[PATCH v3 3/3] arm: mvebu: Initial ESPRESSOBin-Ultra board support

Luka Kovacic luka.kovacic at sartura.hr
Fri Aug 13 01:39:38 CEST 2021


Add initial support for the ESPRESSOBin-Ultra board from Globalscale
Technologies, Inc.

The board is based on the 64-bit dual-core Marvell Armada 3720 SoC.
Peripherals:
 - 5 Gigabit Ethernet ports (WAN has PoE, up to 30W, Topaz 6341 switch)
 - RTC clock (PCF8563)
 - USB 3.0 port
 - USB 2.0 port
 - 4x LED
 - UART over Micro-USB
 - M.2 slot (2280)
 - Mini PCI-E slot

Additionally, automatic import of the Marvell hw_info parameters is
enabled via the recently added mac command for A37XX platforms.
The parameters stored in Marvell hw_info are usually the board serial
number and MAC addresses.

Signed-off-by: Luka Kovacic <luka.kovacic at sartura.hr>
Cc: Luka Perkov <luka.perkov at sartura.hr>
Cc: Robert Marko <robert.marko at sartura.hr>
---
 arch/arm/dts/Makefile                         |   1 +
 .../arm/dts/armada-3720-espressobin-ultra.dts | 114 ++++++++++
 arch/arm/dts/armada-3720-espressobin.dts      | 199 +----------------
 arch/arm/dts/armada-3720-espressobin.dtsi     | 210 ++++++++++++++++++
 board/Marvell/mvebu_armada-37xx/MAINTAINERS   |   8 +
 board/Marvell/mvebu_armada-37xx/board.c       |  92 +++++++-
 .../mvebu_espressobin-ultra-88f3720_defconfig |  93 ++++++++
 7 files changed, 514 insertions(+), 203 deletions(-)
 create mode 100644 arch/arm/dts/armada-3720-espressobin-ultra.dts
 create mode 100644 arch/arm/dts/armada-3720-espressobin.dtsi
 create mode 100644 configs/mvebu_espressobin-ultra-88f3720_defconfig

