[OpenWrt-Devel] [PATCH v2] mvebu: add support for Buffalo LinkStation LS421DE

Daniel González Cabanelas dgcbueu at gmail.com
Fri Apr 3 13:22:17 EDT 2020


Thanks for being precise. I already tuned again the dts file with your
instructions. I'll delete the nls modules, and include kmod-md-mod,
kmod-md-raid0 and kmod-md-raid1 which are used by the stock firmware
for managing the SATA drives.

I also noticed that this board comes with the GPIO4  enabled for
supoorting the CPU power down. For enabling this pinmux right now I'm
using this dts code:

....................
&pmsu {
     pinctrl-0 = <&pmx_power_cpu>;
     pinctrl-names = "default";
};

&pinctrl {
    pmx_power_cpu: pmx-power-cpu {
    marvell,pins = "mpp4";
   marvell,function = "cpu_pd";
};
................

Is this the righ way to do it?.
BTW, the board works ok without it enabled by Openwrt,

Regards

El mié., 1 abr. 2020 a las 16:21, Tomasz Maciej Nowak
(<tomek_n at o2.pl>) escribió:
>
> W dniu 29.03.2020 o 18:52, Daniel Gonzalez Cabanelas pisze:
> > Buffalo LinkStation LS421DE is a dual bay NAS, based on Marvell Armada 370
> >
> > Hardware:
> >    SoC:         Marvell Armada-370 88F6707-A1
> >    CPU:         Cortex-A9 1200 MHz, 1 core
> >    Flash:       SPI-NOR 1 MiB, NAND 512 MiB
> >    RAM:         DDR3 512 MiB
> >    Ethernet:    1x 10/100/1000 Mbps
> >    USB:         1x 2.0, 1x 3.0
> >    SATA:        2x 3.0 Gbps
> >    LEDs/Input : 5x / 2x (1x button, 1x slide-switch)
> >    RTC:         Ricoh RS5C372A, I2C, no battery
> >
> > Flash instruction (UART+TFTP):
> >   1. Downgrade the OEM firmware to 1.34 (BUFFALO_BOOTVER=0.13)
> >   2. Boot the Openwrt initramfs image using the U-Boot serial console:
> >          tftpboot buffalo_ls421de-initramfs-kernel.bin;bootm
> >   3. Flash the sysupgrade image using the Openwrt console:
> >          sysupgrade -n buffalo_ls421de-squashfs-sysupgrade.bin
> >   5. Wait until it finish, the device will reboot with Openwrt installed
> >      on the NAND flash.
> >
> > Note:
> >   - Device shuting down doesn't work, even if the power slide switch is
> >     used. We must first, via MDIO, set the unused LED2 at the ethernet
> >     phy0 to off state. Reboot works ok.
> >
> > Signed-off-by: Daniel González Cabanelas <dgcbueu at gmail.com>
> > ---
> > Changes in v2
> >  - Tune the dts file
> >  - Adjust the i2c bus speed to the max supported by the RTC
> >  - Delete unneded kernel patch
> >  - Image creation: only include neccesary packages, delete the ubinize
> >    parameter
> >
> >  .../base-files/lib/preinit/06_set_iface_mac   |   4 +
> >  .../base-files/lib/upgrade/platform.sh        |   3 +
> >  .../boot/dts/armada-370-buffalo-ls421de.dts   | 359 ++++++++++++++++++
> >  target/linux/mvebu/image/Makefile             |  14 +
> >  target/linux/mvebu/image/cortexa9.mk          |  19 +
> >  5 files changed, 399 insertions(+)
> >  create mode 100644 target/linux/mvebu/files-4.19/arch/arm/boot/dts/armada-370-buffalo-ls421de.dts
> >
> > diff --git a/target/linux/mvebu/cortexa9/base-files/lib/preinit/06_set_iface_mac b/target/linux/mvebu/cortexa9/base-files/lib/preinit/06_set_iface_mac
> > index fd41836c8d..62ce2653a0 100644
> > --- a/target/linux/mvebu/cortexa9/base-files/lib/preinit/06_set_iface_mac
> > +++ b/target/linux/mvebu/cortexa9/base-files/lib/preinit/06_set_iface_mac
> > @@ -9,6 +9,10 @@ preinit_set_mac_address() {
> >       . /lib/functions.sh
> >
> >       case $(board_name) in
> > +     buffalo,ls421de)
> > +             mac=$(mtd_get_mac_ascii u-boot-env eth1addr)
