1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Copyright (C) ASPEED Technology Inc. 4 * Chia-Wei Wang <chiawei_wang@aspeedtech.com> 5 */ 6 7 #include <common.h> 8 #include <asm/system.h> 9 10 DECLARE_GLOBAL_DATA_PTR; 11 enable_caches(void)12void enable_caches(void) 13 { 14 #if defined(CONFIG_SYS_ARM_CACHE_WRITETHROUGH) 15 enum dcache_option opt = DCACHE_WRITETHROUGH; 16 #else 17 enum dcache_option opt = DCACHE_WRITEBACK; 18 #endif 19 /* enable D-cache as well as MMU */ 20 dcache_enable(); 21 22 /* setup cache attribute for DRAM region */ 23 mmu_set_region_dcache_behaviour(ASPEED_DRAM_BASE, 24 gd->ram_size, 25 opt); 26 } 27