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index c42715ead4..f21c9c94d3 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -213,6 +213,7 @@ dtb-$(CONFIG_ARCH_TEGRA) += tegra20-harmony.dtb \
 dtb-$(CONFIG_ARCH_MVEBU) +=			\
 	armada-3720-db.dtb			\
 	armada-3720-espressobin.dtb		\
+	armada-3720-espressobin-ultra.dtb	\
 	armada-3720-turris-mox.dtb		\
 	armada-3720-uDPU.dtb			\
 	armada-375-db.dtb			\
diff --git a/arch/arm/dts/armada-3720-espressobin-ultra.dts b/arch/arm/dts/armada-3720-espressobin-ultra.dts
new file mode 100644
index 0000000000..5ad0c723e3
--- /dev/null
+++ b/arch/arm/dts/armada-3720-espressobin-ultra.dts
@@ -0,0 +1,114 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Device Tree file for ESPRESSObin-Ultra board
+ * Copyright (C) 2016 Marvell
+ * Copyright (C) 2019 Globalscale technologies, Inc.
+ * Copyright (C) 2021 Sartura Ltd.
+ *
+ * Author: Jason Hung <jhung at globalscaletechnologies.com>
+ * Author: Luka Kovacic <luka.kovacic at sartura.hr>
+ * Author: Vladimir Vid <vladimir.vid at sartura.hr>
+ */
+
+/dts-v1/;
+
+#include "armada-3720-espressobin.dtsi"
+
+/ {
+	model = "Globalscale Marvell ESPRESSOBin Ultra Board";
+	compatible = "globalscale,espressobin-ultra", "marvell,armada3720", "marvell,armada3710";
+
+	gpio-leds {
+		pinctrl-names = "default";
+		pinctrl-0 = <&led1_pins>, <&led2_pins>, <&led3_pins>, <&led4_pins>;
+		compatible = "gpio-leds";
+
+		led1 {
+			label = "led1";
+			gpios = <&gpionb 11 GPIO_ACTIVE_LOW>;
+			default-state = "on";
+		};
+		led2 {
+			label = "led2";
+			gpios = <&gpionb 12 GPIO_ACTIVE_LOW>;
+			default-state = "on";
+		};
+		led3 {
+			label = "led3";
+			gpios = <&gpionb 13 GPIO_ACTIVE_LOW>;
+			default-state = "on";
+		};
+		led4 {
+			label = "led4";
+			gpios = <&gpionb 14 GPIO_ACTIVE_LOW>;
+			default-state = "on";
+		};
+	};
+};
+
+&pinctrl_nb {
+	led1_pins: led1-pins {
+		groups = "pwm0";
+		function = "gpio";
+	};
+	led2_pins: led2-pins {
+		groups = "pwm1";
+		function = "gpio";
+	};
+	led3_pins: led3-pins {
+		groups = "pwm2";
+		function = "gpio";
+	};
+	led4_pins: led4-pins {
+		groups = "pwm3";
+		function = "gpio";
+	};
+};
+
+&eth0 {
+	status = "okay";
+	phy_addr = <0x3>;
+};
+
+&i2c0 {
+	status = "okay";
+	#address-cells = <1>;
+	#size-cells = <0>;
+	rtc at 51 {
+		compatible = "nxp,pcf8563";
+		reg = <0x51>;
+	};
+};
+
+&sata {
+	status = "okay";
+};
+
+&sdhci0 {
+	status = "disabled";
+};
+
+&sdhci1 {
+	status = "okay";
+};
+
+&spi0 {
+	status = "okay";
+};
+
+/* Exported on the micro USB connector through an FTDI */
+&uart0 {
+	status = "okay";
+};
+
+&usb2 {
+	status = "okay";
+};
+
+&usb3 {
+	status = "okay";
+};
+
+&pcie0 {
+	status = "okay";
+};
diff --git a/arch/arm/dts/armada-3720-espressobin.dts b/arch/arm/dts/armada-3720-espressobin.dts
index cba6139be6..925ce6a38e 100644
--- a/arch/arm/dts/armada-3720-espressobin.dts
+++ b/arch/arm/dts/armada-3720-espressobin.dts
@@ -1,210 +1,15 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
 /*
  * Device Tree file for Marvell Armada 3720 community board
  * (ESPRESSOBin)
  * Copyright (C) 2016 Marvell
- *
- * Gregory CLEMENT <gregory.clement at free-electrons.com>
- * Konstantin Porotchkin <kostap at marvell.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 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 file 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.
- *
- * 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 , 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-372x.dtsi"
+#include "armada-3720-espressobin.dtsi"
 
