xref: /openbmc/u-boot/arch/arm/mach-k3/common.c (revision cd71b1d5)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * K3: Common Architecture initialization
4  *
5  * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
6  *	Lokesh Vutla <lokeshvutla@ti.com>
7  */
8 
9 #include <common.h>
10 #include <spl.h>
11 #include "common.h"
12 #include <dm.h>
13 #include <remoteproc.h>
14 
15 #ifdef CONFIG_SYS_K3_SPL_ATF
16 void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
17 {
18 	int ret;
19 
20 	/*
21 	 * It is assumed that remoteproc device 1 is the corresponding
22 	 * cortex A core which runs ATF. Make sure DT reflects the same.
23 	 */
24 	ret = rproc_dev_init(1);
25 	if (ret) {
26 		printf("%s: ATF failed to Initialize on rproc: ret= %d\n",
27 		       __func__, ret);
28 		hang();
29 	}
30 
31 	ret = rproc_load(1, spl_image->entry_point, 0x200);
32 	if (ret) {
33 		printf("%s: ATF failed to load on rproc: ret= %d\n",
34 		       __func__, ret);
35 		hang();
36 	}
37 
38 	/* Add an extra newline to differentiate the ATF logs from SPL*/
39 	printf("Starting ATF on ARM64 core...\n\n");
40 
41 	ret = rproc_start(1);
42 	if (ret) {
43 		printf("%s: ATF failed to start on rproc: ret= %d\n",
44 		       __func__, ret);
45 		hang();
46 	}
47 
48 	debug("ATF started. Wait indefiniely\n");
49 	while (1)
50 		asm volatile("wfe");
51 }
52 #endif
53