add qec+qe stuff from NetBSD (originally from OpenBSD... funny circle, eh?)

including:
- OpenBSD style boot determination
- local version of media handling
- other local modifications, too.

1 files changed, 121 insertions, 0 deletions

diff --git a/sys/dev/sbus/qecreg.h b/sys/dev/sbus/qecreg.h
new file mode 100644
index 00000000000..e97fd542f5f
--- /dev/null
+++ b/sys/dev/sbus/qecreg.h
@@ -0,0 +1,121 @@
+/*	$OpenBSD: qecreg.h,v 1.1 2001/08/20 22:09:27 jason Exp $	*/
+/*	$NetBSD: qecreg.h,v 1.2 1999/01/16 12:46:08 pk Exp $	*/
+
+/*-
+ * Copyright (c) 1998 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Paul Kranenburg.
+ *
+ * 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) 1998 Theo de Raadt and Jason L. Wright.
+ * 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 authors may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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.
+ */
+
+/*
+ * QEC registers layout
+ *-
+struct qecregs {
+	u_int32_t	qec_ctrl;	// control
+	u_int32_t	qec_stat;	// status
+	u_int32_t	qec_psize;	// packet size
+	u_int32_t	qec_msize;	// local-mem size (64K)
+	u_int32_t	qec_rsize;	// receive partition size
+	u_int32_t	qec_tsize;	// transmit partition size
+};
+ */
+#define QEC_QRI_CTRL	(0*4)
+#define QEC_QRI_STAT	(1*4)
+#define QEC_QRI_PSIZE	(2*4)
+#define QEC_QRI_MSIZE	(3*4)
+#define QEC_QRI_RSIZE	(4*4)
+#define QEC_QRI_TSIZE	(5*4)
+
+#define QEC_CTRL_MODEMASK	0xf0000000	/* QEC mode: */
+#define  QEC_CTRL_MMODE		0x40000000	/*   MACE qec mode */
+#define  QEC_CTRL_BMODE		0x10000000	/*   BE qec mode */
+#define QEC_CTRL_EPAR		0x00000020	/* enable parity */
+#define QEC_CTRL_ACNTRL		0x00000018	/* sbus arbitration control */
+#define QEC_CTRL_B64		0x00000004	/* 64 byte dvma bursts */
+#define QEC_CTRL_B32		0x00000002	/* 32 byte dvma bursts */
+#define QEC_CTRL_B16		0x00000000	/* 16 byte dvma bursts */
+#define QEC_CTRL_RESET		0x00000001	/* reset the qec */
+
+#define QEC_STAT_TX		0x00000008	/* bigmac transmit irq */
+#define QEC_STAT_RX		0x00000004	/* bigmac receive irq */
+#define QEC_STAT_BM		0x00000002	/* bigmac qec irq */
+#define QEC_STAT_ER		0x00000001	/* bigmac error irq */
+
+#define QEC_PSIZE_2048		0x00		/* 2k packet size */
+#define QEC_PSIZE_4096		0x01		/* 4k packet size */
+#define QEC_PSIZE_6144		0x10		/* 6k packet size */
+#define QEC_PSIZE_8192		0x11		/* 8k packet size */
+
+
+
+/*
+ * Transmit & receive buffer descriptor.
+ */
+struct qec_xd {
+	volatile u_int32_t	xd_flags;	/* see below */
+	volatile u_int32_t	xd_addr;	/* Buffer address (DMA) */
+};
+#define QEC_XD_OWN	0x80000000	/* ownership: 1=hw, 0=sw */
+#define QEC_XD_SOP	0x40000000	/* start of packet marker (xmit) */
+#define QEC_XD_EOP	0x20000000	/* end of packet marker (xmit) */
+#define QEC_XD_UPDATE	0x10000000	/* being updated? */
+#define QEC_XD_LENGTH	0x00001fff	/* packet length mask */
+/* Descriptor ring size is fixed */
+#define QEC_XD_RING_MAXSIZE	256		/* maximum ring size */