 / {
 	model = "Globalscale Marvell ESPRESSOBin Board";
 	compatible = "globalscale,espressobin", "marvell,armada3720", "marvell,armada3710";
-
-	chosen {
-		stdout-path = "serial0:115200n8";
-	};
-
-	aliases {
-		ethernet0 = &eth0;
-		i2c0 = &i2c0;
-		spi0 = &spi0;
-	};
-
-	memory {
-		device_type = "memory";
-		reg = <0x00000000 0x00000000 0x00000000 0x20000000>;
-	};
-
-	vcc_sd_reg0: regulator at 0 {
-		compatible = "regulator-gpio";
-		regulator-name = "vcc_sd0";
-		regulator-min-microvolt = <1800000>;
-		regulator-max-microvolt = <3300000>;
-		regulator-type = "voltage";
-		states = <1800000 0x1
-			  3300000 0x0>;
-		gpios = <&gpionb 4 GPIO_ACTIVE_HIGH>;
-	};
-};
-
-&comphy {
-	max-lanes = <3>;
-	phy0 {
-		phy-type = <COMPHY_TYPE_USB3_HOST0>;
-		phy-speed = <COMPHY_SPEED_5G>;
-	};
-
-	phy1 {
-		phy-type = <COMPHY_TYPE_PEX0>;
-		phy-speed = <COMPHY_SPEED_2_5G>;
-	};
-
-	phy2 {
-		phy-type = <COMPHY_TYPE_SATA0>;
-		phy-speed = <COMPHY_SPEED_5G>;
-	};
-};
-
-&eth0 {
-	status = "okay";
-	pinctrl-names = "default";
-	pinctrl-0 = <&rgmii_pins>, <&smi_pins>;
-	phy-mode = "rgmii";
-	phy_addr = <0x1>;
-	fixed-link {
-		speed = <1000>;
-		full-duplex;
-	};
-};
-
-&i2c0 {
-	pinctrl-names = "default";
-	pinctrl-0 = <&i2c1_pins>;
-	status = "okay";
-};
-
-/* CON3 */
-&sata {
-	status = "okay";
-};
-
-&sdhci0 {
-	pinctrl-names = "default";
-	pinctrl-0 = <&sdio_pins>;
-	bus-width = <4>;
-	cd-gpios = <&gpionb 3 GPIO_ACTIVE_LOW>;
-	vqmmc-supply = <&vcc_sd_reg0>;
-	status = "okay";
-};
-
-/* U11 */
-&sdhci1 {
-	non-removable;
-	bus-width = <8>;
-	mmc-ddr-1_8v;
-	mmc-hs400-1_8v;
-	marvell,xenon-emmc;
-	marvell,xenon-tun-count = <9>;
-	marvell,pad-type = "fixed-1-8v";
-
-	pinctrl-names = "default";
-	pinctrl-0 = <&mmc_pins>;
-	status = "okay";
-
-	#address-cells = <1>;
-	#size-cells = <0>;
-	mmccard: mmccard at 0 {
-		compatible = "mmc-card";
-		reg = <0>;
-	};
-};
-
-&spi0 {
-	status = "okay";
-	pinctrl-names = "default";
-	pinctrl-0 = <&spi_quad_pins>;
-
-	spi-flash at 0 {
-		#address-cells = <1>;
-		#size-cells = <1>;
-		compatible = "st,m25p128", "jedec,spi-nor";
-		reg = <0>; /* Chip select 0 */
-		spi-max-frequency = <50000000>;
-		m25p,fast-read;
-
-#ifdef CONFIG_ENV_IS_IN_SPI_FLASH
-		partitions {
-			compatible = "fixed-partitions";
-			#address-cells = <1>;
-			#size-cells = <1>;
-
-			partition at firmware {
-				reg = <0 CONFIG_ENV_OFFSET>;
-				label = "firmware";
-			};
-
-			partition at u-boot-env {
-				reg = <CONFIG_ENV_OFFSET CONFIG_ENV_SIZE>;
-				label = "u-boot-env";
-			};
-		};
-#endif
-	};
-};
-
-/* Exported on the micro USB connector CON32 through an FTDI */
-&uart0 {
-	pinctrl-names = "default";
-	pinctrl-0 = <&uart1_pins>;
-	status = "okay";
-};
-
-/* CON29 */
-&usb2 {
-	status = "okay";
-};
-
-/* CON31 */
-&usb3 {
-	status = "okay";
-};
-
-&pcie0 {
-	pinctrl-names = "default";
-	pinctrl-0 = <&pcie_pins>;
-	reset-gpios = <&gpiosb 3 GPIO_ACTIVE_LOW>;
-	status = "okay";
 };
diff --git a/arch/arm/dts/armada-3720-espressobin.dtsi b/arch/arm/dts/armada-3720-espressobin.dtsi
new file mode 100644
index 0000000000..cba6139be6
--- /dev/null
+++ b/arch/arm/dts/armada-3720-espressobin.dtsi
@@ -0,0 +1,210 @@
+/*
+ * Device Tree file for Marvell Armada 3720 community board
+ * (ESPRESSOBin)
+ * Copyright (C) 2016 Marvell
+ *
+ * Gregory CLEMENT <gregory.clement at free-electrons.com>
+ * Konstantin Porotchkin <kostap at marvell.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 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 file 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.
+ *
+ * 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 , 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-372x.dtsi"
+
+/ {
+	model = "Globalscale Marvell ESPRESSOBin Board";
+	compatible = "globalscale,espressobin", "marvell,armada3720", "marvell,armada3710";
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	aliases {
+		ethernet0 = &eth0;
+		i2c0 = &i2c0;
+		spi0 = &spi0;
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x00000000 0x00000000 0x00000000 0x20000000>;
+	};
+
+	vcc_sd_reg0: regulator at 0 {
+		compatible = "regulator-gpio";
+		regulator-name = "vcc_sd0";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-type = "voltage";
+		states = <1800000 0x1
+			  3300000 0x0>;
+		gpios = <&gpionb 4 GPIO_ACTIVE_HIGH>;
+	};
+};
+
+&comphy {
+	max-lanes = <3>;
+	phy0 {
+		phy-type = <COMPHY_TYPE_USB3_HOST0>;
+		phy-speed = <COMPHY_SPEED_5G>;
+	};
+
+	phy1 {
+		phy-type = <COMPHY_TYPE_PEX0>;
+		phy-speed = <COMPHY_SPEED_2_5G>;
+	};
+
+	phy2 {
+		phy-type = <COMPHY_TYPE_SATA0>;
+		phy-speed = <COMPHY_SPEED_5G>;
+	};
+};
+
+&eth0 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&rgmii_pins>, <&smi_pins>;
+	phy-mode = "rgmii";
+	phy_addr = <0x1>;
+	fixed-link {
+		speed = <1000>;
+		full-duplex;
+	};
+};
+
+&i2c0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c1_pins>;
+	status = "okay";
+};
+
+/* CON3 */
+&sata {
+	status = "okay";
+};
+
+&sdhci0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&sdio_pins>;
+	bus-width = <4>;
+	cd-gpios = <&gpionb 3 GPIO_ACTIVE_LOW>;
+	vqmmc-supply = <&vcc_sd_reg0>;
+	status = "okay";
+};
+
+/* U11 */
+&sdhci1 {
+	non-removable;
+	bus-width = <8>;
+	mmc-ddr-1_8v;
+	mmc-hs400-1_8v;
+	marvell,xenon-emmc;
+	marvell,xenon-tun-count = <9>;
+	marvell,pad-type = "fixed-1-8v";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc_pins>;
+	status = "okay";
+
+	#address-cells = <1>;
+	#size-cells = <0>;
+	mmccard: mmccard at 0 {
+		compatible = "mmc-card";
+		reg = <0>;
+	};
+};
+
+&spi0 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&spi_quad_pins>;
+
+	spi-flash at 0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "st,m25p128", "jedec,spi-nor";
+		reg = <0>; /* Chip select 0 */
+		spi-max-frequency = <50000000>;
+		m25p,fast-read;
+
+#ifdef CONFIG_ENV_IS_IN_SPI_FLASH
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition at firmware {
+				reg = <0 CONFIG_ENV_OFFSET>;
+				label = "firmware";
+			};
+
+			partition at u-boot-env {
+				reg = <CONFIG_ENV_OFFSET CONFIG_ENV_SIZE>;
+				label = "u-boot-env";
+			};
+		};
+#endif
+	};
+};
+
+/* Exported on the micro USB connector CON32 through an FTDI */
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart1_pins>;
+	status = "okay";
+};
+
+/* CON29 */
+&usb2 {
+	status = "okay";
+};
+
+/* CON31 */
+&usb3 {
+	status = "okay";
+};
+
+&pcie0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie_pins>;
+	reset-gpios = <&gpiosb 3 GPIO_ACTIVE_LOW>;
+	status = "okay";
+};
diff --git a/board/Marvell/mvebu_armada-37xx/MAINTAINERS b/board/Marvell/mvebu_armada-37xx/MAINTAINERS
index f2c0a582d7..d69af832fc 100644
--- a/board/Marvell/mvebu_armada-37xx/MAINTAINERS
+++ b/board/Marvell/mvebu_armada-37xx/MAINTAINERS
@@ -10,6 +10,14 @@ M:	Konstantin Porotchkin <kostap at marvell.com>
 S:	Maintained
 F:	configs/mvebu_espressobin-88f3720_defconfig
 
