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mvebu: add initial support for uDPU board

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This adds initial support for micro-DPU (uDPU) board which is based on
Armada-3720 SoC.  micro-DPU is the single-port FTTdp distribution point
unit made by Methode Electronics which offers complete modularity with
replaceable SFP modules both for uplink and downlink (G.hn over
twisted-pair, G.hn over coax, 1G and 2.5G Ethernet over Cat-5e cable).

On-board features:
- 512 MiB DDR3
- 2 x 2.5G SFP via HSGMII SERDES interface to the A3720 SoC
- USB 2.0 Type-C connector
- 4GB eMMC
- ETSI TS 101548 reverse powering via twisted pair (RJ45) or coax (F Type)

uDPU is intented to run on kernel 4.19 on newer due to the SFP and hardware support.

Signed-off-by: Vladimir Vid <vladimir.vid@sartura.hr>
This commit is contained in:
Vladimir Vid 2019-06-19 21:00:03 +02:00 committed by Petr Štetiar
parent 95c1dc5e86
commit c2e819537f
4 changed files with 188 additions and 0 deletions
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3
target/linux/mvebu/base-files/etc/board.d/02_network
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@ -49,6 +49,9 @@ marvell,armada-3720-db)
marvell,axp-gp)
ucidef_set_interface_lan "eth0 eth1 eth2 eth3"
;;
methode,uDPU)
ucidef_set_interfaces_lan_wan "eth1" "eth0"
;;
solidrun,clearfog*a1)
# eth0 is standalone ethernet
# eth1 is switch (-pro) or standalone ethernet (-base)

162
target/linux/mvebu/files-4.19/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts Normal file
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@ -0,0 +1,162 @@
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Device tree for the uDPU board.
* Based on Marvell Armada 3720 development board (DB-88F3720-DDR3)
* Copyright (C) 2016 Marvell
* Copyright (C) 2019 Methode Electronics
* Copyright (C) 2019 Telus
*
* Vladimir Vid <vladimir.vid@sartura.hr>
*/
/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include "armada-372x.dtsi"
/ {
model = "Methode uDPU Board";
compatible = "methode,udpu", "marvell,armada3720";
chosen {
stdout-path = "serial0:115200n8";
};
memory@0 {
device_type = "memory";
reg = <0x00000000 0x00000000 0x00000000 0x20000000>;
};
leds {
pinctrl-names = "default";
compatible = "gpio-leds";
power1 {
label = "udpu:green:power";
gpios = <&gpionb 11 GPIO_ACTIVE_LOW>;
};
power2 {
label = "udpu:red:power";
gpios = <&gpionb 12 GPIO_ACTIVE_LOW>;
};
network1 {
label = "udpu:green:network";
gpios = <&gpionb 13 GPIO_ACTIVE_LOW>;
};
network2 {
label = "udpu:red:network";
gpios = <&gpionb 14 GPIO_ACTIVE_LOW>;
};
alarm1 {
label = "udpu:green:alarm";
gpios = <&gpionb 15 GPIO_ACTIVE_LOW>;
};
alarm2 {
label = "udpu:red:alarm";
gpios = <&gpionb 16 GPIO_ACTIVE_LOW>;
};
};
sfp_eth0: sfp-eth0 {
compatible = "sff,sfp";
i2c-bus = <&i2c0>;
los-gpio = <&gpiosb 2 GPIO_ACTIVE_HIGH>;
mod-def0-gpio = <&gpiosb 3 GPIO_ACTIVE_LOW>;
tx-disable-gpio = <&gpiosb 4 GPIO_ACTIVE_HIGH>;
tx-fault-gpio = <&gpiosb 5 GPIO_ACTIVE_HIGH>;
};
sfp_eth1: sfp-eth1 {
compatible = "sff,sfp";
i2c-bus = <&i2c1>;
los-gpio = <&gpiosb 7 GPIO_ACTIVE_HIGH>;
mod-def0-gpio = <&gpiosb 8 GPIO_ACTIVE_LOW>;
tx-disable-gpio = <&gpiosb 9 GPIO_ACTIVE_HIGH>;
tx-fault-gpio = <&gpiosb 10 GPIO_ACTIVE_HIGH>;
};
};
&sdhci0 {
status = "okay";
bus-width = <8>;
mmc-ddr-1_8v;
mmc-hs400-1_8v;
marvell,pad-type = "fixed-1-8v";
non-removable;
no-sd;
no-sdio;
};
&spi0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&spi_quad_pins>;
flash@0 {
compatible = "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <54000000>;
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
/* only bootloader is located on the SPI */
partition@0 {
label = "uboot";
reg = <0 0x400000>;
};
};
};
};
&i2c0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&i2c1_pins>;
};
&i2c1 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&i2c2_pins>;
lm75@48 {
status = "okay";
compatible = "lm75";
reg = <0x48>;
};
lm75@49 {
status = "okay";
compatible = "lm75";
reg = <0x49>;
};
};
&eth0 {
status = "okay";
phy-mode = "sgmii";
managed = "in-band-status";
sfp = <&sfp_eth0>;
};
&eth1 {
status = "okay";
phy-mode = "sgmii";
managed = "in-band-status";
sfp = <&sfp_eth1>;
};
&usb3 {
status = "okay";
};
&uart0 {
status = "okay";
};

13
target/linux/mvebu/image/cortex-a53.mk
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@ -35,4 +35,17 @@ define Device/marvell_armada-3720-db
endef
TARGET_DEVICES += marvell_armada-3720-db
define Device/methode_uDPU
$(call Device/Default-arm64)
DEVICE_TITLE := Methode micro-DPU (uDPU)
DEVICE_DTS := armada-3720-uDPU
KERNEL_LOADADDR := 0x00080000
KERNEL_INITRAMFS := kernel-bin | gzip | fit gzip $$(DTS_DIR)/$$(DEVICE_DTS).dtb
KERNEL_INITRAMFS_SUFFIX := .itb
DEVICE_PACKAGES := f2fs-tools e2fsprogs fdisk ethtool kmod-usb2 kmod-usb3 \
kmod-e100 kmod-e1000 kmod-e1000e kmod-igb kmod-ixgbevf \
kmod-mdio-gpio kmod-switch-mvsw61xx
endef
TARGET_DEVICES += methode_uDPU
endif

10
target/linux/mvebu/patches-4.19/530-add_armada-3820-uDPU-dts.patch Normal file
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@ -0,0 +1,10 @@
--- a/arch/arm64/boot/dts/marvell/Makefile
+++ b/arch/arm64/boot/dts/marvell/Makefile
@@ -2,6 +2,7 @@
# Mvebu SoC Family
dtb-$(CONFIG_ARCH_MVEBU) += armada-3720-db.dtb
dtb-$(CONFIG_ARCH_MVEBU) += armada-3720-espressobin.dtb
+dtb-$(CONFIG_ARCH_MVEBU) += armada-3720-uDPU.dtb
dtb-$(CONFIG_ARCH_MVEBU) += armada-7040-db.dtb
dtb-$(CONFIG_ARCH_MVEBU) += armada-8040-db.dtb
dtb-$(CONFIG_ARCH_MVEBU) += armada-8040-mcbin.dtb