arch/powerpc/include/asm/m8260_pci.h

   1 #ifndef _PPC_KERNEL_M8260_PCI_H
   2 #define _PPC_KERNEL_M8260_PCI_H
   3
   4 #define M8265_PCIBR0    0x101ac
   5 #define M8265_PCIBR1    0x101b0
   6 #define M8265_PCIMSK0   0x101c4
   7 #define M8265_PCIMSK1   0x101c8
   8
   9 /* Bit definitions for PCIBR registers */
  10
  11 #define PCIBR_ENABLE        0x00000001
  12
  13 /* Bit definitions for PCIMSK registers */
  14
  15 #define PCIMSK_32KB         0xFFFF8000  /* Size of window, smallest */
  16 #define PCIMSK_64KB         0xFFFF0000
  17 #define PCIMSK_128KB        0xFFFE0000
  18 #define PCIMSK_256KB        0xFFFC0000
  19 #define PCIMSK_512KB        0xFFF80000
  20 #define PCIMSK_1MB          0xFFF00000
  21 #define PCIMSK_2MB          0xFFE00000
  22 #define PCIMSK_4MB          0xFFC00000
  23 #define PCIMSK_8MB          0xFF800000
  24 #define PCIMSK_16MB         0xFF000000
  25 #define PCIMSK_32MB         0xFE000000
  26 #define PCIMSK_64MB         0xFC000000
  27 #define PCIMSK_128MB        0xF8000000
  28 #define PCIMSK_256MB        0xF0000000
  29 #define PCIMSK_512MB        0xE0000000
  30 #define PCIMSK_1GB          0xC0000000  /* Size of window, largest */
  31
  32
  33 #define M826X_SCCR_PCI_MODE_EN 0x100
  34
  35
  36 /*
  37  * Outbound ATU registers (3 sets). These registers control how 60x bus (local)
  38  * addresses are translated to PCI addresses when the MPC826x is a PCI bus
  39  * master (initiator).
  40  */
  41
  42 #define POTAR_REG0          0x10800     /* PCI Outbound Translation Addr registers */
  43 #define POTAR_REG1          0x10818
  44 #define POTAR_REG2          0x10830
  45
  46 #define POBAR_REG0          0x10808     /* PCI Outbound Base Addr registers */
  47 #define POBAR_REG1          0x10820
  48 #define POBAR_REG2          0x10838
  49
  50 #define POCMR_REG0          0x10810     /* PCI Outbound Comparison Mask registers */
  51 #define POCMR_REG1          0x10828
  52 #define POCMR_REG2          0x10840
  53
  54 /* Bit definitions for POMCR registers */
  55
  56 #define POCMR_MASK_4KB      0x000FFFFF
  57 #define POCMR_MASK_8KB      0x000FFFFE
  58 #define POCMR_MASK_16KB     0x000FFFFC
  59 #define POCMR_MASK_32KB     0x000FFFF8
  60 #define POCMR_MASK_64KB     0x000FFFF0
  61 #define POCMR_MASK_128KB    0x000FFFE0
  62 #define POCMR_MASK_256KB    0x000FFFC0
  63 #define POCMR_MASK_512KB    0x000FFF80
  64 #define POCMR_MASK_1MB      0x000FFF00
  65 #define POCMR_MASK_2MB      0x000FFE00
  66 #define POCMR_MASK_4MB      0x000FFC00
  67 #define POCMR_MASK_8MB      0x000FF800
  68 #define POCMR_MASK_16MB     0x000FF000
  69 #define POCMR_MASK_32MB     0x000FE000
  70 #define POCMR_MASK_64MB     0x000FC000
  71 #define POCMR_MASK_128MB    0x000F8000
  72 #define POCMR_MASK_256MB    0x000F0000
  73 #define POCMR_MASK_512MB    0x000E0000
  74 #define POCMR_MASK_1GB      0x000C0000
  75
  76 #define POCMR_ENABLE        0x80000000
  77 #define POCMR_PCI_IO        0x40000000
  78 #define POCMR_PREFETCH_EN   0x20000000
  79
  80 /* Soft PCI reset */
  81
  82 #define PCI_GCR_REG         0x10880
  83
  84 /* Bit definitions for PCI_GCR registers */
  85
  86 #define PCIGCR_PCI_BUS_EN   0x1
  87
  88 /*
  89  * Inbound ATU registers (2 sets). These registers control how PCI addresses
  90  * are translated to 60x bus (local) addresses when the MPC826x is a PCI bus target.
