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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2015 Intel Corporation.
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _SOC_PCR_H_
#define _SOC_PCR_H_
/*
* Primary to sideband (P2SB) for private configuration registers (PCR).
*/
/* Port Id lives in bits 23:16 and register offset lives in 15:0 of address. */
#define PCR_PORTID_SHIFT 16
#define PCR_OFFSET_SHIFT 0
/* DMI Control Register */
#define R_PCH_PCR_DMI_DMIC 0x2234
#define B_PCH_PCR_DMI_DMIC_SRL (1 << 31)
#define R_PCH_PCR_DMI_LPCLGIR1 0x2730
#define R_PCH_PCR_DMI_LPCLGIR2 0x2734
#define R_PCH_PCR_DMI_LPCLGIR3 0x2738
#define R_PCH_PCR_DMI_LPCLGIR4 0x273c
#define R_PCH_PCR_DMI_GCS 0x274C
#define B_PCH_PCR_DMI_GCS_BILD (1 << 0)
#define R_PCH_PCR_DMI_LPCIOD 0x2770
#define R_PCH_PCR_DMI_LPCIOE 0x2774
/* RTC configuration */
#define R_PCH_PCR_RTC_CONF 0x3400
#define B_PCH_PCR_RTC_CONF_UCMOS_LOCK (1 << 4)
#define B_PCH_PCR_RTC_CONF_LCMOS_LOCK (1 << 3)
#define B_PCH_PCR_RTC_CONF_RESERVED (1 << 31)
#define B_PCH_PCR_RTC_CONF_UCMOS_EN 0x4
/* ITSS PCRs*/
/* PIRQA Routing Control Register*/
#define R_PCH_PCR_ITSS_PIRQA_ROUT 0x3100
/* PIRQB Routing Control Register*/
#define R_PCH_PCR_ITSS_PIRQB_ROUT 0x3101
/* PIRQC Routing Control Register*/
#define R_PCH_PCR_ITSS_PIRQC_ROUT 0x3102
/* PIRQD Routing Control Register*/
#define R_PCH_PCR_ITSS_PIRQD_ROUT 0x3103
/* PIRQE Routing Control Register*/
#define R_PCH_PCR_ITSS_PIRQE_ROUT 0x3104
/* PIRQF Routing Control Register*/
#define R_PCH_PCR_ITSS_PIRQF_ROUT 0x3105
/* PIRQG Routing Control Register*/
#define R_PCH_PCR_ITSS_PIRQG_ROUT 0x3106
/* PIRQH Routing Control Register*/
#define R_PCH_PCR_ITSS_PIRQH_ROUT 0x3107
/* ITSS Power reduction control */
#define R_PCH_PCR_ITSS_ITSSPRC 0x3300
# define CGE8254 (1 << 2)
/* IO Trap PCRs */
/* Trap status Register */
#define R_PCH_PCR_PSTH_TRPST 0x1E00
/* Trapped cycle */
#define R_PCH_PCR_PSTH_TRPC 0x1E10
/* Trapped write data */
#define R_PCH_PCR_PSTH_TRPD 0x1E18
/* Serial IO UART controller legacy mode */
#define R_PCH_PCR_SERIAL_IO_GPPRVRW7 0x618
#define SIO_PCH_LEGACY_UART0 (1 << 0)
#define SIO_PCH_LEGACY_UART1 (1 << 1)
#define SIO_PCH_LEGACY_UART2 (1 << 2)
/*
* P2SB port ids.
*/
#define PID_PSTH 0x89
#define PID_GPIOCOM3 0xAC
#define PID_GPIOCOM2 0xAD
#define PID_GPIOCOM1 0xAE
#define PID_GPIOCOM0 0xAF
#define PID_PSF1 0xBA
#define PID_SCS 0xC0
#define PID_RTC 0xC3
#define PID_ITSS 0xC4
#define PID_LPC 0xC7
#define PID_SERIALIO 0xCB
#define PID_DMI 0xEF
#define PCH_PCR_PSFX_T0_SHDW_PCIEN 0x1C
#define PCH_PCR_PSFX_T0_SHDW_PCIEN_FUNDIS (1 << 8)
#define PSF_BASE_ADDRESS 0xA00
#if !defined(__ASSEMBLER__) && !defined(__ACPI__)
#include <stdint.h>
/* All these return 0 on success and < 0 on errror. */
int pcr_read32(u8 pid, u16 offset, u32 *outdata);
int pcr_read16(u8 pid, u16 offset, u16 *outdata);
int pcr_read8(u8 pid, u16 offset, u8 *outdata);
int pcr_write32(u8 pid, u16 offset, u32 indata);
int pcr_write16(u8 pid, u16 offset, u16 indata);
int pcr_write8(u8 pid, u16 offset, u8 indata);
int pcr_andthenor32(u8 pid, u16 offset, u32 anddata, u32 ordata);
int pcr_andthenor16(u8 pid, u16 offset, u16 anddata, u16 ordata);
int pcr_andthenor8(u8 pid, u16 offset, u8 anddata, u8 ordata);
/* Get the starting address of the port's registers. */
uint8_t *pcr_port_regs(u8 pid);
#endif /* if !defined(__ASSEMBLER__) && !defined(__ACPI__) */
#endif /* _SOC_PCR_H_ */
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