[src/trunk]: src/sys/dev/i2c AllWinner implementation uses a different regist...

[jmcneill <jmcneill%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/8d76565d0d23
branches:  trunk
changeset: 332177:8d76565d0d23
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Tue Sep 09 22:44:32 2014 +0000

description:
AllWinner implementation uses a different register layout, select it with options GTTWSI_ALLWINNER

diffstat:

 sys/dev/i2c/files.i2c   |   3 ++-
 sys/dev/i2c/gttwsireg.h |  14 +++++++++++++-
 2 files changed, 15 insertions(+), 2 deletions(-)

diffs (54 lines):

diff -r bb8bba1ede0d -r 8d76565d0d23 sys/dev/i2c/files.i2c
--- a/sys/dev/i2c/files.i2c     Tue Sep 09 21:26:47 2014 +0000
+++ b/sys/dev/i2c/files.i2c     Tue Sep 09 22:44:32 2014 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: files.i2c,v 1.54 2014/05/18 11:46:23 kardel Exp $
+#      $NetBSD: files.i2c,v 1.55 2014/09/09 22:44:32 jmcneill Exp $
 
 obsolete defflag       opt_i2cbus.h            I2C_SCAN
 define i2cbus { }
@@ -54,6 +54,7 @@
 file   dev/i2c/motoi2c.c                       motoi2c
 define mvi2c
 file   dev/i2c/gttwsi_core.c                   mvi2c
+defflag opt_gttwsi.h                           GTTWSI_ALLWINNER
 
 #
 # I2C client devices
diff -r bb8bba1ede0d -r 8d76565d0d23 sys/dev/i2c/gttwsireg.h
--- a/sys/dev/i2c/gttwsireg.h   Tue Sep 09 21:26:47 2014 +0000
+++ b/sys/dev/i2c/gttwsireg.h   Tue Sep 09 22:44:32 2014 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: gttwsireg.h,v 1.1 2013/09/06 00:56:12 matt Exp $ */
+/* $NetBSD: gttwsireg.h,v 1.2 2014/09/09 22:44:32 jmcneill Exp $ */
 
 /*
  * Copyright (c) 2008 Eiji Kawauchi.
@@ -27,8 +27,19 @@
 #ifndef _GTTWSIREG_H_
 #define _GTTWSIREG_H_
 
+#include "opt_gttwsi.h"
+
 #define GTTWSI_SIZE            0x100
 
+#if defined(GTTWSI_ALLWINNER)
+#define TWSI_SLAVEADDR         0x00
+#define TWSI_EXTEND_SLAVEADDR  0x04
+#define TWSI_DATA              0x08
+#define TWSI_CONTROL           0x0c
+#define TWSI_STATUS            0x10
+#define TWSI_BAUDRATE          0x14
+#define TWSI_SOFTRESET         0x1c
+#else
 #define        TWSI_SLAVEADDR          0x00
 #define        TWSI_EXTEND_SLAVEADDR   0x10
 #define        TWSI_DATA               0x04
@@ -36,6 +47,7 @@
 #define        TWSI_STATUS             0x0c    /* for read */
 #define        TWSI_BAUDRATE           0x0c    /* for write */
 #define        TWSI_SOFTRESET          0x1c
+#endif
 
 #define        SLAVEADDR_GCE_MASK      0x01
 #define        SLAVEADDR_SADDR_MASK    0xfe