u-boot/arch/arm/cpu/armv7/omap-common/lowlevel_init.S

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/*
* Board specific setup info
*
* (C) Copyright 2010
* Texas Instruments, <www.ti.com>
*
* Author :
* Aneesh V <aneesh@ti.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <config.h>
#include <asm/arch/omap.h>
#include <asm/omap_common.h>
#include <asm/arch/spl.h>
#include <linux/linkage.h>
#ifdef CONFIG_SPL
ENTRY(save_boot_params)
ldr r1, =OMAP_SRAM_SCRATCH_BOOT_PARAMS
str r0, [r1]
b save_boot_params_ret
ENDPROC(save_boot_params)
#endif
ENTRY(omap_smc1)
PUSH {r4-r12, lr} @ save registers - ROM code may pollute
@ our registers
MOV r12, r0 @ Service
MOV r0, r1 @ Argument
DSB
DMB
.word 0xe1600070 @ SMC #0 - hand assembled for GCC versions
@ call ROM Code API for the service requested
POP {r4-r12, pc}
ENDPROC(omap_smc1)