+ESPRESSOBin-Ultra BOARD
+M:	Luka Kovacic <luka.kovacic at sartura.hr>
+M:	Robert Marko <robert.marko at sartura.hr>
+M:	Luka Perkov <luka.perkov at sartura.hr>
+S:	Maintained
+F:	arch/arm/dts/armada-3720-espressobin-ultra.dts
+F:	configs/mvebu_espressobin-ultra-88f3720_defconfig
+
 uDPU BOARD
 M:	Vladimir Vid <vladimir.vid at sartura.hr>
 S:	Maintained
diff --git a/board/Marvell/mvebu_armada-37xx/board.c b/board/Marvell/mvebu_armada-37xx/board.c
index 2de9c2ac17..21c1eb7b22 100644
--- a/board/Marvell/mvebu_armada-37xx/board.c
+++ b/board/Marvell/mvebu_armada-37xx/board.c
@@ -11,6 +11,7 @@
 #include <i2c.h>
 #include <init.h>
 #include <mmc.h>
+#include <miiphy.h>
 #include <phy.h>
 #include <asm/global_data.h>
 #include <asm/io.h>
@@ -55,6 +56,15 @@ DECLARE_GLOBAL_DATA_PTR;
 #define MVEBU_G2_SMI_PHY_CMD_REG	(24)
 #define MVEBU_G2_SMI_PHY_DATA_REG	(25)
 
