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authorMatthias Fuchs <matthias.fuchs@esd.eu>2009-10-26 09:55:40 +0100
committerStefan Roese <sr@denx.de>2009-11-17 13:19:58 +0100
commit067f54c66acd469870ef6946e1591bfcc02de1b3 (patch)
tree14427d62873597287df6f34758440944de7c42ed /include
parent3c014f1586d5bfe30dca7549396915c83f31cd30 (diff)
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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>
Diffstat (limited to 'include')
-rw-r--r--include/sja1000.h60
1 files changed, 60 insertions, 0 deletions
diff --git a/include/sja1000.h b/include/sja1000.h
new file mode 100644
index 0000000..59e35af
--- /dev/null
+++ b/include/sja1000.h
@@ -0,0 +1,60 @@
+/*
+ * 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