Refs #1773. Disable ICache before updating flash memory.

git-svn-id: https://svn.code.sf.net/p/openblt/code/trunk@1048 5dc33758-31d5-4daf-9ae8-b24bf3d40d73

Target/Source/ARMCM33_STM32L5/flash.c

@@ -237,6 +237,8 @@ void FlashInit(void)
   /* init the flash block info structs by setting the address to an invalid address */
   blockInfo.base_addr = FLASH_INVALID_ADDRESS;
   bootBlockInfo.base_addr = FLASH_INVALID_ADDRESS;
+  /* make sure the instruction cache is disabled prior to updating cacheable memory. */
+  HAL_ICACHE_Disable();
 } /*** end of FlashInit ***/