xx_revs[] = {
{ 0x1000, "1" }, { 0x1001, "2" }, { 0x1003, "3" }, { 0x1007, "4" }
@@ -400,6 +400,10 @@ static const struct stm32l4_rev stm32wba5x_revs[] = {
{ 0x1000, "A" },
};
static const struct stm32l4_rev stm32wba6x_revs[] = {
{ 0x1000, "A" }, { 0x1001, "Z" },
};
static const struct stm32l4_rev stm32wb1xx_revs[] = {
{ 0x1000, "A" }, { 0x2000, "B" },
};
@@ -758,6 +762,19 @@ static const struct stm32l4_part_info stm32l4_parts[] = {
.otp_base = 0x0BF90000,
.otp_size = 512,
},
{
.id = DEVID_STM32WBA6X,
.revs = stm32wba6x_revs,
.num_revs = ARRAY_SIZE(stm32wba6x_revs),
.device_str = "STM32WBA6x",
.max_flash_size_kb = 2048,
.flags = F_HAS_DUAL_BANK | F_QUAD_WORD_PROG | F_HAS_TZ
| F_HAS_L5_FLASH_REGS | F_WRP_HAS_LOCK,
.flash_regs_base = 0x40022000,
.fsize_addr = 0x0BFA07A0,
.otp_base = 0x0BFA0000,
.otp_size = 512,
},
{
.id = DEVID_STM32WB1XX,
.revs = stm32wb1xx_revs,
@@ -2210,10 +2227,21 @@ static int stm32l4_probe(struct flash_bank *bank)
}
break;
case DEVID_STM32WBA5X:
/* single bank flash */
case DEVID_STM32WBA6X:
/* according to RM0493 Rev 7, Chapter 7.3.1
* WBA5xx have 8K page size and are always
* single bank.
* According to RM0515 Rev 4, Chapter 7.3.1
* WBA6xx have 8K page size and are always
* DUAL BANK
*/
page_size_kb = 8;
num_pages = flash_size_kb / page_size_kb;
stm32l4_info->bank1_sectors = num_pages;
if (stm32l4_info->optr & FLASH_U5_DUALBANK) {
stm32l4_info->dual_bank_mode = true;
stm32l4_info->bank1_sectors = num_pages / 2;
}
break;
case DEVID_STM32WB5XX:
case DEVID_STM32WB3XX:

1
src/flash/nor/stm32l4x.h
View File

@@ -120,6 +120,7 @@
#define DEVID_STM32WB5XX 0x495
#define DEVID_STM32WB3XX 0x496
#define DEVID_STM32WLE_WL5XX 0x497
#define DEVID_STM32WBA6X 0x4B0
/* known Flash base addresses */
#define STM32_FLASH_BANK_BASE 0x08000000