[PATCH] arm: mvebu: Add support for Thecus N2350 (Armada 385) board

Pali Rohár pali at kernel.org
Sun Jan 29 02:36:36 CET 2023


Hello!

On Saturday 28 January 2023 16:17:32 Tony Dinh wrote:
> Hi Pali,
> 
> On Sat, Jan 28, 2023 at 5:00 AM Pali Rohár <pali at kernel.org> wrote:
> >
> > Hello! It is nice to see support for another A385 board!
> > I have few comments, see below...
> >
> > On Friday 27 January 2023 20:47:10 Tony Dinh wrote:
> > > Thecus N2350 is a NAS based on Marvell Armada 385 SoC.
> > >
> > > Specification:
> > >
> > > - Processor: Marvel MV88F6820 Dual Core at 1GHz
> > > - 1 GiB DDR4 RAM
> > > - 4MB Macronix mx25l3205d SPI flash
> > > - 512MB Hynix H27U4G8F2DTR-BC NAND flash
> > > - I2C
> > > - 2x USB 3.0
> > > - 1x GBE LAN port (PHY: Marvell 88E1510)
> > > - 2x SATA (hot swap slots)
> > > - 3x buttons
> > > - 10x LEDS
> > > - serial console
> > >
> > > Signed-off-by: Tony Dinh <mibodhi at gmail.com>
> > > ---
> > >
> > >  arch/arm/dts/Makefile                         |   1 +
> > >  .../dts/armada-385-thecus-n2350-u-boot.dtsi   |   5 +
> > >  arch/arm/dts/armada-385-thecus-n2350.dts      | 451 ++++++++++++++++++
> > >  arch/arm/mach-mvebu/Kconfig                   |  12 +
> > >  board/thecus/n2350/MAINTAINERS                |   6 +
> > >  board/thecus/n2350/Makefile                   |   6 +
> > >  board/thecus/n2350/n2350.c                    | 134 ++++++
> > >  configs/n2350_defconfig                       |  93 ++++
> > >  include/configs/n2350.h                       |  65 +++
> > >  9 files changed, 773 insertions(+)
> > >  create mode 100644 arch/arm/dts/armada-385-thecus-n2350-u-boot.dtsi
> > >  create mode 100644 arch/arm/dts/armada-385-thecus-n2350.dts
> > >  create mode 100644 board/thecus/n2350/MAINTAINERS
> > >  create mode 100644 board/thecus/n2350/Makefile
> > >  create mode 100644 board/thecus/n2350/n2350.c
> > >  create mode 100644 configs/n2350_defconfig
> > >  create mode 100644 include/configs/n2350.h
> > >
> > > diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
> > > index 3ecd6a86e9..c5d1825a3b 100644
> > > --- a/arch/arm/dts/Makefile
> > > +++ b/arch/arm/dts/Makefile
> > > @@ -245,6 +245,7 @@ dtb-$(CONFIG_ARCH_MVEBU) +=                       \
> > >       armada-385-atl-x530.dtb                 \
> > >       armada-385-atl-x530DP.dtb               \
> > >       armada-385-db-88f6820-amc.dtb           \
> > > +     armada-385-thecus-n2350.dtb             \
> > >       armada-385-turris-omnia.dtb             \
> > >       armada-388-clearfog.dtb                 \
> > >       armada-388-gp.dtb                       \
> > > diff --git a/arch/arm/dts/armada-385-thecus-n2350-u-boot.dtsi b/arch/arm/dts/armada-385-thecus-n2350-u-boot.dtsi
> > > new file mode 100644
> > > index 0000000000..0b818705cf
> > > --- /dev/null
> > > +++ b/arch/arm/dts/armada-385-thecus-n2350-u-boot.dtsi
> > > @@ -0,0 +1,5 @@
> > > +// SPDX-License-Identifier: GPL-2.0+
> > > +/*
> > > + * Copyright (C) 2023 Tony Dinh <mibodhi at gmail.com>
> > > + */
> > > +#include "mvebu-u-boot.dtsi"
> >
> > If you have only #include "mvebu-u-boot.dtsi" line in your -u-boot.dtsi
> > file then this -u-boot.dtsi file should not be needed at all. Because
> > U-Boot build process include it automatically when board -u-boot.dtsi
> > does not exits.
> 
> I see. So that must be part of a Make file somewhere?

Yes, Tom mentioned it in past, see email discussion:
https://lore.kernel.org/u-boot/20220802121113.GG1146598@bill-the-cat/

> I have another
> patch for Kirkwood boards -uboot.dtsi coming and I'm thinking about
> making it automatic, too, if possible.

I think that kirkwood soc would use kirkwood-u-boot.dtsi. file... But it
needs to be checked.

> > > diff --git a/arch/arm/dts/armada-385-thecus-n2350.dts b/arch/arm/dts/armada-385-thecus-n2350.dts
> > > new file mode 100644
> > > index 0000000000..5632d82510
> > > --- /dev/null
> > > +++ b/arch/arm/dts/armada-385-thecus-n2350.dts
> >
> > Could you send DTS file also into Linux kernel?
> 
> Yes, as soon as this board gets merged here, I will send the DTS to
> Linux kernel.

Perfect!

