arch/blackfin/mach-common/cache-c.c

   1 /*
   2  * Blackfin cache control code (simpler control-style functions)
   3  *
   4  * Copyright 2004-2008 Analog Devices Inc.
   5  *
   6  * Enter bugs at http://blackfin.uclinux.org/
   7  *
   8  * Licensed under the GPL-2 or later.
   9  */
  10
  11 #include <asm/blackfin.h>
  12
  13 /* Invalidate the Entire Data cache by
  14  * clearing DMC[1:0] bits
  15  */
  16 void blackfin_invalidate_entire_dcache(void)
  17 {
  18         u32 dmem = bfin_read_DMEM_CONTROL();
  19         SSYNC();
  20         bfin_write_DMEM_CONTROL(dmem & ~0xc);
  21         SSYNC();
  22         bfin_write_DMEM_CONTROL(dmem);
  23         SSYNC();
  24 }