xref: /openbmc/linux/arch/arm/mach-exynos/smc.h (revision 6c33a6f4)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  *  Copyright (c) 2012 Samsung Electronics.
4  *
5  * Exynos - SMC Call
6  */
7 
8 #ifndef __ASM_ARCH_EXYNOS_SMC_H
9 #define __ASM_ARCH_EXYNOS_SMC_H
10 
11 #define SMC_CMD_INIT		(-1)
12 #define SMC_CMD_INFO		(-2)
13 /* For Power Management */
14 #define SMC_CMD_SLEEP		(-3)
15 #define SMC_CMD_CPU1BOOT	(-4)
16 #define SMC_CMD_CPU0AFTR	(-5)
17 #define SMC_CMD_SAVE		(-6)
18 #define SMC_CMD_SHUTDOWN	(-7)
19 /* For CP15 Access */
20 #define SMC_CMD_C15RESUME	(-11)
21 /* For L2 Cache Access */
22 #define SMC_CMD_L2X0CTRL	(-21)
23 #define SMC_CMD_L2X0SETUP1	(-22)
24 #define SMC_CMD_L2X0SETUP2	(-23)
25 #define SMC_CMD_L2X0INVALL	(-24)
26 #define SMC_CMD_L2X0DEBUG	(-25)
27 
28 /* For Accessing CP15/SFR (General) */
29 #define SMC_CMD_REG		(-101)
30 
31 /* defines for SMC_CMD_REG */
32 #define SMC_REG_CLASS_SFR_W	(0x1 << 30)
33 #define SMC_REG_ID_SFR_W(addr)	(SMC_REG_CLASS_SFR_W | ((addr) >> 2))
34 
35 #ifndef __ASSEMBLY__
36 
37 extern void exynos_smc(u32 cmd, u32 arg1, u32 arg2, u32 arg3);
38 
39 #endif /* __ASSEMBLY__ */
40 
41 /* op type for SMC_CMD_SAVE and SMC_CMD_SHUTDOWN */
42 #define OP_TYPE_CORE		0x0
43 #define OP_TYPE_CLUSTER		0x1
44 
45 /* Power State required for SMC_CMD_SAVE and SMC_CMD_SHUTDOWN */
46 #define SMC_POWERSTATE_IDLE	0x1
47 
48 #endif
49