1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Copied from omap44xx-smc.S Copyright (C) 2010 Texas Instruments, Inc.
4 * Copyright 2012 Calxeda, Inc.
5 */
6
7 #include <linux/linkage.h>
8
9 /*
10 * This is common routine to manage secure monitor API
11 * used to modify the PL310 secure registers.
12 * 'r0' contains the value to be modified and 'r12' contains
13 * the monitor API number.
14 * Function signature : void highbank_smc1(u32 fn, u32 arg)
15 */
16 .arch armv7-a
17 .arch_extension sec
18 ENTRY(highbank_smc1)
19 stmfd sp!, {r4-r11, lr}
20 mov r12, r0
21 mov r0, r1
22 dsb
23 smc #0
24 ldmfd sp!, {r4-r11, pc}
25 ENDPROC(highbank_smc1)