115 lines
3.6 KiB
C
115 lines
3.6 KiB
C
|
/**************************************************************************
|
|||
|
**
|
|||
|
** $Id: pcibios.h,v 2.0.0.1 94/08/18 23:05:36 wolf Exp $
|
|||
|
**
|
|||
|
** #define for pci-bus bios functions.
|
|||
|
**
|
|||
|
** 386bsd / FreeBSD
|
|||
|
**
|
|||
|
**-------------------------------------------------------------------------
|
|||
|
**
|
|||
|
** Copyright (c) 1994 Wolfgang Stanglmeier. All rights reserved.
|
|||
|
**
|
|||
|
** Redistribution and use in source and binary forms, with or without
|
|||
|
** modification, are permitted provided that the following conditions
|
|||
|
** are met:
|
|||
|
** 1. Redistributions of source code must retain the above copyright
|
|||
|
** notice, this list of conditions and the following disclaimer.
|
|||
|
** 2. Redistributions in binary form must reproduce the above copyright
|
|||
|
** notice, this list of conditions and the following disclaimer in the
|
|||
|
** documentation and/or other materials provided with the distribution.
|
|||
|
** 3. The name of the author may not be used to endorse or promote products
|
|||
|
** derived from this software without specific prior written permission.
|
|||
|
**
|
|||
|
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|||
|
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|||
|
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|||
|
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|||
|
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|||
|
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|||
|
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|||
|
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|||
|
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|||
|
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|||
|
**
|
|||
|
**-------------------------------------------------------------------------
|
|||
|
**
|
|||
|
** $Log: pcibios.h,v $
|
|||
|
** Revision 2.0.0.1 94/08/18 23:05:36 wolf
|
|||
|
**
|
|||
|
** Copyright message.
|
|||
|
** New function: pci_last_bus().
|
|||
|
** Symbolic names for pci configuration space registers.
|
|||
|
**
|
|||
|
** Revision 2.0 94/07/10 15:53:32 wolf
|
|||
|
** FreeBSD release.
|
|||
|
**
|
|||
|
** Revision 1.0 94/06/07 20:02:23 wolf
|
|||
|
** Beta release.
|
|||
|
**
|
|||
|
***************************************************************************
|
|||
|
*/
|
|||
|
|
|||
|
#ifndef __PCIBIOS_H__
|
|||
|
#define __PCIBIOS_H__
|
|||
|
|
|||
|
/*
|
|||
|
** the availability of a pci bus.
|
|||
|
** configuration mode (1 or 2)
|
|||
|
** 0 if no pci bus found.
|
|||
|
*/
|
|||
|
|
|||
|
int pci_conf_mode (void);
|
|||
|
|
|||
|
/*
|
|||
|
** The number of the last available pci bus.
|
|||
|
*/
|
|||
|
|
|||
|
int pci_last_bus (void);
|
|||
|
|
|||
|
/*
|
|||
|
** get a "ticket" for accessing a pci device
|
|||
|
** configuration space.
|
|||
|
*/
|
|||
|
|
|||
|
pcici_t pcitag (unsigned char bus,
|
|||
|
unsigned char device,
|
|||
|
unsigned char func);
|
|||
|
|
|||
|
/*
|
|||
|
** read or write the configuration space.
|
|||
|
*/
|
|||
|
|
|||
|
u_long pci_conf_read (pcici_t tag, u_long reg );
|
|||
|
void pci_conf_write (pcici_t tag, u_long reg, u_long data);
|
|||
|
|
|||
|
|
|||
|
/*
|
|||
|
** Names for PCI configuration space registers.
|
|||
|
** Copied from pcireg.h
|
|||
|
*/
|
|||
|
|
|||
|
#define PCI_ID_REG 0x00
|
|||
|
|
|||
|
#define PCI_COMMAND_STATUS_REG 0x04
|
|||
|
#define PCI_COMMAND_MEM_ENABLE 0x00000002
|
|||
|
|
|||
|
#define PCI_MAP_REG_START 0x10
|
|||
|
#define PCI_MAP_REG_END 0x28
|
|||
|
#define PCI_MAP_MEMORY 0x00000000
|
|||
|
#define PCI_MAP_IO 0x00000001
|
|||
|
#define PCI_MAP_MEMORY_TYPE_32BIT 0x00000000
|
|||
|
#define PCI_MAP_MEMORY_TYPE_32BIT_1M 0x00000002
|
|||
|
#define PCI_MAP_MEMORY_TYPE_64BIT 0x00000004
|
|||
|
#define PCI_MAP_MEMORY_TYPE_MASK 0x00000006
|
|||
|
#define PCI_MAP_MEMORY_CACHABLE 0x00000008
|
|||
|
#define PCI_MAP_MEMORY_ADDRESS_MASK 0xfffffff0
|
|||
|
|
|||
|
#define PCI_INTERRUPT_REG 0x3c
|
|||
|
#define PCI_INTERRUPT_PIN_MASK 0x0000ff00
|
|||
|
#define PCI_INTERRUPT_PIN_EXTRACT(x) ((((x) & PCI_INTERRUPT_PIN_MASK) >> 8) & 0xff)
|
|||
|
#define PCI_INTERRUPT_LINE_MASK 0x000000ff
|
|||
|
#define PCI_INTERRUPT_LINE_EXTRACT(x) ((((x) & PCI_INTERRUPT_LINE_MASK) >> 0) & 0xff)
|
|||
|
|
|||
|
#endif
|