projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| a662c082 MD |
1 | /* |
| 2 | * r8a7779 Power management support | |
| 3 | * | |
| 4 | * Copyright (C) 2011 Renesas Solutions Corp. | |
| 5 | * Copyright (C) 2011 Magnus Damm | |
| 6 | * | |
| 7 | * This file is subject to the terms and conditions of the GNU General Public | |
| 8 | * License. See the file "COPYING" in the main directory of this archive | |
| 9 | * for more details. | |
| 10 | */ | |
| 11 | ||
| a662c082 | 12 | #include <asm/io.h> |
| 1b55353c | 13 | |
| 585c09df | 14 | #include "pm-rcar.h" |
| 1b55353c | 15 | #include "r8a7779.h" |
| a662c082 | 16 | |
| a662c082 | 17 | /* SYSC */ |
| a662c082 MD |
18 | #define SYSCIER 0x0c |
| 19 | #define SYSCIMR 0x10 | |
| a662c082 | 20 | |
| f40aaf6d MD |
21 | #if defined(CONFIG_PM) || defined(CONFIG_SMP) |
| 22 | ||
| a662c082 MD |
23 | static void __init r8a7779_sysc_init(void) |
| 24 | { | |
| a6557eb7 | 25 | void __iomem *base = rcar_sysc_init(0xffd85000); |
| a662c082 MD |
26 | |
| 27 | /* enable all interrupt sources, but do not use interrupt handler */ | |
| a6557eb7 MD |
28 | iowrite32(0x0131000e, base + SYSCIER); |
| 29 | iowrite32(0, base + SYSCIMR); | |
| a662c082 MD |
30 | } |
| 31 | ||
| f40aaf6d MD |
32 | #else /* CONFIG_PM || CONFIG_SMP */ |
| 33 | ||
| 34 | static inline void r8a7779_sysc_init(void) {} | |
| 35 | ||
| 36 | #endif /* CONFIG_PM || CONFIG_SMP */ | |
| 37 | ||
| a662c082 MD |
38 | void __init r8a7779_pm_init(void) |
| 39 | { | |
| f40aaf6d MD |
40 | static int once; |
| 41 | ||
| 42 | if (!once++) | |
| 43 | r8a7779_sysc_init(); | |
| a662c082 | 44 | } |