u-boot/arch/arm/mach-k3/common.c
Lokesh Vutla a3501a4a44 armv7R: K3: am654: Add support to start ATF from R5 SPL
Considering the boot time requirements, Cortex-A core
should be able to start immediately after SPL on R5.
Add support for the same.

Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
2018-11-16 16:51:58 -05:00

52 lines
1.2 KiB
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