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https://github.com/brain-hackers/u-boot-brain
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a3501a4a44
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>
53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* K3: Common Architecture initialization
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*
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* Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
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* Lokesh Vutla <lokeshvutla@ti.com>
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*/
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#include <common.h>
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#include <spl.h>
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#include "common.h"
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#include <dm.h>
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#include <remoteproc.h>
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#ifdef CONFIG_SYS_K3_SPL_ATF
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void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
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{
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int ret;
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/*
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* It is assumed that remoteproc device 1 is the corresponding
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* cortex A core which runs ATF. Make sure DT reflects the same.
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*/
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ret = rproc_dev_init(1);
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if (ret) {
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printf("%s: ATF failed to Initialize on rproc: ret= %d\n",
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__func__, ret);
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hang();
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}
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ret = rproc_load(1, spl_image->entry_point, 0x200);
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if (ret) {
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printf("%s: ATF failed to load on rproc: ret= %d\n",
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__func__, ret);
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hang();
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}
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/* Add an extra newline to differentiate the ATF logs from SPL*/
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printf("Starting ATF on ARM64 core...\n\n");
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ret = rproc_start(1);
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if (ret) {
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printf("%s: ATF failed to start on rproc: ret= %d\n",
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__func__, ret);
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hang();
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}
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debug("ATF started. Wait indefiniely\n");
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while (1)
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asm volatile("wfe");
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}
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#endif
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