> >
> > > @@ -0,0 +1,451 @@
> > > +// SPDX-License-Identifier: (GPL-2.0 OR MIT)
> > > +/*
> > > + * Device Tree file for Thecus N2350 board
> > > + *
> > > + * Copyright (C) 2018-2023 Tony Dinh <mibodhi at gmail.com>
> > > + * Copyright (C) 2018 Manuel Jung <manuel.jung at hotmail.com>
> > > + */
> > > +
> > > +/dts-v1/;
> > > +#include <dt-bindings/input/input.h>
> > > +#include <dt-bindings/gpio/gpio.h>
> > > +#include "armada-385.dtsi"
> > > +
> > > +/ {
> > > +     model = "Thecus N2350";
> > > +     compatible = "thecus,n2350", "marvell,a385-db", "marvell,armada388",
> > > +             "marvell,armada385", "marvell,armada380";
> >
> > As it is Armada 385 board, you should not have there "marvell,armada388"
> > and also you should not have there "marvell,a385-db" which refers to the
> > Marvell Development Board (different one).
> 
> OK.
> 
> > > +
> > > +     aliases {
> > > +             ethernet0 = &eth0;
> > > +     };
> > > +
> > > +     chosen {
> > > +             stdout-path = "serial0:115200n8";
> > > +     };
> > > +
> > > +     memory {
> > > +             device_type = "memory";
> > > +             reg = <0x00000000 0x40000000>; /* 1GB */
> > > +     };
> > > +
> > > +     soc {
> > > +             ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000
> > > +                       MBUS_ID(0x01, 0x1d) 0 0xfff00000 0x100000
> > > +                       MBUS_ID(0x09, 0x19) 0 0xf1100000 0x10000
> > > +                       MBUS_ID(0x09, 0x15) 0 0xf1110000 0x10000
> > > +                       MBUS_ID(0x0c, 0x04) 0 0xf1200000 0x100000>;
> > > +
> > > +             internal-regs {
> > > +                     i2c at 11000 {
> > > +                             status = "okay";
> > > +                             clock-frequency = <100000>;
> > > +                     };
> > > +
> > > +                     i2c at 11100 {
> > > +                             status = "okay";
> > > +                             clock-frequency = <100000>;
> > > +                     };
> >
> > These two nodes have &i2c0 and &i2c1 pointers defined in armada-38x.dtsi
> > so you can move them out of the internal-regs. Like you did for &spi1
> > and &nand_controller.
> >
> > > +
> > > +                     serial at 12000 {
> > > +                             status = "okay";
> > > +                     };
> >
> > Same for &uart0
> >
> > > +
> > > +                     usb at 58000 {
> > > +                             status = "ok";
> >
> > status = "ok" is ignored. Correct is "okay".
> >
> > > +                     };
> >
> > And it has &usb0.
> >
> > > +
> > > +                     ethernet at 70000 {
> > > +                             status = "okay";
> > > +                             phy = <&phy0>;
> > > +                             phy-mode = "sgmii";
> > > +                             buffer-manager = <&bm>;
> > > +                             bm,pool-long = <0>;
> > > +                             bm,pool-short = <1>;
> > > +                     };
> >
> > &eth0
> >
> > > +
> > > +                     mdio at 72004 {
> > > +                             phy0: ethernet-phy at 0 {
> > > +                                     reg = <1>;
> > > +                             };
> > > +                     };
> >
> > &mdio
> >
> > > +
> > > +                     sata at a8000 {
> > > +                             status = "okay";
> > > +                     };
> >
> > &ahci0
> >
> > > +
> > > +                     bm at c8000 {
> > > +                             status = "okay";
> > > +                     };
> >
> > &bm
> >
> > > +
> > > +                     pinctrl at 18000 {
> >
> > Could you sort device nodes by addresses? It is common to define nodes
> > in ascending order.
> >
> > Also it has &pinctrl
> 
> Thanks for these comments! as you can see this DTS is quite old :) I
> wrote it long ago and then not really paid any attention to
> modernizing it.
> 
> >
> > > +                             pinctrl-names = "default";
> > > +
> > > +                             pmx_power_button: pmx_power-button {
> >
> > IIRC convention for device node name is to use only hyphens and for DTS
> > pointers only underscore. So it should be something like this:
> >
> >     pmx_power_button: pmx-power-button {
> >     ...
> >     };
> 
> Oo. My bad, I knew that :)
> 
> >
> > > +                                     marvell,pins = "mpp49";
> > > +                                     marvell,function = "gpio";
> > > +                             };
> > > +
> > > +                             pmx_copy_button: pmx_copy-button {
> > > +                                     marvell,pins = "mpp52";
> > > +                                     marvell,function = "gpio";
> > > +                             };
> > > +
> > > +                             pmx_reset_button: pmx_reset-button {
> > > +                                     marvell,pins = "mpp50";
> > > +                                     marvell,function = "gpio";
> > > +                             };
> > > +
> > > +                             pmx_sata1_white_led: pmx_sata1_white_led {
> > > +                                     marvell,pins = "mpp20";
> > > +                                     marvell,function = "gpio";
> > > +                             };
> > > +
> > > +                             pmx_sata1_red_led: pmx_sata1_red_led {
> > > +                                     marvell,pins = "mpp46";
> > > +                                     marvell,function = "gpio";
> > > +                             };
> > > +
> > > +                             pmx_sata2_white_led: pmx_sata2_white_led {
> > > +                                     marvell,pins = "mpp19";
> > > +                                     marvell,function = "gpio";
> > > +                             };
> > > +
> > > +                             pmx_sata2_red_led: pmx_sata2_red_led {
> > > +                                     marvell,pins = "mpp47";
> > > +                                     marvell,function = "gpio";
> > > +                             };
> > > +
> > > +                             pmx_sys_white_led: pmx_sys_white_led {
> > > +                                     marvell,pins = "mpp14";
