From 7d61acebd81166af9f5c8c39bee84d79c221b013 Mon Sep 17 00:00:00 2001 From: mlu Date: Wed, 29 Apr 2009 21:08:39 +0000 Subject: [PATCH] Clear FLASH_SR error flags after flash errors to avoid reset befor further flash operations. git-svn-id: svn://svn.berlios.de/openocd/trunk@1571 b42882b7-edfa-0310-969c-e2dbd0fdcd60 --- src/flash/stm32x.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/src/flash/stm32x.c b/src/flash/stm32x.c index 2fa49c89..8b872391 100644 --- a/src/flash/stm32x.c +++ b/src/flash/stm32x.c @@ -120,6 +120,7 @@ static u32 stm32x_get_flash_status(flash_bank_t *bank) static u32 stm32x_wait_status_busy(flash_bank_t *bank, int timeout) { + target_t *target = bank->target; u32 status; /* wait for busy to clear */ @@ -128,7 +129,11 @@ static u32 stm32x_wait_status_busy(flash_bank_t *bank, int timeout) LOG_DEBUG("status: 0x%x", status); alive_sleep(1); } - + /* Clear but report errors */ + if (status & (FLASH_WRPRTERR|FLASH_PGERR)) + { + target_write_u32(target, STM32_FLASH_SR, FLASH_WRPRTERR|FLASH_PGERR); + } return status; } @@ -568,6 +573,8 @@ static int stm32x_write_block(struct flash_bank_s *bank, u8 *buffer, u32 offset, if (buf_get_u32(reg_params[3].value, 0, 32) & FLASH_PGERR) { LOG_ERROR("flash memory not erased before writing"); + /* Clear but report errors */ + target_write_u32(target, STM32_FLASH_SR, FLASH_PGERR); retval = ERROR_FLASH_OPERATION_FAILED; break; } @@ -575,6 +582,8 @@ static int stm32x_write_block(struct flash_bank_s *bank, u8 *buffer, u32 offset, if (buf_get_u32(reg_params[3].value, 0, 32) & FLASH_WRPRTERR) { LOG_ERROR("flash memory write protected"); + /* Clear but report errors */ + target_write_u32(target, STM32_FLASH_SR, FLASH_WRPRTERR); retval = ERROR_FLASH_OPERATION_FAILED; break; } -- 2.39.5