+/* Marvell 88E1512 */
+#define MII_MARVELL_PHY_PAGE		22
+
+#define MV88E1512_GENERAL_CTRL		20
+#define MV88E1512_MODE_SGMII		1
+#define MV88E1512_RESET_OFFS		15
+
+#define ULTRA_MV88E1512_PHYADDR		0x1
+
 /*
  * Memory Controller Registers
  *
@@ -282,12 +292,68 @@ static int mii_multi_chip_mode_write(struct mii_dev *bus, int dev_smi_addr,
 	return 0;
 }
 
-/* Bring-up board-specific network stuff */
-int board_network_enable(struct mii_dev *bus)
+void force_phy_88e1512_sgmii_to_copper(u16 devaddr)
 {
-	if (!of_machine_is_compatible("globalscale,espressobin"))
-		return 0;
+	const char *name;
+	u16 reg;
+
+	name = miiphy_get_current_dev();
+	if (name) {
+		/* SGMII-to-Copper mode initialization */
+
+		/* Select page 18 */
+		miiphy_write(name, devaddr, MII_MARVELL_PHY_PAGE, 0x12);
+		/* In reg 20, write MODE[2:0] = 0x1 (SGMII to Copper) */
+		miiphy_read(name, devaddr, MV88E1512_GENERAL_CTRL, &reg);
+		reg &= ~0x7;
+		reg |= MV88E1512_MODE_SGMII;
+		miiphy_write(name, devaddr, MV88E1512_GENERAL_CTRL, reg);
+		/* PHY reset is necessary after changing MODE[2:0] */
+		miiphy_read(name, devaddr, MV88E1512_GENERAL_CTRL, &reg);
+		reg |= 1 << MV88E1512_RESET_OFFS;
+		miiphy_write(name, devaddr, MV88E1512_GENERAL_CTRL, reg);
+		/* Reset page selection */
+		miiphy_write(name, devaddr, MII_MARVELL_PHY_PAGE, 0);
+		udelay(100);
+	}
+}
+
+int board_network_enable_espressobin_ultra(struct mii_dev *bus)
+{
+	int i;
+	/* Setup 88E1512 SGMII-to-Copper mode */
+	force_phy_88e1512_sgmii_to_copper(ULTRA_MV88E1512_PHYADDR);
 
