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u-boot/arch/arm/mach-exynos/soc.c

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// 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