arch/arm/mach-at91/arm926ejs/cache.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * (C) Copyright 2016
   4  * Heiko Schocher, DENX Software Engineering, hs@denx.de.
   5  */
   6 #include <linux/types.h>
   7 #include <common.h>
   8
   9 void enable_caches(void)
  10 {
  11 #ifndef CONFIG_SYS_ICACHE_OFF
  12         icache_enable();
  13 #endif
  14 }
  15
  16 #ifndef CONFIG_SYS_ICACHE_OFF
  17 /* Invalidate entire I-cache and branch predictor array */
  18 void invalidate_icache_all(void)
  19 {
  20         unsigned long i = 0;
  21
  22         asm ("mcr p15, 0, %0, c7, c5, 0" : : "r" (i));
  23 }
  24 #else
  25 void invalidate_icache_all(void)
  26 {
  27 }
  28 #endif