> > +             ip link set dev eth0 address $mac 2>/dev/null
> > +             ;;
> >       linksys,caiman|linksys,cobra|linksys,rango|linksys,shelby|linksys,venom)
> >               # rename interfaces back to the way they were with 4.4
> >               case "$(readlink /sys/class/net/eth0)" in
> > diff --git a/target/linux/mvebu/cortexa9/base-files/lib/upgrade/platform.sh b/target/linux/mvebu/cortexa9/base-files/lib/upgrade/platform.sh
> > index 8baed969a3..63042b1535 100755
> > --- a/target/linux/mvebu/cortexa9/base-files/lib/upgrade/platform.sh
> > +++ b/target/linux/mvebu/cortexa9/base-files/lib/upgrade/platform.sh
> > @@ -22,6 +22,9 @@ platform_check_image() {
> >
> >  platform_do_upgrade() {
> >       case "$(board_name)" in
> > +     buffalo,ls421de)
> > +             nand_do_upgrade "$1"
> > +             ;;
> >       cznic,turris-omnia|\
> >       solidrun,clearfog-base-a1|\
> >       solidrun,clearfog-pro-a1)
> > diff --git a/target/linux/mvebu/files-4.19/arch/arm/boot/dts/armada-370-buffalo-ls421de.dts b/target/linux/mvebu/files-4.19/arch/arm/boot/dts/armada-370-buffalo-ls421de.dts
> > new file mode 100644
> > index 0000000000..69cb12bb67
> > --- /dev/null
> > +++ b/target/linux/mvebu/files-4.19/arch/arm/boot/dts/armada-370-buffalo-ls421de.dts
> > @@ -0,0 +1,359 @@
> > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> > +/*
> > + * Device Tree file for Buffalo LinkStation LS421DE
> > + *
> > + * Copyright (C) 2020 Daniel González Cabanelas <dgcbueu at gmail.com>
> > + */
> > +
> > +/dts-v1/;
> > +#include <dt-bindings/gpio/gpio.h>
> > +#include <dt-bindings/input/input.h>
> > +#include "armada-370.dtsi"
> > +#include "mvebu-linkstation-fan.dtsi"
> > +
> > +/ {
> > +     model = "Buffalo LinkStation LS421DE";
> > +     compatible = "buffalo,ls421de", "marvell,armada370", "marvell,armada-370-xp";
> > +
> > +     aliases {
> > +             led-boot = &led_boot;
> > +             led-failsafe = &led_failsafe;
> > +             led-running = &led_power;
> > +             led-upgrade = &led_upgrade;
> > +     };
> > +
> > +     chosen {
> > +             bootargs = "console=ttyS0,115200 earlyprintk noinitrd rootfstype=squashfs";
> > +             append-rootblock = "nullparameter="; /* override the bootloader args */
> > +     };
> > +
> > +     memory {
> > +             device_type = "memory";
> > +             reg = <0x00000000 0x20000000>; /* 512 MB */
> > +     };
> > +
> > +     soc {
> > +             ranges = <MBUS_ID(0xf0, 0x01) 0 0xd0000000 0x100000
> > +                       MBUS_ID(0x01, 0xe0) 0 0xfff00000 0x100000
> > +                       MBUS_ID(0x09, 0x01) 0 0xf1100000 0x10000>;
> > +
> > +             internal-regs {
> > +
> > +                     serial at 12000 {
> > +                             status = "okay";
> > +                     };
> > +
> > +                     sata at a0000 {
> > +                             nr-ports = <2>;
> > +                             status = "okay";
> > +                     };
> > +
> > +                     ethernet at 74000 {
> > +                             pinctrl-0 = <&ge1_rgmii_pins>;
> > +                             pinctrl-names = "default";
> > +                             status = "okay";
> > +                             phy = <&phy0>;
> > +                             phy-mode = "rgmii-id";
> > +                     };
> > +
> > +                     mvsdio at d4000 {
> > +                             pinctrl-0 = <&sdio_pins2>;
> > +                             pinctrl-names = "default";
