[U-Boot-Users] errors in using DS1337

[Ben Warren]

xiangguo_li at hotmail.com wrote:
> hello,
>
> the I2C interface is on hostbridge(Tsi109).
>
> thank you.
>
I assume you're using the tsi108 driver.  Please try applying the 
following untested patch:

diff --git a/drivers/i2c/tsi108_i2c.c b/drivers/i2c/tsi108_i2c.c
index d6736b0..d337c1f 100644
--- a/drivers/i2c/tsi108_i2c.c
+++ b/drivers/i2c/tsi108_i2c.c
@@ -279,5 +279,20 @@ int i2c_probe (uchar chip)
        return i2c_read (chip, 0, 1, (uchar *)&tmp, 1);
 }
 
+uchar i2c_reg_read(uchar i2c_addr, uchar reg)
+{
+       uchar buf;
+
+       i2c_read(i2c_addr, reg, 1, &buf, 1);
+
+       return buf;
+}
+
+void i2c_reg_write(uchar i2c_addr, uchar reg, uchar val)
+{
+       i2c_write(i2c_addr, reg, 1, &val, 1);
+}
+
+