Register definitions for the OpenPIC used in various models of

iMac/PowerMac/iBook/PowerBook.

Obtained from:	NetBSD

1 files changed, 93 insertions, 0 deletions

diff --git a/sys/powerpc/include/openpicreg.h b/sys/powerpc/include/openpicreg.h
new file mode 100644
index 0000000..254a7ac
--- /dev/null
+++ b/sys/powerpc/include/openpicreg.h
@@ -0,0 +1,93 @@
+/*-
+ * Copyright (c) 2000 Tsubai Masanari.  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.
+ *
+ * $NetBSD: openpicreg.h,v 1.2 2001/02/05 19:22:23 briggs Exp $
+ * $FreeBSD$
+ */
+
+/*
+ * GLOBAL/TIMER register (IDU base + 0x1000)
+ */
+
+/* feature reporting reg 0 */
+#define	OPENPIC_FEATURE			0x1000
+
+/* global config reg 0 */
+#define	OPENPIC_CONFIG				0x1020
+#define	OPENPIC_CONFIG_RESET			0x80000000
+#define	OPENPIC_CONFIG_8259_PASSTHRU_DISABLE	0x20000000
+
+/* vendor ID */
+#define	OPENPIC_VENDOR_ID		0x1080
+
+/* processor initialization reg */
+#define	OPENPIC_PROC_INIT		0x1090
+
+/* IPI vector/priority reg */
+#define	OPENPIC_IPI_VECTOR(ipi)		(0x10a0 + (ipi) * 0x10)
+
+/* spurious intr. vector */
+#define	OPENPIC_SPURIOUS_VECTOR		0x10e0
+
+
+/*
+ * INTERRUPT SOURCE register (IDU base + 0x10000)
+ */
+
+/* interrupt vector/priority reg */
+#ifndef	OPENPIC_SRC_VECTOR
+#define	OPENPIC_SRC_VECTOR(irq)		(0x10000 + (irq) * 0x20)
+#endif
+#define	OPENPIC_SENSE_LEVEL		0x00400000
+#define	OPENPIC_SENSE_EDGE		0x00000000
+#define	OPENPIC_POLARITY_POSITIVE	0x00800000
+#define	OPENPIC_POLARITY_NEGATIVE	0x00000000
+#define	OPENPIC_IMASK			0x80000000
+#define	OPENPIC_ACTIVITY		0x40000000
+#define	OPENPIC_PRIORITY_MASK		0x000f0000
+#define	OPENPIC_PRIORITY_SHIFT		16
+#define	OPENPIC_VECTOR_MASK		0x000000ff
+
+/* interrupt destination cpu */
+#ifndef	OPENPIC_IDEST
+#define	OPENPIC_IDEST(irq)		(0x10010 + (irq) * 0x20)
+#endif
+
+/*
+ * PROCESSOR register (IDU base + 0x20000)
+ */
+
+/* IPI command reg */
+#define	OPENPIC_IPI(cpu, ipi)		(0x20040 + (cpu) * 0x1000 + (ipi))
+
+/* current task priority reg */
+#define	OPENPIC_CPU_PRIORITY(cpu)	(0x20080 + (cpu) * 0x1000)
+#define	OPENPIC_CPU_PRIORITY_MASK		0x0000000f
+
+/* interrupt acknowledge reg */
+#define	OPENPIC_IACK(cpu)		(0x200a0 + (cpu) * 0x1000)
+
+/* end of interrupt reg */
+#define	OPENPIC_EOI(cpu)		(0x200b0 + (cpu) * 0x1000)