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From cf67cdf51d779d70171d5fa0288bfce91338570d Mon Sep 17 00:00:00 2001
From: Konrad Beckmann <konrad.beckmann@gmail.com>
Date: Fri, 6 Aug 2021 11:04:51 +0200
Subject: [PATCH] Extend bank1 and enable bank2 of STM32H7B0VBTx
---
src/flash/nor/stm32h7x.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/src/flash/nor/stm32h7x.c b/src/flash/nor/stm32h7x.c
index 5c71d31f0..f731a0ab1 100644
--- a/src/flash/nor/stm32h7x.c
+++ b/src/flash/nor/stm32h7x.c
@@ -830,6 +830,12 @@ static int stm32x_probe(struct flash_bank *bank)
return ERROR_FAIL;
}
+ if (stm32x_info->idcode == 0x10016480) {
+ // Special case for STM32H7B0VBTx
+ has_dual_bank = true;
+ flash_size_in_kb = 256;
+ }
+
if (has_dual_bank) {
LOG_INFO("STM32H7 flash has dual banks");
if (bank->base != bank1_base && bank->base != bank2_base) {
@@ -841,8 +847,8 @@ static int stm32x_probe(struct flash_bank *bank)
} else {
LOG_INFO("STM32H7 flash has a single bank");
if (bank->base == bank2_base) {
- LOG_ERROR("this device has a single bank only");
- return ERROR_FAIL;
+ LOG_WARNING("the second bank of this device is undocumented");
+ has_dual_bank = true;
} else if (bank->base != bank1_base) {
LOG_ERROR("STM32H7 flash bank base address config is incorrect. "
TARGET_ADDR_FMT " but should be 0x%" PRIx32,
--
2.32.0
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