diff --git a/include/configs/uniphier.h b/include/configs/uniphier.h
index 55fa85ed62..2e1204fc86 100644
--- a/include/configs/uniphier.h
+++ b/include/configs/uniphier.h
@@ -53,7 +53,7 @@
 
 #define CONFIG_SYS_MAX_FLASH_SECT	256
 #define CONFIG_SYS_MONITOR_BASE		0
-#define CONFIG_SYS_MONITOR_LEN		0x000d0000	/* 832KB */
+#define CONFIG_SYS_MONITOR_LEN		0x00200000	/* 2MB */
 #define CONFIG_SYS_FLASH_BASE		0
 
 /*
@@ -221,7 +221,7 @@
 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_TEXT_BASE)
 
 /* only for SPL */
-#define CONFIG_SPL_STACK		(0x00200000)
+#define CONFIG_SPL_STACK		(0x00100000)
 
 #define CONFIG_SYS_NAND_U_BOOT_OFFS		0x20000