1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright (C) 2014 Samsung Electronics
3*4882a593Smuzhiyun * Minkyu Kang <mk7.kang@samsung.com>
4*4882a593Smuzhiyun * Robert Baldyga <r.baldyga@samsung.com>
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun * based on arch/arm/cpu/armv7/omap3/cache.S
7*4882a593Smuzhiyun *
8*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
9*4882a593Smuzhiyun */
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun #include <common.h>
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun #ifndef CONFIG_SYS_DCACHE_OFF
enable_caches(void)14*4882a593Smuzhiyun void enable_caches(void)
15*4882a593Smuzhiyun {
16*4882a593Smuzhiyun dcache_enable();
17*4882a593Smuzhiyun }
18*4882a593Smuzhiyun
disable_caches(void)19*4882a593Smuzhiyun void disable_caches(void)
20*4882a593Smuzhiyun {
21*4882a593Smuzhiyun dcache_disable();
22*4882a593Smuzhiyun }
23*4882a593Smuzhiyun #endif
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun #ifndef CONFIG_SYS_L2CACHE_OFF
v7_outer_cache_enable(void)26*4882a593Smuzhiyun void v7_outer_cache_enable(void)
27*4882a593Smuzhiyun {
28*4882a593Smuzhiyun __asm(
29*4882a593Smuzhiyun "push {r0, r1, r2, lr}\n\t"
30*4882a593Smuzhiyun "mrc 15, 0, r3, cr1, cr0, 1\n\t"
31*4882a593Smuzhiyun "orr r3, r3, #2\n\t"
32*4882a593Smuzhiyun "mcr 15, 0, r3, cr1, cr0, 1\n\t"
33*4882a593Smuzhiyun "pop {r1, r2, r3, pc}"
34*4882a593Smuzhiyun );
35*4882a593Smuzhiyun }
36*4882a593Smuzhiyun
v7_outer_cache_disable(void)37*4882a593Smuzhiyun void v7_outer_cache_disable(void)
38*4882a593Smuzhiyun {
39*4882a593Smuzhiyun __asm(
40*4882a593Smuzhiyun "push {r0, r1, r2, lr}\n\t"
41*4882a593Smuzhiyun "mrc 15, 0, r3, cr1, cr0, 1\n\t"
42*4882a593Smuzhiyun "bic r3, r3, #2\n\t"
43*4882a593Smuzhiyun "mcr 15, 0, r3, cr1, cr0, 1\n\t"
44*4882a593Smuzhiyun "pop {r1, r2, r3, pc}"
45*4882a593Smuzhiyun );
46*4882a593Smuzhiyun }
47*4882a593Smuzhiyun #endif
48