ARM: mvebu: Add initial support for Turris Omnia

Up to now only 2nd stage booting is tested and boots up to a prompt.
i2c and spi are working, ethernet, usb and sata don't.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

4 files changed, 43 insertions, 0 deletions

diff --git a/arch/arm/boards/turris-omnia/Makefile b/arch/arm/boards/turris-omnia/Makefile
new file mode 100644
index 0000000000..01c7a259e9
--- /dev/null
+++ b/arch/arm/boards/turris-omnia/Makefile
@@ -0,0 +1,2 @@
+obj-y += board.o
+lwl-y += lowlevel.o
diff --git a/arch/arm/boards/turris-omnia/board.c b/arch/arm/boards/turris-omnia/board.c
new file mode 100644
index 0000000000..40a8c178f1
--- /dev/null
+++ b/arch/arm/boards/turris-omnia/board.c
@@ -0,0 +1 @@
+/* empty */
diff --git a/arch/arm/boards/turris-omnia/kwbimage.cfg b/arch/arm/boards/turris-omnia/kwbimage.cfg
new file mode 100644
index 0000000000..789ee5df17
--- /dev/null
+++ b/arch/arm/boards/turris-omnia/kwbimage.cfg
@@ -0,0 +1,7 @@
+VERSION 1
+BOOT_FROM spi
+DESTADDR 00800000
+EXECADDR 00800000
+NAND_BLKSZ 00000000
+NAND_BADBLK_LOCATION 00
+BINARY binary.0 0000005b 00000068
diff --git a/arch/arm/boards/turris-omnia/lowlevel.c b/arch/arm/boards/turris-omnia/lowlevel.c
new file mode 100644
index 0000000000..3f20908ff7
--- /dev/null
+++ b/arch/arm/boards/turris-omnia/lowlevel.c
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2017 Pengutronix, Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
+ *
+ * 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 <common.h>
+#include <asm/barebox-arm.h>
+#include <asm/barebox-arm-head.h>
+#include <mach/lowlevel.h>
+
+#include <asm/io.h>
+
+extern char __dtb_armada_385_turris_omnia_bb_start[];
+
+ENTRY_FUNCTION(start_turris_omnia, r0, r1, r2)
+{
+	void *fdt;
+
+	arm_cpu_lowlevel_init();
+
+	fdt = __dtb_armada_385_turris_omnia_bb_start -
+		get_runtime_offset();
+
+	armada_370_xp_barebox_entry(fdt);
+}