arch/arm/cpu/armv7/cp15.c

   1 /*
   2  * (C) Copyright 2015 Texas Insturments
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 /*
   8  * CP15 specific code
   9  */
  10
  11 #include <common.h>
  12 #include <command.h>
  13 #include <asm/system.h>
  14 #include <asm/cache.h>
  15 #include <asm/armv7.h>
  16 #include <linux/compiler.h>
  17
  18 void __weak v7_arch_cp15_set_l2aux_ctrl(u32 l2actlr, u32 cpu_midr,
  19                                      u32 cpu_rev_comb, u32 cpu_variant,
  20                                      u32 cpu_rev)
  21 {
  22         asm volatile ("mcr p15, 1, %0, c15, c0, 0\n\t" : : "r"(l2actlr));
  23 }
  24
  25 void __weak v7_arch_cp15_set_acr(u32 acr, u32 cpu_midr, u32 cpu_rev_comb,
  26                                  u32 cpu_variant, u32 cpu_rev)
  27 {
  28         asm volatile ("mcr p15, 0, %0, c1, c0, 1\n\t" : : "r"(acr));
  29 }