> > +                             status = "okay";
> > +                             /* No CD or WP GPIOs */
> > +                             broken-cd;
> > +                     };
> > +
> > +                     usb at 50000 {
> > +                             vcc-supply = <&usb_v5_regulator>;
> > +                             status = "okay";
> > +                     };
> > +
> > +                     i2c at 11000 {
> > +                             clock-frequency = <400000>;
> > +                             status = "okay";
> > +
> > +                             rs5c372a: rs5c372a at 32 {
> > +                                     compatible = "ricoh,rs5c372a";
> > +                                     reg = <0x32>;
> > +                             };
> > +                     };> +           };
>
> Sorry if my previous comment was unclear. What I had in mind was that all nodes
> in "internal-regs" (in dtsi) which have labels should be reffered by them, not only rtc.
>
> > +     };
> > +
> > +     regulators {
> > +             compatible = "simple-bus";
> > +             #address-cells = <1>;
> > +             #size-cells = <0>;
> > +             pinctrl-0 = <&pmx_power_usb &pmx_power_hdd1 &pmx_power_hdd2>;
> > +
> > +             pinctrl-names = "default";
> > +
> > +             usb_v5_regulator: usb-v5-regulator {
> > +                     compatible = "regulator-fixed";
> > +                     regulator-name = "USB";
> > +                     regulator-min-microvolt = <5000000>;
> > +                     regulator-max-microvolt = <5000000>;
> > +                     startup-delay-us = <4000000>;
> > +                     enable-active-high;
> > +                     regulator-always-on;
> > +                     regulator-boot-on;
> > +                     gpio = <&gpio0 5 GPIO_ACTIVE_HIGH>;
> > +             };
> > +
> > +             ata1_regulator: ata1-regulator {
> > +                     compatible = "regulator-fixed";
> > +                     reg = <1>;
> > +                     regulator-name = "HDD1";
> > +                     regulator-min-microvolt = <12000000>;
> > +                     regulator-max-microvolt = <12000000>;
> > +                     startup-delay-us = <2000000>;
> > +                     enable-active-high;
> > +                     regulator-always-on;
> > +                     regulator-boot-on;
> > +                     gpio = <&gpio0 8 GPIO_ACTIVE_HIGH>;
> > +             };
> > +
> > +             ata2_regulator: ata2-regulator {
> > +                     compatible = "regulator-fixed";
> > +                     reg = <2>;
> > +                     regulator-name = "HDD2";
> > +                     regulator-min-microvolt = <12000000>;
> > +                     regulator-max-microvolt = <12000000>;
> > +                     startup-delay-us = <4000000>;
> > +                     enable-active-high;
> > +                     regulator-always-on;
> > +                     regulator-boot-on;
> > +                     gpio = <&gpio0 9 GPIO_ACTIVE_HIGH>;
> > +             };
> > +     };
> > +
> > +     gpio_keys {
> > +             compatible = "gpio-keys";
> > +             #address-cells = <1>;
> > +             #size-cells = <0>;
> > +             pinctrl-0 = <&pmx_hdd_present &pmx_buttons>;
> > +             pinctrl-names = "default";
> > +
> > +             hdd1-present {
> > +                     label = "HDD1 Present";
> > +                     linux,code = <KEY_PROG1>;
> > +                     gpios = <&gpio0 11 GPIO_ACTIVE_LOW>;
> > +             };
> > +
> > +             hdd2-present {
> > +                     label = "HDD2 Present";
> > +                     linux,code = <KEY_PROG2>;
> > +                     gpios = <&gpio0 12 GPIO_ACTIVE_LOW>;
> > +
> > +             };
> > +
> > +             power {
> > +                     label = "Power Switch";
> > +                     linux,code = <KEY_POWER>;
> > +                     linux,input-type = <EV_SW>;
> > +                     gpios = <&gpio0 15 GPIO_ACTIVE_LOW>;
> > +             };
> > +
> > +             function {
> > +                     label = "Function Button";
> > +                     linux,code = <KEY_OPTION>;
> > +                     gpios = <&gpio0 16 GPIO_ACTIVE_LOW>;
> > +             };
> > +     };
> > +
> > +     gpio_leds {
> > +             compatible = "gpio-leds";
> > +             pinctrl-names = "default";
> > +             pinctrl-0 = <&pmx_leds1 &pmx_leds2>;
> > +
> > +             system_red {
> > +                     label = "ls421de:red:system";
> > +                     gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
> > +             };
> > +
> > +             led_power: power_white {
> > +                     label = "ls421de:white:power";
> > +                     gpios = <&gpio1 22 GPIO_ACTIVE_HIGH>;
> > +                     default-state = "on";
> > +             };
> > +
> > +             led_failsafe: power_red {
> > +                     label = "ls421de:red:power";
> > +                     gpios = <&gpio1 23 GPIO_ACTIVE_HIGH>;
> > +             };
> > +
> > +             led_upgrade: power_orange {
> > +                     label = "ls421de:orange:power";
> > +                     gpios = <&gpio1 25 GPIO_ACTIVE_HIGH>;
> > +             };
> > +
> > +             led_boot: system_white {
> > +                     label = "ls421de:white:system";
> > +                     gpios = <&gpio1 27 GPIO_ACTIVE_HIGH>;
> > +             };
> > +
> > +             hdd1_red {
> > +                     label = "ls421de:red:hdd1";
> > +                     gpios = <&gpio1 29 GPIO_ACTIVE_HIGH>;
> > +                     default-state = "off";
> > +                     linux,default-trigger = "disk-activity";
> > +             };
> > +
> > +             hdd2_red {
> > +                     label = "ls421de:red:hdd2";
> > +                     gpios = <&gpio1 30 GPIO_ACTIVE_HIGH>;
> > +                     default-state = "off";
> > +                     linux,default-trigger = "disk-activity";
> > +             };
> > +     };
> > +
> > +     /* FIXME: this driver needs to be aware of the LED2 eth phy use,
> > +        which must be set to off state before shutting down the machine */
> > +     restart_poweroff {
> > +             compatible = "restart-poweroff";
> > +     };
> > +
> > +     gpio_fan {
> > +             gpios = <&gpio0 13 GPIO_ACTIVE_HIGH
> > +                     &gpio0 14 GPIO_ACTIVE_HIGH>;
> > +
> > +             alarm-gpios = <&gpio0 10 GPIO_ACTIVE_HIGH>;
> > +     };
> > +};
> > +
> > +&pinctrl {
> > +     pmx_power_usb: pmx-power-usb {
> > +             marvell,pins = "mpp5";
> > +             marvell,function = "gpo";
> > +     };
> > +     pmx_power_hdd1: pmx-power-hdd1 {
> > +             marvell,pins = "mpp8";
> > +             marvell,function = "gpio";
> > +     };
> > +     pmx_power_hdd2: pmx-power-hdd2 {
> > +             marvell,pins = "mpp9";
> > +             marvell,function = "gpo";
> > +     };
> > +     pmx_fan_lock: pmx-fan-lock {
