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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
| commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
| tree | a94efe259b9009378be6d90eb30d2b019d95c194 /arch/arm/mach-highbank/smc.S | |
| parent | Initial commit. (diff) | |
| download | linux-430c2fc249ea5c0536abd21c23382884005c9093.tar.xz linux-430c2fc249ea5c0536abd21c23382884005c9093.zip | |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mach-highbank/smc.S')
| -rw-r--r-- | arch/arm/mach-highbank/smc.S | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/arm/mach-highbank/smc.S b/arch/arm/mach-highbank/smc.S new file mode 100644 index 000000000..78b3f19e7 --- /dev/null +++ b/arch/arm/mach-highbank/smc.S @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copied from omap44xx-smc.S Copyright (C) 2010 Texas Instruments, Inc. + * Copyright 2012 Calxeda, Inc. + */ + +#include <linux/linkage.h> + +/* + * This is common routine to manage secure monitor API + * used to modify the PL310 secure registers. + * 'r0' contains the value to be modified and 'r12' contains + * the monitor API number. + * Function signature : void highbank_smc1(u32 fn, u32 arg) + */ + .arch armv7-a + .arch_extension sec +ENTRY(highbank_smc1) + stmfd sp!, {r4-r11, lr} + mov r12, r0 + mov r0, r1 + dsb + smc #0 + ldmfd sp!, {r4-r11, pc} +ENDPROC(highbank_smc1) |