MIPS: Lemote 2F: Add NAS support

Kernel support for this machine is almost the same as Fuloong 2F; the only
difference is that it uses the serial port provided by Loongson 2F processor
as Yeeloong 2F does.

Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/656/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/loongson/common/machtype.c

@@ -25,6 +25,7 @@ static const char *system_types[] = {
 	[MACH_LEMOTE_ML2F7]             "lemote-mengloong-2f-7inches",
 	[MACH_LEMOTE_YL2F89]            "lemote-yeeloong-2f-8.9inches",
 	[MACH_DEXXON_GDIUM2F10]         "dexxon-gidum-2f-10inches",
+	[MACH_LEMOTE_NAS]		"lemote-nas-2f",
 	[MACH_LOONGSON_END]             NULL,
 };
 

arch/mips/loongson/common/serial.c

@@ -45,6 +45,7 @@ static struct plat_serial8250_port uart8250_data[][2] = {
 	[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_LOONGSON_END]             {},
 };
 

arch/mips/loongson/common/uart_base.c

@@ -23,6 +23,7 @@ unsigned long __maybe_unused uart8250_base[] = {
 	[MACH_LEMOTE_ML2F7]	(LOONGSON_LIO1_BASE + 0x3f8),
 	[MACH_LEMOTE_YL2F89]	(LOONGSON_LIO1_BASE + 0x3f8),
 	[MACH_DEXXON_GDIUM2F10]	(LOONGSON_LIO1_BASE + 0x3f8),
+	[MACH_LEMOTE_NAS]	(LOONGSON_LIO1_BASE + 0x3f8),
 	[MACH_LOONGSON_END]	0,
 };
 EXPORT_SYMBOL(uart8250_base);