> > +             marvell,pins = "mpp10";
> > +             marvell,function = "gpio";
> > +     };
> > +     pmx_hdd_present: pmx-hdd-present {
> > +             marvell,pins = "mpp11", "mpp12";
> > +             marvell,function = "gpio";
> > +     };
> > +     pmx_fan_high: pmx-fan-high {
> > +             marvell,pins = "mpp13";
> > +             marvell,function = "gpio";
> > +     };
> > +     pmx_fan_low: pmx-fan-low {
> > +             marvell,pins = "mpp14";
> > +             marvell,function = "gpio";
> > +     };
> > +     pmx_buttons: pmx-buttons {
> > +             marvell,pins = "mpp15", "mpp16";
> > +             marvell,function = "gpio";
> > +     };
> > +     pmx_leds1: pmx-leds {
> > +             marvell,pins = "mpp7", "mpp54", "mpp59", "mpp61";
> > +             marvell,function = "gpo";
> > +     };
> > +     pmx_leds2: pmx-leds {
> > +             marvell,pins = "mpp55", "mpp57", "mpp62";
> > +             marvell,function = "gpio";
> > +     };
> > +};
> > +
> > +&rtc {
> > +     status = "disabled";
> > +};
> > +
> > +&pciec {
> > +     status = "okay";
> > +     /* Connected to uPD720202 USB 3.0 Host */
> > +     pcie at 1,0 {
> > +             status = "okay";
> > +     };
> > +     /* Unpopulated miniPCIe slot */
> > +     pcie at 2,0 {
> > +             status = "disabled";
> > +     };
> > +};
> > +
> > +&mdio {
> > +     pinctrl-0 = <&mdio_pins>;
> > +     pinctrl-names = "default";
> > +
> > +     phy0: ethernet-phy at 0 { /* Marvell 88E1518 */
> > +             reg = <0>;
> > +             /* LED2 is used to inform uBoot if the power-switch was slided to
> > +                the "off" position, and then shutdown the machine.
> > +                     Page 0x3, Register 0x10, bit 8:
> > +                             0x800: LED2 off, shutdown the machine
> > +                             0x900: LED2 on, boot the machine                    */
> > +             marvell,reg-init = <0x3 0x10 0x1 0x1991>, /* LED Function */
> > +                                     <0x3 0x11 0x1 0x4401>, /* LED polarity */
> > +                                     <0x3 0x12 0x1 0x4905>; /* LED Timer */
> > +     };
> > +};
> > +
> > +&nand_controller {
> > +     status = "okay";
> > +
> > +     nand at 0 {
> > +             reg = <0>;
> > +             label = "pxa3xx_nand-0";
> > +             nand-rb = <0>;
> > +             marvell,nand-keep-config;
> > +             nand-on-flash-bbt;
> > +             nand-ecc-strength = <4>;
> > +             nand-ecc-step-size = <512>;
> > +
> > +             partitions {
> > +                     compatible = "fixed-partitions";
> > +                     #address-cells = <1>;
> > +                     #size-cells = <1>;
> > +
> > +                     partition at 0 {
> > +                             label = "kernel";
> > +                             reg = <0x00000000 0x02000000>;  /* 32 MiB */
> > +                     };
> > +
> > +                     partition at 2000000 {
> > +                             label = "ubi";
> > +                             reg = <0x02000000 0x1e000000>;  /* 480 MiB */
> > +                     };
> > +             };
> > +     };
> > +};
> > +
> > +&spi0 {
> > +     status = "okay";
> > +     pinctrl-0 = <&spi0_pins2>;
> > +     pinctrl-names = "default";
> > +
> > +     spi-flash at 0 {
> > +             #address-cells = <1>;
> > +             #size-cells = <1>;
> > +             compatible = "mxicy,mx25l8005", "jedec,spi-nor";
> > +             reg = <0>; /* Chip select 0 */
