linux/include/asm-mips/it8172/it8172_pci.h

109 lines
3.5 KiB
C

/*
*
* BRIEF MODULE DESCRIPTION
* IT8172 system controller specific pci defines.
*
* Copyright 2000 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
*
* This program 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 2 of the License, or (at your
* option) any later version.
*
* THIS SOFTWARE IS PROVIDED ``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.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef _8172PCI_H_
#define _8172PCI_H_
// PCI configuration space Type0
#define PCI_IDREG 0x00
#define PCI_CMDSTSREG 0x04
#define PCI_CLASSREG 0x08
#define PCI_BHLCREG 0x0C
#define PCI_BASE1REG 0x10
#define PCI_BASE2REG 0x14
#define PCI_BASE3REG 0x18
#define PCI_BASE4REG 0x1C
#define PCI_BASE5REG 0x20
#define PCI_BASE6REG 0x24
#define PCI_ROMBASEREG 0x30
#define PCI_INTRREG 0x3C
// PCI configuration space Type1
#define PCI_BUSNOREG 0x18
#define IT_PCI_VENDORID(x) ((x) & 0xFFFF)
#define IT_PCI_DEVICEID(x) (((x)>>16) & 0xFFFF)
// Command register
#define PCI_CMD_IOEN 0x00000001
#define PCI_CMD_MEMEN 0x00000002
#define PCI_CMD_BUSMASTER 0x00000004
#define PCI_CMD_SPCYCLE 0x00000008
#define PCI_CMD_WRINV 0x00000010
#define PCI_CMD_VGASNOOP 0x00000020
#define PCI_CMD_PERR 0x00000040
#define PCI_CMD_WAITCTRL 0x00000080
#define PCI_CMD_SERR 0x00000100
#define PCI_CMD_FAST_BACKTOBACK 0x00000200
// Status register
#define PCI_STS_66MHZ 0x00200000
#define PCI_STS_SUPPORT_UDF 0x00400000
#define PCI_STS_FAST_BACKTOBACK 0x00800000
#define PCI_STS_DATA_PERR 0x01000000
#define PCI_STS_DEVSEL0 0x02000000
#define PCI_STS_DEVSEL1 0x04000000
#define PCI_STS_SIG_TGTABORT 0x08000000
#define PCI_STS_RCV_TGTABORT 0x10000000
#define PCI_STS_RCV_MSTABORT 0x20000000
#define PCI_STS_SYSERR 0x40000000
#define PCI_STS_DETCT_PERR 0x80000000
#define IT_PCI_CLASS(x) (((x)>>24) & 0xFF)
#define IT_PCI_SUBCLASS(x) (((x)>>16) & 0xFF)
#define IT_PCI_INTERFACE(x) (((x)>>8) & 0xFF)
#define IT_PCI_REVISION(x) ((x) & 0xFF)
// PCI class code
#define PCI_CLASS_BRIDGE 0x06
// bridge subclass
#define PCI_SUBCLASS_BRIDGE_HOST 0x00
#define PCI_SUBCLASS_BRIDGE_PCI 0x04
// BHLCREG
#define IT_PCI_BIST(x) (((x)>>24) & 0xFF)
#define IT_PCI_HEADERTYPE(x) (((x)>>16) & 0xFF)
#define IT_PCI_LATENCYTIMER(x) (((x)>>8) & 0xFF)
#define IT_PCI_CACHELINESIZE(x) ((x) & 0xFF)
#define PCI_MULTIFUNC 0x80
// INTRREG
#define IT_PCI_MAXLAT(x) (((x)>>24) & 0xFF)
#define IT_PCI_MINGNT(x) (((x)>>16) & 0xFF)
#define IT_PCI_INTRPIN(x) (((x)>>8) & 0xFF)
#define IT_PCI_INTRLINE(x) ((x) & 0xFF)
#define PCI_VENDOR_NEC 0x1033
#define PCI_VENDOR_DEC 0x1101
#endif // _8172PCI_H_