include/asm-ppc/m8260_pci.h

   1 /*
   2  * include/asm-ppc/m8260_pci.h
   3  *
   4  * Definitions for the MPC8250/MPC8265/MPC8266 integrated PCI host bridge.
   5  *
   6  * This program is free software; you can redistribute  it and/or modify it
   7  * under  the terms of  the GNU General  Public License as published by the
   8  * Free Software Foundation;  either version 2 of the  License, or (at your
   9  * option) any later version.
  10  */
  11
  12 #ifdef __KERNEL__
  13 #ifndef __M8260_PCI_H
  14 #define __M8260_PCI_H
  15
  16 #include <linux/pci_ids.h>
  17
  18 /*
  19  * Define the vendor/device ID for the MPC8265.
  20  */
  21 #define PCI_DEVICE_ID_MPC8265   ((0x18C0 << 16) | PCI_VENDOR_ID_MOTOROLA)
  22
  23 #define M8265_PCIBR0    0x101ac
  24 #define M8265_PCIBR1    0x101b0
  25 #define M8265_PCIMSK0   0x101c4
  26 #define M8265_PCIMSK1   0x101c8
  27
  28 /* Bit definitions for PCIBR registers */
  29
  30 #define PCIBR_ENABLE        0x00000001
  31
  32 /* Bit definitions for PCIMSK registers */
  33
  34 #define PCIMSK_32KiB         0xFFFF8000  /* Size of window, smallest */
  35 #define PCIMSK_64KiB         0xFFFF0000
  36 #define PCIMSK_128KiB        0xFFFE0000
  37 #define PCIMSK_256KiB        0xFFFC0000
  38 #define PCIMSK_512KiB        0xFFF80000
  39 #define PCIMSK_1MiB          0xFFF00000
  40 #define PCIMSK_2MiB          0xFFE00000
  41 #define PCIMSK_4MiB          0xFFC00000
  42 #define PCIMSK_8MiB          0xFF800000
  43 #define PCIMSK_16MiB         0xFF000000
  44 #define PCIMSK_32MiB         0xFE000000
  45 #define PCIMSK_64MiB         0xFC000000
  46 #define PCIMSK_128MiB        0xF8000000
  47 #define PCIMSK_256MiB        0xF0000000
  48 #define PCIMSK_512MiB        0xE0000000
  49 #define PCIMSK_1GiB          0xC0000000  /* Size of window, largest */
  50
  51
  52 #define M826X_SCCR_PCI_MODE_EN 0x100
  53
  54
  55 /*
  56  * Outbound ATU registers (3 sets). These registers control how 60x bus (local)
  57  * addresses are translated to PCI addresses when the MPC826x is a PCI bus
  58  * master (initiator).
  59  */
  60
  61 #define POTAR_REG0          0x10800     /* PCI Outbound Translation Addr registers */
  62 #define POTAR_REG1          0x10818
  63 #define POTAR_REG2          0x10830
  64
  65 #define POBAR_REG0          0x10808     /* PCI Outbound Base Addr registers */
  66 #define POBAR_REG1          0x10820
  67 #define POBAR_REG2          0x10838
  68
  69 #define POCMR_REG0          0x10810     /* PCI Outbound Comparison Mask registers */
  70 #define POCMR_REG1          0x10828
  71 #define POCMR_REG2          0x10840
  72
  73 /* Bit definitions for POMCR registers */
  74
  75 #define POCMR_MASK_4KiB      0x000FFFFF
  76 #define POCMR_MASK_8KiB      0x000FFFFE
  77 #define POCMR_MASK_16KiB     0x000FFFFC
  78 #define POCMR_MASK_32KiB     0x000FFFF8
  79 #define POCMR_MASK_64KiB     0x000FFFF0
  80 #define POCMR_MASK_128KiB    0x000FFFE0
  81 #define POCMR_MASK_256KiB    0x000FFFC0
  82 #define POCMR_MASK_512KiB    0x000FFF80
  83 #define POCMR_MASK_1MiB      0x000FFF00
  84 #define POCMR_MASK_2MiB      0x000FFE00
  85 #define POCMR_MASK_4MiB      0x000FFC00
  86 #define POCMR_MASK_8MiB      0x000FF800
  87 #define POCMR_MASK_16MiB     0x000FF000
  88 #define POCMR_MASK_32MiB     0x000FE000
  89 #define POCMR_MASK_64MiB     0x000FC000
  90 #define POCMR_MASK_128MiB    0x000F8000
  91 #define POCMR_MASK_256MiB    0x000F0000
  92 #define POCMR_MASK_512MiB    0x000E0000
  93 #define POCMR_MASK_1GiB      0x000C0000
  94
  95 #define POCMR_ENABLE        0x80000000
  96 #define POCMR_PCI_IO        0x40000000
  97 #define POCMR_PREFETCH_EN   0x20000000
  98
  99 /* Soft PCI reset */
 100
 101 #define PCI_GCR_REG         0x10880
 102
 103 /* Bit definitions for PCI_GCR registers */
 104
 105 #define PCIGCR_PCI_BUS_EN   0x1
 106
 107 #define PCI_EMR_REG         0x10888
 108 /*
 109  * Inbound ATU registers (2 sets). These registers control how PCI addresses
 110  * are translated to 60x bus (local) addresses when the MPC826x is a PCI bus target.