+	/*
+	 * FIXME: remove this code once Topaz driver gets available
+	 * A3720 ESPRESSObin Ultra Board Only
+	 * Configure Topaz switch (88E6341)
+	 * Set port 1,2,3,4,5 to forwarding Mode (through Switch Port registers)
+	 */
+	for (i = 0; i <= 5; i++) {
+		mii_multi_chip_mode_write(bus, 3, MVEBU_PORT_CTRL_SMI_ADDR(i),
+					  MVEBU_SW_PORT_CTRL_REG,
+					  i == 5 ? 0x7c : 0x7f);
+	}
+
+	/* RGMII Delay on Port 0 (CPU port), force link to 1000Mbps */
+	mii_multi_chip_mode_write(bus, 3, MVEBU_PORT_CTRL_SMI_ADDR(0),
+				  MVEBU_SW_LINK_CTRL_REG, 0xe002);
+
+	/* Power up PHY 1, 2, 3, 4, 5 (through Global 2 registers) */
+	mii_multi_chip_mode_write(bus, 3, MVEBU_SW_G2_SMI_ADDR,
+				  MVEBU_G2_SMI_PHY_DATA_REG, 0x1140);
+	for (i = 1; i <= 5; i++) {
+		mii_multi_chip_mode_write(bus, 3, MVEBU_SW_G2_SMI_ADDR,
+					  MVEBU_G2_SMI_PHY_CMD_REG, 0x9400 +
+					  (MVEBU_PORT_CTRL_SMI_ADDR(i) << 5));
+	}
+
+	return 0;
+}
+
+int board_network_enable_espressobin(struct mii_dev *bus)
+{
 	/*
 	 * FIXME: remove this code once Topaz driver gets available
 	 * A3720 Community Board Only
@@ -328,6 +394,16 @@ int board_network_enable(struct mii_dev *bus)
 	return 0;
 }
 
+/* Bring-up the board-specific networking */
+int board_network_enable(struct mii_dev *bus)
+{
+	if (of_machine_is_compatible("globalscale,espressobin"))
+		return board_network_enable_espressobin(bus);
+	if (of_machine_is_compatible("globalscale,espressobin-ultra"))
+		return board_network_enable_espressobin_ultra(bus);
+	return 0;
+}
+
 #if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_ENV_IS_IN_SPI_FLASH)
 int ft_board_setup(void *blob, struct bd_info *bd)
 {
@@ -336,8 +412,12 @@ int ft_board_setup(void *blob, struct bd_info *bd)
 	int parts_off;
 	int part_off;
 
-	/* Fill SPI MTD partitions for Linux kernel on Espressobin */
-	if (!of_machine_is_compatible("globalscale,espressobin"))
+	/*
+	 * Fill SPI MTD partitions for the Linux kernel on ESPRESSOBin and
+	 * ESPRESSOBin Ultra boards.
+	 */
+	if (!of_machine_is_compatible("globalscale,espressobin") &&
+	    !of_machine_is_compatible("globalscale,espressobin-ultra"))
 		return 0;
 
