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

/* Intel Enhanced Debug region */
#define IED_SIZE	CONFIG_IED_REGION_SIZE

/* Northbridge BARs */
#define DEFAULT_MCHBAR		0xfed10000		/* 16 KB */
#define DEFAULT_DMIBAR		0xfed18000		/* 4 KB */
#define DEFAULT_EPBAR		0xfed19000		/* 4 KB */

#define GFXVT_BASE_ADDRESS	0xfed90000ULL
#define GFXVT_BASE_SIZE		0x1000

#define VTVC0_BASE_ADDRESS	0xfed91000ULL
#define VTVC0_BASE_SIZE		0x1000

#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)

#define EPBAR		0x40
#define MCHBAR		0x48
#define PCIEXBAR	0x60
#define DMIBAR		0x68

#define GGC		0x50			/* GMCH Graphics Control */
#define  GGC_DISABLE_VGA_IO_DECODE	(1 << 1)
#define  GGC_IGD_MEM_IN_32MB_UNITS(x)	(((x) & 0x1f) << 3)
#define  GGC_GTT_0MB			(0 << 8)
#define  GGC_GTT_1MB			(1 << 8)
#define  GGC_GTT_2MB			(2 << 8)

#define DEVEN		0x54			/* Device Enable */
#define  DEVEN_D7EN	(1 << 14)
#define  DEVEN_D4EN	(1 << 7)
#define  DEVEN_D3EN	(1 << 5)
#define  DEVEN_D2EN	(1 << 4)
#define  DEVEN_D1F0EN	(1 << 3)
#define  DEVEN_D1F1EN	(1 << 2)
#define  DEVEN_D1F2EN	(1 << 1)
#define  DEVEN_D0EN	(1 << 0)

#define PAM0		0x80
#define PAM1		0x81
#define PAM2		0x82
#define PAM3		0x83
#define PAM4		0x84
#define PAM5		0x85
#define PAM6		0x86

#define LAC		0x87	/* Legacy Access Control */
#define SMRAM		0x88	/* System Management RAM Control */
#define  D_OPEN		(1 << 6)
#define  D_CLS		(1 << 5)
#define  D_LCK		(1 << 4)
#define  G_SMRAME	(1 << 3)
#define  C_BASE_SEG	((0 << 2) | (1 << 1) | (0 << 0))

#define MESEG_BASE	0x70	/* Management Engine Base */
#define MESEG_LIMIT	0x78	/* Management Engine Limit */
#define REMAPBASE	0x90	/* Remap base */
#define REMAPLIMIT	0x98	/* Remap limit */
#define TOM		0xa0	/* Top of DRAM in memory controller space */
#define TOUUD		0xa8	/* Top of Upper Usable DRAM */
#define BDSM		0xb0	/* Base Data Stolen Memory */
#define BGSM		0xb4	/* Base GTT Stolen Memory */
#define TSEG		0xb8	/* TSEG base */
#define TOLUD		0xbc	/* Top of Low Used Memory */

#define SKPAD		0xdc	/* Scratchpad Data */

#define CAPID0_A	0xe4
#define  VTD_DISABLE	(1 << 23)
#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)


/* 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 "mchbar_regs.h"

/*
 * 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 EPPVCCAP1	0x004	/* 32bit */
#define EPPVCCAP2	0x008	/* 32bit */

#define EPVC0RCAP	0x010	/* 32bit */
#define EPVC0RCTL	0x014	/* 32bit */
#define EPVC0RSTS	0x01a	/* 16bit */

#define EPVC1RCAP	0x01c	/* 32bit */
#define EPVC1RCTL	0x020	/* 32bit */
#define EPVC1RSTS	0x026	/* 16bit */

#define EPVC1MTS	0x028	/* 32bit */
#define EPVC1IST	0x038	/* 64bit */

#define EPESD		0x044	/* 32bit */

#define EPLE1D		0x050	/* 32bit */
#define EPLE1A		0x058	/* 64bit */
#define EPLE2D		0x060	/* 32bit */
#define EPLE2A		0x068	/* 64bit */

#define PORTARB		0x100	/* 256bit */

/*
 * 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 DMIVCECH	0x000	/* 32bit */
#define DMIPVCCAP1	0x004	/* 32bit */
#define DMIPVCCAP2	0x008	/* 32bit */

#define DMIPVCCCTL	0x00c	/* 16bit */

#define DMIVC0RCAP	0x010	/* 32bit */
#define DMIVC0RCTL0	0x014	/* 32bit */
#define DMIVC0RSTS	0x01a	/* 16bit */

#define DMIVC1RCAP	0x01c	/* 32bit */
#define DMIVC1RCTL	0x020	/* 32bit */
#define DMIVC1RSTS	0x026	/* 16bit */

#define DMILE1D		0x050	/* 32bit */
#define DMILE1A		0x058	/* 64bit */
#define DMILE2D		0x060	/* 32bit */
#define DMILE2A		0x068	/* 64bit */

#define DMILCAP		0x084	/* 32bit */
#define DMILCTL		0x088	/* 16bit */
#define DMILSTS		0x08a	/* 16bit */

#define DMICTL1		0x0f0	/* 32bit */
#define DMICTL2		0x0fc	/* 32bit */

#define DMICC		0x208	/* 32bit */

#define DMIDRCCFG	0xeb4	/* 32bit */

#ifndef __ASSEMBLER__

void intel_northbridge_haswell_finalize_smm(void);

struct pei_data;
struct romstage_params {
	struct pei_data *pei_data;
	void (*copy_spd)(struct pei_data *peid);
};
void romstage_common(const struct romstage_params *params);
void mb_late_romstage_setup(void); /* optional */

void haswell_early_initialization(void);
void haswell_late_initialization(void);
void set_translation_table(int start, int end, u64 base, int inc);
void haswell_unhide_peg(void);

void report_platform_info(void);

#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__ */