diff --git a/arch/powerpc/cpu/mpc83xx/Kconfig b/arch/powerpc/cpu/mpc83xx/Kconfig
index 9637683..9f7b3a2 100644
--- a/arch/powerpc/cpu/mpc83xx/Kconfig
+++ b/arch/powerpc/cpu/mpc83xx/Kconfig
@@ -294,6 +294,7 @@
 source "arch/powerpc/cpu/mpc83xx/lblaw/Kconfig"
 source "arch/powerpc/cpu/mpc83xx/elbc/Kconfig"
 source "arch/powerpc/cpu/mpc83xx/hid/Kconfig"
+source "arch/powerpc/cpu/mpc83xx/sysio/Kconfig"
 
 menu "Legacy options"
 
diff --git a/arch/powerpc/cpu/mpc83xx/cpu_init.c b/arch/powerpc/cpu/mpc83xx/cpu_init.c
index 5ce7b79..3df01ee 100644
--- a/arch/powerpc/cpu/mpc83xx/cpu_init.c
+++ b/arch/powerpc/cpu/mpc83xx/cpu_init.c
@@ -14,6 +14,7 @@
 
 #include "lblaw/lblaw.h"
 #include "elbc/elbc.h"
+#include "sysio/sysio.h"
 
 DECLARE_GLOBAL_DATA_PTR;
 
diff --git a/arch/powerpc/cpu/mpc83xx/sysio/Kconfig b/arch/powerpc/cpu/mpc83xx/sysio/Kconfig
new file mode 100644
index 0000000..9e1f158
--- /dev/null
+++ b/arch/powerpc/cpu/mpc83xx/sysio/Kconfig
@@ -0,0 +1,7 @@
+menu "System I/O configuration"
+
+if ARCH_MPC8308
+source "arch/powerpc/cpu/mpc83xx/sysio/Kconfig.mpc8308"
+endif
+
+endmenu
diff --git a/arch/powerpc/cpu/mpc83xx/sysio/Kconfig.mpc8308 b/arch/powerpc/cpu/mpc83xx/sysio/Kconfig.mpc8308
new file mode 100644
index 0000000..de62171
--- /dev/null
+++ b/arch/powerpc/cpu/mpc83xx/sysio/Kconfig.mpc8308
@@ -0,0 +1,323 @@
+choice
+	prompt "SPI group"
+
+config SICR_SPI_SPI
+	bool "SPI"
+
+config SICR_SPI_MSRCID
+	bool "MSRCID"
+
+config SICR_SPI_LSRCID
+	bool "LSRCID"
+
+endchoice
+
+choice
+	prompt "UART group"
+
+config SICR_UART_SPI
+	bool "UART"
+
+config SICR_UART_MSRCID
+	bool "MSRCID"
+
+config SICR_UART_LSRCID
+	bool "LSRCID"
+
+endchoice
+
+choice
+	prompt "IRQ group"
+
+config SICR_IRQ_SPI
+	bool "IRQ"
+
+config SICR_IRQ_MCP_CKSTOP
+	bool "MCP/CKSTOP"
+
+config SICR_IRQ_INTA
+	bool "INTA"
+
+endchoice
+
+choice
+	prompt "I2C2 group"
+
+config SICR_I2C2_I2C
+	bool "IRQ"
+
+config SICR_I2C2_CKSTOP
+	bool "CKSTOP"
+
+endchoice
+
+choice
+	prompt "ETSEC1 A group"
+
+config SICR_ETSEC1_A_TSEC2
+	bool "TSEC1"
+
+config SICR_ETSEC1_A_TSEC_GTX_CLK125
+	bool "TSEC1 GTX_CLK125"
+
+endchoice
+
+choice
+	prompt "eSDHC A group"
+
+config SICR_ESDHC_A_SD
+	bool "SD"
+
+config SICR_ESDHC_A_GTM
+	bool "GTM"
+
+config SICR_ESDHC_A_GPIO
+	bool "GPIO"
+
+endchoice
+
+choice
+	prompt "eSDHC B group"
+
+config SICR_ESDHC_B_SD
+	bool "SD"
+
+config SICR_ESDHC_B_GTM
+	bool "GTM"
+
+config SICR_ESDHC_B_GPIO
+	bool "GPIO"
+
+endchoice
+
+choice
+	prompt "eSDHC C group"
+
+config SICR_ESDHC_C_SD
+	bool "SD"
+
+config SICR_ESDHC_C_GTM
+	bool "GTM"
+
+config SICR_ESDHC_C_GPIO
+	bool "GPIO"
+
+endchoice
+
+choice
+	prompt "GPIO A group"
+
+config SICR_GPIO_A_GPIO
+	bool "GPIO"
+
+config SICR_GPIO_A_TSEC2
+	bool "TSEC2"
+
+endchoice
+
+choice
+	prompt "GPIO B group"
+
+config SICR_GPIO_B_GPIO
+	bool "GPIO"
+
+config SICR_GPIO_B_TSEC2
+	bool "TSEC2"
+
+config SICR_GPIO_B_TSEC_GTX_CLK125
+	bool "TSEC2 GTX_CLK125"
+
+endchoice
+
+choice
+	prompt "IEEE1588 A group"
+
+config SICR_IEEE1588_A_TSEC
+	bool "TSEC"
+
+config SICR_IEEE1588_A_GPIO
+	bool "GPIO"
+
+endchoice
+
+choice
+	prompt "USB group"
+
+config SICR_USB_TSEC
+	bool "USB"
+
+endchoice
+
+choice
+	prompt "GTM group"
+
+config SICR_GTM_TSEC
+	bool "GTM"
+
+config SICR_GTM_GPIO
+	bool "GPIO"
+
+endchoice
+
+choice
+	prompt "IEEE1588 B group"
+
+config SICR_IEEE1588_B_GPIO
+	bool "GPIO"
+
+endchoice
+
+choice
+	prompt "ETSEC2 group"
+
+config SICR_ETSEC2_TSEC2
+	bool "TSEC2"
+
+config SICR_ETSEC2_GPIO
+	bool "GPIO"
+
+endchoice
+
+choice
+	prompt "GPIO selection"
+
+config SICR_GPIOSEL_GPIO
+	bool "GPIO_A, GPIO_B"
+
+config SICR_GPIOSEL_IEEE1588
+	bool "IEEE1588_A, IEEE1588_B, ETSEC2"
+
+endchoice
+
+choice
+	prompt "IEEE1588 timer output buffer impedance"
+
+config SICR_TMROBI_3_3_V
+	bool "40 Ohm, 3.3V"
+
+config SICR_TMROBI_2_5_V
+	bool "40 Ohm, 2.5V"
+
+endchoice
+
+choice
+	prompt "TSEC1 output buffer impedance"
+
+config SICR_TMSOBI1_3_3_V
+	bool "40 Ohm, 3.3V"
+
+config SICR_TMSOBI1_2_5_V
