ARM: mvebu: Add Plat'home's Kirkwood Openblocks A6 board support

This commit adds a new Marvell Kirkwood-based board, by following the currently
supported boards.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

7 files changed, 53 insertions, 0 deletions

diff --git a/arch/arm/boards/Makefile b/arch/arm/boards/Makefile
index c60da81261..122f5cde5e 100644
--- a/arch/arm/boards/Makefile
+++ b/arch/arm/boards/Makefile
@@ -79,6 +79,7 @@ obj-$(CONFIG_MACH_PCM049)			+= phytec-phycore-omap4460/
 obj-$(CONFIG_MACH_PCM051)			+= phytec-phycore-am335x/
 obj-$(CONFIG_MACH_PHYTEC_PFLA02)		+= phytec-phyflex-imx6/
 obj-$(CONFIG_MACH_PLATHOME_OPENBLOCKS_AX3)	+= plathome-openblocks-ax3/
+obj-$(CONFIG_MACH_PLATHOME_OPENBLOCKS_A6)	+= plathome-openblocks-a6/
 obj-$(CONFIG_MACH_PM9261)			+= pm9261/
 obj-$(CONFIG_MACH_PM9263)			+= pm9263/
 obj-$(CONFIG_MACH_PM9G45)			+= pm9g45/
diff --git a/arch/arm/boards/plathome-openblocks-a6/Makefile b/arch/arm/boards/plathome-openblocks-a6/Makefile
new file mode 100644
index 0000000000..01c7a259e9
--- /dev/null
+++ b/arch/arm/boards/plathome-openblocks-a6/Makefile
@@ -0,0 +1,2 @@
+obj-y += board.o
+lwl-y += lowlevel.o
diff --git a/arch/arm/boards/plathome-openblocks-a6/board.c b/arch/arm/boards/plathome-openblocks-a6/board.c
new file mode 100644
index 0000000000..40a8c178f1
--- /dev/null
+++ b/arch/arm/boards/plathome-openblocks-a6/board.c
@@ -0,0 +1 @@
+/* empty */
diff --git a/arch/arm/boards/plathome-openblocks-a6/lowlevel.c b/arch/arm/boards/plathome-openblocks-a6/lowlevel.c
new file mode 100644
index 0000000000..b37a3d6002
--- /dev/null
+++ b/arch/arm/boards/plathome-openblocks-a6/lowlevel.c
@@ -0,0 +1,32 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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 <common.h>
+#include <sizes.h>
+#include <asm/barebox-arm.h>
+#include <asm/barebox-arm-head.h>
+#include <mach/lowlevel.h>
+
+extern char __dtb_kirkwood_openblocks_a6_bb_start[];
+
+ENTRY_FUNCTION(start_plathome_openblocks_a6, r0, r1, r2)
+{
+	void *fdt;
+
+	arm_cpu_lowlevel_init();
+
+	fdt = __dtb_kirkwood_openblocks_a6_bb_start -
+		get_runtime_offset();
+
+	mvebu_barebox_entry(fdt);
+}
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index fac2b273cb..dcf014db97 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -27,6 +27,7 @@ pbl-dtb-$(CONFIG_MACH_PCM038) += imx27-phytec-phycore-rdk.dtb.o
 pbl-dtb-$(CONFIG_MACH_PCM051) += am335x-phytec-phycore.dtb.o
 pbl-dtb-$(CONFIG_MACH_PHYTEC_PFLA02) += imx6s-phytec-pbab01.dtb.o imx6dl-phytec-pbab01.dtb.o imx6q-phytec-pbab01.dtb.o
 pbl-dtb-$(CONFIG_MACH_PLATHOME_OPENBLOCKS_AX3) += armada-xp-openblocks-ax3-4-bb.dtb.o
+pbl-dtb-$(CONFIG_MACH_PLATHOME_OPENBLOCKS_A6) += kirkwood-openblocks_a6-bb.dtb.o
 pbl-dtb-$(CONFIG_MACH_RADXA_ROCK) += rk3188-radxarock.dtb.o
 pbl-dtb-$(CONFIG_MACH_REALQ7) += imx6q-dmo-edmqmx6.dtb.o
 pbl-dtb-$(CONFIG_MACH_SABRELITE) += imx6q-sabrelite.dtb.o imx6dl-sabrelite.dtb.o
diff --git a/arch/arm/dts/kirkwood-openblocks_a6-bb.dts b/arch/arm/dts/kirkwood-openblocks_a6-bb.dts
new file mode 100644
index 0000000000..42bfb07c94
--- /dev/null
+++ b/arch/arm/dts/kirkwood-openblocks_a6-bb.dts
@@ -0,0 +1,13 @@
+/*
+ * Barebox specific DT overlay for OpenBlocks A6 board
+ */
+
+#include "arm/kirkwood-openblocks_a6.dts"
+
+/ {
+	gpio-leds {
+		led-green {
+			barebox,default-trigger = "heartbeat";
+		};
+	};
+};
diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig
index 131f3a67ea..3270f9265b 100644
--- a/arch/arm/mach-mvebu/Kconfig
+++ b/arch/arm/mach-mvebu/Kconfig
@@ -81,6 +81,9 @@ if ARCH_KIRKWOOD
 config MACH_GLOBALSCALE_GURUPLUG
 	bool "Guruplug"
 
+config MACH_PLATHOME_OPENBLOCKS_A6
+	bool "PlatHome OpenBlocks A6"
+
 config MACH_USI_TOPKICK
 	bool "Topkick"