> > > +                                     marvell,function = "gpio";
> > > +                             };
> > > +
> > > +                             pmx_sys_red_led: pmx_sys_red_led {
> > > +                                     marvell,pins = "mpp15";
> > > +                                     marvell,function = "gpio";
> > > +                             };
> > > +
> > > +                             pmx_buzzer: pmx_buzzer {
> > > +                                     marvell,pins = "mpp51";
> > > +                                     marvell,function = "gpio";
> > > +                             };
> > > +
> > > +                             pmx_pwr_off: pmx-pwr-off {
> > > +                                     marvell,pins = "mpp54";
> > > +                                     marvell,function = "gpio";
> > > +                             };
> > > +
> > > +                             pmx_pwr_blue_led: pmx_pwr_blue_led {
> > > +                                     marvell,pins = "mpp43";
> > > +                                     marvell,function = "gpio";
> > > +                             };
> > > +
> > > +                             pmx_pwr_red_led: pmx_pwr_red_led {
> > > +                                     marvell,pins = "mpp18";
> > > +                                     marvell,function = "gpio";
> > > +                             };
> > > +
> > > +                             pmx_usb_white_led: pmx_usb_white_led {
> > > +                                     marvell,pins = "mpp16";
> > > +                                     marvell,function = "gpio";
> > > +                             };
> > > +
> > > +                             pmx_usb_red_led: pmx_usb_red_led {
> > > +                                     marvell,pins = "mpp17";
> > > +                                     marvell,function = "gpio";
> > > +                             };
> > > +                     };
> > > +
> > > +                     sdhci at d8000 {
> > > +                             broken-cd;
> > > +                             wp-inverted;
> > > +                             bus-width = <8>;
> > > +                             status = "okay";
> > > +                             no-1-8-v;
> > > +                     };
> >
> > &sdhci
> >
> > > +
> > > +                     usb3 at f0000 {
> > > +                             status = "okay";
> > > +                     };
> >
> > &usb3_0
> >
> > > +
> > > +                     usb3 at f8000 {
> > > +                             status = "okay";
> > > +                     };
> >
> > &usb3_1
> >
> > > +
> > > +             };
> > > +
> > > +             bm-bppi {
> > > +                     status = "okay";
> > > +             };
> >
> > &bm_bppi
> >
> > > +
> > > +             pcie {
> > > +                     status = "okay";
> > > +                     /*
> > > +                      * The two PCIe units are accessible through
> > > +                      * standard PCIe slots on the board.
> > > +                      */
> > > +                     pcie at 1,0 {
> > > +                             /* Port 0, Lane 0 */
> > > +                             status = "okay";
> > > +                     };
> > > +                     pcie at 2,0 {
> > > +                             /* Port 1, Lane 0 */
> > > +                             status = "okay";
> > > +                     };
> > > +             };
> > > +
> > > +     };
> > > +
> > > +     usb3_0_phy: usb3_0_phy {
> > > +             compatible = "usb-nop-xceiv";
> > > +             vcc-supply = <&usb3_0_power>;
> > > +     };
> > > +
> > > +     usb3_1_phy: usb3_1_phy {
> > > +             compatible = "usb-nop-xceiv";
> > > +             vcc-supply = <&usb3_1_power>;
> > > +     };
> > > +
> > > +     gpio-keys {
> > > +             compatible = "gpio-keys";
> > > +             #address-cells = <1>;
> > > +             #size-cells = <0>;
> > > +             pinctrl-0 = <&pmx_power_button &pmx_copy_button &pmx_reset_button>;
> > > +             pinctrl-names = "default";
> > > +
> > > +             button at 1 {
> > > +                     label = "Power Button";
> > > +                     linux,code = <KEY_POWER>;
> > > +                     gpios = <&gpio1 17 GPIO_ACTIVE_HIGH>;
> > > +             };
> > > +
> > > +             button at 2 {
> > > +                     label = "Copy Button";
> > > +                     linux,code = <KEY_COPY>;
> > > +                     gpios = <&gpio1 20 GPIO_ACTIVE_HIGH>;
> > > +             };
> > > +
> > > +             button at 3 {
> > > +                     label = "Reset Button";
> > > +                     linux,code = <KEY_RESTART>;
> > > +                     gpios = <&gpio1 18 GPIO_ACTIVE_HIGH>;
> > > +             };
> > > +     };
> > > +
> > > +     gpio-leds {
> > > +             compatible = "gpio-leds";
> > > +             pinctrl-0 = <&pmx_sata1_white_led
> > > +                             &pmx_sata1_red_led
> > > +                             &pmx_sata2_white_led
> > > +                             &pmx_sata2_red_led
> > > +                             &pmx_sys_white_led
> > > +                             &pmx_sys_red_led
> > > +                             &pmx_pwr_blue_led
> > > +                             &pmx_pwr_red_led
> > > +                             &pmx_usb_white_led
> > > +                             &pmx_usb_red_led>;
> > > +
> > > +             pinctrl-names = "default";
> > > +
> > > +             white_sata1 {
> > > +                     label = "n2350:white:sata1";
> > > +                     gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>;
> > > +                     linux,default-trigger = "ide-disk1";
> > > +             };
> > > +
> > > +             red_sata1 {
> > > +                     label = "n2350:red:sata1";
> > > +                     gpios = <&gpio1 14 GPIO_ACTIVE_HIGH>;
> > > +             };
> > > +
> > > +             white-sata2 {
> > > +                     label = "n2350:white:sata2";
> > > +                     gpios = <&gpio0 19 GPIO_ACTIVE_HIGH>;
> > > +             };
> > > +
> > > +             red-sata2 {
> > > +                     label = "n2350:red:sata2";
