[thirdparty/u-boot.git] / include / k3-dev.h

/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * Texas Instruments K3 Device Platform Data
 *
 * Copyright (C) 2020 Texas Instruments Incorporated - https://www.ti.com/
 */
#ifndef __K3_DEV_H__
#define __K3_DEV_H__

#include <asm/io.h>
#include <linux/types.h>
#include <stdint.h>

#define LPSC_MODULE_EXISTS      BIT(0)
#define LPSC_NO_CLOCK_GATING    BIT(1)
#define LPSC_DEPENDS            BIT(2)
#define LPSC_HAS_RESET_ISO      BIT(3)
#define LPSC_HAS_LOCAL_RESET    BIT(4)
#define LPSC_NO_MODULE_RESET    BIT(5)

#define PSC_PD_EXISTS           BIT(0)
#define PSC_PD_ALWAYSON         BIT(1)
#define PSC_PD_DEPENDS          BIT(2)

#define MDSTAT_STATE_MASK		0x3f
#define MDSTAT_BUSY_MASK		0x30
#define MDSTAT_STATE_SWRSTDISABLE	0x0
#define MDSTAT_STATE_ENABLE		0x3

struct ti_psc {
	int id;
	void __iomem *base;
};

struct ti_pd;

struct ti_pd {
	int id;
	int usecount;
	struct ti_psc *psc;
	struct ti_pd *depend;
};

struct ti_lpsc;

struct ti_lpsc {
	int id;
	int usecount;
	struct ti_psc *psc;
	struct ti_pd *pd;
	struct ti_lpsc *depend;
};

struct ti_dev {
	struct ti_lpsc *lpsc;
	int id;
};

/**
 * struct ti_k3_pd_platdata - pm domain controller information structure
 */
struct ti_k3_pd_platdata {
	struct ti_psc *psc;
	struct ti_pd *pd;
	struct ti_lpsc *lpsc;
	struct ti_dev *devs;
	int num_psc;
	int num_pd;
	int num_lpsc;
	int num_devs;
};

#define PSC(_id, _base) { .id = _id, .base = (void *)_base, }
#define PSC_PD(_id, _psc, _depend) { .id = _id, .psc = _psc, .depend = _depend }
#define PSC_LPSC(_id, _psc, _pd, _depend) { .id = _id, .psc = _psc, .pd = _pd, .depend = _depend }
#define PSC_DEV(_id, _lpsc) { .id = _id, .lpsc = _lpsc }

extern const struct ti_k3_pd_platdata j721e_pd_platdata;
extern const struct ti_k3_pd_platdata j7200_pd_platdata;
extern const struct ti_k3_pd_platdata j721s2_pd_platdata;
extern const struct ti_k3_pd_platdata am62x_pd_platdata;
extern const struct ti_k3_pd_platdata am62ax_pd_platdata;
extern const struct ti_k3_pd_platdata j784s4_pd_platdata;
extern const struct ti_k3_pd_platdata am62px_pd_platdata;

u8 ti_pd_state(struct ti_pd *pd);
u8 lpsc_get_state(struct ti_lpsc *lpsc);
int ti_lpsc_transition(struct ti_lpsc *lpsc, u8 state);

#endif
Commit	Line	Data
144464bd TK	1	/* SPDX-License-Identifier: GPL-2.0+ */
	2	/*
	3	* Texas Instruments K3 Device Platform Data
	4	*
a94a4071	5	* Copyright (C) 2020 Texas Instruments Incorporated - https://www.ti.com/
144464bd TK	6	*/
	7	#ifndef __K3_DEV_H__
	8	#define __K3_DEV_H__
	9
	10	#include <asm/io.h>
	11	#include <linux/types.h>
	12	#include <stdint.h>
	13
	14	#define LPSC_MODULE_EXISTS BIT(0)
	15	#define LPSC_NO_CLOCK_GATING BIT(1)
	16	#define LPSC_DEPENDS BIT(2)
	17	#define LPSC_HAS_RESET_ISO BIT(3)
	18	#define LPSC_HAS_LOCAL_RESET BIT(4)
	19	#define LPSC_NO_MODULE_RESET BIT(5)
	20
	21	#define PSC_PD_EXISTS BIT(0)
	22	#define PSC_PD_ALWAYSON BIT(1)
	23	#define PSC_PD_DEPENDS BIT(2)
	24
f79753c3 TK	25	#define MDSTAT_STATE_MASK 0x3f
	26	#define MDSTAT_BUSY_MASK 0x30
	27	#define MDSTAT_STATE_SWRSTDISABLE 0x0
	28	#define MDSTAT_STATE_ENABLE 0x3
	29
144464bd TK	30	struct ti_psc {
	31	int id;
	32	void __iomem *base;
	33	};
	34
	35	struct ti_pd;
	36
	37	struct ti_pd {
	38	int id;
	39	int usecount;
	40	struct ti_psc *psc;
	41	struct ti_pd *depend;
	42	};
	43
	44	struct ti_lpsc;
	45
	46	struct ti_lpsc {
	47	int id;
	48	int usecount;
	49	struct ti_psc *psc;
	50	struct ti_pd *pd;
	51	struct ti_lpsc *depend;
	52	};
	53
	54	struct ti_dev {
	55	struct ti_lpsc *lpsc;
	56	int id;
	57	};
	58
	59	/**
	60	* struct ti_k3_pd_platdata - pm domain controller information structure
	61	*/
	62	struct ti_k3_pd_platdata {
	63	struct ti_psc *psc;
	64	struct ti_pd *pd;
	65	struct ti_lpsc *lpsc;
	66	struct ti_dev *devs;
	67	int num_psc;
	68	int num_pd;
	69	int num_lpsc;
	70	int num_devs;
	71	};
	72
	73	#define PSC(_id, _base) { .id = _id, .base = (void *)_base, }
	74	#define PSC_PD(_id, _psc, _depend) { .id = _id, .psc = _psc, .depend = _depend }
	75	#define PSC_LPSC(_id, _psc, _pd, _depend) { .id = _id, .psc = _psc, .pd = _pd, .depend = _depend }
	76	#define PSC_DEV(_id, _lpsc) { .id = _id, .lpsc = _lpsc }
	77
	78	extern const struct ti_k3_pd_platdata j721e_pd_platdata;
	79	extern const struct ti_k3_pd_platdata j7200_pd_platdata;
98551f87	80	extern const struct ti_k3_pd_platdata j721s2_pd_platdata;
4b8903a9	81	extern const struct ti_k3_pd_platdata am62x_pd_platdata;
b6cbcd61	82	extern const struct ti_k3_pd_platdata am62ax_pd_platdata;
95209994	83	extern const struct ti_k3_pd_platdata j784s4_pd_platdata;
1bcc7a4d	84	extern const struct ti_k3_pd_platdata am62px_pd_platdata;
144464bd	85
f79753c3 TK	86	u8 ti_pd_state(struct ti_pd *pd);
	87	u8 lpsc_get_state(struct ti_lpsc *lpsc);
	88	int ti_lpsc_transition(struct ti_lpsc *lpsc, u8 state);
	89
144464bd	90	#endif