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/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_MACHINE_PCI_H
#define GRUB_MACHINE_PCI_H 1
#ifndef ASM_FILE
#include <grub/types.h>
#include <grub/cpu/io.h>
#endif
#define GRUB_LOONGSON_OHCI_PCIID 0x00351033
#define GRUB_LOONGSON_EHCI_PCIID 0x00e01033
#define GRUB_MACHINE_PCI_IO_BASE_2F 0xbfd00000
#define GRUB_MACHINE_PCI_IO_BASE_3A 0xb8000000
#define GRUB_MACHINE_PCI_CONFSPACE_2F 0xbfe80000
#define GRUB_MACHINE_PCI_CONFSPACE_3A 0xba000000
#define GRUB_MACHINE_PCI_CONFSPACE_3A_EXT 0xbb000000
#define GRUB_MACHINE_PCI_CONTROLLER_HEADER 0xbfe00000
#define GRUB_MACHINE_PCI_CONF_CTRL_REG_ADDR_2F 0xbfe00118
#define GRUB_PCI_NUM_DEVICES_2F 16
#ifndef ASM_FILE
typedef enum { GRUB_BONITO_2F, GRUB_BONITO_3A } grub_bonito_type_t;
extern grub_bonito_type_t EXPORT_VAR (grub_bonito_type);
#define GRUB_PCI_NUM_DEVICES (grub_bonito_type ? 32 \
: GRUB_PCI_NUM_DEVICES_2F)
#define GRUB_PCI_NUM_BUS (grub_bonito_type ? 256 : 1)
#define GRUB_MACHINE_PCI_IO_BASE (grub_bonito_type \
? GRUB_MACHINE_PCI_IO_BASE_3A \
: GRUB_MACHINE_PCI_IO_BASE_2F)
#define GRUB_MACHINE_PCI_CONF_CTRL_REG_2F (*(volatile grub_uint32_t *) \
GRUB_MACHINE_PCI_CONF_CTRL_REG_ADDR_2F)
#define GRUB_MACHINE_PCI_IO_CTRL_REG_2F (*(volatile grub_uint32_t *) 0xbfe00110)
#define GRUB_MACHINE_PCI_CONF_CTRL_REG_3A (*(volatile grub_uint32_t *) \
0xbfe00118)
#endif
#define GRUB_MACHINE_PCI_WIN_MASK_SIZE 6
#define GRUB_MACHINE_PCI_WIN_MASK ((1 << GRUB_MACHINE_PCI_WIN_MASK_SIZE) - 1)
/* We have 3 PCI windows. */
#define GRUB_MACHINE_PCI_NUM_WIN 3
/* Each window is 64MiB. */
#define GRUB_MACHINE_PCI_WIN_SHIFT 26
#define GRUB_MACHINE_PCI_WIN_OFFSET_MASK ((1 << GRUB_MACHINE_PCI_WIN_SHIFT) - 1)
#define GRUB_MACHINE_PCI_WIN_SIZE 0x04000000
/* Graphical acceleration takes 1 MiB away. */
#define GRUB_MACHINE_PCI_WIN1_SIZE 0x03f00000
#define GRUB_MACHINE_PCI_WIN1_ADDR 0xb0000000
#define GRUB_MACHINE_PCI_WIN2_ADDR 0xb4000000
#define GRUB_MACHINE_PCI_WIN3_ADDR 0xb8000000
#ifndef ASM_FILE
grub_uint32_t
EXPORT_FUNC (grub_pci_read) (grub_pci_address_t addr);
grub_uint16_t
EXPORT_FUNC (grub_pci_read_word) (grub_pci_address_t addr);
grub_uint8_t
EXPORT_FUNC (grub_pci_read_byte) (grub_pci_address_t addr);
void
EXPORT_FUNC (grub_pci_write) (grub_pci_address_t addr, grub_uint32_t data);
void
EXPORT_FUNC (grub_pci_write_word) (grub_pci_address_t addr, grub_uint16_t data);
void
EXPORT_FUNC (grub_pci_write_byte) (grub_pci_address_t addr, grub_uint8_t data);
volatile void *
EXPORT_FUNC (grub_pci_device_map_range) (grub_pci_device_t dev,
grub_addr_t base, grub_size_t size);
void *
EXPORT_FUNC (grub_pci_device_map_range_cached) (grub_pci_device_t dev,
grub_addr_t base,
grub_size_t size);
void
EXPORT_FUNC (grub_pci_device_unmap_range) (grub_pci_device_t dev,
volatile void *mem,
grub_size_t size);
#endif
#endif /* GRUB_MACHINE_PCI_H */
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