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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __NORTHBRIDGE_INTEL_X4X_H__
#define __NORTHBRIDGE_INTEL_X4X_H__
#include <stdint.h>
#include "memmap.h"
#define BOOT_PATH_NORMAL 0
#define BOOT_PATH_WARM_RESET 1
#define BOOT_PATH_RESUME 2
/*
* D0:F0
*/
#define HOST_BRIDGE PCI_DEV(0, 0, 0)
#include "registers/host_bridge.h"
/*
* D1:F0 PEG
*/
#define PEG_CAP 0xa2
#define SLOTCAP 0xb4
#define PEGLC 0xec
#define D1F0_VCCAP 0x104
#define D1F0_VC0RCTL 0x114
/*
* Graphics frequencies
*/
#define GCFGC_PCIDEV PCI_DEV(0, 2, 0)
#define GCFGC_OFFSET 0xf0
#define GCFGC_CR_SHIFT 0
#define GCFGC_CR_MASK (0xf << GCFGC_CR_SHIFT)
#define GCFGC_CS_SHIFT 8
#define GCFGC_CS_MASK (0xf << GCFGC_CS_SHIFT)
#define GCFGC_CD_SHIFT 12
#define GCFGC_CD_MASK (0x1 << GCFGC_CD_SHIFT)
#define GCFGC_UPDATE_SHIFT 5
#define GCFGC_UPDATE (0x1 << GCFGC_UPDATE_SHIFT)
/*
* 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))
#define CHDECMISC 0x111
#define STACKED_MEM (1 << 1)
#define C0DRB0 0x200
#define C0DRB1 0x202
#define C0DRB2 0x204
#define C0DRB3 0x206
#define C0DRA01 0x208
#define C0DRA23 0x20a
#define C0CKECTRL 0x260
#define C1DRB0 0x600
#define C1DRB1 0x602
#define C1DRB2 0x604
#define C1DRB3 0x606
#define C1DRA01 0x608
#define C1DRA23 0x60a
#define C1CKECTRL 0x660
#define PMSTS_MCHBAR 0x0f14 /* Self refresh channel status */
#define PMSTS_WARM_RESET (1 << 8)
#define PMSTS_BOTH_SELFREFRESH (3 << 0)
#define CLKCFG_MCHBAR 0x0c00
#define CLKCFG_FSBCLK_SHIFT 0
#define CLKCFG_FSBCLK_MASK (7 << CLKCFG_FSBCLK_SHIFT)
#define CLKCFG_MEMCLK_SHIFT 4
#define CLKCFG_MEMCLK_MASK (7 << CLKCFG_MEMCLK_SHIFT)
#define CLKCFG_UPDATE (1 << 12)
#define SSKPD_MCHBAR 0x0c20 /* 64 bit */
/*
* 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 DMIVC0RCAP 0x010 /* 32bit */
#define DMIVC0RCTL 0x014 /* 32bit */
#define DMIVC0RSTS 0x01a /* 16bit */
#define VC0NP (1 << 1)
#define DMIVC1RCAP 0x01c /* 32bit */
#define DMIVC1RCTL 0x020 /* 32bit */
#define DMIVC1RSTS 0x026 /* 16bit */
#define VC1NP (1 << 1)
#define DMIVCPRCAP 0x028 /* 32bit */
#define DMIVCPRCTL 0x02c /* 32bit */
#define DMIVCPRSTS 0x032 /* 16bit */
#define VCPNP (1 << 1)
#define DMIVCMRCAP 0x034 /* 32bit */
#define DMIVCMRCTL 0x038 /* 32bit */
#define DMIVCMRSTS 0x03e /* 16bit */
#define VCMNP (1 << 1)
#define DMIESD 0x044 /* 32bit */
#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 DMIUESTS 0x1c4 /* 32bit */
#define DMICESTS 0x1d0 /* 32bit */
/*
* EPBAR
*/
#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 EPPVCCTL 0x00c /* 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 EPVC1ITC 0x02c /* 32bit */
#define EPESD 0x044 /* 32bit */
#define EPLE1D 0x050 /* 32bit */
#define EPLE1A 0x058 /* 64bit */
#define EPLE2D 0x060 /* 32bit */
#define EPLE2A 0x068 /* 64bit */
#define EP_PORTARB(x) (0x100 + 4 * (x)) /* 256bit */
void x4x_early_init(void);
void x4x_late_init(int s3resume);
void mb_get_spd_map(u8 spd_map[4]);
void mb_pre_raminit_setup(int s3_resume);
u32 decode_igd_memory_size(u32 gms);
u32 decode_igd_gtt_size(u32 gsm);
u32 decode_tseg_size(const u32 esmramc);
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 /* __NORTHBRIDGE_INTEL_X4X_H__ */
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