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      1 /** @file
      2 Macros to simplify and abstract the interface to PCI configuration.
      3 
      4 Copyright (c) 2013-2015 Intel Corporation.
      5 
      6 This program and the accompanying materials
      7 are licensed and made available under the terms and conditions of the BSD License
      8 which accompanies this distribution.  The full text of the license may be found at
      9 http://opensource.org/licenses/bsd-license.php
     10 
     11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
     12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
     13 
     14 
     15 **/
     16 
     17 #ifndef _QNC_ACCESS_H_
     18 #define _QNC_ACCESS_H_
     19 
     20 #include "QuarkNcSocId.h"
     21 #include "QNCCommonDefinitions.h"
     22 
     23 #define EFI_LPC_PCI_ADDRESS( Register ) \
     24   EFI_PCI_ADDRESS(PCI_BUS_NUMBER_QNC, PCI_DEVICE_NUMBER_QNC_LPC, PCI_FUNCTION_NUMBER_QNC_LPC, Register)
     25 
     26 //
     27 // QNC Controller PCI access macros
     28 //
     29 #define QNC_RCRB_BASE (QNCMmio32 (PciDeviceMmBase (0, PCI_DEVICE_NUMBER_QNC_LPC, 0), R_QNC_LPC_RCBA) & B_QNC_LPC_RCBA_MASK)
     30 
     31 //
     32 // Device 0x1f, Function 0
     33 //
     34 
     35 #define LpcPciCfg32( Register ) \
     36   QNCMmPci32(0,PCI_BUS_NUMBER_QNC, PCI_DEVICE_NUMBER_QNC_LPC, 0, Register )
     37 
     38 #define LpcPciCfg32Or( Register, OrData ) \
     39   QNCMmPci32Or( 0,PCI_BUS_NUMBER_QNC, PCI_DEVICE_NUMBER_QNC_LPC, 0, Register, OrData )
     40 
     41 #define LpcPciCfg32And( Register, AndData ) \
     42   QNCMmPci32And( 0,PCI_BUS_NUMBER_QNC, PCI_DEVICE_NUMBER_QNC_LPC, 0, Register, AndData )
     43 
     44 #define LpcPciCfg32AndThenOr( Register, AndData, OrData ) \
     45   QNCMmPci32AndThenOr( 0,PCI_BUS_NUMBER_QNC, PCI_DEVICE_NUMBER_QNC_LPC, 0, Register, AndData, OrData )
     46 
     47 #define LpcPciCfg16( Register ) \
     48   QNCMmPci16( 0,PCI_BUS_NUMBER_QNC, PCI_DEVICE_NUMBER_QNC_LPC, 0, Register )
     49 
     50 #define LpcPciCfg16Or( Register, OrData ) \
     51   QNCMmPci16Or(  0,PCI_BUS_NUMBER_QNC, PCI_DEVICE_NUMBER_QNC_LPC, 0, Register, OrData )
     52 
     53 #define LpcPciCfg16And( Register, AndData ) \
     54   QNCMmPci16And( 0,PCI_BUS_NUMBER_QNC, PCI_DEVICE_NUMBER_QNC_LPC, 0, Register, AndData )
     55 
     56 #define LpcPciCfg16AndThenOr( Register, AndData, OrData ) \
     57   QNCMmPci16AndThenOr( 0,PCI_BUS_NUMBER_QNC, PCI_DEVICE_NUMBER_QNC_LPC, 0, Register, AndData, OrData )
     58 
     59 #define LpcPciCfg8( Register ) \
     60   QNCMmPci8( 0,PCI_BUS_NUMBER_QNC, PCI_DEVICE_NUMBER_QNC_LPC, 0, Register )
     61 
     62 #define LpcPciCfg8Or( Register, OrData ) \
     63   QNCMmPci8Or(  0,PCI_BUS_NUMBER_QNC, PCI_DEVICE_NUMBER_QNC_LPC, 0, Register, OrData )
     64 
     65 #define LpcPciCfg8And( Register, AndData ) \
     66   QNCMmPci8And(  0,PCI_BUS_NUMBER_QNC, PCI_DEVICE_NUMBER_QNC_LPC, 0, Register, AndData )
     67 
     68 #define LpcPciCfg8AndThenOr( Register, AndData, OrData ) \
     69   QNCMmPci8AndThenOr(  0,PCI_BUS_NUMBER_QNC, PCI_DEVICE_NUMBER_QNC_LPC, 0, Register, AndData, OrData )
     70 
     71 //
     72 // Root Complex Register Block
     73 //
     74 
     75 #define MmRcrb32( Register ) \
     76   QNCMmio32( QNC_RCRB_BASE, Register )
     77 
     78 #define MmRcrb32Or( Register, OrData ) \
     79   QNCMmio32Or( QNC_RCRB_BASE, Register, OrData )
     80 
