diff --git a/configs/chromebook_samus_defconfig b/configs/chromebook_samus_defconfig
index 8ee114d..56a0d6c 100644
--- a/configs/chromebook_samus_defconfig
+++ b/configs/chromebook_samus_defconfig
@@ -62,6 +62,8 @@
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
 # CONFIG_ACPIGEN is not set
+CONFIG_LBA48=y
+CONFIG_SYS_64BIT_LBA=y
 CONFIG_CPU=y
 CONFIG_DM_I2C=y
 CONFIG_SYS_I2C_DW=y