diff options
| author | Tomasz Figa <t.figa@samsung.com> | 2012-12-11 08:58:43 +0400 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2013-04-08 20:52:06 +0400 |
| commit | a4a18d2b3a9245ac43eec1e2eddd6b929b8f0bb9 (patch) | |
| tree | 5634def39dfa0acb7b2ae911ed51663da47166da /arch/arm/mach-exynos/smc.h | |
| parent | 7366b92a77fc00357294819bb495896d7482f30c (diff) | |
| download | linux-a4a18d2b3a9245ac43eec1e2eddd6b929b8f0bb9.tar.xz | |
ARM: EXYNOS: Add support for secure monitor calls
Some boards use secure monitor calls to communicate with secure
firmware.
This patch adds exynos_smc function which uses smc assembly instruction
to do secure monitor calls.
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/mach-exynos/smc.h')
| -rw-r--r-- | arch/arm/mach-exynos/smc.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos/smc.h b/arch/arm/mach-exynos/smc.h new file mode 100644 index 000000000000..13a1dc8ecbf2 --- /dev/null +++ b/arch/arm/mach-exynos/smc.h @@ -0,0 +1,31 @@ +/* + * Copyright (c) 2012 Samsung Electronics. + * + * EXYNOS - SMC Call + * + * 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. + */ + +#ifndef __ASM_ARCH_EXYNOS_SMC_H +#define __ASM_ARCH_EXYNOS_SMC_H + +#define SMC_CMD_INIT (-1) +#define SMC_CMD_INFO (-2) +/* For Power Management */ +#define SMC_CMD_SLEEP (-3) +#define SMC_CMD_CPU1BOOT (-4) +#define SMC_CMD_CPU0AFTR (-5) +/* For CP15 Access */ +#define SMC_CMD_C15RESUME (-11) +/* For L2 Cache Access */ +#define SMC_CMD_L2X0CTRL (-21) +#define SMC_CMD_L2X0SETUP1 (-22) +#define SMC_CMD_L2X0SETUP2 (-23) +#define SMC_CMD_L2X0INVALL (-24) +#define SMC_CMD_L2X0DEBUG (-25) + +extern void exynos_smc(u32 cmd, u32 arg1, u32 arg2, u32 arg3); + +#endif |