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authorStefano Babic <sbabic@denx.de>2015-11-12 17:13:26 +0100
committerStefano Babic <sbabic@denx.de>2015-11-12 17:13:26 +0100
commit5f5620ab2679608f94b3a77e51c77d0a770103bd (patch)
treeec983c06d2f62384909968bb870add121b8a1502 /arch/arm/cpu/armv7m/stm32f4
parent78e9ca52edaab74ad645d719676ff4c24d2f462c (diff)
parent038be18fd95aa6283eafb85ceabc0b880976424b (diff)
Merge git://git.denx.de/u-boot
Diffstat (limited to 'arch/arm/cpu/armv7m/stm32f4')
-rw-r--r--arch/arm/cpu/armv7m/stm32f4/flash.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/arm/cpu/armv7m/stm32f4/flash.c b/arch/arm/cpu/armv7m/stm32f4/flash.c
index e5c6111330..dd058bd643 100644
--- a/arch/arm/cpu/armv7m/stm32f4/flash.c
+++ b/arch/arm/cpu/armv7m/stm32f4/flash.c
@@ -97,6 +97,9 @@ int flash_erase(flash_info_t *info, int first, int last)
while (readl(&STM32_FLASH->sr) & STM32_FLASH_SR_BSY)
;
+ /* clear old sector number before writing a new one */
+ clrbits_le32(&STM32_FLASH->cr, STM32_FLASH_CR_SNB_MASK);
+
if (bank == 0) {
setbits_le32(&STM32_FLASH->cr,
(i << STM32_FLASH_CR_SNB_OFFSET));
@@ -114,9 +117,9 @@ int flash_erase(flash_info_t *info, int first, int last)
;
clrbits_le32(&STM32_FLASH->cr, STM32_FLASH_CR_SER);
- stm32f4_flash_lock(1);
}
+ stm32f4_flash_lock(1);
return 0;
}