> > > +                     gpios = <&gpio1 15 GPIO_ACTIVE_HIGH>;
> > > +             };
> > > +
> > > +             white-sys {
> > > +                     label = "n2350:white:sys";
> > > +                     gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>;
> > > +                     linux,default-trigger = "default-on";
> > > +             };
> > > +
> > > +             red-sys {
> > > +                     label = "n2350:red:sys";
> > > +                     gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>;
> > > +             };
> > > +
> > > +             blue-pwr {
> > > +                     label = "n2350:blue:pwr";
> > > +                     gpios = <&gpio1 11 GPIO_ACTIVE_HIGH>;
> > > +             };
> > > +
> > > +             red-pwr {
> > > +                     label = "n2350:red:pwr";
> > > +                     gpios = <&gpio0 18 GPIO_ACTIVE_HIGH>;
> > > +             };
> > > +
> > > +             white-usb {
> > > +                     label = "n2350:white:usb";
> > > +                     gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>;
> > > +             };
> > > +
> > > +             red-usb {
> > > +                     label = "n2350:red:usb";
> > > +                     gpios = <&gpio0 17 GPIO_ACTIVE_HIGH>;
> > > +             };
> > > +     };
> > > +
> > > +     regulators {
> > > +             compatible = "simple-bus";
> > > +             #address-cells = <1>;
> > > +             #size-cells = <0>;
> > > +
> > > +             usb3_0_power: regulator at 1 {
> > > +                     compatible = "regulator-fixed";
> > > +                     reg = <1>;
> > > +                     regulator-name = "USB3_0_Power";
> > > +                     regulator-min-microvolt = <5000000>;
> > > +                     regulator-max-microvolt = <5000000>;
> > > +                     enable-active-high;
> > > +                     regulator-always-on;
> > > +                     regulator-boot-on;
> > > +                     gpio = <&gpio0 21 GPIO_ACTIVE_HIGH>;
> > > +             };
> > > +
> > > +             usb3_1_power: regulator at 2 {
> > > +                     compatible = "regulator-fixed";
> > > +                     reg = <1>;
> > > +                     regulator-name = "USB3_1_Power";
> > > +                     regulator-min-microvolt = <5000000>;
> > > +                     regulator-max-microvolt = <5000000>;
> > > +                     enable-active-high;
> > > +                     regulator-always-on;
> > > +                     regulator-boot-on;
> > > +                     gpio = <&gpio0 24 GPIO_ACTIVE_HIGH>;
> > > +             };
> > > +
> > > +             reg_sata0: regulator at 3 {
> > > +                     compatible = "regulator-fixed";
> > > +                     regulator-name = "pwr_en_sata0";
> > > +                     regulator-min-microvolt = <12000000>;
> > > +                     regulator-max-microvolt = <12000000>;
> > > +                     enable-active-high;
> > > +                     regulator-always-on;
> > > +                     regulator-boot-on;
> > > +                     gpio = <&gpio1 12 GPIO_ACTIVE_HIGH>;
> > > +             };
> > > +
> > > +             reg_5v_sata0: v5-sata0 {
> > > +                     compatible = "regulator-fixed";
> > > +                     regulator-name = "v5.0-sata0";
> > > +                     regulator-min-microvolt = <5000000>;
> > > +                     regulator-max-microvolt = <5000000>;
> > > +                     vin-supply = <&reg_sata0>;
> > > +             };
> > > +
> > > +             reg_12v_sata0: v12-sata0 {
> > > +                     compatible = "regulator-fixed";
> > > +                     regulator-name = "v12.0-sata0";
> > > +                     regulator-min-microvolt = <12000000>;
> > > +                     regulator-max-microvolt = <12000000>;
> > > +                     vin-supply = <&reg_sata0>;
> > > +             };
> > > +
> > > +             reg_sata1: regulator at 4 {
> > > +                     regulator-name = "pwr_en_sata1";
> > > +                     compatible = "regulator-fixed";
> > > +                     regulator-min-microvolt = <12000000>;
> > > +                     regulator-max-microvolt = <12000000>;
> > > +                     enable-active-high;
> > > +                     regulator-always-on;
> > > +                     regulator-boot-on;
> > > +                     gpio = <&gpio1 13 GPIO_ACTIVE_HIGH>;
> > > +             };
> > > +
> > > +             reg_5v_sata1: v5-sata1 {
> > > +                     compatible = "regulator-fixed";
> > > +                     regulator-name = "v5.0-sata1";
> > > +                     regulator-min-microvolt = <5000000>;
> > > +                     regulator-max-microvolt = <5000000>;
> > > +                     vin-supply = <&reg_sata1>;
> > > +             };
> > > +
> > > +             reg_12v_sata1: v12-sata1 {
> > > +                     compatible = "regulator-fixed";
> > > +                     regulator-name = "v12.0-sata1";
> > > +                     regulator-min-microvolt = <12000000>;
> > > +                     regulator-max-microvolt = <12000000>;
> > > +                     vin-supply = <&reg_sata1>;
> > > +             };
> > > +
> > > +     };
> > > +
> > > +     gpio-poweroff {
> > > +             compatible = "gpio-poweroff";
> > > +             pinctrl-0 = <&pmx_pwr_off>;
> > > +             pinctrl-names = "default";
> > > +             gpios = <&gpio1 22 GPIO_ACTIVE_HIGH>;
> > > +     };
> > > +
> > > +};
> > > +
> > > +&spi1 {
> > > +     pinctrl-names = "default";
> > > +     pinctrl-0 = <&spi1_pins>;
> > > +     status = "okay";
> > > +
> > > +     /* spi: 4M Flash Macronix MX25L3205D */
> > > +     spi-flash at 0 {
> > > +             #address-cells = <1>;
> > > +             #size-cells = <0>;
> > > +             compatible = "macronix,mx25l3205d", "jedec,spi-nor";
> > > +             reg = <0>;
> > > +
> > > +             spi-max-frequency = <108000000>;
> > > +             spi-cpha;
> > > +
> > > +             partition at 0 {
> > > +                     label = "U-Boot-img";
> > > +                     reg = <0x00000000 0x00100000>;
> > > +             };
