linux-stable/arch/arm/mach-exynos/smc.h
Marek Szyprowski 47efaf6ba6 ARM: exynos: Add Exynos SMC values for secure memory write
Add defines for the (secure)-memory write for Exynos Secure Monitor
Call. The values comes from the vendor kernel.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2019-03-19 21:07:47 +01:00

48 lines
1.2 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2012 Samsung Electronics.
*
* EXYNOS - SMC Call
*/
#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)
#define SMC_CMD_SAVE (-6)
#define SMC_CMD_SHUTDOWN (-7)
/* 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)
/* For Accessing CP15/SFR (General) */
#define SMC_CMD_REG (-101)
/* defines for SMC_CMD_REG */
#define SMC_REG_CLASS_SFR_W (0x1 << 30)
#define SMC_REG_ID_SFR_W(addr) (SMC_REG_CLASS_SFR_W | ((addr) >> 2))
#ifndef __ASSEMBLY__
extern void exynos_smc(u32 cmd, u32 arg1, u32 arg2, u32 arg3);
#endif /* __ASSEMBLY__ */
/* op type for SMC_CMD_SAVE and SMC_CMD_SHUTDOWN */
#define OP_TYPE_CORE 0x0
#define OP_TYPE_CLUSTER 0x1
/* Power State required for SMC_CMD_SAVE and SMC_CMD_SHUTDOWN */
#define SMC_POWERSTATE_IDLE 0x1
#endif