diff --git a/arch/powerpc/cpu/ppc4xx/40x_spd_sdram.c b/arch/powerpc/cpu/ppc4xx/40x_spd_sdram.c
index 48aa753..fd458fd 100644
--- a/arch/powerpc/cpu/ppc4xx/40x_spd_sdram.c
+++ b/arch/powerpc/cpu/ppc4xx/40x_spd_sdram.c
@@ -52,10 +52,6 @@
 /*
  * Set default values
  */
-#ifndef CONFIG_SYS_I2C_SPEED
-#define CONFIG_SYS_I2C_SPEED	50000
-#endif
-
 #define ONE_BILLION	1000000000
 
 #define	 SDRAM0_CFG_DCE		0x80000000
@@ -158,7 +154,7 @@
 		 * Make sure I2C controller is initialized
 		 * before continuing.
 		 */
-		i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+		i2c_set_bus_num(CONFIG_SYS_SPD_BUS_NUM);
 	}
 
 	/* Make shure we are using SDRAM */
diff --git a/arch/powerpc/cpu/ppc4xx/44x_spd_ddr.c b/arch/powerpc/cpu/ppc4xx/44x_spd_ddr.c
index 161d274..9c566c1 100644
--- a/arch/powerpc/cpu/ppc4xx/44x_spd_ddr.c
+++ b/arch/powerpc/cpu/ppc4xx/44x_spd_ddr.c
@@ -62,10 +62,6 @@
 /*
  * Set default values
  */
-#ifndef CONFIG_SYS_I2C_SPEED
-#define CONFIG_SYS_I2C_SPEED	50000
-#endif
-
 #define ONE_BILLION	1000000000
 
 /*
@@ -168,7 +164,7 @@
 	 * Make sure I2C controller is initialized
 	 * before continuing.
 	 */
-	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+	i2c_set_bus_num(CONFIG_SYS_SPD_BUS_NUM);
 
 	/*
 	 * Read the SPD information using I2C interface. Check to see if the
diff --git a/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c b/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c
index def7ebf..a66973e 100644
--- a/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c
+++ b/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c
@@ -459,8 +459,7 @@
 	 */
 
 	/* switch to correct I2C bus */
-	I2C_SET_BUS(CONFIG_SYS_SPD_BUS_NUM);
-	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+	i2c_set_bus_num(CONFIG_SYS_SPD_BUS_NUM);
 
 	/*------------------------------------------------------------------
 	 * Clear out the serial presence detect buffers.
diff --git a/arch/powerpc/cpu/ppc4xx/cmd_chip_config.c b/arch/powerpc/cpu/ppc4xx/cmd_chip_config.c
index 72c5aec..0eafe3e 100644
--- a/arch/powerpc/cpu/ppc4xx/cmd_chip_config.c
+++ b/arch/powerpc/cpu/ppc4xx/cmd_chip_config.c
@@ -56,7 +56,7 @@
 	 * First switch to correct I2C bus. This is I2C bus 0
 	 * for all currently available 4xx derivats.
 	 */
-	I2C_SET_BUS(0);
+	i2c_set_bus_num(0);
 
 #ifdef CONFIG_CMD_EEPROM
 	ret = eeprom_read(CONFIG_4xx_CONFIG_I2C_EEPROM_ADDR,
diff --git a/arch/powerpc/cpu/ppc4xx/denali_spd_ddr2.c b/arch/powerpc/cpu/ppc4xx/denali_spd_ddr2.c
index 3ceab32..df96375 100644
--- a/arch/powerpc/cpu/ppc4xx/denali_spd_ddr2.c
+++ b/arch/powerpc/cpu/ppc4xx/denali_spd_ddr2.c
@@ -1041,8 +1041,7 @@
 	 * before continuing.
 	 */
 	/* switch to correct I2C bus */
-	I2C_SET_BUS(CONFIG_SYS_SPD_BUS_NUM);
-	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+	i2c_set_bus_num(CONFIG_SYS_SPD_BUS_NUM);
 
 	/*------------------------------------------------------------------
 	 * Clear out the serial presence detect buffers.
diff --git a/arch/powerpc/include/asm/ppc4xx-i2c.h b/arch/powerpc/include/asm/ppc4xx-i2c.h
index 0c6c926..89de508 100644
--- a/arch/powerpc/include/asm/ppc4xx-i2c.h
+++ b/arch/powerpc/include/asm/ppc4xx-i2c.h
@@ -34,24 +34,6 @@
 
 #define IIC_TIMEOUT	1		/* 1 second */
 
-#if defined(CONFIG_I2C_MULTI_BUS)
-#define I2C_BUS_OFFS	(i2c_bus_num * 0x100)
-#else
-#define I2C_BUS_OFFS	(0x000)
-#endif /* CONFIG_I2C_MULTI_BUS */
-
-#if defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
-    defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
-    defined(CONFIG_460EX) || defined(CONFIG_460GT)
-#define I2C_BASE_ADDR	(CONFIG_SYS_PERIPHERAL_BASE + 0x00000700 + I2C_BUS_OFFS)
-#elif defined(CONFIG_440) || defined(CONFIG_405EX)
-/* all remaining 440 variants */
-#define I2C_BASE_ADDR	(CONFIG_SYS_PERIPHERAL_BASE + 0x00000400 + I2C_BUS_OFFS)
-#else
-/* all 405 variants */
-#define I2C_BASE_ADDR	(0xEF600500 + I2C_BUS_OFFS)
-#endif
-
 struct ppc4xx_i2c {
 	u8 mdbuf;
 	u8 res1;