1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright (c) 2010 Samsung Electronics. 4 * Minkyu Kang <mk7.kang@samsung.com> 5 */ 6 7 #include <common.h> 8 #include <asm/io.h> 9 #include <asm/system.h> 10 11 #ifdef CONFIG_TARGET_ESPRESSO7420 12 /* 13 * Exynos7420 uses CPU0 of Cluster-1 as boot CPU. Due to this, branch_if_master 14 * fails to identify as the boot CPU as the master CPU. As temporary workaround, 15 * setup the slave CPU boot address as "_main". 16 */ 17 extern void _main(void); 18 void *secondary_boot_addr = (void *)_main; 19 #endif /* CONFIG_TARGET_ESPRESSO7420 */ 20 21 void reset_cpu(ulong addr) 22 { 23 #ifdef CONFIG_CPU_V7A 24 writel(0x1, samsung_get_base_swreset()); 25 #endif 26 } 27 28 #ifndef CONFIG_SYS_DCACHE_OFF 29 void enable_caches(void) 30 { 31 /* Enable D-cache. I-cache is already enabled in start.S */ 32 dcache_enable(); 33 } 34 #endif 35