| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (c) 2010 Samsung Electronics. |
| * Minkyu Kang <mk7.kang@samsung.com> |
| */ |
| |
| #include <common.h> |
| #include <cpu_func.h> |
| #include <asm/cache.h> |
| #include <asm/io.h> |
| #include <asm/system.h> |
| |
| #ifdef CONFIG_TARGET_ESPRESSO7420 |
| /* |
| * Exynos7420 uses CPU0 of Cluster-1 as boot CPU. Due to this, branch_if_master |
| * fails to identify as the boot CPU as the master CPU. As temporary workaround, |
| * setup the slave CPU boot address as "_main". |
| */ |
| extern void _main(void); |
| void *secondary_boot_addr = (void *)_main; |
| #endif /* CONFIG_TARGET_ESPRESSO7420 */ |
| |
| void reset_cpu(void) |
| { |
| #ifdef CONFIG_CPU_V7A |
| writel(0x1, samsung_get_base_swreset()); |
| #endif |
| } |
| |
| #if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF) |
| void enable_caches(void) |
| { |
| /* Enable D-cache. I-cache is already enabled in start.S */ |
| dcache_enable(); |
| } |
| #endif |