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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __HASWELL_HOSTBRIDGE_REGS_H__
#define __HASWELL_HOSTBRIDGE_REGS_H__
#define EPBAR 0x40
#define MCHBAR 0x48
#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 PAVPC 0x58
#define DPR 0x5c
#define PCIEXBAR 0x60
#define DMIBAR 0x68
#define MESEG_BASE 0x70 /* Management Engine Base */
#define MESEG_LIMIT 0x78 /* Management Engine Limit */
#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 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 CAPID_ECCDIS (1 << 25)
#define VTD_DISABLE (1 << 23)
#define CAPID_DDPCD (1 << 14)
#define CAPID_PDCD (1 << 12)
#define CAPID_DDRSZ(x) (((x) >> 19) & 0x3)
#define CAPID0_B 0xe8
#endif /* __HASWELL_HOSTBRIDGE_REGS_H__ */
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