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>

Author: lzufalcon

arch/mips/include/asm/bootinfo.h

@@ -67,7 +67,8 @@
 #define MACH_LEMOTE_ML2F7      3
 #define MACH_LEMOTE_YL2F89     4
 #define MACH_DEXXON_GDIUM2F10  5
-#define MACH_LOONGSON_END      6
+#define MACH_LEMOTE_NAS        6
+#define MACH_LOONGSON_END      7
 
 extern char *system_type;
 const char *get_system_type(void);

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);

arch/mips/loongson/lemote-2f/reset.c

@@ -141,6 +141,7 @@ void mach_prepare_reboot(void)
 {
 	switch (mips_machtype) {
 	case MACH_LEMOTE_FL2F:
+	case MACH_LEMOTE_NAS:
 		fl2f_reboot();
 		break;
 	case MACH_LEMOTE_ML2F7:
@@ -158,6 +159,7 @@ void mach_prepare_shutdown(void)
 {
 	switch (mips_machtype) {
 	case MACH_LEMOTE_FL2F:
+	case MACH_LEMOTE_NAS:
 		fl2f_shutdown();
 		break;
 	case MACH_LEMOTE_ML2F7: