1*e2ad626fSUlf Hansson /* SPDX-License-Identifier: GPL-2.0 */ 2*e2ad626fSUlf Hansson /* 3*e2ad626fSUlf Hansson * Renesas R-Car System Controller 4*e2ad626fSUlf Hansson * 5*e2ad626fSUlf Hansson * Copyright (C) 2016 Glider bvba 6*e2ad626fSUlf Hansson */ 7*e2ad626fSUlf Hansson #ifndef __SOC_RENESAS_RCAR_SYSC_H__ 8*e2ad626fSUlf Hansson #define __SOC_RENESAS_RCAR_SYSC_H__ 9*e2ad626fSUlf Hansson 10*e2ad626fSUlf Hansson #include <linux/types.h> 11*e2ad626fSUlf Hansson 12*e2ad626fSUlf Hansson 13*e2ad626fSUlf Hansson /* 14*e2ad626fSUlf Hansson * Power Domain flags 15*e2ad626fSUlf Hansson */ 16*e2ad626fSUlf Hansson #define PD_CPU BIT(0) /* Area contains main CPU core */ 17*e2ad626fSUlf Hansson #define PD_SCU BIT(1) /* Area contains SCU and L2 cache */ 18*e2ad626fSUlf Hansson #define PD_NO_CR BIT(2) /* Area lacks PWR{ON,OFF}CR registers */ 19*e2ad626fSUlf Hansson 20*e2ad626fSUlf Hansson #define PD_CPU_CR PD_CPU /* CPU area has CR (R-Car H1) */ 21*e2ad626fSUlf Hansson #define PD_CPU_NOCR PD_CPU | PD_NO_CR /* CPU area lacks CR (R-Car Gen2/3) */ 22*e2ad626fSUlf Hansson #define PD_ALWAYS_ON PD_NO_CR /* Always-on area */ 23*e2ad626fSUlf Hansson 24*e2ad626fSUlf Hansson 25*e2ad626fSUlf Hansson /* 26*e2ad626fSUlf Hansson * Description of a Power Area 27*e2ad626fSUlf Hansson */ 28*e2ad626fSUlf Hansson 29*e2ad626fSUlf Hansson struct rcar_sysc_area { 30*e2ad626fSUlf Hansson const char *name; 31*e2ad626fSUlf Hansson u16 chan_offs; /* Offset of PWRSR register for this area */ 32*e2ad626fSUlf Hansson u8 chan_bit; /* Bit in PWR* (except for PWRUP in PWRSR) */ 33*e2ad626fSUlf Hansson u8 isr_bit; /* Bit in SYSCI*R */ 34*e2ad626fSUlf Hansson s8 parent; /* -1 if none */ 35*e2ad626fSUlf Hansson u8 flags; /* See PD_* */ 36*e2ad626fSUlf Hansson }; 37*e2ad626fSUlf Hansson 38*e2ad626fSUlf Hansson 39*e2ad626fSUlf Hansson /* 40*e2ad626fSUlf Hansson * SoC-specific Power Area Description 41*e2ad626fSUlf Hansson */ 42*e2ad626fSUlf Hansson 43*e2ad626fSUlf Hansson struct rcar_sysc_info { 44*e2ad626fSUlf Hansson int (*init)(void); /* Optional */ 45*e2ad626fSUlf Hansson const struct rcar_sysc_area *areas; 46*e2ad626fSUlf Hansson unsigned int num_areas; 47*e2ad626fSUlf Hansson /* Optional External Request Mask Register */ 48*e2ad626fSUlf Hansson u32 extmask_offs; /* SYSCEXTMASK register offset */ 49*e2ad626fSUlf Hansson u32 extmask_val; /* SYSCEXTMASK register mask value */ 50*e2ad626fSUlf Hansson }; 51*e2ad626fSUlf Hansson 52*e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a7742_sysc_info; 53*e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a7743_sysc_info; 54*e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a7745_sysc_info; 55*e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a77470_sysc_info; 56*e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a774a1_sysc_info; 57*e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a774b1_sysc_info; 58*e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a774c0_sysc_info; 59*e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a774e1_sysc_info; 60*e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a7779_sysc_info; 61*e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a7790_sysc_info; 62*e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a7791_sysc_info; 63*e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a7792_sysc_info; 64*e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a7794_sysc_info; 65*e2ad626fSUlf Hansson extern struct rcar_sysc_info r8a7795_sysc_info; 66*e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a77960_sysc_info; 67*e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a77961_sysc_info; 68*e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a77965_sysc_info; 69*e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a77970_sysc_info; 70*e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a77980_sysc_info; 71*e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a77990_sysc_info; 72*e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a77995_sysc_info; 73*e2ad626fSUlf Hansson 74*e2ad626fSUlf Hansson 75*e2ad626fSUlf Hansson /* 76*e2ad626fSUlf Hansson * Helpers for fixing up power area tables depending on SoC revision 77*e2ad626fSUlf Hansson */ 78*e2ad626fSUlf Hansson 79*e2ad626fSUlf Hansson extern void rcar_sysc_nullify(struct rcar_sysc_area *areas, 80*e2ad626fSUlf Hansson unsigned int num_areas, u8 id); 81*e2ad626fSUlf Hansson 82*e2ad626fSUlf Hansson #endif /* __SOC_RENESAS_RCAR_SYSC_H__ */ 83