diff --git a/configs/orangepi_pc2_defconfig b/configs/orangepi_pc2_defconfig
index 7b12bf0..d0cad2a 100644
--- a/configs/orangepi_pc2_defconfig
+++ b/configs/orangepi_pc2_defconfig
@@ -11,6 +11,7 @@
 CONFIG_SPL_STACK=0x54000
 CONFIG_SPL_I2C=y
 CONFIG_SYS_PBSIZE=1024
+CONFIG_SYS_BOOTM_LEN=0x2000000
 CONFIG_SPL_SYS_I2C_LEGACY=y
 CONFIG_SYS_I2C_MVTWSI=y
 CONFIG_SPI_FLASH_MACRONIX=y