projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | ||
| 23 | #define PD_BUSY BIT(3) /* Busy, for internal use only */ | |
| 24 | ||
| 25 | #define PD_CPU_CR PD_CPU /* CPU area has CR (R-Car H1) */ | |
| 26 | #define PD_CPU_NOCR PD_CPU | PD_NO_CR /* CPU area lacks CR (R-Car Gen2/3) */ | |
| 27 | #define PD_ALWAYS_ON PD_NO_CR /* Always-on area */ | |
| 28 | ||
| 29 | ||
| 30 | /* | |
| 31 | * Description of a Power Area | |
| 32 | */ | |
| 33 | ||
| 34 | struct rcar_sysc_area { | |
| 35 | const char *name; | |
| 36 | u16 chan_offs; /* Offset of PWRSR register for this area */ | |
| 37 | u8 chan_bit; /* Bit in PWR* (except for PWRUP in PWRSR) */ | |
| 38 | u8 isr_bit; /* Bit in SYSCI*R */ | |
| 39 | int parent; /* -1 if none */ | |
| 40 | unsigned int flags; /* See PD_* */ | |
| 41 | }; | |
| 42 | ||
| 43 | ||
| 44 | /* | |
| 45 | * SoC-specific Power Area Description | |
| 46 | */ | |
| 47 | ||
| 48 | struct rcar_sysc_info { | |
| 49 | const struct rcar_sysc_area *areas; | |
| 50 | unsigned int num_areas; | |
| 51 | }; | |
| 52 | ||
| 9b83ea17 | 53 | extern const struct rcar_sysc_info r8a7779_sysc_info; |
| ad7c9dbc | 54 | extern const struct rcar_sysc_info r8a7790_sysc_info; |
| c5fbb3c0 | 55 | extern const struct rcar_sysc_info r8a7791_sysc_info; |
| 9af1dbcc | 56 | extern const struct rcar_sysc_info r8a7794_sysc_info; |
| 23f1e2ec | 57 | extern const struct rcar_sysc_info r8a7795_sysc_info; |
| e0c98b91 | 58 | extern const struct rcar_sysc_info r8a7796_sysc_info; |
| dcc09fd1 | 59 | #endif /* __SOC_RENESAS_RCAR_SYSC_H__ */ |