ARM: i.MX6Q: Add support for Embedsky E9 board.

This will add support for Embedsky E9 board.
It is a small board based on i.MX6 Quad with 2G of RAM.

http://en.embedsky.com/product_info.php?cateid=169&id=169

Signed-off-by: Andrey Panov <rockford@yandex.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

12 files changed, 268 insertions, 1 deletions

diff --git a/arch/arm/boards/Makefile b/arch/arm/boards/Makefile
index d200512758..2ed3730505 100644
--- a/arch/arm/boards/Makefile
+++ b/arch/arm/boards/Makefile
@@ -28,6 +28,7 @@ obj-$(CONFIG_MACH_EDB9307)			+= edb93xx/
 obj-$(CONFIG_MACH_EDB9315A)			+= edb93xx/
 obj-$(CONFIG_MACH_EDB9315)			+= edb93xx/
 obj-$(CONFIG_MACH_EFIKA_MX_SMARTBOOK)		+= efika-mx-smartbook/
+obj-$(CONFIG_MACH_EMBEDSKY_E9)			+= embedsky-e9/
 obj-$(CONFIG_MACH_EMBEST_RIOTBOARD)		+= embest-riotboard/
 obj-$(CONFIG_MACH_EUKREA_CPUIMX25)		+= eukrea_cpuimx25/
 obj-$(CONFIG_MACH_EUKREA_CPUIMX27)		+= eukrea_cpuimx27/
diff --git a/arch/arm/boards/embedsky-e9/Makefile b/arch/arm/boards/embedsky-e9/Makefile
new file mode 100644
index 0000000000..db2dba7769
--- /dev/null
+++ b/arch/arm/boards/embedsky-e9/Makefile
@@ -0,0 +1,4 @@
+obj-y += board.o flash-header-e9.dcd.o
+extra-y += flash-header-e9.dcd.S flash-header-e9.dcd
+lwl-y += lowlevel.o
+bbenv-y += defaultenv-e9
diff --git a/arch/arm/boards/embedsky-e9/board.c b/arch/arm/boards/embedsky-e9/board.c
new file mode 100644
index 0000000000..55b4320219
--- /dev/null
+++ b/arch/arm/boards/embedsky-e9/board.c
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2014 Andrey Panov <rockford@yandex.ru>
+ *
+ * based on arch/arm/boards/freescale-mx6-sabresd/board.c
+ * Copyright (C) 2013 Hubert Feurstein <h.feurstein@gmail.com>
+ *
+ * based on arch/arm/boards/freescale-mx6-sabrelite/board.c
+ * Copyright (C) 2012 Steffen Trumtrar, Pengutronix
+ *
+ * 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 <init.h>
+#include <environment.h>
+#include <mach/imx6-regs.h>
+#include <fec.h>
+#include <gpio.h>
+#include <asm/armlinux.h>
+#include <generated/mach-types.h>
+#include <partition.h>
+#include <linux/phy.h>
+#include <asm/io.h>
+#include <asm/mmu.h>
+#include <mach/generic.h>
+#include <sizes.h>
+#include <net.h>
+#include <mach/imx6.h>
+#include <mach/devices-imx6.h>
+#include <mach/iomux-mx6.h>
+#include <spi/spi.h>
+#include <mach/spi.h>
+#include <mach/usb.h>
+#include <envfs.h>
+
+#define PHY_ID_RTL8211E	0x001cc915
+#define PHY_ID_MASK	0xffffffff
+
+/*
+ * This should reset a PHY. Taken from E9 U-Boot/Linux source.
