From 2c9adab58040eb0692f685b5f8353dedcfb57d36 Mon Sep 17 00:00:00 2001
From: Chris Cappuccio <chris@cvs.openbsd.org>
Date: Fri, 24 Mar 2000 17:47:42 +0000
Subject: From NetBSD:

Don't reset cp->hw_ok ro 0 when cp isn't initialised in cy693_chip_map()

Support for AMD 756 IDE controller
---
 sys/dev/pci/pciide_amd_reg.h | 66 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 sys/dev/pci/pciide_amd_reg.h

(limited to 'sys/dev/pci/pciide_amd_reg.h')

diff --git a/sys/dev/pci/pciide_amd_reg.h b/sys/dev/pci/pciide_amd_reg.h
new file mode 100644
index 00000000000..f683e173bd7
--- /dev/null
+++ b/sys/dev/pci/pciide_amd_reg.h
@@ -0,0 +1,66 @@
+/*	$OpenBSD: pciide_amd_reg.h,v 1.1 2000/03/24 17:47:41 chris Exp $ 	*/
+
+/*
+ * Copyright (c) 2000 David Sainty.
+ *
+ * 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 by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ *
+ */
+
+/*
+ * Registers definitions for AMD 756 PCI IDE controller.  Documentation
+ * available at: http://www.amd.com/products/cpg/athlon/techdocs/pdf/22548.pdf
+ */
+
+/* Channel enable */
+#define AMD756_CHANSTATUS_EN		0x40
+#define AMD756_CHAN_EN(chan)		(0x01 << (1 - (chan)))
+
+/* Data port timing controls */
+#define AMD756_DATATIM 0x48
+#define AMD756_DATATIM_MASK(channel) (0xffff << ((1 - (channel)) << 4))
+#define AMD756_DATATIM_RECOV(channel, drive, x) (((x) & 0xf) << \
+	(((1 - (channel)) << 4) + ((1 - (drive)) << 3)))
+#define AMD756_DATATIM_PULSE(channel, drive, x) (((x) & 0xf) << \
+	(((1 - (channel)) << 4) + ((1 - (drive)) << 3) + 4))
+
+static const int8_t amd756_pio_set[] = {0x0a, 0x0a, 0x0a, 0x02, 0x02};
+static const int8_t amd756_pio_rec[] = {0x08, 0x08, 0x08, 0x02, 0x00};
+
+/* Ultra-DMA/33 control */
+#define AMD756_UDMA 0x50
+#define AMD756_UDMA_MASK(channel) (0xffff << ((1 - (channel)) << 4))
+#define AMD756_UDMA_TIME(channel, drive, x) (((x) & 0x7) << \
+	(((1 - (channel)) << 4) + ((1 - (drive)) << 3)))
+#define AMD756_UDMA_EN(channel, drive) (0x40 << \
+	(((1 - (channel)) << 4) + ((1 - (drive)) << 3)))
+#define AMD756_UDMA_EN_MTH(channel, drive) (0x80 << \
+	(((1 - (channel)) << 4) + ((1 - (drive)) << 3)))
+
+static const int8_t amd756_udma_tim[] = {0x02, 0x01, 0x00, 0x04, 0x05};
-- 
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