+	bool "40 Ohm, 2.5V"
+
+endchoice
+
+choice
+	prompt "TSEC2 output buffer impedance"
+
+config SICR_TMSOBI2_3_3_V
+	bool "40 Ohm, 3.3V"
+
+config SICR_TMSOBI2_2_5_V
+	bool "40 Ohm, 2.5V"
+
+endchoice
+
+config SICRL_SPI
+	hex
+	default 0x0 if SICR_SPI_SPI
+	default 0x10000000 if SICR_SPI_MSRCID
+	default 0x30000000 if SICR_SPI_LSRCID
+
+config SICRL_UART
+	hex
+	default 0x0 if SICR_UART_SPI
+	default 0x4000000 if SICR_UART_MSRCID
+	default 0xc000000 if SICR_UART_LSRCID
+
+config SICRL_IRQ
+	hex
+	default 0x0 if SICR_IRQ_SPI
+	default 0x1000000 if SICR_IRQ_MCP_CKSTOP
+	default 0x3000000 if SICR_IRQ_INTA
+
+config SICRL_I2C2
+	hex
+	default 0x0 if SICR_I2C2_I2C
+	default 0x100000 if SICR_I2C2_CKSTOP
+
+config SICRL_ETSEC1_A
+	hex
+	default 0x0 if SICR_ETSEC1_A_TSEC2
+	default 0x40 if SICR_ETSEC1_A_TSEC_GTX_CLK125
+
+config SICRH_ESDHC_A
+	hex
+	default 0x0 if SICR_ESDHC_A_SD
+	default 0x40000000 if SICR_ESDHC_A_GTM
+	default 0xc0000000 if SICR_ESDHC_A_GPIO
+
+config SICRH_ESDHC_B
+	hex
+	default 0x0 if SICR_ESDHC_B_SD
+	default 0x10000000 if SICR_ESDHC_B_GTM
+	default 0x30000000 if SICR_ESDHC_B_GPIO
+
+config SICRH_ESDHC_C
+	hex
+	default 0x0 if SICR_ESDHC_C_SD
+	default 0x4000000 if SICR_ESDHC_C_GTM
+	default 0xc000000 if SICR_ESDHC_C_GPIO
+
+config SICRH_GPIO_A
+	hex
+	default 0x0 if SICR_GPIO_A_GPIO
+	default 0x1000000 if SICR_GPIO_A_TSEC2
+
+config SICRH_GPIO_B
+	hex
+	default 0x0 if SICR_GPIO_B_GPIO
+	default 0x400000 if SICR_GPIO_B_TSEC2
+	default 0x800000 if SICR_GPIO_B_TSEC_GTX_CLK125
+
+config SICRH_IEEE1588_A
+	hex
+	default 0x100000 if SICR_IEEE1588_A_TSEC
+	default 0x300000 if SICR_IEEE1588_A_GPIO
+
+config SICRH_USB
+	hex
+	default 0x40000 if SICR_USB_TSEC
+
+config SICRH_GTM
+	hex
+	default 0x10000 if SICR_GTM_TSEC
+	default 0x30000 if SICR_GTM_GPIO
+
+config SICRH_IEEE1588_B
+	hex
+	default 0xc000 if SICR_IEEE1588_B_GPIO
+
+config SICRH_ETSEC2
+	hex
+	default 0x1000 if SICR_ETSEC2_TSEC2
+	default 0x3000 if SICR_ETSEC2_GPIO
+
+config SICRH_GPIOSEL
+	hex
+	default 0x0 if SICR_GPIOSEL_GPIO
+	default 0x100 if SICR_GPIOSEL_IEEE1588
+
+config SICRH_TMROBI
+	hex
+	default 0x0 if SICR_TMROBI_3_3_V
+	default 0x10 if SICR_TMROBI_2_5_V
+
+config SICRH_TMSOBI1
+	hex
+	default 0x0 if SICR_TMSOBI1_3_3_V
+	default 0x2 if SICR_TMSOBI1_2_5_V
+
+config SICRH_TMSOBI2
+	hex
+	default 0x0 if SICR_TMSOBI2_3_3_V
+	default 0x1 if SICR_TMSOBI2_2_5_V
diff --git a/arch/powerpc/cpu/mpc83xx/sysio/sysio.h b/arch/powerpc/cpu/mpc83xx/sysio/sysio.h
new file mode 100644
index 0000000..f8c2f10
--- /dev/null
+++ b/arch/powerpc/cpu/mpc83xx/sysio/sysio.h
@@ -0,0 +1,32 @@
+#ifdef CONFIG_ARCH_MPC8308
+
+#ifndef CONFIG_SYS_SICRL
+#define CONFIG_SYS_SICRL (\
+	CONFIG_SICRL_SPI |\
+	CONFIG_SICRL_UART |\
+	CONFIG_SICRL_IRQ |\
+	CONFIG_SICRL_I2C2 |\
+	CONFIG_SICRL_ETSEC1_A \
+)
+#endif
+
+#ifndef CONFIG_SYS_SICRH
+#define CONFIG_SYS_SICRH (\
+	CONFIG_SICRH_ESDHC_A |\
+	CONFIG_SICRH_ESDHC_B |\
+	CONFIG_SICRH_ESDHC_C |\
+	CONFIG_SICRH_GPIO_A |\
+	CONFIG_SICRH_GPIO_B |\
+	CONFIG_SICRH_IEEE1588_A |\
+	CONFIG_SICRH_USB |\
+	CONFIG_SICRH_GTM |\
+	CONFIG_SICRH_IEEE1588_B |\
+	CONFIG_SICRH_ETSEC2 |\
+	CONFIG_SICRH_GPIOSEL |\
+	CONFIG_SICRH_TMROBI |\
+	CONFIG_SICRH_TMSOBI1 |\
+	CONFIG_SICRH_TMSOBI2 \
+)
+#endif
+
+#endif