  91  */
  92
  93 #define PITAR_REG1          0x108D0
  94 #define PIBAR_REG1          0x108D8
  95 #define PICMR_REG1          0x108E0
  96 #define PITAR_REG0          0x108E8
  97 #define PIBAR_REG0          0x108F0
  98 #define PICMR_REG0          0x108F8
  99
 100 /* Bit definitions for PCI Inbound Comparison Mask registers */
 101
 102 #define PICMR_MASK_4KB       0x000FFFFF
 103 #define PICMR_MASK_8KB       0x000FFFFE
 104 #define PICMR_MASK_16KB      0x000FFFFC
 105 #define PICMR_MASK_32KB      0x000FFFF8
 106 #define PICMR_MASK_64KB      0x000FFFF0
 107 #define PICMR_MASK_128KB     0x000FFFE0
 108 #define PICMR_MASK_256KB     0x000FFFC0
 109 #define PICMR_MASK_512KB     0x000FFF80
 110 #define PICMR_MASK_1MB       0x000FFF00
 111 #define PICMR_MASK_2MB       0x000FFE00
 112 #define PICMR_MASK_4MB       0x000FFC00
 113 #define PICMR_MASK_8MB       0x000FF800
 114 #define PICMR_MASK_16MB      0x000FF000
 115 #define PICMR_MASK_32MB      0x000FE000
 116 #define PICMR_MASK_64MB      0x000FC000
 117 #define PICMR_MASK_128MB     0x000F8000
 118 #define PICMR_MASK_256MB     0x000F0000
 119 #define PICMR_MASK_512MB     0x000E0000
 120 #define PICMR_MASK_1GB       0x000C0000
 121
 122 #define PICMR_ENABLE         0x80000000
 123 #define PICMR_NO_SNOOP_EN    0x40000000
 124 #define PICMR_PREFETCH_EN    0x20000000
 125
 126 /* PCI error Registers */
 127
 128 #define PCI_ERROR_STATUS_REG            0x10884
 129 #define PCI_ERROR_MASK_REG              0x10888
 130 #define PCI_ERROR_CONTROL_REG           0x1088C
 131 #define PCI_ERROR_ADRS_CAPTURE_REG      0x10890
 132 #define PCI_ERROR_DATA_CAPTURE_REG      0x10898
 133 #define PCI_ERROR_CTRL_CAPTURE_REG      0x108A0
 134
 135 /* PCI error Register bit defines */
 136
 137 #define PCI_ERROR_PCI_ADDR_PAR                  0x00000001
 138 #define PCI_ERROR_PCI_DATA_PAR_WR               0x00000002
 139 #define PCI_ERROR_PCI_DATA_PAR_RD               0x00000004
 140 #define PCI_ERROR_PCI_NO_RSP                    0x00000008
 141 #define PCI_ERROR_PCI_TAR_ABT                   0x00000010
 142 #define PCI_ERROR_PCI_SERR                      0x00000020
 143 #define PCI_ERROR_PCI_PERR_RD                   0x00000040
 144 #define PCI_ERROR_PCI_PERR_WR                   0x00000080
 145 #define PCI_ERROR_I2O_OFQO                      0x00000100
 146 #define PCI_ERROR_I2O_IPQO                      0x00000200
 147 #define PCI_ERROR_IRA                           0x00000400
 148 #define PCI_ERROR_NMI                           0x00000800
 149 #define PCI_ERROR_I2O_DBMC                      0x00001000
 150
 151 /*
 152  * Register pair used to generate configuration cycles on the PCI bus
 153  * and access the MPC826x's own PCI configuration registers.
 154  */
 155
 156 #define PCI_CFG_ADDR_REG     0x10900
 157 #define PCI_CFG_DATA_REG     0x10904
 158
 159 /* Bus parking decides where the bus control sits when idle */
 160 /* If modifying memory controllers for PCI park on the core */
 161
 162 #define PPC_ACR_BUS_PARK_CORE 0x6
 163 #define PPC_ACR_BUS_PARK_PCI  0x3
 164
 165 #endif /* _PPC_KERNEL_M8260_PCI_H */