+ */
+static int rtl8211e_phy_fixup(struct phy_device *dev)
+{
+	phy_write(dev, 0x00, 0x3140);
+	mdelay(10);
+	phy_write(dev, 0x00, 0x3340);
+	mdelay(10);
+
+	return 0;
+}
+
+static int e9_devices_init(void)
+{
+	if (!of_machine_is_compatible("embedsky,e9"))
+		return 0;
+
+	armlinux_set_architecture(3980);
+	barebox_set_hostname("e9");
+	defaultenv_append_directory(defaultenv_e9);
+
+	return 0;
+}
+device_initcall(e9_devices_init);
+
+static int e9_coredevices_init(void)
+{
+	if (!of_machine_is_compatible("embedsky,e9"))
+		return 0;
+
+	phy_register_fixup_for_uid(PHY_ID_RTL8211E, PHY_ID_MASK,
+			rtl8211e_phy_fixup);
+
+	return 0;
+}
+/*
+ * Do this before the fec initializes but after our
+ * gpios are available.
+ */
+coredevice_initcall(e9_coredevices_init);
diff --git a/arch/arm/boards/embedsky-e9/defaultenv-e9/boot/mmc1 b/arch/arm/boards/embedsky-e9/defaultenv-e9/boot/mmc1
new file mode 100644
index 0000000000..0177e6c6b8
--- /dev/null
+++ b/arch/arm/boards/embedsky-e9/defaultenv-e9/boot/mmc1
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+mount /dev/mmc1.0
+
+global.bootm.image=/mnt/mmc1.0/zImage
+global.linux.bootargs.dyn.root="root=/dev/mmcblk0p2 rootwait"
diff --git a/arch/arm/boards/embedsky-e9/defaultenv-e9/boot/mmc3 b/arch/arm/boards/embedsky-e9/defaultenv-e9/boot/mmc3
new file mode 100644
index 0000000000..374eb1cfe6
--- /dev/null
+++ b/arch/arm/boards/embedsky-e9/defaultenv-e9/boot/mmc3
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+mount /dev/mmc3.0
+
+global.bootm.image=/mnt/mmc3.0/boot/zImage
+global.linux.bootargs.dyn.root="root=/dev/mmcblk1p1 rootwait"
diff --git a/arch/arm/boards/embedsky-e9/defaultenv-e9/config-board b/arch/arm/boards/embedsky-e9/defaultenv-e9/config-board
new file mode 100644
index 0000000000..6cba769921
--- /dev/null
+++ b/arch/arm/boards/embedsky-e9/defaultenv-e9/config-board
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+# board defaults, do not change in running system. Change /env/config
+# instead
+
+global.hostname=e9
+global.boot.default=$bootsource$bootsource_instance
diff --git a/arch/arm/boards/embedsky-e9/flash-header-e9.imxcfg b/arch/arm/boards/embedsky-e9/flash-header-e9.imxcfg
new file mode 100644
index 0000000000..52edefd77a
--- /dev/null
+++ b/arch/arm/boards/embedsky-e9/flash-header-e9.imxcfg
@@ -0,0 +1,87 @@
+loadaddr 0x27800000
+soc imx6
+dcdofs 0x400
+
+wm 32 0x020e0798 0x000c0000
+wm 32 0x020e0758 0x00000000
+wm 32 0x020e0588 0x00000030
+wm 32 0x020e0594 0x00000030
+wm 32 0x020e056c 0x00000030
+wm 32 0x020e0578 0x00000030
+wm 32 0x020e074c 0x00000030
+wm 32 0x020e057c 0x00000030
+wm 32 0x020e058c 0x00000000
+wm 32 0x020e059c 0x00000030
+wm 32 0x020e05a0 0x00000030
+wm 32 0x020e078c 0x00000030
+wm 32 0x020e0750 0x00020000
