Import changeset

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 */