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jerzy pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/mynewt-core.git
The following commit(s) were added to refs/heads/master by this push:
new a93815156 mcu/stm32u5: Fix flash write
a93815156 is described below
commit a93815156445d8eaa0867a3df5eba466108f9623
Author: Jerzy Kasenberg <[email protected]>
AuthorDate: Thu Jul 6 08:39:48 2023 +0200
mcu/stm32u5: Fix flash write
STM32U5 devices require quad writes (128 bits).
64 bits writes result in error so write size is extended.
Signed-off-by: Jerzy Kasenberg <[email protected]>
---
hw/mcu/stm/stm32_common/src/hal_flash.c | 2 ++
hw/mcu/stm/stm32u5xx/syscfg.yml | 2 +-
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/hw/mcu/stm/stm32_common/src/hal_flash.c
b/hw/mcu/stm/stm32_common/src/hal_flash.c
index d7e32c928..f5dc80c9f 100644
--- a/hw/mcu/stm/stm32_common/src/hal_flash.c
+++ b/hw/mcu/stm/stm32_common/src/hal_flash.c
@@ -100,6 +100,8 @@ stm32_flash_write_linear(const struct hal_flash *dev,
uint32_t address,
num_words = ((num_bytes - 1) >> 2) + 1;
#elif MYNEWT_VAL(MCU_FLASH_MIN_WRITE_SIZE) == 8
num_words = ((num_bytes - 1) >> 3) + 1;
+#elif MYNEWT_VAL(MCU_FLASH_MIN_WRITE_SIZE) == 16
+ num_words = ((num_bytes - 1) >> 4) + 1;
#else
#error "Unsupported MCU_FLASH_MIN_WRITE_SIZE"
#endif
diff --git a/hw/mcu/stm/stm32u5xx/syscfg.yml b/hw/mcu/stm/stm32u5xx/syscfg.yml
index 5dd68c53a..4d3c3c305 100644
--- a/hw/mcu/stm/stm32u5xx/syscfg.yml
+++ b/hw/mcu/stm/stm32u5xx/syscfg.yml
@@ -21,7 +21,7 @@ syscfg.defs:
description: >
Specifies the required alignment for internal flash writes.
Used internally by the newt tool.
- value: 8
+ value: 16
MCU_STM32U5:
description: MCUs are of STM32U5xx family
