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dcc09fd1 GU |
1 | /* |
2 | * Renesas R-Car System Controller | |
3 | * | |
4 | * Copyright (C) 2016 Glider bvba | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; version 2 of the License. | |
9 | */ | |
10 | #ifndef __SOC_RENESAS_RCAR_SYSC_H__ | |
11 | #define __SOC_RENESAS_RCAR_SYSC_H__ | |
12 | ||
13 | #include <linux/types.h> | |
14 | ||
15 | ||
16 | /* | |
17 | * Power Domain flags | |
18 | */ | |
19 | #define PD_CPU BIT(0) /* Area contains main CPU core */ | |
20 | #define PD_SCU BIT(1) /* Area contains SCU and L2 cache */ | |
21 | #define PD_NO_CR BIT(2) /* Area lacks PWR{ON,OFF}CR registers */ | |
22 | ||
dcc09fd1 GU |
23 | #define PD_CPU_CR PD_CPU /* CPU area has CR (R-Car H1) */ |
24 | #define PD_CPU_NOCR PD_CPU | PD_NO_CR /* CPU area lacks CR (R-Car Gen2/3) */ | |
25 | #define PD_ALWAYS_ON PD_NO_CR /* Always-on area */ | |
26 | ||
27 | ||
28 | /* | |
29 | * Description of a Power Area | |
30 | */ | |
31 | ||
32 | struct rcar_sysc_area { | |
33 | const char *name; | |
34 | u16 chan_offs; /* Offset of PWRSR register for this area */ | |
35 | u8 chan_bit; /* Bit in PWR* (except for PWRUP in PWRSR) */ | |
36 | u8 isr_bit; /* Bit in SYSCI*R */ | |
37 | int parent; /* -1 if none */ | |
38 | unsigned int flags; /* See PD_* */ | |
39 | }; | |
40 | ||
41 | ||
42 | /* | |
43 | * SoC-specific Power Area Description | |
44 | */ | |
45 | ||
46 | struct rcar_sysc_info { | |
afa6f53d | 47 | int (*init)(void); /* Optional */ |
dcc09fd1 GU |
48 | const struct rcar_sysc_area *areas; |
49 | unsigned int num_areas; | |
50 | }; | |
51 | ||
603311ba | 52 | extern const struct rcar_sysc_info r8a7743_sysc_info; |
141723e0 | 53 | extern const struct rcar_sysc_info r8a7745_sysc_info; |
9b83ea17 | 54 | extern const struct rcar_sysc_info r8a7779_sysc_info; |
ad7c9dbc | 55 | extern const struct rcar_sysc_info r8a7790_sysc_info; |
c5fbb3c0 | 56 | extern const struct rcar_sysc_info r8a7791_sysc_info; |
7e49c845 | 57 | extern const struct rcar_sysc_info r8a7792_sysc_info; |
9af1dbcc | 58 | extern const struct rcar_sysc_info r8a7794_sysc_info; |
23f1e2ec | 59 | extern const struct rcar_sysc_info r8a7795_sysc_info; |
e0c98b91 | 60 | extern const struct rcar_sysc_info r8a7796_sysc_info; |
afa6f53d GU |
61 | |
62 | ||
63 | /* | |
64 | * Helpers for fixing up power area tables depending on SoC revision | |
65 | */ | |
66 | ||
67 | extern void rcar_sysc_nullify(struct rcar_sysc_area *areas, | |
68 | unsigned int num_areas, u8 id); | |
69 | ||
dcc09fd1 | 70 | #endif /* __SOC_RENESAS_RCAR_SYSC_H__ */ |