> > > +
> > > +             partition at 100000 {
> > > +                     label = "U-Boot-env";
> > > +                     reg = <0x00100000 0x00010000>;
> > > +             };
> >
> > Personally, I would use labels "u-boot" and "u-boot-env". But I'm not
> > sure what others think...
> 
> Sure. Those were stock FW labels carried over. I also think "u-boot"
> and "u-boot-env" are better.
> 
> > > +     };
> > > +
> > > +};
> > > +
> > > +&nand_controller {
> > > +     status = "okay";
> > > +
> > > +     nand at 0 {
> > > +             status = "okay";
> > > +             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 = "ubifs";
> > > +                             reg = <0x00000000 0x20000000>;
> > > +                     };
> > > +
> > > +             };
> > > +     };
> > > +};
> > > diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig
> > > index 594e9a03d9..f3c3d2a7d9 100644
> > > --- a/arch/arm/mach-mvebu/Kconfig
> > > +++ b/arch/arm/mach-mvebu/Kconfig
> > > @@ -97,6 +97,10 @@ config 88F6820
> > >  config CUSTOMER_BOARD_SUPPORT
> > >       bool
> > >
> > > +config DDR4
> > > +     bool "Support Marvell DDR4 Training driver"
> > > +     default false
> >
> > "default false" is not needed, All unspecified values are false by
> > default.
> 
> OK.
> 
> > > +
> > >  choice
> > >       prompt "Armada XP/375/38x/3700/7K/8K/Alleycat-5 board select"
> > >       optional
> > > @@ -175,6 +179,11 @@ config TARGET_MAXBCM
> > >       select BOARD_ECC_SUPPORT
> > >       select MV78460
> > >
> > > +config TARGET_N2350
> > > +     bool "Support Thecus N2350"
> > > +     select 88F6820
> > > +     select DDR4
> > > +
> > >  config TARGET_THEADORABLE
> > >       bool "Support theadorable Armada XP"
> > >       select BOARD_LATE_INIT if USB
> > > @@ -257,6 +266,7 @@ config SYS_BOARD
> > >       default "db-mv784mp-gp" if TARGET_DB_MV784MP_GP
> > >       default "ds414" if TARGET_DS414
> > >       default "maxbcm" if TARGET_MAXBCM
> > > +     default "n2350" if TARGET_N2350
> > >       default "theadorable" if TARGET_THEADORABLE
> > >       default "a38x" if TARGET_CONTROLCENTERDC
> > >       default "x530" if TARGET_X530
> > > @@ -276,6 +286,7 @@ config SYS_CONFIG_NAME
> > >       default "db-mv784mp-gp" if TARGET_DB_MV784MP_GP
> > >       default "ds414" if TARGET_DS414
> > >       default "maxbcm" if TARGET_MAXBCM
> > > +     default "n2350" if TARGET_N2350
> > >       default "theadorable" if TARGET_THEADORABLE
> > >       default "turris_omnia" if TARGET_TURRIS_OMNIA
> > >       default "turris_mox" if TARGET_TURRIS_MOX
> > > @@ -298,6 +309,7 @@ config SYS_VENDOR
> > >       default "solidrun" if TARGET_CLEARFOG
> > >       default "kobol" if TARGET_HELIOS4
> > >       default "Synology" if TARGET_DS414
> > > +     default "thecus" if TARGET_N2350
> > >       default "CZ.NIC" if TARGET_TURRIS_OMNIA
> > >       default "CZ.NIC" if TARGET_TURRIS_MOX
> > >       default "gdsys" if TARGET_CONTROLCENTERDC
> > > diff --git a/board/thecus/n2350/MAINTAINERS b/board/thecus/n2350/MAINTAINERS
> > > new file mode 100644
> > > index 0000000000..27cf238225
> > > --- /dev/null
> > > +++ b/board/thecus/n2350/MAINTAINERS
> > > @@ -0,0 +1,6 @@
> > > +N2350  BOARD
> > > +M:   Tony Dinh <mibodhi at gmail.com>
> > > +S:   Maintained
> > > +F:   board/thecus/n2350/
> > > +F:   include/configs/n2350.h
> > > +F:   configs/n2350_defconfig
> > > diff --git a/board/thecus/n2350/Makefile b/board/thecus/n2350/Makefile
> > > new file mode 100644
> > > index 0000000000..b220bb1925
> > > --- /dev/null
> > > +++ b/board/thecus/n2350/Makefile
> > > @@ -0,0 +1,6 @@
> > > +# SPDX-License-Identifier: GPL-2.0+
> > > +#
> > > +# Copyright (C) 2023 Tony Dinh <mibodhi at gmail.com>
> > > +#
> > > +
> > > +obj-y        := n2350.o
> > > diff --git a/board/thecus/n2350/n2350.c b/board/thecus/n2350/n2350.c
> > > new file mode 100644
> > > index 0000000000..4d3c49ba80
> > > --- /dev/null
> > > +++ b/board/thecus/n2350/n2350.c
> > > @@ -0,0 +1,134 @@
> > > +// SPDX-License-Identifier: GPL-2.0+
> > > +/*
> > > + * Copyright (C) 2023 Tony Dinh <mibodhi at gmail.com>
> > > + *
> > > + */
> > > +
> > > +#include <common.h>
> > > +#include <i2c.h>
> > > +#include <miiphy.h>
> > > +#include <netdev.h>
> > > +#include <asm/io.h>
> > > +#include <asm/arch/cpu.h>
> > > +#include <asm/arch/soc.h>
> > > +#include <linux/bitops.h>
> > > +
> > > +#include "../drivers/ddr/marvell/a38x/ddr3_init.h"
> > > +#include <../serdes/a38x/high_speed_env_spec.h>
> > > +
> > > +DECLARE_GLOBAL_DATA_PTR;
> > > +
> > > +/*
> > > + * Those N2350_GPP_xx values and defines in board_serdes_map, and board_topology_map
> > > + * are taken from the Marvell U-Boot version "u-boot-a38x-2015T1_p18_Thecus"
> > > + */
> > > +
> > > +#define N2350_GPP_OUT_ENA_LOW        (~(BIT(20) | BIT(21) | BIT(24)))
> > > +#define N2350_GPP_OUT_ENA_MID        (~(BIT(12) | BIT(13) | BIT(16) | BIT(19) | BIT(22)))
> > > +#define N2350_GPP_OUT_VAL_LOW        0x1200000
> > > +#define N2350_GPP_OUT_VAL_MID        0x1001
> > > +#define N2350_GPP_POL_LOW    0x0
> > > +#define N2350_GPP_POL_MID    0x0
> > > +
> > > +static struct serdes_map board_serdes_map[] = {
> > > +     { SGMII0, SERDES_SPEED_1_25_GBPS, SERDES_DEFAULT_MODE, 0, 0},
> > > +     { SATA0,  SERDES_SPEED_3_GBPS, SERDES_DEFAULT_MODE, 0, 0},
> > > +     { SATA1,  SERDES_SPEED_3_GBPS, SERDES_DEFAULT_MODE, 0, 0},
> > > +     { DEFAULT_SERDES, SERDES_SPEED_5_GBPS, SERDES_DEFAULT_MODE, 0, 0},
> > > +     { USB3_HOST0, SERDES_SPEED_5_GBPS, SERDES_DEFAULT_MODE, 0, 0},
> > > +     { USB3_HOST1, SERDES_SPEED_5_GBPS, SERDES_DEFAULT_MODE, 0, 0},
> > > +};
> > > +
> > > +int hws_board_topology_load(struct serdes_map **serdes_map_array, u8 *count)
> > > +{
> > > +     *serdes_map_array = board_serdes_map;
> > > +     *count = ARRAY_SIZE(board_serdes_map);
> > > +     return 0;
> > > +}
> > > +
> > > +/*
> > > + * Define the DDR layout / topology here in the board file. This will
> > > + * be used by the DDR4 init code in the SPL U-Boot version to configure
> > > + * the DDR4 controller.
> > > + */
> > > +
> > > +static struct mv_ddr_topology_map board_topology_map = {
> > > +     DEBUG_LEVEL_ERROR,
> > > +     0x1, /* active interfaces */
