linux_dsm_epyc7002/drivers/soc/renesas/rcar-sysc.h
Geert Uytterhoeven 23f1e2ecde soc: renesas: rcar-sysc: Add support for R-Car H3 power areas
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-26 09:56:38 +10:00

59 lines
1.6 KiB
C

/*
* Renesas R-Car System Controller
*
* Copyright (C) 2016 Glider bvba
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*/
#ifndef __SOC_RENESAS_RCAR_SYSC_H__
#define __SOC_RENESAS_RCAR_SYSC_H__
#include <linux/types.h>
/*
* Power Domain flags
*/
#define PD_CPU BIT(0) /* Area contains main CPU core */
#define PD_SCU BIT(1) /* Area contains SCU and L2 cache */
#define PD_NO_CR BIT(2) /* Area lacks PWR{ON,OFF}CR registers */
#define PD_BUSY BIT(3) /* Busy, for internal use only */
#define PD_CPU_CR PD_CPU /* CPU area has CR (R-Car H1) */
#define PD_CPU_NOCR PD_CPU | PD_NO_CR /* CPU area lacks CR (R-Car Gen2/3) */
#define PD_ALWAYS_ON PD_NO_CR /* Always-on area */
/*
* Description of a Power Area
*/
struct rcar_sysc_area {
const char *name;
u16 chan_offs; /* Offset of PWRSR register for this area */
u8 chan_bit; /* Bit in PWR* (except for PWRUP in PWRSR) */
u8 isr_bit; /* Bit in SYSCI*R */
int parent; /* -1 if none */
unsigned int flags; /* See PD_* */
};
/*
* SoC-specific Power Area Description
*/
struct rcar_sysc_info {
const struct rcar_sysc_area *areas;
unsigned int num_areas;
};
extern const struct rcar_sysc_info r8a7779_sysc_info;
extern const struct rcar_sysc_info r8a7790_sysc_info;
extern const struct rcar_sysc_info r8a7791_sysc_info;
extern const struct rcar_sysc_info r8a7794_sysc_info;
extern const struct rcar_sysc_info r8a7795_sysc_info;
#endif /* __SOC_RENESAS_RCAR_SYSC_H__ */