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| author | Michal Marek <mmarek@suse.cz> | 2010-08-04 13:59:13 +0200 |
|---|---|---|
| committer | Michal Marek <mmarek@suse.cz> | 2010-08-04 13:59:13 +0200 |
| commit | 772320e84588dcbe1600ffb83e5f328f2209ac2a (patch) | |
| tree | a7de21b79340aeaa17c58126f6b801b82c77b53a /arch/arm/mach-omap2/omap44xx-smc.S | |
| parent | modpost: support objects with more than 64k sections (diff) | |
| parent | Linux 2.6.35 (diff) | |
| download | linux-772320e84588dcbe1600ffb83e5f328f2209ac2a.tar.xz linux-772320e84588dcbe1600ffb83e5f328f2209ac2a.zip | |
Merge commit 'v2.6.35' into kbuild/kbuild
Conflicts:
arch/powerpc/Makefile
Diffstat (limited to 'arch/arm/mach-omap2/omap44xx-smc.S')
| -rw-r--r-- | arch/arm/mach-omap2/omap44xx-smc.S | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/omap44xx-smc.S b/arch/arm/mach-omap2/omap44xx-smc.S new file mode 100644 index 000000000000..f61c7771ca47 --- /dev/null +++ b/arch/arm/mach-omap2/omap44xx-smc.S @@ -0,0 +1,32 @@ +/* + * OMAP44xx secure APIs file. + * + * Copyright (C) 2010 Texas Instruments, Inc. + * Written by Santosh Shilimkar <santosh.shilimkar@ti.com> + * + * + * This program is free software,you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#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. It uses few CPU registers + * internally and hence they need be backed up including + * link register "lr". + * Function signature : void omap_smc1(u32 fn, u32 arg) + */ + +ENTRY(omap_smc1) + stmfd sp!, {r2-r12, lr} + mov r12, r0 + mov r0, r1 + dsb + smc #0 + ldmfd sp!, {r2-r12, pc} +END(omap_smc1) |