MIPS: netgear-wg102: add pbl support

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

arch/mips/boards/netgear-wg102/include/board/board_pbl_start.h

@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2013 Antony Pavlov <antonynpavlov@gmail.com>
+ * Copyright (C) 2013 Oleksij Rempel <linux@rempel-privat.de>
+ *
+ * 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/pbl_macros.h>
+
+#include <mach/debug_ll.h>
+
+	.macro	board_pbl_start
+	.set	push
+	.set	noreorder
+
+	mips_barebox_10h
+
+	mips_disable_interrupts
+
+	pbl_ar2312_pll
+
+	pbl_ar2312_rst_uart0
+	debug_ll_ns16550_init
+
+	debug_ll_ns16550_outc 'a'
+	debug_ll_ns16550_outnl
+
+	/* check if SDRAM is already configured,
+	 * if yes, we are probably starting
+	 * as second stage loader and can skip configuration */
+	pbl_probe_mem t0, t1, KSEG1
+	beq t0, t1, sdram_configured
+	 nop
+
+	/* start SDRAM configuration */
+	pbl_ar2312_x16_sdram
+
+	/* check one more time. if some thing wrong,
+	 * we don't need to continue */
+	pbl_probe_mem t0, t1, KSEG1
+	beq t0, t1, sdram_configured
+	 nop
+	debug_ll_ns16550_outc '#'
+	debug_ll_ns16550_outnl
+
+1:
+	b	1b /* dead end */
+	 nop
+
+sdram_configured:
+	debug_ll_ns16550_outc 'b'
+	debug_ll_ns16550_outnl
+
+	copy_to_link_location	pbl_start
+
+	.set	pop
+	.endm

arch/mips/mach-ar231x/Kconfig

@@ -9,6 +9,8 @@ choice
 
 config BOARD_NETGEAR_WG102
 	bool "Netgear WG102"
+	select HAVE_PBL_IMAGE
+	select HAVE_IMAGE_COMPRESSION
 
 endchoice