     81 #define MmRcrb32And( Register, AndData ) \
     82   QNCMmio32And( QNC_RCRB_BASE, Register, AndData )
     83 
     84 #define MmRcrb32AndThenOr( Register, AndData, OrData ) \
     85   QNCMmio32AndThenOr( QNC_RCRB_BASE, Register, AndData, OrData )
     86 
     87 #define MmRcrb16( Register ) \
     88   QNCMmio16( QNC_RCRB_BASE, Register )
     89 
     90 #define MmRcrb16Or( Register, OrData ) \
     91   QNCMmio16Or( QNC_RCRB_BASE, Register, OrData )
     92 
     93 #define MmRcrb16And( Register, AndData ) \
     94   QNCMmio16And( QNC_RCRB_BASE, Register, AndData )
     95 
     96 #define MmRcrb16AndThenOr( Register, AndData, OrData ) \
     97   QNCMmio16AndThenOr( QNC_RCRB_BASE, Register, AndData, OrData )
     98 
     99 #define MmRcrb8( Register ) \
    100   QNCMmio8( QNC_RCRB_BASE, Register )
    101 
    102 #define MmRcrb8Or( Register, OrData ) \
    103   QNCMmio8Or( QNC_RCRB_BASE, Register, OrData )
    104 
    105 #define MmRcrb8And( Register, AndData ) \
    106   QNCMmio8And( QNC_RCRB_BASE, Register, AndData )
    107 
    108 #define MmRcrb8AndThenOr( Register, AndData, OrData ) \
    109   QNCMmio8AndThenOr( QNC_RCRB_BASE, Register, AndData, OrData )
    110 
    111 //
    112 // Memory Controller PCI access macros
    113 //
    114 
    115 //
    116 // Device 0, Function 0
    117 //
    118 
    119 #define McD0PciCfg64(Register)                              QNCMmPci32           (0, MC_BUS, 0, 0, Register)
    120 #define McD0PciCfg64Or(Register, OrData)                    QNCMmPci32Or         (0, MC_BUS, 0, 0, Register, OrData)
    121 #define McD0PciCfg64And(Register, AndData)                  QNCMmPci32And        (0, MC_BUS, 0, 0, Register, AndData)
    122 #define McD0PciCfg64AndThenOr(Register, AndData, OrData)    QNCMmPci32AndThenOr  (0, MC_BUS, 0, 0, Register, AndData, OrData)
    123 
    124 #define McD0PciCfg32(Register)                              QNCMmPci32           (0, MC_BUS, 0, 0, Register)
    125 #define McD0PciCfg32Or(Register, OrData)                    QNCMmPci32Or         (0, MC_BUS, 0, 0, Register, OrData)
    126 #define McD0PciCfg32And(Register, AndData)                  QNCMmPci32And        (0, MC_BUS, 0, 0, Register, AndData)
    127 #define McD0PciCfg32AndThenOr(Register, AndData, OrData)    QNCMmPci32AndThenOr  (0, MC_BUS, 0, 0, Register, AndData, OrData)
    128 
    129 #define McD0PciCfg16(Register)                              QNCMmPci16           (0, MC_BUS, 0, 0, Register)
    130 #define McD0PciCfg16Or(Register, OrData)                    QNCMmPci16Or         (0, MC_BUS, 0, 0, Register, OrData)
    131 #define McD0PciCfg16And(Register, AndData)                  QNCMmPci16And        (0, MC_BUS, 0, 0, Register, AndData)
    132 #define McD0PciCfg16AndThenOr(Register, AndData, OrData)    QNCMmPci16AndThenOr  (0, MC_BUS, 0, 0, Register, AndData, OrData)
    133 
    134 #define McD0PciCfg8(Register)                               QNCMmPci8            (0, MC_BUS, 0, 0, Register)
    135 #define McD0PciCfg8Or(Register, OrData)                     QNCMmPci8Or          (0, MC_BUS, 0, 0, Register, OrData)
    136 #define McD0PciCfg8And(Register, AndData)                   QNCMmPci8And         (0, MC_BUS, 0, 0, Register, AndData)
    137 #define McD0PciCfg8AndThenOr( Register, AndData, OrData )   QNCMmPci8AndThenOr   (0, MC_BUS, 0, 0, Register, AndData, OrData)
    138 
    139 
    140 //
    141 // Memory Controller Hub Memory Mapped IO register access ???
