MIPS: loongson-ls1b: add PBL support

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

arch/mips/boards/loongson-ls1b/include/board/board_pbl_start.h

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2014 Antony Pavlov <antonynpavlov@gmail.com>
+ *
+ * This file is part of barebox.
+ * See file CREDITS for list of people who contributed to this project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <asm/pbl_macros.h>
+#include <mach/loongson1.h>
+#include <mach/debug_ll.h>
+
+	.macro	board_pbl_start
+	.set	push
+	.set	noreorder
+
+	mips_barebox_10h
+
+	mips_disable_interrupts
+
+	debug_ll_ns16550_init
+
+	debug_ll_ns16550_outc '.'
+	debug_ll_ns16550_outnl
+
+	copy_to_link_location	pbl_start
+
+	.set	pop
+	.endm

arch/mips/mach-loongson/Kconfig

@@ -15,6 +15,8 @@ config BOARD_LOONGSON_TECH_LS1B
 	select CSRC_R4K_LIB
 	select HAS_DEBUG_LL
 	select DRIVER_SERIAL_NS16550
+	select HAVE_PBL_IMAGE
+	select HAVE_IMAGE_COMPRESSION
 
 endchoice