diff -uNra 2.6.37.orig/arch/mips/loongson/common/serial.c linux-loongson-community/arch/mips/loongson/common//serial.c
--- 2.6.37.orig/arch/mips/loongson/common/serial.c	2011-01-11 04:38:08.000000000 +0800
+++ linux-loongson-community/arch/mips/loongson/common/serial.c	2011-01-20 02:59:33.273574599 +0800
@@ -19,58 +19,40 @@
 #include <loongson.h>
 #include <machine.h>
 
-#define PORT(int)			\
+#define PORT(int, base_baud, io_type,port)			\
 {								\
 	.irq		= int,					\
-	.uartclk	= 1843200,				\
-	.iotype		= UPIO_PORT,				\
+	.uartclk	= base_baud,				\
+	.iotype		= io_type,				\
 	.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,	\
 	.regshift	= 0,					\
+	.iobase	= port,						\
 }
 
-#define PORT_M(int)				\
-{								\
-	.irq		= MIPS_CPU_IRQ_BASE + (int),		\
-	.uartclk	= 3686400,				\
-	.iotype		= UPIO_MEM,				\
-	.membase	= (void __iomem *)NULL,			\
-	.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,	\
-	.regshift	= 0,					\
-}
-
-static struct plat_serial8250_port uart8250_data[][2] = {
-	[MACH_LOONGSON_UNKNOWN]         {},
-	[MACH_LEMOTE_FL2E]              {PORT(4), {} },
-	[MACH_LEMOTE_FL2F]              {PORT(3), {} },
-	[MACH_LEMOTE_ML2F7]             {PORT_M(3), {} },
-	[MACH_LEMOTE_YL2F89]            {PORT_M(3), {} },
-	[MACH_DEXXON_GDIUM2F10]         {PORT_M(3), {} },
-	[MACH_LEMOTE_NAS]               {PORT_M(3), {} },
-	[MACH_LEMOTE_LL2F]              {PORT(3), {} },
-	[MACH_LOONGSON_END]             {},
+static struct plat_serial8250_port uart8250_data[] = {
+	PORT((MIPS_CPU_IRQ_BASE + 3), 3686400, UPIO_MEM,0x3f8), /* ttyS0: cpu_uart0 yeeloong, gdim,unas,...  */ 
+	PORT(4, 1843200, UPIO_PORT,0x3f8), /* ttyS1: sb_uart1 2E */ 
+	PORT(3, 1843200, UPIO_PORT,0x2f8), /* ttyS2: sb_uart2 fuloong2f */
+	{},
 };
 
 static struct platform_device uart8250_device = {
 	.name = "serial8250",
 	.id = PLAT8250_DEV_PLATFORM,
+	.dev = {
+		.platform_data = uart8250_data,
+		},
 };
 
 static int __init serial_init(void)
 {
-	unsigned char iotype;
-
-	iotype = uart8250_data[mips_machtype][0].iotype;
-
-	if (UPIO_MEM == iotype)
-		uart8250_data[mips_machtype][0].membase =
-			(void __iomem *)_loongson_uart_base;
-	else if (UPIO_PORT == iotype)
-		uart8250_data[mips_machtype][0].iobase =
-		    loongson_uart_base - LOONGSON_PCIIO_BASE;
-
-	uart8250_device.dev.platform_data = uart8250_data[mips_machtype];
+        uart8250_data[0].membase = (void __iomem *)ioremap_nocache( LOONGSON_LIO1_BASE + uart8250_data[0].iobase, 8);
 
-	return platform_device_register(&uart8250_device);
+	platform_device_register(&uart8250_device);
+	return 0;
 }
 
 device_initcall(serial_init);
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("liu shiwei <liushiwei@anheng.com.cn>");
+MODULE_DESCRIPTION("loongson serial");
diff -uNra 2.6.37.orig/arch/mips/loongson/common/uart_base.c linux-loongson-community/arch/mips/loongson/common/uart_base.c
--- 2.6.37.orig/arch/mips/loongson/common/uart_base.c	2011-01-11 04:38:08.000000000 +0800
+++ linux-loongson-community/arch/mips/loongson/common/uart_base.c	2011-01-20 00:08:05.061572355 +0800
@@ -14,8 +14,6 @@
 #include <loongson.h>
 
 /* ioremapped */
-unsigned long _loongson_uart_base;
-EXPORT_SYMBOL(_loongson_uart_base);
 /* raw */
 unsigned long loongson_uart_base;
 EXPORT_SYMBOL(loongson_uart_base);
@@ -40,6 +38,4 @@
 		break;
 	}
 
-	_loongson_uart_base =
-		(unsigned long)ioremap_nocache(loongson_uart_base, 8);
 }
diff -uNra 2.6.37.orig/arch/mips/loongson/common//uart_base.o linux-loongson-community/arch/mips/loongson/common//uart_base.o
\ 文件尾没有 newline 字符
diff -uNra 2.6.37.orig/arch/mips/loongson/common//.uart_base.o.cmd linux-loongson-community/arch/mips/loongson/common//.uart_base.o.cmd
--- 2.6.37.orig/arch/mips/configs/lemote2f_defconfig	2011-01-11 04:38:08.000000000 +0800
+++ linux-loongson-community/arch/mips/configs/lemote2f_defconfig	2011-01-20 17:40:24.744429001 +0800
@@ -426,7 +426,7 @@
 CONFIG_SATA_MV=m
 CONFIG_SATA_NV=m
 CONFIG_SATA_PROMISE=m
-CONFIG_SATA_SIL=m
+CONFIG_SATA_SIL=y
 CONFIG_SATA_SIS=m
 CONFIG_SATA_SVW=m
 CONFIG_SATA_ULI=m