From ea8c3a2c48305977ed408473eb4d48a66f749ed6 Mon Sep 17 00:00:00 2001
From: sam <sam@FreeBSD.org>
Date: Sun, 19 Nov 2006 23:55:23 +0000
Subject: Gateworks Avila board support: o ixp425 support o NPE network driver
 (requires Intel microcode) o h/w qmgr support o True IDE compact flash over
 expansion bus o pci (ath and hifn795x parts tested) o xscale watchdog timer o
 ds1672 RTC on i2c bus o ad7418 voltage + temp monitoring on i2c bus o uart

Work done together with cognet, kevlo, and jmg.  Parts of
the ixp425 support obtaine/derived from netbsd.

Reviewed by:	cognet, imp
MFC after:	1 month
---
 sys/arm/xscale/ixp425/ixp425_pci_asm.S | 102 +++++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 sys/arm/xscale/ixp425/ixp425_pci_asm.S

(limited to 'sys/arm/xscale/ixp425/ixp425_pci_asm.S')

diff --git a/sys/arm/xscale/ixp425/ixp425_pci_asm.S b/sys/arm/xscale/ixp425/ixp425_pci_asm.S
new file mode 100644
index 0000000..f686d65
--- /dev/null
+++ b/sys/arm/xscale/ixp425/ixp425_pci_asm.S
@@ -0,0 +1,102 @@
+/*	$NetBSD: ixp425_pci_asm.S,v 1.2 2005/12/11 12:16:51 christos Exp $	*/
+
+/*
+ * Copyright (c) 2003 Wasabi Systems, Inc.
+ * All rights reserved.
+ *
+ * Written by Jason R. Thorpe for Wasabi Systems, Inc.
+ *
+ * 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed for the NetBSD Project by
+ *	Wasabi Systems, Inc.
+ * 4. The name of Wasabi Systems, Inc. may not be used to endorse
+ *    or promote products derived from this software without specific prior
+ *    written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
+ * 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.
+ *
+ * $FreeBSD$
+ *
+ */
+
+#include <machine/asm.h>
+
+/*
+ * Bus space functions for IXP425 PCI space access.  We have to swizzle
+ * the address for 1 and 2 byte accesses when in big-endian mode.
+ */
+
+/*
+ * read single
+ */
+
+ENTRY(ixp425_pci_mem_bs_r_1)
+#ifdef __ARMEB__
+	add	r1, r1, r2
+	eor	r1, r1, #0x3
+	ldrb	r0, [r1]
+#else
+	ldrb	r0, [r1, r2]
+#endif /* __ARMEB__ */
+	mov	pc, lr
+
+ENTRY(ixp425_pci_mem_bs_r_2)
+#ifdef __ARMEB__
+	add	r1, r1, r2
+	eor	r1, r1, #0x2
+	ldrh	r0, [r1]
+#else
+	ldrh	r0, [r1, r2]
+#endif /* __ARMEB__ */
+	mov	pc, lr
+
+ENTRY(ixp425_pci_mem_bs_r_4)
+	ldr	r0, [r1, r2]
+	mov	pc, lr
+
+/*
+ * write single
+ */
+
+ENTRY(ixp425_pci_mem_bs_w_1)
+#ifdef __ARMEB__
+	add	r1, r1, r2
+	eor	r1, r1, #0x3
+	strb	r3, [r1]
+#else
+	strb	r3, [r1, r2]
+#endif /* __ARMEB__ */
+	mov	pc, lr
+
+ENTRY(ixp425_pci_mem_bs_w_2)
+#ifdef __ARMEB__
+	add	r1, r1, r2
+	eor	r1, r1, #0x2
+	strh	r3, [r1]
+#else
+	strh	r3, [r1, r2]
+#endif /* __ARMEB__ */
+	mov	pc, lr
+
+ENTRY(ixp425_pci_mem_bs_w_4)
+	str	r3, [r1, r2]
+	mov	pc, lr
-- 
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