> > > +     /* cs_mask, mirror, dqs_swap, ck_swap X PUPs */
> > > +     { { { {0x1, 0, 0, 0},
> > > +           {0x1, 0, 0, 0},
> > > +           {0x1, 0, 0, 0},
> > > +           {0x1, 0, 0, 0},
> > > +           {0x1, 0, 0, 0} },
> > > +         SPEED_BIN_DDR_1866L,        /* speed_bin */
> > > +         MV_DDR_DEV_WIDTH_16BIT,     /* memory_width - 16 bits */
> > > +         MV_DDR_DIE_CAP_4GBIT,       /* mem_size - N2350 board has 2x512MB DRAM banks */
> > > +         MV_DDR_FREQ_800,            /* frequency */
> > > +         0, 0,                       /* cas_wl cas_l */
> > > +         MV_DDR_TEMP_LOW,            /* temperature */
> > > +         MV_DDR_TIM_DEFAULT} },      /* timing */
> > > +     BUS_MASK_32BIT,                 /* Busses mask */
> > > +     MV_DDR_CFG_DEFAULT,             /* ddr configuration data source */
> > > +     NOT_COMBINED,                   /* ddr twin-die combined */
> > > +     { {0} },                        /* raw spd data */
> > > +     {0}                             /* timing parameters */
> > > +};
> > > +
> > > +struct mv_ddr_topology_map *mv_ddr_topology_map_get(void)
> > > +{
> > > +     /* Return the board topology as defined in the board code */
> > > +     return &board_topology_map;
> > > +}
> > > +
> > > +int board_early_init_f(void)
> > > +{
> > > +     /* Those MPP values are taken from the Marvell U-Boot version
> > > +      * "u-boot-a38x-2015T1_p18_Thecus"
> > > +      */
> > > +
> > > +     /* Configure MPP */
> > > +     writel(0x50111111, MVEBU_MPP_BASE + 0x00);      /* MPP0_7 */
> > > +     writel(0x00555555, MVEBU_MPP_BASE + 0x04);      /* MPP8_15 */
> > > +     writel(0x55000000, MVEBU_MPP_BASE + 0x08);      /* MPP16_23 */
> > > +     writel(0x05050050, MVEBU_MPP_BASE + 0x0c);      /* MPP24_31 */
> > > +     writel(0x05555555, MVEBU_MPP_BASE + 0x10);      /* MPP32_39 */
> > > +     writel(0x00000565, MVEBU_MPP_BASE + 0x14);      /* MPP40_47 */
> > > +     writel(0x00000000, MVEBU_MPP_BASE + 0x18);      /* MPP48_55 */
> > > +     writel(0x00004444, MVEBU_MPP_BASE + 0x1c);      /* MPP56_63 */
> > > +
> > > +     /* Set GPP Out value */
> > > +     writel(N2350_GPP_OUT_VAL_LOW, MVEBU_GPIO0_BASE + 0x00);
> > > +     writel(N2350_GPP_OUT_VAL_MID, MVEBU_GPIO1_BASE + 0x00);
> > > +
> > > +     /* Set GPP Polarity */
> > > +     writel(N2350_GPP_POL_LOW, MVEBU_GPIO0_BASE + 0x0c);
> > > +     writel(N2350_GPP_POL_MID, MVEBU_GPIO1_BASE + 0x0c);
> > > +
> > > +     /* Set GPP Out Enable */
> > > +     writel(N2350_GPP_OUT_ENA_LOW, MVEBU_GPIO0_BASE + 0x04);
> > > +     writel(N2350_GPP_OUT_ENA_MID, MVEBU_GPIO1_BASE + 0x04);
> > > +
> > > +     return 0;
> > > +}
> > > +
> > > +int board_init(void)
> > > +{
> > > +     /* Address of boot parameters */
> > > +     gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
> > > +
> > > +     return 0;
> > > +}
> > > +
> > > +int checkboard(void)
> > > +{
> > > +     puts("Board: Thecus N2350\n");
> > > +
> > > +     return 0;
> > > +}
> >
> > I think that checkboard() function is not needed here. It does not check
> > for anything (always returns 0) and printing board name is done by
> > common u-boot function show_board_info().
> 
> OK.
> 
> >
> > > +
> > > +int board_eth_init(struct bd_info *bis)
> > > +{
> > > +     cpu_eth_init(bis); /* Built in controller(s) come first */
> > > +     return pci_eth_init(bis);
> > > +}
> > > diff --git a/configs/n2350_defconfig b/configs/n2350_defconfig
> > > new file mode 100644
> > > index 0000000000..22b23d50e2
> > > --- /dev/null
> > > +++ b/configs/n2350_defconfig
> > > @@ -0,0 +1,93 @@
> > > +CONFIG_ARM=y
> > > +CONFIG_ARCH_CPU_INIT=y
> > > +CONFIG_SYS_THUMB_BUILD=y
> > > +CONFIG_ARCH_MVEBU=y
> > > +CONFIG_SUPPORT_PASSING_ATAGS=y
> > > +CONFIG_CMDLINE_TAG=y
> > > +CONFIG_INITRD_TAG=y
> > > +CONFIG_TEXT_BASE=0x00800000
> > > +CONFIG_SPL_LIBCOMMON_SUPPORT=y
> > > +CONFIG_SPL_LIBGENERIC_SUPPORT=y
> > > +CONFIG_NR_DRAM_BANKS=2
> > > +CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
> > > +CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0xff0000
> > > +CONFIG_TARGET_N2350=y
> > > +CONFIG_ENV_SIZE=0x10000
> > > +CONFIG_ENV_OFFSET=0x100000
> > > +CONFIG_ENV_SECT_SIZE=0x10000
> > > +CONFIG_DEFAULT_DEVICE_TREE="armada-385-thecus-n2350"
> > > +CONFIG_SPL_TEXT_BASE=0x40000030
> > > +CONFIG_SYS_PROMPT="N2350 > "
> > > +CONFIG_SPL_SERIAL=y
> > > +CONFIG_SPL_STACK=0x4002c000
> > > +CONFIG_SPL=y
> > > +CONFIG_DEBUG_UART_BASE=0xf1012000
> > > +CONFIG_DEBUG_UART_CLOCK=250000000
> > > +CONFIG_IDENT_STRING="\nThecus N2350"
> > > +CONFIG_SYS_LOAD_ADDR=0x800000
> > > +CONFIG_ENV_ADDR=0x100000
> > > +CONFIG_DEBUG_UART=y
> > > +CONFIG_AHCI=y
> > > +CONFIG_DISTRO_DEFAULTS=y
> > > +CONFIG_BOOTDELAY=10
> > > +CONFIG_USE_PREBOOT=y
> > > +CONFIG_SYS_CONSOLE_INFO_QUIET=y
> > > +# CONFIG_DISPLAY_BOARDINFO is not set
> > > +CONFIG_DISPLAY_BOARDINFO_LATE=y
> > > +CONFIG_SPL_MAX_SIZE=0x22fd0
> > > +CONFIG_SPL_HAS_BSS_LINKER_SECTION=y
> > > +CONFIG_SPL_BSS_START_ADDR=0x40023000
> > > +CONFIG_SPL_BSS_MAX_SIZE=0x4000
> > > +CONFIG_SPL_SYS_MALLOC_SIMPLE=y
> > > +# CONFIG_SPL_SHARES_INIT_SP_ADDR is not set
> > > +CONFIG_SPL_I2C=y
> > > +CONFIG_SYS_MAXARGS=32
> > > +CONFIG_CMD_GPIO=y
> > > +CONFIG_CMD_GPIO_READ=y
> > > +CONFIG_CMD_I2C=y
> > > +CONFIG_CMD_PCI=y
> > > +CONFIG_CMD_SPI=y
> > > +CONFIG_CMD_USB=y
> > > +CONFIG_CMD_TFTPPUT=y
> > > +CONFIG_CMD_SNTP=y
> > > +CONFIG_CMD_DNS=y
> > > +CONFIG_CMD_CACHE=y
> > > +CONFIG_CMD_TIME=y
> > > +CONFIG_CMD_MTDPARTS=y
> > > +CONFIG_MTDPARTS_DEFAULT="mtdparts=pxa3xx_nand-0:-(ubifs);spi1.0:1M(uboot),64K at 1M(uboot_env),-(data)"
> >
> > Do you need to define partitions also here? Because on Turris Omnia is
> > U-Boot parsing partitions from DTS file and CONFIG_MTDPARTS_DEFAULT is
> > not specified in configs/turris_omnia_defconfig at all.
> 
> I think CONFIG_MTDPARTS_DEFAULT is still quite useful here. Oftenly,
> when we boot with a separate DTB, we can use the Linux cmdline
> mtdparts to override the partittions definition in the DTS. And Linux
> mainline DTS sometimes have obsolete/wrong mtd partitions definition
> (eg. Synology A38x/XP boards are prime examples). So exposing the env
> mtdparts makes it apparent to the users what we want to use as
> default.