 	spi_off = fdt_node_offset_by_compatible(blob, -1, "jedec,spi-nor");
diff --git a/configs/mvebu_espressobin-ultra-88f3720_defconfig b/configs/mvebu_espressobin-ultra-88f3720_defconfig
new file mode 100644
index 0000000000..1bac0a96ad
--- /dev/null
+++ b/configs/mvebu_espressobin-ultra-88f3720_defconfig
@@ -0,0 +1,93 @@
+CONFIG_ARM=y
+CONFIG_ARCH_CPU_INIT=y
+CONFIG_ARCH_MVEBU=y
+CONFIG_SYS_TEXT_BASE=0x00000000
+CONFIG_SYS_MALLOC_F_LEN=0x2000
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_TARGET_MVEBU_ARMADA_37XX=y
+CONFIG_ENV_SIZE=0x10000
+CONFIG_ENV_OFFSET=0x3F0000
+CONFIG_ENV_SECT_SIZE=0x10000
+CONFIG_DM_GPIO=y
+CONFIG_DEBUG_UART_BASE=0xd0012000
+CONFIG_DEFAULT_DEVICE_TREE="armada-3720-espressobin-ultra"
+CONFIG_DEBUG_UART=y
+CONFIG_AHCI=y
+CONFIG_DISTRO_DEFAULTS=y
+# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
+CONFIG_OF_BOARD_SETUP=y
+CONFIG_FIT=y
+CONFIG_FIT_VERBOSE=y
+CONFIG_FIT_BEST_MATCH=y
+CONFIG_AUTOBOOT_KEYED=y
+CONFIG_AUTOBOOT_PROMPT="Autoboot in %d seconds, to stop use 's' key\n"
+CONFIG_AUTOBOOT_STOP_STR="s"
+CONFIG_AUTOBOOT_KEYED_CTRLC=y
+CONFIG_HUSH_PARSER=y
+CONFIG_SYS_CONSOLE_INFO_QUIET=y
+# CONFIG_DISPLAY_CPUINFO is not set
+# CONFIG_DISPLAY_BOARDINFO is not set
+CONFIG_DISPLAY_BOARDINFO_LATE=y
+CONFIG_ARCH_EARLY_INIT_R=y
+CONFIG_BOARD_EARLY_INIT_F=y
+CONFIG_BOARD_LATE_INIT=y
+# CONFIG_CMD_FLASH is not set
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_MTD=y
+CONFIG_CMD_PCI=y
+CONFIG_CMD_SPI=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_WDT=y
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_TFTPPUT=y
+CONFIG_CMD_CACHE=y
+CONFIG_CMD_TIME=y
+CONFIG_CMD_MVEBU_BUBT=y
+CONFIG_MVEBU_MAC_HW_INFO=y
+CONFIG_CMD_EXT4_WRITE=y
+CONFIG_MAC_PARTITION=y
+CONFIG_ENV_OVERWRITE=y
+CONFIG_ENV_IS_IN_SPI_FLASH=y
+CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_AHCI_MVEBU=y
+CONFIG_CLK=y
+CONFIG_CLK_MVEBU=y
+CONFIG_DM_I2C=y
+CONFIG_MISC=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_SDMA=y
+CONFIG_MMC_SDHCI_XENON=y
+CONFIG_MTD=y
+CONFIG_DM_MTD=y
+CONFIG_SF_DEFAULT_MODE=0
+CONFIG_SPI_FLASH_MACRONIX=y
+CONFIG_SPI_FLASH_MTD=y
+CONFIG_PHY_MARVELL=y
+CONFIG_PHY_GIGE=y
+CONFIG_MVNETA=y
+CONFIG_PCI=y
+CONFIG_PCI_AARDVARK=y
+CONFIG_PHY=y
+CONFIG_MVEBU_COMPHY_SUPPORT=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_ARMADA_37XX=y
+CONFIG_DM_REGULATOR_GPIO=y
+CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_DEBUG_UART_ANNOUNCE=y
+CONFIG_MVEBU_A3700_UART=y
+CONFIG_MVEBU_A3700_SPI=y
+CONFIG_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_HOST_ETHER=y
+# CONFIG_WATCHDOG_AUTOSTART is not set
+CONFIG_WDT=y
+CONFIG_WDT_ARMADA_37XX=y
+CONFIG_SHA1=y
+CONFIG_DM_RTC=y
+CONFIG_RTC_PCF8563=y
+CONFIG_LED=y
+CONFIG_LED_GPIO=y
-- 
2.31.1



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