+wm 32 0x020e05a8 0x00000018
+wm 32 0x020e05b0 0x00000018
+wm 32 0x020e0524 0x00000018
+wm 32 0x020e051c 0x00000018
+wm 32 0x020e0518 0x00000018
+wm 32 0x020e050c 0x00000018
+wm 32 0x020e05b8 0x00000018
+wm 32 0x020e05c0 0x00000018
+wm 32 0x020e0774 0x00020000
+wm 32 0x020e0784 0x00000018
+wm 32 0x020e0788 0x00000018
+wm 32 0x020e0794 0x00000018
+wm 32 0x020e079c 0x00000018
+wm 32 0x020e07a0 0x00000018
+wm 32 0x020e07a4 0x00000018
+wm 32 0x020e07a8 0x00000018
+wm 32 0x020e0748 0x00000018
+wm 32 0x020e05ac 0x00000018
+wm 32 0x020e05b4 0x00000018
+wm 32 0x020e0528 0x00000018
+wm 32 0x020e0520 0x00000018
+wm 32 0x020e0514 0x00000018
+wm 32 0x020e0510 0x00000018
+wm 32 0x020e05bc 0x00000018
+wm 32 0x020e05c4 0x00000018
+wm 32 0x021b0800 0xa1390003
+wm 32 0x021b080c 0x001f001f
+wm 32 0x021b0810 0x001f001f
+wm 32 0x021b480c 0x001f001f
+wm 32 0x021b4810 0x001f001f
+wm 32 0x021b083c 0x4333033f
+wm 32 0x021b0840 0x032c031d
+wm 32 0x021b483c 0x43200332
+wm 32 0x021b4840 0x031a026a
+wm 32 0x021b0848 0x4d464746
+wm 32 0x021b4848 0x47453f4d
+wm 32 0x021b0850 0x3e434440
+wm 32 0x021b4850 0x47384839
+wm 32 0x021b081c 0x33333333
+wm 32 0x021b0820 0x33333333
+wm 32 0x021b0824 0x33333333
+wm 32 0x021b0828 0x33333333
+wm 32 0x021b481c 0x33333333
+wm 32 0x021b4820 0x33333333
+wm 32 0x021b4824 0x33333333
+wm 32 0x021b4828 0x33333333
+wm 32 0x021b08b8 0x00000800
+wm 32 0x021b48b8 0x00000800
+wm 32 0x021b0004 0x00020036
+wm 32 0x021b0008 0x09444040
+wm 32 0x021b000c 0x8a8f7955
+wm 32 0x021b0010 0xff328f64
+wm 32 0x021b0014 0x01ff00db
+wm 32 0x021b0018 0x00001740
+wm 32 0x021b001c 0x00008000
+wm 32 0x021b002c 0x000026d2
+wm 32 0x021b0030 0x008f1023
+wm 32 0x021b0040 0x00000047
+wm 32 0x021b0000 0x841a0000
+wm 32 0x021b001c 0x04088032
+wm 32 0x021b001c 0x00008033
+wm 32 0x021b001c 0x00048031
+wm 32 0x021b001c 0x09408030
+wm 32 0x021b001c 0x04008040
+wm 32 0x021b0020 0x00005800
+wm 32 0x021b0818 0x00011117
+wm 32 0x021b4818 0x00011117
+wm 32 0x021b0004 0x00025576
+wm 32 0x021b0404 0x00011006
+wm 32 0x021b001c 0x00000000
diff --git a/arch/arm/boards/embedsky-e9/lowlevel.c b/arch/arm/boards/embedsky-e9/lowlevel.c
new file mode 100644
index 0000000000..fee1011700
--- /dev/null
+++ b/arch/arm/boards/embedsky-e9/lowlevel.c
@@ -0,0 +1,18 @@
+#include <common.h>
+#include <sizes.h>
+#include <mach/generic.h>
+#include <asm/barebox-arm-head.h>
+#include <asm/barebox-arm.h>
+
+extern char __dtb_imx6q_embedsky_e9_start[];
+
+ENTRY_FUNCTION(start_imx6q_embedsky_e9, r0, r1, r2)
+{
+	void *fdt;
+
+	imx6_cpu_lowlevel_init();
+
+	fdt = __dtb_imx6q_embedsky_e9_start - get_runtime_offset();
+
+	barebox_arm_entry(0x10000000, SZ_2G, fdt);
+}
diff --git a/arch/arm/configs/imx_v7_defconfig b/arch/arm/configs/imx_v7_defconfig
