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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __HASWELL_REGISTERS_MCHBAR_H__
#define __HASWELL_REGISTERS_MCHBAR_H__
/* Memory controller characteristics */
#define NUM_CHANNELS 2
#define NUM_SLOTS 2
/* Register definitions */
#define MAD_CHNL 0x5000 /* Address Decoder Channel Configuration */
#define MAD_DIMM(ch) (0x5004 + (ch) * 4)
#define MC_INIT_STATE_G 0x5030
#define MRC_REVISION 0x5034 /* MRC Revision */
#define MC_LOCK 0x50fc /* Memory Controlller Lock register */
#define GFXVTBAR 0x5400 /* Base address for IGD */
#define EDRAMBAR 0x5408 /* Base address for eDRAM */
#define VTVC0BAR 0x5410 /* Base address for PEG, USB, SATA, etc. */
#define INTRDIRCTL 0x5418 /* Interrupt Redirection Control (PAIR) */
#define GDXCBAR 0x5420 /* Generic Debug eXternal Connection */
/* PAVP message register. Bit 0 locks PAVP settings, and bits [31..20] are an offset. */
#define MMIO_PAVP_MSG 0x5500
#define PCU_DDR_PTM_CTL 0x5880
/* Some power MSRs are also represented in MCHBAR */
#define MCH_PKG_POWER_LIMIT_LO 0x59a0
#define MCH_PKG_POWER_LIMIT_HI 0x59a4
#define MCH_DDR_POWER_LIMIT_LO 0x58e0
#define MCH_DDR_POWER_LIMIT_HI 0x58e4
#define SSKPD 0x5d10 /* 64-bit scratchpad register */
/* PCODE MMIO communications live in the MCHBAR */
#define BIOS_MAILBOX_DATA 0x5da0
#define BIOS_MAILBOX_INTERFACE 0x5da4
#define MAILBOX_RUN_BUSY (1 << 31)
#define MAILBOX_BIOS_CMD_READ_PCS 1
#define MAILBOX_BIOS_CMD_WRITE_PCS 2
#define MAILBOX_BIOS_CMD_READ_CALIBRATION 0x509
#define MAILBOX_BIOS_CMD_FSM_MEASURE_INTVL 0x909
#define MAILBOX_BIOS_CMD_READ_PCH_POWER 0xa
#define MAILBOX_BIOS_CMD_READ_PCH_POWER_EXT 0xb
/* Errors are returned back in bits 7:0 */
#define MAILBOX_BIOS_ERROR_NONE 0
#define MAILBOX_BIOS_ERROR_INVALID_COMMAND 1
#define MAILBOX_BIOS_ERROR_TIMEOUT 2
#define MAILBOX_BIOS_ERROR_ILLEGAL_DATA 3
#define MAILBOX_BIOS_ERROR_RESERVED 4
#define MAILBOX_BIOS_ERROR_ILLEGAL_VR_ID 5
#define MAILBOX_BIOS_ERROR_VR_INTERFACE_LOCKED 6
#define MAILBOX_BIOS_ERROR_VR_ERROR 7
#define BIOS_RESET_CPL 0x5da8 /* 8-bit */
#define MC_BIOS_DATA 0x5e04 /* Miscellaneous information for BIOS */
#define SAPMCTL 0x5f00
#define HDAUDRID 0x6008
#define UMAGFXCTL 0x6020
#define VDMBDFBARKVM 0x6030
#define VDMBDFBARPAVP 0x6034
#define VTDTRKLCK 0x63fc
#define REQLIM 0x6800
#define DMIVCLIM 0x7000
#define CRDTLCK 0x77fc
#define MCARBLCK 0x7ffc
#endif /* __HASWELL_REGISTERS_MCHBAR_H__ */
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