Add minimal SJA1000 header for basic CAN mode

This patch is in preparation for the upcoming PLU405 board fix.

Signed-off-by: Matthias Fuchs <matthias.fuchs@esd.eu>
Signed-off-by: Stefan Roese <sr@denx.de>

include/sja1000.h

+/*
+ * Copyright 2009, Matthias Fuchs <matthias.fuchs@esd.eu>
+ *
+ * SJA1000 register layout for basic CAN mode
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _SJA1000_H_
+#define _SJA1000_H_
+
+/*
+ * SJA1000 register layout in basic can mode
+ */
+struct sja1000_basic_s {
+	u8 cr;
+	u8 cmr;
+	u8 sr;
+	u8 ir;
+	u8 ac;
+	u8 am;
+	u8 btr0;
+	u8 btr1;
+	u8 oc;
+	u8 txb[10];
+	u8 rxb[10];
+	u8 unused;
+	u8 cdr;
+};
+
+/* control register */
+#define CR_RR		0x01
+
+/* output control register */
+#define OC_MODE0	0x01
+#define OC_MODE1	0x02
+#define OC_POL0		0x04
+#define OC_TN0		0x08
+#define OC_TP0		0x10
+#define OC_POL1		0x20
+#define OC_TN1		0x40
+#define OC_TP1		0x80
+
+#endif