soc/arm/xilinx_zynqmp/soc.c

/*
 * Copyright (c) 2019 Lexmark International, Inc.
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 */

#include <kernel.h>
#include <device.h>
#include <init.h>

/**
 *
 * @brief Perform basic hardware initialization
 *
 * @return 0
 */

static int soc_init(struct device *arg)
{
	ARG_UNUSED(arg);

	/* Install default handler that simply resets the CPU
	 * if configured in the kernel, NOP otherwise
	 */
	NMI_INIT();
	return 0;
}

SYS_INIT(soc_init, PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);

void z_platform_init(void)
{
	/*
	 * Use normal exception vectors address range (0x0-0x1C).
	 */
	__asm__ volatile(
		"mrc p15, 0, r0, c1, c0, 0;"		/* SCTLR */
		"bic r0, r0, #" TOSTR(HIVECS) ";"	/* Clear HIVECS */
		"mcr p15, 0, r0, c1, c0, 0;"
		: : : "memory");
}