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Diffstat (limited to 'system/alpha/h/pci.h')
| -rw-r--r-- | system/alpha/h/pci.h | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/system/alpha/h/pci.h b/system/alpha/h/pci.h new file mode 100644 index 000000000..17bae06d8 --- /dev/null +++ b/system/alpha/h/pci.h @@ -0,0 +1,203 @@ +#ifndef __PCI_H_LOADED +#define __PCI_H_LOADED +/***************************************************************************** + + Copyright © 1993, 1994 Digital Equipment Corporation, + Maynard, Massachusetts. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, provided +that the copyright notice and this permission notice appear in all copies +of software and supporting documentation, and that the name of Digital not +be used in advertising or publicity pertaining to distribution of the software +without specific, written prior permission. Digital grants this permission +provided that you prominently mark, as not part of the original, any +modifications made to this software or documentation. + +Digital Equipment Corporation disclaims all warranties and/or guarantees +with regard to this software, including all implied warranties of fitness for +a particular purpose and merchantability, and makes no representations +regarding the use of, or the results of the use of, the software and +documentation in terms of correctness, accuracy, reliability, currentness or +otherwise; and you rely on the software, documentation and results solely at +your own risk. + +******************************************************************************/ + +/* + * $Id: + * + * This file contains all of the PCI specific definitions required for + * the PCI bus support within the debug monitor. + */ + +/* + * $Log: pci.h,v $ + * Revision 1.1.1.1 1997/10/30 23:27:17 verghese + * current 10/29/97 + * + * Revision 1.1 1996/04/15 16:26:54 berc + * Initial revision + * + * Revision 1.11 1994/11/01 11:30:18 rusling + * Added PCI-PCI bridge support. + * + * Revision 1.10 1994/08/05 20:13:47 fdh + * Updated Copyright header and RCS $Id: identifier. + * + * $Log: pci.h,v $ + * Revision 1.1.1.1 1997/10/30 23:27:17 verghese + * current 10/29/97 + * + * Revision 1.1 1996/04/15 16:26:54 berc + * Initial revision + * + * Revision 1.11 1994/11/01 11:30:18 rusling + * Added PCI-PCI bridge support. + * + * Revision 1.9 1994/06/20 14:18:59 fdh + * Fixup header file preprocessor #include conditionals. + * + * Revision 1.8 1994/06/19 15:48:04 fdh + * Changed PCI_H to __PCI_H_LOADED + * + * Revision 1.7 1994/06/17 19:34:01 fdh + * Clean-up... + * + * Revision 1.6 1994/01/19 10:22:28 rusling + * Ported to ALpha Windows NT. + * + * Revision 1.5 1993/11/29 14:58:42 rusling + * Added PCI address checking and conversion routines, + * PCIMapAddress() and PCIValidAddress(). + * + * Revision 1.4 1993/11/24 15:23:29 rusling + * Added PCI_CFG_REG_VENDOR_DEVICE for offset to + * first longword of the PCI configuration header. + * + * Revision 1.3 1993/11/23 10:43:50 rusling + * Remove per system information. + * + * Revision 1.2 1993/11/22 13:17:13 rusling + * Merged with PCI/21040 changes. + * + * Revision 1.1 1993/11/22 12:16:56 rusling + * Initial revision + * + * + */ + +#ifdef NEEDPCI + + +/* + * Define the PCI device data structure. + */ +typedef struct PCIDevice { + struct PCIBus *parent; /* parent bus */ + struct PCIDevice *next; /* in device chain */ + struct PCIDevice *sibling; /* for this bus */ + ui slot; + uw vendor; + uw device; + ui class; + + ui PCI_IO_Reg; + ui PCI_IO_Base; + ui PCI_IO_Size; + ui PCI_Mem_Reg; + ui PCI_Mem_Base; + ui PCI_Mem_Size; + + void (*print)(struct PCIDevice *device); + struct { + ui IO : 1; + ui MEM : 1; + ui bridge : 1; + ui allocated : 1; + } flags; +} PCIDevice_t; + +typedef struct PCIBus { + struct PCIBus *parent; + struct PCIBus *next; + struct PCIDevice *bridge; + struct PCIDevice *devices; + struct PCIBus *children; + + ui PCI_IO_Reg; + ui PCI_IO_Base; + ui PCI_IO_Size; + ui PCI_Mem_Reg; + ui PCI_Mem_Base; + ui PCI_Mem_Size; + + unsigned char number; + unsigned char primary; + unsigned char secondary; + unsigned char subordinate; +} PCIBus_t; + + +/* + * Define some macros for getting at fields in the + * PCIDevice_t and PCIBus_t typedefs. + */ +#define _PCI_IO_Base(device) (device)->PCI_IO_Base +#define _PCI_IO_Size(device) (device)->PCI_IO_Size +#define _PCI_Mem_Base(device) (device)->PCI_Mem_Base +#define _PCI_Mem_Size(device) (device)->PCI_Mem_Size +#define _PCI_Slot(device) (device)->slot +#define _PCI_Print(device) (device)->print +#define _PCI_Bus(device) (device)->parent->number + +/* + * Declare some maximums. + */ +#define PCI_MAX_DEVICES 6 /* bits 31:11 of type 0 */ +#define PCI_21050_MAX_DEVICES 16 /* bits 14:11 of type 1 */ +#define PCI_MAX_BRIDGES 6 + +/* + * The PCI configuration registers. + */ +#define PCI_CFG_REG_VENDOR_DEVICE 0x0 +#define PCI_CFG_REG_STATUS_COMMAND 0x4 + /* LONG */ +#define PCI_CFG_REG_REVISION_ID 0x8 + /* BYTE */ +#define PCI_CFG_REG_CLASS_CODE 0x9 +#define PCI_CFG_REG_LATENCY_TIMER 0xD + /* BYTE */ +#define PCI_CFG_REG_BAR0 0x10 + /* Long */ +#define PCI_CFG_REG_BRIDGE_PRIMARY 0x18 +#define PCI_CFG_REG_BRIDGE_SECONDARY 0x19 +#define PCI_CFG_REG_BRIDGE_SUBORDINATE 0x1a + +#define PCI_CFG_REG_EROM_BASE 0x30 + /* Long */ + +/* + * PCI Vendors and devices. + */ +#define DIGITAL 0x1011 +#define DECCHIP_21040 0x0002 +#define DECCHIP_21030 0x0004 + +#define PCI_BRIDGE_CLASS 0x060400 +/* + * Declare all of the externally visible routines in pci.c + */ +extern void PCIShow(void); +extern ui PCIValidAddress(ub * address); +extern ui PCIMapAddress(ub * address); +extern void PCIInit(void); +extern PCIDevice_t *PCIDeviceFind(uw vendor, uw device); +extern PCIDevice_t *PCIDeviceFindNext(PCIDevice_t *device); +extern void PCISetDeviceConfig(PCIDevice_t *device); + +#endif /* NEEDPCI */ +#endif /* __PCI_H_LOADED */ |