u-boot/include/k3-dev.h
Jayesh Choudhary 6b1193bb7a arm: mach-k3: j722s: introduce clock and device files for wkup spl
Include the clock and lpsc tree files needed for the wkup spl to
initialize the proper PLLs and power domains to boot the SoC.

Reviewed-by: Bryan Brattlof <bb@ti.com>
Signed-off-by: Vaishnav Achath <vaishnav.a@ti.com>
Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
2024-06-19 12:07:44 -06:00

92 lines
2.2 KiB
C

/* 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;
extern const struct ti_k3_pd_platdata j722s_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