mirror of
				https://github.com/smaeul/u-boot.git
				synced 2025-10-31 03:58:17 +00:00 
			
		
		
		
	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+
 | |
| /*
 | |
|  * 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
 |