New driver for the AMD PCnet-PCI family of Ethernet chips. This

driver uses direct DMA to mbufs (like other PCI network drivers,
and unlike the old "le at pci" driver), and also supports communication
with the MII-connected PHYs on the 10/100 boards.

From NetBSD

1 files changed, 150 insertions, 0 deletions

diff --git a/sys/dev/ic/am79900reg.h b/sys/dev/ic/am79900reg.h
new file mode 100644
index 00000000000..87ef1c724be
--- /dev/null
+++ b/sys/dev/ic/am79900reg.h
@@ -0,0 +1,150 @@
+/*	$OpenBSD: am79900reg.h,v 1.1 2005/07/28 01:31:22 brad Exp $	*/
+/*	$NetBSD: am79900reg.h,v 1.7 2005/02/27 00:27:00 perry Exp $	*/
+
+/*-
+ * Copyright (c) 1998 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Charles M. Hannum.
+ *
+ * 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 NetBSD
+ *        Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
+ */
+
+/*-
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell and Rick Macklem.
+ *
+ * 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. 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.
+ *
+ *	@(#)if_lereg.h	8.1 (Berkeley) 6/10/93
+ */
+
+/*
+ * Receive message descriptor
+ */
+struct lermd {
+	u_int32_t rmd0;
+	u_int32_t rmd1;
+	u_int32_t rmd2;
+	int32_t rmd3;
+};
+
+/*
+ * Transmit message descriptor
+ */
+struct letmd {
+	u_int32_t tmd0;
+	u_int32_t tmd1;
+	u_int32_t tmd2;
+	int32_t tmd3;
+};
+
+/*
+ * Initialization block
+ */
+struct leinit {
+	u_int32_t init_mode;		/* +0x0000 */
+	u_int32_t init_padr[2];		/* +0x0002 */
+	u_int16_t init_ladrf[4];	/* +0x0008 */
+	u_int32_t init_rdra;		/* +0x0010 */
+	u_int32_t init_tdra;		/* +0x0014 */
+	int32_t	  pad;		/* Pad to 16 shorts */
+};
+
+/* Receive message descriptor 1 (rmd1_bits) */
+#define	LE_R1_OWN	(1<<31)		/* LANCE owns the packet */
+#define	LE_R1_ERR	(1<<30)		/* error summary */
+#define	LE_R1_FRAM	(1<<29)		/* framing error */
+#define	LE_R1_OFLO	(1<<28)		/* overflow error */
+#define	LE_R1_CRC	(1<<27)		/* CRC error */
+#define	LE_R1_BUFF	(1<<26)		/* buffer error */
+#define	LE_R1_STP	(1<<25)		/* start of packet */
+#define	LE_R1_ENP	(1<<24)		/* end of packet */
+#define	LE_R1_ONES	(0xf<<12)	/* must be ones */
+#define	LE_R1_BCNT_MASK	(0xfff)		/* byte count mask */
+
+#define	LE_R1_BITS \
+    "\20\40OWN\37ERR\36FRAM\35OFLO\34CRC\33BUFF\32STP\31ENP"
+
+/* Transmit message descriptor 1 (tmd1_bits) */
+#define	LE_T1_OWN	(1<<31)		/* LANCE owns the packet */
+#define	LE_T1_ERR	(1<<30)		/* error summary */
+#define	LE_T1_ADD_FCS	(1<<29)		/* add FCS (PCnet-PCI) */
+#define	LE_T1_NO_FCS	(1<<29)		/* no FCS (ILACC) */
+#define	LE_T1_MORE	(1<<28)		/* multiple collisions */
+#define	LE_T1_LTINT	(1<<28)		/* transmit interrupt (if LTINTEN) */
+#define	LE_T1_ONE	(1<<27)		/* single collision */
+#define	LE_T1_DEF	(1<<26)		/* deferred transmit */
+#define	LE_T1_STP	(1<<25)		/* start of packet */
+#define	LE_T1_ENP	(1<<24)		/* end of packet */
+#define	LE_T1_ONES	(0xf<<12)	/* must be ones */
+#define	LE_T1_BCNT_MASK	(0xfff)		/* byte count mask */
+
+#define	LE_T1_BITS \
+    "\20\40OWN\37ERR\36RES\35MORE\34ONE\33DEF\32STP\31ENP"
+
+/* Transmit message descriptor 3 (tmd3) */
+#define	LE_T2_BUFF	(1<<31)		/* buffer error */
+#define	LE_T2_UFLO	(1<<30)		/* underflow error */
+#define	LE_T2_EXDEF	(1<<29)		/* excessive defferral */
+#define	LE_T2_LCOL	(1<<28)		/* late collision */
+#define	LE_T2_LCAR	(1<<27)		/* loss of carrier */
+#define	LE_T2_RTRY	(1<<26)		/* retry error */
+#if 0
+#define	LE_T3_TDR_MASK	0x03ff		/* time domain reflectometry counter */
+#endif
+
+#define	LE_T3_BITS \
+    "\12\40BUFF\37UFLO\35LCOL\34LCAR\33RTRY"