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