arch/all-pc/boot/grub2-aros/include/grub/mips/loongson/pci.h

   1 /*
   2  *  GRUB  --  GRand Unified Bootloader
   3  *  Copyright (C) 2008  Free Software Foundation, Inc.
   4  *
   5  *  GRUB is free software: you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation, either version 3 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  GRUB is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifndef GRUB_MACHINE_PCI_H
  20 #define GRUB_MACHINE_PCI_H      1
  21
  22 #ifndef ASM_FILE
  23 #include <grub/types.h>
  24 #include <grub/cpu/io.h>
  25 #endif
  26
  27 #define GRUB_LOONGSON_OHCI_PCIID 0x00351033
  28 #define GRUB_LOONGSON_EHCI_PCIID 0x00e01033
  29
  30 #define GRUB_MACHINE_PCI_IO_BASE_2F        0xbfd00000
  31 #define GRUB_MACHINE_PCI_IO_BASE_3A        0xb8000000
  32 #define GRUB_MACHINE_PCI_CONFSPACE_2F      0xbfe80000
  33 #define GRUB_MACHINE_PCI_CONFSPACE_3A      0xba000000
  34 #define GRUB_MACHINE_PCI_CONFSPACE_3A_EXT  0xbb000000
  35 #define GRUB_MACHINE_PCI_CONTROLLER_HEADER 0xbfe00000
  36
  37 #define GRUB_MACHINE_PCI_CONF_CTRL_REG_ADDR_2F 0xbfe00118
  38
  39 #define GRUB_PCI_NUM_DEVICES_2F 16
  40
  41 #ifndef ASM_FILE
  42
  43 typedef enum { GRUB_BONITO_2F, GRUB_BONITO_3A } grub_bonito_type_t;
  44 extern grub_bonito_type_t EXPORT_VAR (grub_bonito_type);
  45
  46 #define GRUB_PCI_NUM_DEVICES    (grub_bonito_type ? 32 \
  47                                  : GRUB_PCI_NUM_DEVICES_2F)
  48 #define GRUB_PCI_NUM_BUS        (grub_bonito_type ? 256 : 1)
  49
  50 #define GRUB_MACHINE_PCI_IO_BASE        (grub_bonito_type \
  51                                          ? GRUB_MACHINE_PCI_IO_BASE_3A \
  52                                          : GRUB_MACHINE_PCI_IO_BASE_2F)
  53
  54 #define GRUB_MACHINE_PCI_CONF_CTRL_REG_2F    (*(volatile grub_uint32_t *) \
  55                                            GRUB_MACHINE_PCI_CONF_CTRL_REG_ADDR_2F)
  56 #define GRUB_MACHINE_PCI_IO_CTRL_REG_2F      (*(volatile grub_uint32_t *) 0xbfe00110)
  57 #define GRUB_MACHINE_PCI_CONF_CTRL_REG_3A    (*(volatile grub_uint32_t *) \
  58                                               0xbfe00118)
  59
  60 #endif
  61 #define GRUB_MACHINE_PCI_WIN_MASK_SIZE    6
  62 #define GRUB_MACHINE_PCI_WIN_MASK         ((1 << GRUB_MACHINE_PCI_WIN_MASK_SIZE) - 1)
  63
  64 /* We have 3 PCI windows.  */
  65 #define GRUB_MACHINE_PCI_NUM_WIN          3
  66 /* Each window is 64MiB.  */
  67 #define GRUB_MACHINE_PCI_WIN_SHIFT        26
  68 #define GRUB_MACHINE_PCI_WIN_OFFSET_MASK  ((1 << GRUB_MACHINE_PCI_WIN_SHIFT) - 1)
  69
  70 #define GRUB_MACHINE_PCI_WIN_SIZE         0x04000000
  71 /* Graphical acceleration takes 1 MiB away.  */
  72 #define GRUB_MACHINE_PCI_WIN1_SIZE        0x03f00000
  73
  74 #define GRUB_MACHINE_PCI_WIN1_ADDR        0xb0000000
  75 #define GRUB_MACHINE_PCI_WIN2_ADDR        0xb4000000
  76 #define GRUB_MACHINE_PCI_WIN3_ADDR        0xb8000000
  77
  78 #ifndef ASM_FILE
  79 grub_uint32_t
  80 EXPORT_FUNC (grub_pci_read) (grub_pci_address_t addr);
  81
  82 grub_uint16_t
  83 EXPORT_FUNC (grub_pci_read_word) (grub_pci_address_t addr);
  84
  85 grub_uint8_t
  86 EXPORT_FUNC (grub_pci_read_byte) (grub_pci_address_t addr);
  87
  88 void
  89 EXPORT_FUNC (grub_pci_write) (grub_pci_address_t addr, grub_uint32_t data);
  90
  91 void
  92 EXPORT_FUNC (grub_pci_write_word) (grub_pci_address_t addr, grub_uint16_t data);
  93
  94 void
  95 EXPORT_FUNC (grub_pci_write_byte) (grub_pci_address_t addr, grub_uint8_t data);
  96
  97 volatile void *
  98 EXPORT_FUNC (grub_pci_device_map_range) (grub_pci_device_t dev,
  99                                          grub_addr_t base, grub_size_t size);
 100 void *
 101 EXPORT_FUNC (grub_pci_device_map_range_cached) (grub_pci_device_t dev,
 102                                                 grub_addr_t base,
 103                                                 grub_size_t size);
 104 void
 105 EXPORT_FUNC (grub_pci_device_unmap_range) (grub_pci_device_t dev,
 106                                            volatile void *mem,
 107                                            grub_size_t size);
 108 #endif
 109
 110 #endif /* GRUB_MACHINE_PCI_H */