 111  */
 112
 113 #define PITAR_REG1          0x108D0
 114 #define PIBAR_REG1          0x108D8
 115 #define PICMR_REG1          0x108E0
 116 #define PITAR_REG0          0x108E8
 117 #define PIBAR_REG0          0x108F0
 118 #define PICMR_REG0          0x108F8
 119
 120 /* Bit definitions for PCI Inbound Comparison Mask registers */
 121
 122 #define PICMR_MASK_4KiB       0x000FFFFF
 123 #define PICMR_MASK_8KiB       0x000FFFFE
 124 #define PICMR_MASK_16KiB      0x000FFFFC
 125 #define PICMR_MASK_32KiB      0x000FFFF8
 126 #define PICMR_MASK_64KiB      0x000FFFF0
 127 #define PICMR_MASK_128KiB     0x000FFFE0
 128 #define PICMR_MASK_256KiB     0x000FFFC0
 129 #define PICMR_MASK_512KiB     0x000FFF80
 130 #define PICMR_MASK_1MiB       0x000FFF00
 131 #define PICMR_MASK_2MiB       0x000FFE00
 132 #define PICMR_MASK_4MiB       0x000FFC00
 133 #define PICMR_MASK_8MiB       0x000FF800
 134 #define PICMR_MASK_16MiB      0x000FF000
 135 #define PICMR_MASK_32MiB      0x000FE000
 136 #define PICMR_MASK_64MiB      0x000FC000
 137 #define PICMR_MASK_128MiB     0x000F8000
 138 #define PICMR_MASK_256MiB     0x000F0000
 139 #define PICMR_MASK_512MiB     0x000E0000
 140 #define PICMR_MASK_1GiB       0x000C0000
 141
 142 #define PICMR_ENABLE         0x80000000
 143 #define PICMR_NO_SNOOP_EN    0x40000000
 144 #define PICMR_PREFETCH_EN    0x20000000
 145
 146 /* PCI error Registers */
 147
 148 #define PCI_ERROR_STATUS_REG            0x10884
 149 #define PCI_ERROR_MASK_REG              0x10888
 150 #define PCI_ERROR_CONTROL_REG           0x1088C
 151 #define PCI_ERROR_ADRS_CAPTURE_REG      0x10890
 152 #define PCI_ERROR_DATA_CAPTURE_REG      0x10898
 153 #define PCI_ERROR_CTRL_CAPTURE_REG      0x108A0
 154
 155 /* PCI error Register bit defines */
 156
 157 #define PCI_ERROR_PCI_ADDR_PAR                  0x00000001
 158 #define PCI_ERROR_PCI_DATA_PAR_WR               0x00000002
 159 #define PCI_ERROR_PCI_DATA_PAR_RD               0x00000004
 160 #define PCI_ERROR_PCI_NO_RSP                    0x00000008
 161 #define PCI_ERROR_PCI_TAR_ABT                   0x00000010
 162 #define PCI_ERROR_PCI_SERR                      0x00000020
 163 #define PCI_ERROR_PCI_PERR_RD                   0x00000040
 164 #define PCI_ERROR_PCI_PERR_WR                   0x00000080
 165 #define PCI_ERROR_I2O_OFQO                      0x00000100
 166 #define PCI_ERROR_I2O_IPQO                      0x00000200
 167 #define PCI_ERROR_IRA                           0x00000400
 168 #define PCI_ERROR_NMI                           0x00000800
 169 #define PCI_ERROR_I2O_DBMC                      0x00001000
 170
 171 /*
 172  * Register pair used to generate configuration cycles on the PCI bus
 173  * and access the MPC826x's own PCI configuration registers.
 174  */
 175
 176 #define PCI_CFG_ADDR_REG     0x10900
 177 #define PCI_CFG_DATA_REG     0x10904
 178
 179 /* Bus parking decides where the bus control sits when idle */
 180 /* If modifying memory controllers for PCI park on the core */
 181
 182 #define PPC_ACR_BUS_PARK_CORE 0x6
 183 #define PPC_ACR_BUS_PARK_PCI  0x3
 184
 185 #endif /* __M8260_PCI_H */
 186 #endif /* __KERNEL__ */