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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_YEELOONG_OHCI_PCIID 0x00351033
#define GRUB_YEELOONG_EHCI_PCIID 0x00e01033
#define GRUB_YEELOONG_OHCI_GHOST_FUNCTION 4
#define GRUB_YEELOONG_EHCI_GHOST_FUNCTION 5
#define GRUB_PCI_NUM_BUS 1
#define GRUB_PCI_NUM_DEVICES 16
#define GRUB_MACHINE_PCI_IO_BASE 0xbfd00000
#define GRUB_MACHINE_PCI_CONFSPACE 0xbfe80000
#define GRUB_MACHINE_PCI_CONTROLLER_HEADER 0xbfe00000
#define GRUB_MACHINE_PCI_CONF_CTRL_REG_ADDR 0xbfe00118
#ifndef ASM_FILE
#define GRUB_MACHINE_PCI_CONF_CTRL_REG (*(volatile grub_uint32_t *) \
GRUB_MACHINE_PCI_CONF_CTRL_REG_ADDR)
#define GRUB_MACHINE_PCI_IO_CTRL_REG (*(volatile grub_uint32_t *) 0xbfe00110)
#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
static inline grub_uint32_t
grub_pci_read (grub_pci_address_t addr)
{
GRUB_MACHINE_PCI_CONF_CTRL_REG = 1 << ((addr >> 11) & 0xf);
return *(volatile grub_uint32_t *) (GRUB_MACHINE_PCI_CONFSPACE
| (addr & 0x03ff));
}
static inline grub_uint16_t
grub_pci_read_word (grub_pci_address_t addr)
{
GRUB_MACHINE_PCI_CONF_CTRL_REG = 1 << ((addr >> 11) & 0xf);
return *(volatile grub_uint16_t *) (GRUB_MACHINE_PCI_CONFSPACE
| (addr & 0x03ff));
}
static inline grub_uint8_t
grub_pci_read_byte (grub_pci_address_t addr)
{
GRUB_MACHINE_PCI_CONF_CTRL_REG = 1 << ((addr >> 11) & 0xf);
return *(volatile grub_uint8_t *) (GRUB_MACHINE_PCI_CONFSPACE
| (addr & 0x03ff));
}
static inline void
grub_pci_write (grub_pci_address_t addr, grub_uint32_t data)
{
GRUB_MACHINE_PCI_CONF_CTRL_REG = 1 << ((addr >> 11) & 0xf);
*(volatile grub_uint32_t *) (GRUB_MACHINE_PCI_CONFSPACE
| (addr & 0x03ff)) = data;
}
static inline void
grub_pci_write_word (grub_pci_address_t addr, grub_uint16_t data)
{
GRUB_MACHINE_PCI_CONF_CTRL_REG = 1 << ((addr >> 11) & 0xf);
*(volatile grub_uint16_t *) (GRUB_MACHINE_PCI_CONFSPACE
| (addr & 0x03ff)) = data;
}
static inline void
grub_pci_write_byte (grub_pci_address_t addr, grub_uint8_t data)
{
GRUB_MACHINE_PCI_CONF_CTRL_REG = 1 << ((addr >> 11) & 0xf);
*(volatile grub_uint8_t *) (GRUB_MACHINE_PCI_CONFSPACE
| (addr & 0x03ff)) = 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_unmap_range) (grub_pci_device_t dev,
volatile void *mem,
grub_size_t size);
#endif
#endif /* GRUB_MACHINE_PCI_H */
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