* Patches by David Müller, 31 Jan 2003:

[platform/kernel/u-boot.git] / cpu / ppc4xx / i2c.c

diff --git a/cpu/ppc4xx/i2c.c b/cpu/ppc4xx/i2c.c
index 7d8db9b..4bf0bbd 100644 (file)
--- a/cpu/ppc4xx/i2c.c
+++ b/cpu/ppc4xx/i2c.c
@@ -422,4 +422,23 @@ int i2c_write (uchar chip, uint addr, int alen, uchar * buffer, int len)
         return (i2c_transfer( 0, chip<<1, &xaddr[4-alen], alen, buffer, len ) != 0);
 }
 
+/*-----------------------------------------------------------------------
+ * Read a register
+ */
+uchar i2c_reg_read(uchar i2c_addr, uchar reg)
+{
+       char buf;
+
+       i2c_read(i2c_addr, reg, 1, &buf, 1);
+
+       return(buf);
+}
+
+/*-----------------------------------------------------------------------
+ * Write a register
+ */
+void i2c_reg_write(uchar i2c_addr, uchar reg, uchar val)
+{
+       i2c_write(i2c_addr, reg, 1, &val, 1);
+}
 #endif /* CONFIG_HARD_I2C */