    142 //
    143 #define MCH_REGION_BASE                     (McD0PciCfg64 (MC_MCHBAR_OFFSET) & ~BIT0)
    144 #define McMmioAddress(Register)             ((UINTN) MCH_REGION_BASE + (UINTN) (Register))
    145 
    146 #define McMmio32Ptr(Register)               ((volatile UINT32*) McMmioAddress (Register))
    147 #define McMmio64Ptr(Register)               ((volatile UINT64*) McMmioAddress (Register))
    148 
    149 #define McMmio64(Register)                            *McMmio64Ptr( Register )
    150 #define McMmio64Or(Register, OrData)                  (McMmio64 (Register) |= (UINT64)(OrData))
    151 #define McMmio64And(Register, AndData)                (McMmio64 (Register) &= (UINT64)(AndData))
    152 #define McMmio64AndThenOr(Register, AndData, OrData)  (McMmio64 ( Register ) = (McMmio64( Register ) & (UINT64)(AndData)) | (UINT64)(OrData))
    153 
    154 #define McMmio32(Register)                            *McMmio32Ptr (Register)
    155 #define McMmio32Or(Register, OrData)                  (McMmio32 (Register) |= (UINT32)(OrData))
    156 #define McMmio32And(Register, AndData)                (McMmio32 (Register) &= (UINT32)(AndData))
    157 #define McMmio32AndThenOr(Register, AndData, OrData)  (McMmio32 (Register) = (McMmio32 (Register) & (UINT32) (AndData)) | (UINT32) (OrData))
    158 
    159 #define McMmio16Ptr(Register)                         ((volatile UINT16*) McMmioAddress (Register))
    160 #define McMmio16(Register)                            *McMmio16Ptr (Register)
    161 #define McMmio16Or(Register, OrData)                  (McMmio16 (Register) |= (UINT16) (OrData))
    162 #define McMmio16And(Register, AndData)                (McMmio16 (Register) &= (UINT16) (AndData))
    163 #define McMmio16AndThenOr(Register, AndData, OrData)  (McMmio16 (Register) = (McMmio16 (Register) & (UINT16) (AndData)) | (UINT16) (OrData))
    164 
    165 #define McMmio8Ptr(Register)                          ((volatile UINT8 *)McMmioAddress (Register))
    166 #define McMmio8(Register)                             *McMmio8Ptr (Register)
    167 #define McMmio8Or(Register, OrData)                   (McMmio8 (Register) |= (UINT8) (OrData))
    168 #define McMmio8And(Register, AndData)                 (McMmio8 (Register) &= (UINT8) (AndData))
    169 #define McMmio8AndThenOr(Register, AndData, OrData)   (McMmio8 (Register) = (McMmio8 (Register) & (UINT8) (AndData)) | (UINT8) (OrData))
    170 
    171 //
    172 // QNC memory mapped related data structure deifinition
    173 //
    174 typedef enum {
    175   QNCMmioWidthUint8  = 0,
    176   QNCMmioWidthUint16 = 1,
    177   QNCMmioWidthUint32 = 2,
    178   QNCMmioWidthUint64 = 3,
    179   QNCMmioWidthMaximum
    180 } QNC_MEM_IO_WIDTH;
    181 
    182 #endif
    183 
    184