arch/arm/cpu/armv7/s5pc1xx/cache.S

   1 /*
   2  * Copyright (C) 2009 Samsung Electronics
   3  * Minkyu Kang <mk7.kang@samsung.com>
   4  *
   5  * based on arch/arm/cpu/armv7/omap3/cache.S
   6  *
   7  * SPDX-License-Identifier:     GPL-2.0+
   8  */
   9
  10 .align 5
  11
  12 #include <linux/linkage.h>
  13
  14 #ifndef CONFIG_SYS_L2CACHE_OFF
  15 ENTRY(v7_outer_cache_enable)
  16         push    {r0, r1, r2, lr}
  17         mrc     15, 0, r3, cr1, cr0, 1
  18         orr     r3, r3, #2
  19         mcr     15, 0, r3, cr1, cr0, 1
  20         pop     {r1, r2, r3, pc}
  21 ENDPROC(v7_outer_cache_enable)
  22
  23 ENTRY(v7_outer_cache_disable)
  24         push    {r0, r1, r2, lr}
  25         mrc     15, 0, r3, cr1, cr0, 1
  26         bic     r3, r3, #2
  27         mcr     15, 0, r3, cr1, cr0, 1
  28         pop     {r1, r2, r3, pc}
  29 ENDPROC(v7_outer_cache_disable)
  30 #endif