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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Interrupt Timer Subsystem
*
* Copyright (C) 2017 Intel Corporation.
* Copyright 2019 Google LLC
*
* Modified from coreboot itss.h
*/
#ifndef _ASM_ARCH_ITSS_H
#define _ASM_ARCH_ITSS_H
#include <irq.h>
#define GPIO_IRQ_START 50
#define GPIO_IRQ_END ITSS_MAX_IRQ
#define ITSS_MAX_IRQ 119
#define IRQS_PER_IPC 32
#define NUM_IPC_REGS DIV_ROUND_UP(ITSS_MAX_IRQ, IRQS_PER_IPC)
/* Max PXRC registers in ITSS */
#define MAX_PXRC_CONFIG (PCR_ITSS_PIRQH_ROUT - PCR_ITSS_PIRQA_ROUT + 1)
/* PIRQA Routing Control Register */
#define PCR_ITSS_PIRQA_ROUT 0x3100
/* PIRQB Routing Control Register */
#define PCR_ITSS_PIRQB_ROUT 0x3101
/* PIRQC Routing Control Register */
#define PCR_ITSS_PIRQC_ROUT 0x3102
/* PIRQD Routing Control Register */
#define PCR_ITSS_PIRQD_ROUT 0x3103
/* PIRQE Routing Control Register */
#define PCR_ITSS_PIRQE_ROUT 0x3104
/* PIRQF Routing Control Register */
#define PCR_ITSS_PIRQF_ROUT 0x3105
/* PIRQG Routing Control Register */
#define PCR_ITSS_PIRQG_ROUT 0x3106
/* PIRQH Routing Control Register */
#define PCR_ITSS_PIRQH_ROUT 0x3107
/* ITSS Interrupt polarity control */
#define PCR_ITSS_IPC0_CONF 0x3200
/* ITSS Power reduction control */
#define PCR_ITSS_ITSSPRC 0x3300
struct itss_plat {
#if CONFIG_IS_ENABLED(OF_PLATDATA)
/* Put this first since driver model will copy the data here */
struct dtd_intel_itss dtplat;
#endif
};
/* struct pmc_route - Routing for PMC to GPIO */
struct pmc_route {
u32 pmc;
u32 gpio;
};
struct itss_priv {
struct pmc_route *route;
uint route_count;
u32 irq_snapshot[NUM_IPC_REGS];
};
#endif /* _ASM_ARCH_ITSS_H */
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