Moved from freebios

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@862 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 57 insertions, 0 deletions

diff --git a/src/northbridge/motorola/mpc107/i2c.h b/src/northbridge/motorola/mpc107/i2c.h
new file mode 100644
index 0000000000..868c94a082
--- /dev/null
+++ b/src/northbridge/motorola/mpc107/i2c.h
@@ -0,0 +1,57 @@
+/* $Id$
+ * (C) Copyright 2002
+ * Humboldt Solutions Ltd, <adrian@humboldt.co.uk>
+ *
+ * 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 _I2C_H
+#define _I2C_H
+
+struct i2c_bus;
+
+typedef struct i2c_fn
+{
+    void (* start)(struct i2c_bus *bus);
+    void (* stop)(struct i2c_bus *bus);
+    int (* master_write)(struct i2c_bus *bus, int target, int address,
+	    const u8 *data, int length);
+    int (* master_read)(struct i2c_bus *bus, int target, int address,
+	    u8 *data, int length);
+} i2c_fn;
+
+typedef struct i2c_bus
+{
+    const i2c_fn *fn;
+    char *tag;
+    void *data;
+    struct i2c_bus *next;
+} i2c_bus;
+
+i2c_bus *find_i2c_bus(const char *name);
+int register_i2c_bus(const i2c_fn *fn, char *tag, void *data);
+
+void i2c_start(struct i2c_bus *bus);
+void i2c_stop(struct i2c_bus *bus);
+int i2c_master_write(struct i2c_bus *bus, int target, int address,
+	    const u8 *data, int length);
+int i2c_master_read(struct i2c_bus *bus, int target, int address,
+	    u8 *data, int length);
+void init_i2c_nvram(const char *i2c_tag);
+
+extern i2c_fn mpc107_i2c_fn;
+
+#endif