diff --git a/configs/hrcon_defconfig b/configs/hrcon_defconfig
index 2a7b932..97fe0e0 100644
--- a/configs/hrcon_defconfig
+++ b/configs/hrcon_defconfig
@@ -4,6 +4,12 @@
 CONFIG_SYS_CLK_FREQ=33333333
 CONFIG_MPC83xx=y
 CONFIG_TARGET_HRCON=y
+CONFIG_SYSTEM_PLL_VCO_DIV_2=y
+CONFIG_SYSTEM_PLL_FACTOR_4_1=y
+CONFIG_CORE_PLL_RATIO_3_1=y
+CONFIG_BOOT_ROM_INTERFACE_GPCM_16BIT=y
+CONFIG_TSEC1_MODE_RGMII=y
+CONFIG_TSEC2_MODE_RGMII=y
 CONFIG_CMD_IOLOOP=y
 CONFIG_FIT=y
 CONFIG_FIT_VERBOSE=y