Ok! Sounds like a something which looks to be useful.

> But if mtdparts env is automatically set by the DTS definition, then
> yes I think we don't want to repeat it here.

Please check this. I'm not sure what is implemented and what not. There
is lot of old and legacy stuff in u-boot mtd code and not everything was
modernized yet.

> >
> > > +CONFIG_ENV_OVERWRITE=y
> > > +CONFIG_SYS_RELOC_GD_ENV_ADDR=y
> > > +CONFIG_VERSION_VARIABLE=y
> > > +CONFIG_ARP_TIMEOUT=200
> > > +CONFIG_NET_RETRY_COUNT=50
> > > +CONFIG_NET_RANDOM_ETHADDR=y
> > > +CONFIG_NETCONSOLE=y
> > > +CONFIG_SPL_OF_TRANSLATE=y
> > > +CONFIG_AHCI_MVEBU=y
> > > +CONFIG_LBA48=y
> > > +CONFIG_SYS_64BIT_LBA=y
> > > +CONFIG_DM_I2C=y
> > > +CONFIG_SYS_I2C_MVTWSI=y
> > > +CONFIG_MTD=y
> > > +CONFIG_SF_DEFAULT_SPEED=50000000
> > > +CONFIG_SPI_FLASH_MACRONIX=y
> > > +CONFIG_SPI_FLASH_STMICRO=y
> > > +CONFIG_PHY_MARVELL=y
> > > +CONFIG_PHY_GIGE=y
> > > +CONFIG_MVNETA=y
> > > +CONFIG_MII=y
> > > +CONFIG_MVMDIO=y
> > > +CONFIG_PCI=y
> > > +CONFIG_PCI_MVEBU=y
> > > +CONFIG_PINCTRL=y
> > > +CONFIG_PINCTRL_ARMADA_38X=y
> > > +CONFIG_DM_RTC=y
> > > +CONFIG_RTC_ARMADA38X=y
> > > +CONFIG_SCSI=y
> > > +CONFIG_SPL_DEBUG_UART_BASE=0xd0012000
> > > +CONFIG_DEBUG_UART_SHIFT=2
> > > +CONFIG_SYS_NS16550=y
> > > +CONFIG_KIRKWOOD_SPI=y
> > > +CONFIG_USB=y
> > > +CONFIG_USB_XHCI_HCD=y
> > > +CONFIG_USB_EHCI_HCD=y
> > > diff --git a/include/configs/n2350.h b/include/configs/n2350.h
> > > new file mode 100644
> > > index 0000000000..1d4458d210
> > > --- /dev/null
> > > +++ b/include/configs/n2350.h
> > > @@ -0,0 +1,65 @@
> > > +/* SPDX-License-Identifier: GPL-2.0+ */
> > > +/*
> > > + * Copyright (C) 2023 Tony Dinh <mibodhi at gmail.com>
> > > + *
> > > + */
> > > +
> > > +#ifndef _CONFIG_N2350_H
> > > +#define _CONFIG_N2350_H
> > > +
> > > +/*
> > > + * High Level Configuration Options (easy to change)
> > > + */
> > > +
> > > +/* I2C */
> > > +#define CFG_I2C_MVTWSI_BASE0         MVEBU_TWSI_BASE
> > > +
> > > +/* Environment in SPI NOR flash */
> > > +
> > > +#define PHY_ANEG_TIMEOUT     8000    /* PHY needs a longer aneg time */
> > > +
> > > +/* Keep device tree and initrd in lower memory so the kernel can access them */
> > > +#define RELOCATION_LIMITS_ENV_SETTINGS  \
> > > +     "fdt_high=0x10000000\0"         \
> > > +     "initrd_high=0x10000000\0"
> > > +
> > > +/*
> > > + * mv-common.h should be defined after CMD configs since it used them
> > > + * to enable certain macros
> > > + */
> > > +#include "mv-common.h"
> > > +
> > > +/* Include the common distro boot environment */
> > > +#ifndef CONFIG_SPL_BUILD
> > > +
> > > +#define BOOT_TARGET_DEVICES(func) \
> > > +     func(SCSI, scsi, 0) \
> > > +     func(USB, usb, 0) \
> > > +     func(PXE, pxe, na) \
> > > +     func(DHCP, dhcp, na)
> >
> > I see that you have also NAND with UBIFS in DTS file. What is stored on
> > NAND? Does not it have bootable system and should be in default boot
> > target list?
> 
> The UBIFS in stock FW was the rootfs. But it is not bootable any more
> with the new u-boot.

