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/*
* Copyright 2016 NXP Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <config.h>
#include <linux/linkage.h>
#include <asm/system.h>
#include <asm/macro.h>
WEAK(_sec_firmware_entry)
/*
* x0: Secure Firmware entry point
* x1: Exception return address Low
* x2: Exception return address High
*/
/* Save stack pointer for EL2 */
mov x3, sp
msr sp_el2, x3
/* Set exception return address hold pointer */
adr x4, 1f
mov x3, x4
#ifdef SEC_FIRMWARE_ERET_ADDR_REVERT
rev w3, w3
#endif
str w3, [x1]
lsr x3, x4, #32
#ifdef SEC_FIRMWARE_ERET_ADDR_REVERT
rev w3, w3
#endif
str w3, [x2]
/* Call SEC monitor */
br x0
1:
mov x0, #0
ret
ENDPROC(_sec_firmware_entry)
#ifdef CONFIG_ARMV8_PSCI
ENTRY(_sec_firmware_support_psci_version)
mov x0, 0x84000000
mov x1, 0x0
mov x2, 0x0
mov x3, 0x0
smc #0
ret
ENDPROC(_sec_firmware_support_psci_version)
#endif
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