diff --git a/Ubiquitous/XiZi_AIoT/hardkernel/uart/riscv/rv64gc/uart_io_for_jh7110/include/ns16550.h b/Ubiquitous/XiZi_AIoT/hardkernel/uart/riscv/rv64gc/uart_io_for_jh7110/include/ns16550.h
index 39788ceb6..f5a1639fe 100644
--- a/Ubiquitous/XiZi_AIoT/hardkernel/uart/riscv/rv64gc/uart_io_for_jh7110/include/ns16550.h
+++ b/Ubiquitous/XiZi_AIoT/hardkernel/uart/riscv/rv64gc/uart_io_for_jh7110/include/ns16550.h
@@ -214,6 +214,6 @@ void _debug_uart_init(void);
 void _debug_uart_putc(int ch);
 int _debug_uart_getc(void);
 void _debug_uart_printascii(const char *str);
-void _debug_uart_phymem_init(void);
+void _debug_uart_init_early(void);
 
 #endif /* __ns16550_h */
diff --git a/Ubiquitous/XiZi_AIoT/hardkernel/uart/riscv/rv64gc/uart_io_for_jh7110/ns16550.c b/Ubiquitous/XiZi_AIoT/hardkernel/uart/riscv/rv64gc/uart_io_for_jh7110/ns16550.c
index 9fa44ee17..27f6592d0 100644
--- a/Ubiquitous/XiZi_AIoT/hardkernel/uart/riscv/rv64gc/uart_io_for_jh7110/ns16550.c
+++ b/Ubiquitous/XiZi_AIoT/hardkernel/uart/riscv/rv64gc/uart_io_for_jh7110/ns16550.c
@@ -4,7 +4,7 @@
  * modified to use CONFIG_SYS_ISA_MEM and new defines
  */
 
-#include <ns16550.h>
+#include "ns16550.h"
 #include "mmio_access.h"
 
 struct ns16550 g_ns16550_com_port = {0};
@@ -14,7 +14,8 @@ unsigned long g_ns16550_uart_base = {0};
 #define CONFIG_SYS_NS16550_UART_BASE	0x10000000
 #define CONFIG_BAUDRATE					115200
 #define CONFIG_SYS_NS16550_CLK			24000000
-#define CONFIG_SYS_NS16550_UART_BASE_MAP	 MMIO_P2V_WO(CONFIG_SYS_NS16550_UART_BASE)
+#define CONFIG_SYS_NS16550_UART_BASE_VIRT	 MMIO_P2V_WO(CONFIG_SYS_NS16550_UART_BASE)
+
 
 #define UART_LCRVAL UART_LCR_8N1		/* 8 data, 1 stop, no parity */
 #define UART_MCRVAL (UART_MCR_DTR | \
@@ -172,20 +173,20 @@ void _debug_uart_init(void)
 {
 	int baudrate = CONFIG_BAUDRATE;
 
-	g_ns16550_uart_base = CONFIG_SYS_NS16550_UART_BASE_MAP;
+	g_ns16550_uart_base = CONFIG_SYS_NS16550_UART_BASE_VIRT;
 	ns16550_serial_init();
 	ns16550_serial_setbrg(baudrate);
 	_debug_uart_printascii("_debug_uart_init success.\n");
 }
 
-void _debug_uart_phymem_init(void)
+void _debug_uart_init_early(void)
 {
 	int baudrate = CONFIG_BAUDRATE;
 
 	g_ns16550_uart_base = CONFIG_SYS_NS16550_UART_BASE;
 	ns16550_serial_init();
 	ns16550_serial_setbrg(baudrate);
-	_debug_uart_printascii("_debug_uart_phymem_init success.\n");
+	_debug_uart_printascii("_debug_uart_init_early success.\n");
 }
 
 void _debug_uart_putc(int ch)