1 /* 2 * Copyright (c) 2010 Samsung Electronics. 3 * Minkyu Kang <mk7.kang@samsung.com> 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #include <common.h> 9 #include <asm/io.h> 10 #include <asm/system.h> 11 12 #ifdef CONFIG_TARGET_ESPRESSO7420 13 /* 14 * Exynos7420 uses CPU0 of Cluster-1 as boot CPU. Due to this, branch_if_master 15 * fails to identify as the boot CPU as the master CPU. As temporary workaround, 16 * setup the slave CPU boot address as "_main". 17 */ 18 extern void _main(void); 19 void *secondary_boot_addr = (void *)_main; 20 #endif /* CONFIG_TARGET_ESPRESSO7420 */ 21 22 void reset_cpu(ulong addr) 23 { 24 #ifdef CONFIG_CPU_V7 25 writel(0x1, samsung_get_base_swreset()); 26 #endif 27 } 28 29 #ifndef CONFIG_SYS_DCACHE_OFF 30 void enable_caches(void) 31 { 32 /* Enable D-cache. I-cache is already enabled in start.S */ 33 dcache_enable(); 34 } 35 #endif 36