u-boot/arch/arm/mach-k3/common.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * K3: Common Architecture initialization
 *
 * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
 *	Lokesh Vutla <lokeshvutla@ti.com>
 */

#include <common.h>
#include <spl.h>
#include "common.h"
#include <dm.h>
#include <remoteproc.h>

#ifdef CONFIG_SYS_K3_SPL_ATF
void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
{
	int ret;

	/*
	 * It is assumed that remoteproc device 1 is the corresponding
	 * cortex A core which runs ATF. Make sure DT reflects the same.
	 */
	ret = rproc_dev_init(1);
	if (ret) {
		printf("%s: ATF failed to Initialize on rproc: ret= %d\n",
		       __func__, ret);
		hang();
	}

	ret = rproc_load(1, spl_image->entry_point, 0x200);
	if (ret) {
		printf("%s: ATF failed to load on rproc: ret= %d\n",
		       __func__, ret);
		hang();
	}

	/* Add an extra newline to differentiate the ATF logs from SPL*/
	printf("Starting ATF on ARM64 core...\n\n");

	ret = rproc_start(1);
	if (ret) {
		printf("%s: ATF failed to start on rproc: ret= %d\n",
		       __func__, ret);
		hang();
	}

	debug("ATF started. Wait indefiniely\n");
	while (1)
		asm volatile("wfe");
}
#endif