index 66fc123223..0a4f2fe129 100644
--- a/arch/arm/configs/imx_v7_defconfig
+++ b/arch/arm/configs/imx_v7_defconfig
@@ -16,6 +16,7 @@ CONFIG_MACH_SABRELITE=y
 CONFIG_MACH_SABRESD=y
 CONFIG_MACH_NITROGEN6X=y
 CONFIG_MACH_SOLIDRUN_MICROSOM=y
+CONFIG_MACH_EMBEDSKY_E9=y
 CONFIG_MACH_EMBEST_RIOTBOARD=y
 CONFIG_MACH_UDOO=y
 CONFIG_MACH_VARISCITE_MX6=y
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 72ad5e6a6f..18e451988d 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -31,7 +31,8 @@ dtb-$(CONFIG_ARCH_IMX6) += imx6q-gk802.dtb \
 	imx6q-udoo.dtb \
 	imx6q-var-custom.dtb \
 	imx6s-riotboard.dtb \
-	imx6q-phytec-pbaa03.dtb
+	imx6q-phytec-pbaa03.dtb \
+	imx6q-embedsky-e9.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3188-radxarock.dtb
 dtb-$(CONFIG_ARCH_SOCFPGA) += socfpga_cyclone5_sockit.dtb \
 	socfpga_cyclone5_socrates.dtb
@@ -47,6 +48,7 @@ obj-$(CONFIG_BUILTIN_DTB) += $(BUILTIN_DTB).dtb.o
 pbl-$(CONFIG_MACH_BEAGLEBONE) += am335x-bone.dtb.o am335x-boneblack.dtb.o am335x-bone-common.dtb.o
 pbl-$(CONFIG_MACH_DFI_FS700_M60) += imx6q-dfi-fs700-m60-6q.dtb.o imx6dl-dfi-fs700-m60-6s.dtb.o
 pbl-$(CONFIG_MACH_EFIKA_MX_SMARTBOOK) += imx51-genesi-efika-sb.dtb.o
+pbl-$(CONFIG_MACH_EMBEDSKY_E9) += imx6q-embedsky-e9.dtb.o
 pbl-$(CONFIG_MACH_EMBEST_RIOTBOARD) += imx6s-riotboard.dtb.o
 pbl-$(CONFIG_MACH_FREESCALE_MX51_PDK) += imx51-babbage.dtb.o
 pbl-$(CONFIG_MACH_FREESCALE_MX53_LOCO) += imx53-qsb.dtb.o imx53-qsrb.dtb.o
diff --git a/arch/arm/dts/imx6q-embedsky-e9.dts b/arch/arm/dts/imx6q-embedsky-e9.dts
new file mode 100644
index 0000000000..14f6d5fe15
--- /dev/null
+++ b/arch/arm/dts/imx6q-embedsky-e9.dts
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2012 Freescale Semiconductor, Inc.
+ * Copyright 2011 Linaro Ltd.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+/dts-v1/;
+
+#include "imx6q.dtsi"
+#include <arm/imx6q-embedsky-e9.dtsi>
+
+/ {
+	chosen {
+		linux,stdout-path = &uart4;
+
+		environment@0 {
+			compatible = "barebox,environment";
+			device-path = &usdhc2, "partname:barebox-environment";
+		};
+
+	};
+};
+
+&usdhc2 {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	partition@0 {
+		label = "barebox";
+		reg = <0x0 0x80000>;
+	};
+	partition@1 {
+		label = "barebox-environment";
+		reg = <0x80000 0x80000>;
+	};
+};
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 2d99f3eec5..53a44a06e9 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -208,6 +208,12 @@ config MACH_EFIKA_MX_SMARTBOOK
 	help
 	  Choose this to compile barebox for the Efika MX Smartbook
 
+config MACH_EMBEDSKY_E9
+	bool "Embedsky E9 Mini-PC"
+	select ARCH_IMX6
+	help
+	  Choose this to compile barebox for the Embedsky E9 Mini PC
+
 config MACH_FREESCALE_MX51_PDK
 	bool "Freescale i.MX51 PDK"
 	select ARCH_IMX51