arm: mvebu: add DB-88F6820-AMC board

This board is a plug in card for Marvell's switch system development
kits. Form-factor aside it is similar to the DB-88F6820-GP with the
following differences.
- TCLK is 200MHz
- SPI1 is used
- No SATA
- No MMC
- NAND flash

Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Chris Packham <judge.packham@gmail.com>
Signed-off-by: Stefan Roese <sr@denx.de>

3 files changed, 163 insertions, 0 deletions

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 1d41d48..df57288 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -70,6 +70,7 @@ dtb-$(CONFIG_ARCH_MVEBU) +=			\
 	armada-375-db.dtb			\
 	armada-388-clearfog.dtb			\
 	armada-388-gp.dtb			\
+	armada-385-amc.dtb			\
 	armada-xp-gp.dtb			\
 	armada-xp-maxbcm.dtb			\
 	armada-xp-synology-ds414.dtb		\
diff --git a/arch/arm/dts/armada-385-amc.dts b/arch/arm/dts/armada-385-amc.dts
new file mode 100644
index 0000000..858138a
--- /dev/null
+++ b/arch/arm/dts/armada-385-amc.dts
@@ -0,0 +1,155 @@
+/*
+ * Device Tree file for Marvell Armada 385 development board
+ * (DB-88F6820-AMC)
+ *
+ * Copyright (C) 2014 Marvell
+ *
+ * Gregory CLEMENT <gregory.clement@free-electrons.com>
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ *  a) This file is licensed under the terms of the GNU General Public
+ *     License version 2.  This program is licensed "as is" without
+ *     any warranty of any kind, whether express or implied.
+ *
+ * Or, alternatively,
+ *
+ *  b) Permission is hereby granted, free of charge, to any person
+ *     obtaining a copy of this software and associated documentation
+ *     files (the "Software"), to deal in the Software without
+ *     restriction, including without limitation the rights to use,
+ *     copy, modify, merge, publish, distribute, sublicense, and/or
+ *     sell copies of the Software, and to permit persons to whom the
+ *     Software is furnished to do so, subject to the following
+ *     conditions:
+ *
+ *     The above copyright notice and this permission notice shall be
+ *     included in all copies or substantial portions of the Software.
+ *
+ *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ *     OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/dts-v1/;
+#include "armada-385.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	model = "Marvell Armada 385 AMC";
+	compatible = "marvell,a385-amc", "marvell,armada385", "marvell,armada380";
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	aliases {
+		ethernet0 = &eth0;
+		ethernet1 = &eth1;
+		spi1 = &spi1;
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x00000000 0x80000000>; /* 2 GB */
+	};
+
+	soc {
+		ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000
+			  MBUS_ID(0x01, 0x1d) 0 0xfff00000 0x100000>;
+
+		internal-regs {
+			i2c@11000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&i2c0_pins>;
+				status = "okay";
+			};
+
+			serial@12000 {
+				/*
+				 * Exported on the micro USB connector CON16
+				 * through an FTDI
+				 */
+
+				pinctrl-names = "default";
+				pinctrl-0 = <&uart0_pins>;
+				status = "okay";
+				u-boot,dm-pre-reloc;
+			};
+
+			ethernet@34000 {
+				status = "okay";
+				phy = <&phy1>;
+				phy-mode = "sgmii";
+			};
+
+			usb@58000 {
+				status = "okay";
+			};
+
+			ethernet@70000 {
+				pinctrl-names = "default";
+				/*
+				 * The Reference Clock 0 is used to provide a
+				 * clock to the PHY
+				 */
+				pinctrl-0 = <&ge0_rgmii_pins>, <&ref_clk0_pins>;
+				status = "okay";
+				phy = <&phy0>;
+				phy-mode = "rgmii-id";
+			};
+
+
+			mdio@72004 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&mdio_pins>;
+
+				phy0: ethernet-phy@1 {
+					reg = <1>;
+				};
+
+				phy1: ethernet-phy@0 {
+					reg = <0>;
+				};
+			};
+		};
+
+		pcie-controller {
+			status = "okay";
+			pcie@1,0 {
+				/* Port 0, Lane 0 */
+				status = "okay";
+			};
+
+		};
+	};
+};
+
+&spi1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&spi1_pins>;
+	status = "okay";
+	u-boot,dm-pre-reloc;
+
+	spi-flash@0 {
+		u-boot,dm-pre-reloc;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "st,m25p128", "jedec,spi-nor";
+		reg = <0>; /* Chip select 0 */
+		spi-max-frequency = <50000000>;
+		m25p,fast-read;
+	};
+};
+
+&refclk {
+	clock-frequency = <20000000>;
+};
diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig
index 8ce0c9e..0fd71a7 100644
--- a/arch/arm/mach-mvebu/Kconfig
+++ b/arch/arm/mach-mvebu/Kconfig
@@ -41,6 +41,10 @@ config TARGET_DB_88F6820_GP
 	bool "Support DB-88F6820-GP"
 	select 88F6820
 
+config TARGET_DB_88F6820_AMC
+	bool "Support DB-88F6820-AMC"
+	select 88F6820
+
 config TARGET_DB_MV784MP_GP
 	bool "Support db-mv784mp-gp"
 	select MV78460
@@ -63,6 +67,7 @@ config SYS_BOARD
 	default "clearfog" if TARGET_CLEARFOG
 	default "db-88f6720" if TARGET_DB_88F6720
 	default "db-88f6820-gp" if TARGET_DB_88F6820_GP
+	default "db-88f6820-amc" if TARGET_DB_88F6820_AMC
 	default "db-mv784mp-gp" if TARGET_DB_MV784MP_GP
 	default "ds414" if TARGET_DS414
 	default "maxbcm" if TARGET_MAXBCM
@@ -72,6 +77,7 @@ config SYS_CONFIG_NAME
 	default "clearfog" if TARGET_CLEARFOG
 	default "db-88f6720" if TARGET_DB_88F6720
 	default "db-88f6820-gp" if TARGET_DB_88F6820_GP
+	default "db-88f6820-amc" if TARGET_DB_88F6820_AMC
 	default "db-mv784mp-gp" if TARGET_DB_MV784MP_GP
 	default "ds414" if TARGET_DS414
 	default "maxbcm" if TARGET_MAXBCM
@@ -81,6 +87,7 @@ config SYS_VENDOR
 	default "Marvell" if TARGET_DB_MV784MP_GP
 	default "Marvell" if TARGET_DB_88F6720
 	default "Marvell" if TARGET_DB_88F6820_GP
+	default "Marvell" if TARGET_DB_88F6820_AMC
 	default "solidrun" if TARGET_CLEARFOG
 	default "Synology" if TARGET_DS414