linux/drivers/misc/mei/hw-me-regs.h
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   1/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
   2/*
   3 * Copyright (c) 2003-2019, Intel Corporation. All rights reserved.
   4 * Intel Management Engine Interface (Intel MEI) Linux driver
   5 */
   6#ifndef _MEI_HW_MEI_REGS_H_
   7#define _MEI_HW_MEI_REGS_H_
   8
   9/*
  10 * MEI device IDs
  11 */
  12#define MEI_DEV_ID_82946GZ    0x2974  /* 82946GZ/GL */
  13#define MEI_DEV_ID_82G35      0x2984  /* 82G35 Express */
  14#define MEI_DEV_ID_82Q965     0x2994  /* 82Q963/Q965 */
  15#define MEI_DEV_ID_82G965     0x29A4  /* 82P965/G965 */
  16
  17#define MEI_DEV_ID_82GM965    0x2A04  /* Mobile PM965/GM965 */
  18#define MEI_DEV_ID_82GME965   0x2A14  /* Mobile GME965/GLE960 */
  19
  20#define MEI_DEV_ID_ICH9_82Q35 0x29B4  /* 82Q35 Express */
  21#define MEI_DEV_ID_ICH9_82G33 0x29C4  /* 82G33/G31/P35/P31 Express */
  22#define MEI_DEV_ID_ICH9_82Q33 0x29D4  /* 82Q33 Express */
  23#define MEI_DEV_ID_ICH9_82X38 0x29E4  /* 82X38/X48 Express */
  24#define MEI_DEV_ID_ICH9_3200  0x29F4  /* 3200/3210 Server */
  25
  26#define MEI_DEV_ID_ICH9_6     0x28B4  /* Bearlake */
  27#define MEI_DEV_ID_ICH9_7     0x28C4  /* Bearlake */
  28#define MEI_DEV_ID_ICH9_8     0x28D4  /* Bearlake */
  29#define MEI_DEV_ID_ICH9_9     0x28E4  /* Bearlake */
  30#define MEI_DEV_ID_ICH9_10    0x28F4  /* Bearlake */
  31
  32#define MEI_DEV_ID_ICH9M_1    0x2A44  /* Cantiga */
  33#define MEI_DEV_ID_ICH9M_2    0x2A54  /* Cantiga */
  34#define MEI_DEV_ID_ICH9M_3    0x2A64  /* Cantiga */
  35#define MEI_DEV_ID_ICH9M_4    0x2A74  /* Cantiga */
  36
  37#define MEI_DEV_ID_ICH10_1    0x2E04  /* Eaglelake */
  38#define MEI_DEV_ID_ICH10_2    0x2E14  /* Eaglelake */
  39#define MEI_DEV_ID_ICH10_3    0x2E24  /* Eaglelake */
  40#define MEI_DEV_ID_ICH10_4    0x2E34  /* Eaglelake */
  41
  42#define MEI_DEV_ID_IBXPK_1    0x3B64  /* Calpella */
  43#define MEI_DEV_ID_IBXPK_2    0x3B65  /* Calpella */
  44
  45#define MEI_DEV_ID_CPT_1      0x1C3A  /* Couger Point */
  46#define MEI_DEV_ID_PBG_1      0x1D3A  /* C600/X79 Patsburg */
  47
  48#define MEI_DEV_ID_PPT_1      0x1E3A  /* Panther Point */
  49#define MEI_DEV_ID_PPT_2      0x1CBA  /* Panther Point */
  50#define MEI_DEV_ID_PPT_3      0x1DBA  /* Panther Point */
  51
  52#define MEI_DEV_ID_LPT_H      0x8C3A  /* Lynx Point H */
  53#define MEI_DEV_ID_LPT_W      0x8D3A  /* Lynx Point - Wellsburg */
  54#define MEI_DEV_ID_LPT_LP     0x9C3A  /* Lynx Point LP */
  55#define MEI_DEV_ID_LPT_HR     0x8CBA  /* Lynx Point H Refresh */
  56
  57#define MEI_DEV_ID_WPT_LP     0x9CBA  /* Wildcat Point LP */
  58#define MEI_DEV_ID_WPT_LP_2   0x9CBB  /* Wildcat Point LP 2 */
  59
  60#define MEI_DEV_ID_SPT        0x9D3A  /* Sunrise Point */
  61#define MEI_DEV_ID_SPT_2      0x9D3B  /* Sunrise Point 2 */
  62#define MEI_DEV_ID_SPT_H      0xA13A  /* Sunrise Point H */
  63#define MEI_DEV_ID_SPT_H_2    0xA13B  /* Sunrise Point H 2 */
  64
  65#define MEI_DEV_ID_LBG        0xA1BA  /* Lewisburg (SPT) */
  66
  67#define MEI_DEV_ID_BXT_M      0x1A9A  /* Broxton M */
  68#define MEI_DEV_ID_APL_I      0x5A9A  /* Apollo Lake I */
  69
  70#define MEI_DEV_ID_DNV_IE     0x19E5  /* Denverton IE */
  71
  72#define MEI_DEV_ID_GLK        0x319A  /* Gemini Lake */
  73
  74#define MEI_DEV_ID_KBP        0xA2BA  /* Kaby Point */
  75#define MEI_DEV_ID_KBP_2      0xA2BB  /* Kaby Point 2 */
  76
  77#define MEI_DEV_ID_CNP_LP     0x9DE0  /* Cannon Point LP */
  78#define MEI_DEV_ID_CNP_LP_4   0x9DE4  /* Cannon Point LP 4 (iTouch) */
  79#define MEI_DEV_ID_CNP_H      0xA360  /* Cannon Point H */
  80#define MEI_DEV_ID_CNP_H_4    0xA364  /* Cannon Point H 4 (iTouch) */
  81
