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82 lines
2.6 KiB
82 lines
2.6 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Renesas R-Car System Controller |
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* |
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* Copyright (C) 2016 Glider bvba |
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*/ |
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#ifndef __SOC_RENESAS_RCAR_SYSC_H__ |
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#define __SOC_RENESAS_RCAR_SYSC_H__ |
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#include <linux/types.h> |
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/* |
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* Power Domain flags |
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*/ |
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#define PD_CPU BIT(0) /* Area contains main CPU core */ |
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#define PD_SCU BIT(1) /* Area contains SCU and L2 cache */ |
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#define PD_NO_CR BIT(2) /* Area lacks PWR{ON,OFF}CR registers */ |
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#define PD_CPU_CR PD_CPU /* CPU area has CR (R-Car H1) */ |
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#define PD_CPU_NOCR PD_CPU | PD_NO_CR /* CPU area lacks CR (R-Car Gen2/3) */ |
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#define PD_ALWAYS_ON PD_NO_CR /* Always-on area */ |
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/* |
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* Description of a Power Area |
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*/ |
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struct rcar_sysc_area { |
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const char *name; |
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u16 chan_offs; /* Offset of PWRSR register for this area */ |
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u8 chan_bit; /* Bit in PWR* (except for PWRUP in PWRSR) */ |
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u8 isr_bit; /* Bit in SYSCI*R */ |
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int parent; /* -1 if none */ |
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unsigned int flags; /* See PD_* */ |
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}; |
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/* |
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* SoC-specific Power Area Description |
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*/ |
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struct rcar_sysc_info { |
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int (*init)(void); /* Optional */ |
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const struct rcar_sysc_area *areas; |
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unsigned int num_areas; |
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/* Optional External Request Mask Register */ |
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u32 extmask_offs; /* SYSCEXTMASK register offset */ |
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u32 extmask_val; /* SYSCEXTMASK register mask value */ |
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}; |
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extern const struct rcar_sysc_info r8a7742_sysc_info; |
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extern const struct rcar_sysc_info r8a7743_sysc_info; |
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extern const struct rcar_sysc_info r8a7745_sysc_info; |
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extern const struct rcar_sysc_info r8a77470_sysc_info; |
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extern const struct rcar_sysc_info r8a774a1_sysc_info; |
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extern const struct rcar_sysc_info r8a774b1_sysc_info; |
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extern const struct rcar_sysc_info r8a774c0_sysc_info; |
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extern const struct rcar_sysc_info r8a774e1_sysc_info; |
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extern const struct rcar_sysc_info r8a7779_sysc_info; |
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extern const struct rcar_sysc_info r8a7790_sysc_info; |
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extern const struct rcar_sysc_info r8a7791_sysc_info; |
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extern const struct rcar_sysc_info r8a7792_sysc_info; |
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extern const struct rcar_sysc_info r8a7794_sysc_info; |
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extern struct rcar_sysc_info r8a7795_sysc_info; |
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extern const struct rcar_sysc_info r8a77960_sysc_info; |
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extern const struct rcar_sysc_info r8a77961_sysc_info; |
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extern const struct rcar_sysc_info r8a77965_sysc_info; |
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extern const struct rcar_sysc_info r8a77970_sysc_info; |
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extern const struct rcar_sysc_info r8a77980_sysc_info; |
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extern const struct rcar_sysc_info r8a77990_sysc_info; |
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extern const struct rcar_sysc_info r8a77995_sysc_info; |
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/* |
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* Helpers for fixing up power area tables depending on SoC revision |
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*/ |
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extern void rcar_sysc_nullify(struct rcar_sysc_area *areas, |
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unsigned int num_areas, u8 id); |
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#endif /* __SOC_RENESAS_RCAR_SYSC_H__ */
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