Support passing of OF flat trees to the kernel.
Patch by Pantelis Antoniou, 04 Sep 2005
diff --git a/include/configs/NC650.h b/include/configs/NC650.h
index d24d05f..cd04c1a 100644
--- a/include/configs/NC650.h
+++ b/include/configs/NC650.h
@@ -99,19 +99,17 @@
#define SCL 0x1000 /* PA 3 */
#define SDA 0x2000 /* PA 2 */
-#define PAR immr->im_ioport.iop_papar
-#define DIR immr->im_ioport.iop_padir
-#define DAT immr->im_ioport.iop_padat
-
-#define I2C_INIT {PAR &= ~(SCL | SDA); DIR |= SCL;}
-#define I2C_ACTIVE (DIR |= SDA)
-#define I2C_TRISTATE (DIR &= ~SDA)
-#define I2C_READ ((DAT & SDA) != 0)
-#define I2C_SDA(bit) if (bit) DAT |= SDA; \
- else DAT &= ~SDA
-#define I2C_SCL(bit) if (bit) DAT |= SCL; \
- else DAT &= ~SCL
-#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
+#define __I2C_DIR immr->im_ioport.iop_padir
+#define __I2C_DAT immr->im_ioport.iop_padat
+#define __I2C_PAR immr->im_ioport.iop_papar
+#define I2C_INIT { __I2C_PAR &= ~(SDA|SCL); \
+ __I2C_DIR |= (SDA|SCL); }
+#define I2C_READ ((__I2C_DAT & SDA) ? 1 : 0)
+#define I2C_SDA(x) { if (x) __I2C_DAT |= SDA; else __I2C_DAT &= ~SDA; }
+#define I2C_SCL(x) { if (x) __I2C_DAT |= SCL; else __I2C_DAT &= ~SCL; }
+#define I2C_DELAY { udelay(5); }
+#define I2C_ACTIVE { __I2C_DIR |= SDA; }
+#define I2C_TRISTATE { __I2C_DIR &= ~SDA; }
#define CONFIG_RTC_PCF8563
#define CFG_I2C_RTC_ADDR 0x51