lib_blackfin/cache.c

   1 /*
   2  * U-boot - cache.c
   3  *
   4  * Copyright (c) 2005-2008 Analog Devices Inc.
   5  *
   6  * (C) Copyright 2000-2004
   7  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   8  *
   9  * Licensed under the GPL-2 or later.
  10  */
  11
  12 #include <common.h>
  13 #include <asm/blackfin.h>
  14
  15 void flush_cache(unsigned long addr, unsigned long size)
  16 {
  17         /* no need to flush stuff in on chip memory (L1/L2/etc...) */
  18         if (addr >= 0xE0000000)
  19                 return;
  20
  21         if (icache_status())
  22                 blackfin_icache_flush_range((void *)addr, (void *)(addr + size));
  23
  24         if (dcache_status())
  25                 blackfin_dcache_flush_range((void *)addr, (void *)(addr + size));
  26 }