  82#define MEI_DEV_ID_CMP_LP     0x02e0  /* Comet Point LP */
  83#define MEI_DEV_ID_CMP_LP_3   0x02e4  /* Comet Point LP 3 (iTouch) */
  84
  85#define MEI_DEV_ID_ICP_LP     0x34E0  /* Ice Lake Point LP */
  86
  87#define MEI_DEV_ID_TGP_LP     0xA0E0  /* Tiger Lake Point LP */
  88
  89#define MEI_DEV_ID_MCC        0x4B70  /* Mule Creek Canyon (EHL) */
  90#define MEI_DEV_ID_MCC_4      0x4B75  /* Mule Creek Canyon 4 (EHL) */
  91
  92/*
  93 * MEI HW Section
  94 */
  95
  96/* Host Firmware Status Registers in PCI Config Space */
  97#define PCI_CFG_HFS_1         0x40
  98#  define PCI_CFG_HFS_1_D0I3_MSK     0x80000000
  99#define PCI_CFG_HFS_2         0x48
 100#define PCI_CFG_HFS_3         0x60
 101#define PCI_CFG_HFS_4         0x64
 102#define PCI_CFG_HFS_5         0x68
 103#define PCI_CFG_HFS_6         0x6C
 104
 105/* MEI registers */
 106/* H_CB_WW - Host Circular Buffer (CB) Write Window register */
 107#define H_CB_WW    0
 108/* H_CSR - Host Control Status register */
 109#define H_CSR      4
 110/* ME_CB_RW - ME Circular Buffer Read Window register (read only) */
 111#define ME_CB_RW   8
 112/* ME_CSR_HA - ME Control Status Host Access register (read only) */
 113#define ME_CSR_HA  0xC
 114/* H_HGC_CSR - PGI register */
 115#define H_HPG_CSR  0x10
 116/* H_D0I3C - D0I3 Control  */
 117#define H_D0I3C    0x800
 118
 119/* register bits of H_CSR (Host Control Status register) */
 120/* Host Circular Buffer Depth - maximum number of 32-bit entries in CB */
 121#define H_CBD             0xFF000000
 122/* Host Circular Buffer Write Pointer */
 123#define H_CBWP            0x00FF0000
 124/* Host Circular Buffer Read Pointer */
 125#define H_CBRP            0x0000FF00
 126/* Host Reset */
 127#define H_RST             0x00000010
 128/* Host Ready */
 129#define H_RDY             0x00000008
 130/* Host Interrupt Generate */
 131#define H_IG              0x00000004
 132/* Host Interrupt Status */
 133#define H_IS              0x00000002
 134/* Host Interrupt Enable */
 135#define H_IE              0x00000001
 136/* Host D0I3 Interrupt Enable */
 137#define H_D0I3C_IE        0x00000020
 138/* Host D0I3 Interrupt Status */
 139#define H_D0I3C_IS        0x00000040
 140
 141/* H_CSR masks */
 142#define H_CSR_IE_MASK     (H_IE | H_D0I3C_IE)
 143#define H_CSR_IS_MASK     (H_IS | H_D0I3C_IS)
 144
 145/* register bits of ME_CSR_HA (ME Control Status Host Access register) */
 146/* ME CB (Circular Buffer) Depth HRA (Host Read Access) - host read only
 147access to ME_CBD */
 148#define ME_CBD_HRA        0xFF000000
 149/* ME CB Write Pointer HRA - host read only access to ME_CBWP */
 150#define ME_CBWP_HRA       0x00FF0000
 151/* ME CB Read Pointer HRA - host read only access to ME_CBRP */
 152#define ME_CBRP_HRA       0x0000FF00
 153/* ME Power Gate Isolation Capability HRA  - host ready only access */
 154#define ME_PGIC_HRA       0x00000040
 155/* ME Reset HRA - host read only access to ME_RST */
 156#define ME_RST_HRA        0x00000010
 157/* ME Ready HRA - host read only access to ME_RDY */
 158#define ME_RDY_HRA        0x00000008
 159/* ME Interrupt Generate HRA - host read only access to ME_IG */
 160#define ME_IG_HRA         0x00000004
 161/* ME Interrupt Status HRA - host read only access to ME_IS */
 162#define ME_IS_HRA         0x00000002
 163/* ME Interrupt Enable HRA - host read only access to ME_IE */
 164#define ME_IE_HRA         0x00000001
 165
 166
 167/* H_HPG_CSR register bits */
 168#define H_HPG_CSR_PGIHEXR 0x00000001
 169#define H_HPG_CSR_PGI     0x00000002
 170
 171/* H_D0I3C register bits */
 172#define H_D0I3C_CIP      0x00000001
 173#define H_D0I3C_IR       0x00000002
 174#define H_D0I3C_I3       0x00000004
 175#define H_D0I3C_RR       0x00000008
 176
 177#endif /* _MEI_HW_MEI_REGS_H_ */
 178