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Diffstat (limited to '')
| -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) |