Alpha 8200: Add in variables and defines for DWLPX PCI controllers.

svn path=/head/; revision=58200

sys/alpha/tlsb/dwlpxvar.h

@@ -0,0 +1,92 @@
+/* $FreeBSD$ */
+/*
+ * Copyright (c) 2000 by Matthew Jacob
+ * NASA AMES Research Center.
+ * 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 immediately at the beginning of the file, without modification,
+ *    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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
+ */
+
+
+#define	DWLPX_NONE	0
+#define	DWLPX_SG32K	1
+#define	DWLPX_SG64K	2
+#define	DWLPX_SG128K	3
+
+/*
+ * Each DWLPX supports up to 15 devices, 12 of which are PCI slots.
+ *
+ * Since the STD I/O modules in slots 12-14 are really a PCI-EISA
+ * bridge, we'll punt on those for the moment.
+ */
+#define	DWLPX_MAXDEV	12
+
+/*
+ * There are 5 possible slots that can have I/O boards, and for each
+ * one there are 4 possible hoses. To cover them all, we'd have to
+ * reserve 5 bits of selector out our current 32 bit cookie we use
+ * for primary PCI address spaces. It turns out that we *just* have
+ * enough bits for this (see drawing in dwlpxreg.h)
+ */
+
+#define	DWLPX_NIONODE	5
+#define	DWLPX_NHOSE	4
+
+/*
+ * Interrupt Cookie for DWLPX vectors.
+ *
+ * Bits 0..3	PCI Slot (0..11)
+ * Bits 4..7	I/O Hose (0..3)
+ * Bits 8..11	I/O Node (0..4)
+ * Bit	15	Constant 1
+ */
+#define	DWLPX_VEC_MARK	(1<<15)
+#define	DWLPX_MVEC(ionode, hose, pcislot)	\
+	(DWLPX_VEC_MARK | (ionode << 8) | (hose << 4) | (pcislot))
+
+#define	DWLPX_MVEC_IONODE(cookie)	\
+	((((u_int64_t)(cookie)) >> 8) & 0xf)
+#define	DWLPX_MVEC_HOSE(cookie)	\
+	((((u_int64_t)(cookie)) >> 4) & 0xf)
+#define	DWLPX_MVEC_PCISLOT(cookie)	\
+	(((u_int64_t)(cookie)) & 0xf)
+
+/*
+ * DWLPX Error Interrupt
+ */
+#define	DWLPX_VEC_EMARK	(1<<14)
+#define	DWLPX_ERRVEC(ionode, hose)	\
+	(DWLPX_VEC_EMARK | (ionode << 8) | (hose << 4))
+
+/*
+ * Default values to put into DWLPX IMASK register(s)
+ */
+#define	DWLPX_IMASK_DFLT	\
+	(1 << 24) |	/* IPL 17 for error interrupts */ \
+	(1 << 17) |	/* IPL 14 for device interrupts */ \
+	(1 << 16)	/* Enable Error Interrupts */
+
+#define	DWLPX_BASE(node, hose)					\
+	    ((((unsigned long)(node - 4))	<< 36) |	\
+	     (((unsigned long)(hose))		<< 34) |	\
+	     (1LL				<< 39))