diff --git a/arch/mips/configs/bigsur_defconfig b/arch/mips/configs/bigsur_defconfig
index 80b0c99c2cfb9af113a3e79518a33825a6e249d2..3c70c9d16d01a6bd10918ad09a025f767e734550 100644
--- a/arch/mips/configs/bigsur_defconfig
+++ b/arch/mips/configs/bigsur_defconfig
@@ -76,9 +76,13 @@ CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CMOS_UPDATE=y
 CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
 # CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ is not set
+CONFIG_CEVT_BCM1480=y
+CONFIG_CSRC_BCM1480=y
 CONFIG_DMA_COHERENT=y
 CONFIG_CPU_BIG_ENDIAN=y
 # CONFIG_CPU_LITTLE_ENDIAN is not set
@@ -91,6 +95,11 @@ CONFIG_MIPS_L1_CACHE_SHIFT=5
 #
 # CPU selection
 #
+CONFIG_TICK_ONESHOT=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+# CONFIG_CPU_LOONGSON2 is not set
 # CONFIG_CPU_MIPS32_R1 is not set
 # CONFIG_CPU_MIPS32_R2 is not set
 # CONFIG_CPU_MIPS64_R1 is not set