Hm... Why it is not bootable by new u-boot? Is there some unknown issue
that it suddenly stopped working? Because u-boot as a bootloader is
there for booting system and it is its primary functionality. And if new
version cannot boot something which old version was able then it is a
bug on which u-boot should focus. If you have more details about this
issue, I can look at it.

> In case somebody wants to boot OpenWrt or some
> rescue system, I just want to make the NAND partition visible for that
> purpose. Perhaps its name should be something innocuous like "data" ?

Partition name is OK. Maybe it could be called "rootfs" to say that
rootfs is on it stored.

> >
> > > +
> > > +#define KERNEL_ADDR_R        __stringify(0x1000000)
> > > +#define FDT_ADDR_R   __stringify(0x2000000)
> > > +#define RAMDISK_ADDR_R       __stringify(0x2200000)
> > > +#define SCRIPT_ADDR_R        __stringify(0x1800000)
> > > +#define PXEFILE_ADDR_R       __stringify(0x1900000)
> > > +
> > > +#define LOAD_ADDRESS_ENV_SETTINGS \
> > > +     "kernel_addr_r=" KERNEL_ADDR_R "\0" \
> > > +     "fdt_addr_r=" FDT_ADDR_R "\0" \
> > > +     "ramdisk_addr_r=" RAMDISK_ADDR_R "\0" \
> > > +     "scriptaddr=" SCRIPT_ADDR_R "\0" \
> > > +     "pxefile_addr_r=" PXEFILE_ADDR_R "\0"
> > > +
> > > +#include <config_distro_bootcmd.h>
> > > +
> > > +#define CFG_EXTRA_ENV_SETTINGS \
> > > +     RELOCATION_LIMITS_ENV_SETTINGS \
> > > +     LOAD_ADDRESS_ENV_SETTINGS \
> > > +     "fdtfile=" CONFIG_DEFAULT_DEVICE_TREE ".dtb\0" \
> > > +     "console=ttyS0,115200\0" \
> > > +     BOOTENV
> > > +
> > > +#endif /* CONFIG_SPL_BUILD */
> > > +
> > > +#endif /* _CONFIG_N2350_H */
> > > --
> > > 2.30.2
> > >
> 
> Thanks for the review Pali.
> 
> All the best,
> Tony


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