src/northbridge/intel/haswell/haswell.h

/* SPDX-License-Identifier: GPL-2.0-only */

#ifndef __NORTHBRIDGE_INTEL_HASWELL_HASWELL_H__
#define __NORTHBRIDGE_INTEL_HASWELL_HASWELL_H__

/* Chipset types */
#define HASWELL_MOBILE	0
#define HASWELL_DESKTOP	1
#define HASWELL_SERVER	2

#include "memmap.h"

#include <southbridge/intel/lynxpoint/pch.h>

/* Everything below this line is ignored in the DSDT */
#ifndef __ACPI__

/* Device 0:0.0 PCI configuration space (Host Bridge) */
#define HOST_BRIDGE	PCI_DEV(0, 0, 0)

#include "registers/host_bridge.h"

/* Device 0:1.0 PCI configuration space (PCIe Graphics) */

#define PEG_DCAP2	0xc4	/* 32bit */

#define PEG_ESD		0x144	/* 32bit */
#define PEG_LE1D	0x150	/* 32bit */
#define PEG_LE1A	0x158	/* 64bit */

/* Device 0:2.0 PCI configuration space (Graphics Device) */

#define MSAC		0x62	/* Multi Size Aperture Control */

/*
 * MCHBAR
 */

#define MCHBAR8(x)  (*((volatile u8  *)(DEFAULT_MCHBAR + (x))))
#define MCHBAR16(x) (*((volatile u16 *)(DEFAULT_MCHBAR + (x))))
#define MCHBAR32(x) (*((volatile u32 *)(DEFAULT_MCHBAR + (x))))
#define MCHBAR8_AND(x,  and) (MCHBAR8(x)  = MCHBAR8(x)  & (and))
#define MCHBAR16_AND(x, and) (MCHBAR16(x) = MCHBAR16(x) & (and))
#define MCHBAR32_AND(x, and) (MCHBAR32(x) = MCHBAR32(x) & (and))
#define MCHBAR8_OR(x,  or) (MCHBAR8(x)  = MCHBAR8(x)  | (or))
#define MCHBAR16_OR(x, or) (MCHBAR16(x) = MCHBAR16(x) | (or))
#define MCHBAR32_OR(x, or) (MCHBAR32(x) = MCHBAR32(x) | (or))
#define MCHBAR8_AND_OR(x,  and, or) (MCHBAR8(x)  = (MCHBAR8(x)  & (and)) | (or))
#define MCHBAR16_AND_OR(x, and, or) (MCHBAR16(x) = (MCHBAR16(x) & (and)) | (or))
#define MCHBAR32_AND_OR(x, and, or) (MCHBAR32(x) = (MCHBAR32(x) & (and)) | (or))

/* As there are many registers, define them on a separate file */
#include "registers/mchbar.h"

#define ARCHDIS		0xff0	/* DMA Remap Engine Policy Control */
#define  DMAR_LCKDN	(1 << 31)
#define  SPCAPCTRL	(1 << 25)
#define  L3HIT2PEND_DIS	(1 << 20)
#define  PRSCAPDIS	(1 << 2)
#define  GLBIOTLBINV	(1 << 1)
#define  GLBCTXTINV	(1 << 0)

/*
 * EPBAR - Egress Port Root Complex Register Block
 */

#define EPBAR8(x)  *((volatile u8  *)(DEFAULT_EPBAR + (x)))
#define EPBAR16(x) *((volatile u16 *)(DEFAULT_EPBAR + (x)))
#define EPBAR32(x) *((volatile u32 *)(DEFAULT_EPBAR + (x)))
#define EPBAR64(x) *((volatile u64 *)(DEFAULT_EPBAR + (x)))

#include "registers/epbar.h"

/*
 * DMIBAR
 */

#define DMIBAR8(x)  *((volatile u8  *)(DEFAULT_DMIBAR + (x)))
#define DMIBAR16(x) *((volatile u16 *)(DEFAULT_DMIBAR + (x)))
#define DMIBAR32(x) *((volatile u32 *)(DEFAULT_DMIBAR + (x)))
#define DMIBAR64(x) *((volatile u64 *)(DEFAULT_DMIBAR + (x)))

#include "registers/dmibar.h"

#ifndef __ASSEMBLER__

void intel_northbridge_haswell_finalize_smm(void);

void mb_late_romstage_setup(void); /* optional */

void haswell_early_initialization(void);
void haswell_late_initialization(void);
void haswell_unhide_peg(void);

void report_platform_info(void);

int decode_pcie_bar(u32 *const base, u32 *const len);

#include <device/device.h>

struct acpi_rsdp;
unsigned long northbridge_write_acpi_tables(const struct device *device, unsigned long start,
					    struct acpi_rsdp *rsdp);

#endif /* __ASSEMBLER__ */
#endif /* __ACPI__ */
#endif /* __NORTHBRIDGE_INTEL_HASWELL_HASWELL_H__ */