[U-Boot-Users] [PATCH] New Dummy I2C Driver

[Ricardo Ribalda Delgado]

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda at uam.es>
---
 drivers/i2c/Makefile    |    1 +
 drivers/i2c/dummy_i2c.c |   74 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 75 insertions(+), 0 deletions(-)
 create mode 100644 drivers/i2c/dummy_i2c.c

diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile
index 534c015..94a0791 100644
--- a/drivers/i2c/Makefile
+++ b/drivers/i2c/Makefile
@@ -30,6 +30,7 @@ COBJS-y += omap1510_i2c.o
 COBJS-y += omap24xx_i2c.o
 COBJS-y += tsi108_i2c.o
 COBJS-y += mxc_i2c.o
+COBJS-$(CONFIG_DUMMY_I2C) += dummy_i2c.o
 
 COBJS	:= $(COBJS-y)
 SRCS	:= $(COBJS:.o=.c)
diff --git a/drivers/i2c/dummy_i2c.c b/drivers/i2c/dummy_i2c.c
new file mode 100644
index 0000000..92493e9
--- /dev/null
+++ b/drivers/i2c/dummy_i2c.c
@@ -0,0 +1,74 @@
+/*   
+    (C) Copyright 2008
+    Ricado Ribalda-Universidad Autonoma de Madrid-ricardo.ribalda at uam.es
+    This work has been supported by: Q-Technology  http://qtec.com/
+
+    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, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <common.h>
+
+
+#include <i2c.h>
+u8 i2c_dummy_buffer[256]={0x80,0x8,0x8,0x0D,0x0A,0x60,0x40,0x0,0x5,\
+	0x3D,0x50,0x0,0x82,0x10,0x0,0x0,0x0C,0x4,0x18,0x1,0x4,0x0,\
+	0x1,0x50,0x50,0x0,0x0,0x3C,0x28,0x3C,0x2D,0x40,0x25,0x37,\
+	0x10,0x22,0x3C,0x1E,0x1E,0x0,0x0,0x3C,0x69,0x80,0x1E,0x28,\
+	0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,\
+	0x0,0x12,0xC9,0x2C,'0','0','0','0','0','0','0',0x0,'4','H',\
+	'T','F','3','2','6','4','H','Y','-','5','3','E','D','3',\
+	0x3,0x0,0x0,0x0,0x0};
+	
+void i2c_init(int speed, int slaveaddr){
+	return ;
+}
+
+int i2c_read(uchar chip, uint addr, int alen, uchar * buffer, int len)
+{
+	int i;
+	if (alen!=1)
+		return -1;
+
+	if (addr+len>0xff)
+		return -1;
+
+	for(i=0;i<len;i++){
+		buffer[i]=i2c_dummy_buffer[i+addr];
+	}
+
+	return 0;
+}
+
+int i2c_write(uchar chip, uint addr, int alen, uchar * buffer, int len)
+{
+	int i;
+	if (alen!=1)
+		return -1;
+	
+	if (addr+len>0xff)
+		return -1;
+
+	for(i=0;i<len;i++){
+		i2c_dummy_buffer[i+addr]=buffer[i];
+	}
+
+	return 0;
+}
+
+
+int i2c_probe(uchar chip)
+{
+	return 0;
+}
+
-- 
1.5.6.2