diff --git a/include/mpc83xx.h b/include/mpc83xx.h
index ba6cdf1..0ae83da 100644
--- a/include/mpc83xx.h
+++ b/include/mpc83xx.h
@@ -319,6 +319,54 @@
 #define SICRH_GPIO2_H			0x00000030
 #define SICRH_SPI			0x00000003
 #define SICRH_SPI_SD			0x00000001
+
+#elif defined(CONFIG_MPC8308)
+/* SICRL bits - MPC8308 specific */
+#define SICRL_SPI_PF0			(0 << 28)
+#define SICRL_SPI_PF1			(1 << 28)
+#define SICRL_SPI_PF3			(3 << 28)
+#define SICRL_UART_PF0			(0 << 26)
+#define SICRL_UART_PF1			(1 << 26)
+#define SICRL_UART_PF3			(3 << 26)
+#define SICRL_IRQ_PF0			(0 << 24)
+#define SICRL_IRQ_PF1			(1 << 24)
+#define SICRL_I2C2_PF0			(0 << 20)
+#define SICRL_I2C2_PF1			(1 << 20)
+#define SICRL_ETSEC1_TX_CLK		(0 << 6)
+#define SICRL_ETSEC1_GTX_CLK125		(1 << 6)
+
+/* SICRH bits - MPC8308 specific */
+#define SICRH_ESDHC_A_SD		(0 << 30)
+#define SICRH_ESDHC_A_GTM		(1 << 30)
+#define SICRH_ESDHC_A_GPIO		(3 << 30)
+#define SICRH_ESDHC_B_SD		(0 << 28)
+#define SICRH_ESDHC_B_GTM		(1 << 28)
+#define SICRH_ESDHC_B_GPIO		(3 << 28)
+#define SICRH_ESDHC_C_SD		(0 << 26)
+#define SICRH_ESDHC_C_GTM		(1 << 26)
+#define SICRH_ESDHC_C_GPIO		(3 << 26)
+#define SICRH_GPIO_A_GPIO		(0 << 24)
+#define SICRH_GPIO_A_TSEC2		(1 << 24)
+#define SICRH_GPIO_B_GPIO		(0 << 22)
+#define SICRH_GPIO_B_TSEC2_TX_CLK	(1 << 22)
+#define SICRH_GPIO_B_TSEC2_GTX_CLK125	(2 << 22)
+#define SICRH_IEEE1588_A_TMR		(1 << 20)
+#define SICRH_IEEE1588_A_GPIO		(3 << 20)
+#define SICRH_USB			(1 << 18)
+#define SICRH_GTM_GTM			(1 << 16)
+#define SICRH_GTM_GPIO			(3 << 16)
+#define SICRH_IEEE1588_B_TMR		(1 << 14)
+#define SICRH_IEEE1588_B_GPIO		(3 << 14)
+#define SICRH_ETSEC2_CRS		(1 << 12)
+#define SICRH_ETSEC2_GPIO		(3 << 12)
+#define SICRH_GPIOSEL_0			(0 << 8)
+#define SICRH_GPIOSEL_1			(1 << 8)
+#define SICRH_TMROBI_V3P3		(0 << 4)
+#define SICRH_TMROBI_V2P5		(1 << 4)
+#define SICRH_TSOBI1_V3P3		(0 << 1)
+#define SICRH_TSOBI1_V2P5		(1 << 1)
+#define SICRH_TSOBI2_V3P3		(0 << 0)
+#define SICRH_TSOBI2_V2P5		(1 << 0)
 #endif
 
 /* SWCRR - System Watchdog Control Register