/*
 * 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>

.arch_extension sec

#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
	smc	0		@ SMC #0 to enter monitor mode
				@ call ROM Code API for the service requested
	pop	{r4-r12, pc}
ENDPROC(omap_smc1)

ENTRY(omap_smc_sec)
	push	{r4-r12, lr}	@ save registers - ROM code may pollute
				@ our registers
	mov	r6, #0xFF	@ Indicate new Task call
	mov	r12, #0x00	@ Secure Service ID in R12

	dsb
	dmb
	smc	0		@ SMC #0 to enter monitor mode

	b	omap_smc_sec_end @ exit at end of the service execution
	nop

	@ In case of IRQ happening in Secure, then ARM will branch here.
	@ At that moment, IRQ will be pending and ARM will jump to Non Secure
	@ IRQ handler
	mov	r12, #0xFE

	dsb
	dmb
	smc	0		@ SMC #0 to enter monitor mode

omap_smc_sec_end:
	pop	{r4-r12, pc}
ENDPROC(omap_smc_sec)