> > +             spi-max-frequency = <50000000>;
> > +
> > +             partitions {
> > +                     compatible = "fixed-partitions";
> > +                     #address-cells = <1>;
> > +                     #size-cells = <1>;
> > +
> > +                     partition at 0 {
> > +                             reg = <0x00000 0xf0000>; /* 960 KiB*/
> > +                             label = "u-boot";
> > +                             read-only;
> > +                     };
> > +                     partition at f0000 {
> > +                             reg = <0xf0000 0x10000>; /* 64 KiB */
> > +                             label = "u-boot-env";
> > +                     };
> > +             };
> > +     };
> > +};
> > diff --git a/target/linux/mvebu/image/Makefile b/target/linux/mvebu/image/Makefile
> > index ef9274866d..3a47878069 100644
> > --- a/target/linux/mvebu/image/Makefile
> > +++ b/target/linux/mvebu/image/Makefile
> > @@ -40,6 +40,20 @@ define Build/boot-img-ext4
> >       make_ext4fs -J -L kernel -l $(CONFIG_TARGET_KERNEL_PARTSIZE)M $@.bootimg $@.boot
> >  endef
> >
> > +define Build/buffalo-kernel-jffs2
> > +     rm -rf $(KDIR)/kernel_jffs2 $@.fakerd
> > +     mkdir -p $(KDIR)/kernel_jffs2
> > +     dd if=/dev/zero of=$@.fakerd bs=131008 count=1 conv=sync
> > +     $(STAGING_DIR_HOST)/bin/mkimage \
> > +             -T ramdisk -A $(LINUX_KARCH) -O linux -C gzip -n 'fake initrd' \
> > +             -d $@.fakerd $(KDIR)/kernel_jffs2/initrd.buffalo
> > +     cp $@ $(KDIR)/kernel_jffs2/uImage.buffalo
> > +     $(STAGING_DIR_HOST)/bin/mkfs.jffs2 \
> > +             --little-endian -v --squash-uids -q -f -n -x lzma -x rtime -m none \
> > +             --eraseblock=128KiB --pad=$(KERNEL_SIZE) -d $(KDIR)/kernel_jffs2 -o $@
> > +     rm -rf $(KDIR)/kernel_jffs2 $@.fakerd
> > +endef
> > +
> >  define Build/sdcard-img
> >       SIGNATURE="$(IMG_PART_SIGNATURE)" \
> >       ./gen_mvebu_sdcard_img.sh $@ \
> > diff --git a/target/linux/mvebu/image/cortexa9.mk b/target/linux/mvebu/image/cortexa9.mk
> > index 85bfa94dbd..a3f9249191 100644
> > --- a/target/linux/mvebu/image/cortexa9.mk
> > +++ b/target/linux/mvebu/image/cortexa9.mk
> > @@ -6,6 +6,25 @@
> >  # See /LICENSE for more information.
> >  #
> >
> > +define Device/buffalo_ls421de
> > +  $(Device/NAND-128K)
> > +  DEVICE_VENDOR := Buffalo
> > +  DEVICE_MODEL := LinkStation LS421DE
> > +  SUBPAGESIZE :=
> > +  KERNEL_SIZE := 33554432
> > +  FILESYSTEMS := squashfs ubifs
>
> FILESYSTEMS += ubifs
>
> > +  KERNEL := kernel-bin | append-dtb |  uImage none | buffalo-kernel-jffs2
>
>                                         ^ double space
>
> > +  KERNEL_INITRAMFS := kernel-bin | append-dtb |  uImage none
>
>                                                   ^ double space
>
> > +  IMAGES := factory.bin sysupgrade.bin
>
> IMAGES += factory.bin
>
> > +  IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
> > +  DEVICE_DTS := armada-370-buffalo-ls421de
> > +  SUPPORTED_DEVICES += ls421de
>
> This is not needed.
>
> > +  DEVICE_PACKAGES :=  \
> > +    kmod-rtc-rs5c372a kmod-hwmon-gpiofan kmod-fs-xfs kmod-nls-cp437 \
> > +    kmod-nls-iso8859-1 mkf2fs e2fsprogs partx-utils
>
> Since You removed VFAT, I assume kmod-nls-cp437 and kmod-nls-iso8859-1 are
> not needed.
>
> > +endef
> > +  TARGET_DEVICES += buffalo_ls421de
>
> Remove indendation.
>
> > +
> >  define Device/cznic_turris-omnia
> >    DEVICE_VENDOR := CZ.NIC
> >    DEVICE_MODEL := Turris Omnia
> >
>
> Regards, Tomasz.
>
> --
> TMN

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