[PATCH] [Meson] add magicbox m16s config, dts and doc
Neil Armstrong
narmstrong at baylibre.com
Mon Jul 18 10:13:29 CEST 2022
Hi,
On 13/07/2022 09:32, Zhang Ning wrote:
> MagicBox M16S or MagicBox 3Pro is welcome Tv box in China,
> which is developed by Alibaba at 2016.
>
> No schemtics, no vendor source code right now
> thus no fip blobs to create mainline u-boot.
> Need to use chainloader to boot a mainline u-boot, then mainline kernel.
>
> from pre-installed u-boot log, it's gxm_q201_v1 or its decendent.
>
> add a simple dts and config to enable this Tv box.
> a simple doc for how to enable mainline uboot.
>
> Signed-off-by: Zhang Ning <zhangn1985 at qq.com>
> ---
> arch/arm/dts/Makefile | 1 +
> .../dts/meson-gxm-magicbox-m16s-u-boot.dtsi | 6 +
> arch/arm/dts/meson-gxm-magicbox-m16s.dts | 24 ++++
> configs/magicbox-m16s_defconfig | 68 +++++++++++
> doc/board/amlogic/index.rst | 1 +
> doc/board/amlogic/magicboxm16s.rst | 109 ++++++++++++++++++
> 6 files changed, 209 insertions(+)
> create mode 100644 arch/arm/dts/meson-gxm-magicbox-m16s-u-boot.dtsi
> create mode 100644 arch/arm/dts/meson-gxm-magicbox-m16s.dts
> create mode 100644 configs/magicbox-m16s_defconfig
> create mode 100644 doc/board/amlogic/magicboxm16s.rst
>
> diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
> index a7e0d9f6c0..31294c4c18 100644
> --- a/arch/arm/dts/Makefile
> +++ b/arch/arm/dts/Makefile
> @@ -191,6 +191,7 @@ dtb-$(CONFIG_ARCH_MESON) += \
> meson-gxm-khadas-vim2.dtb \
> meson-gxm-s912-libretech-pc.dtb \
> meson-gxm-wetek-core2.dtb \
> + meson-gxm-magicbox-m16s.dtb \
> meson-g12a-radxa-zero.dtb \
> meson-g12a-sei510.dtb \
> meson-g12a-u200.dtb \
> diff --git a/arch/arm/dts/meson-gxm-magicbox-m16s-u-boot.dtsi b/arch/arm/dts/meson-gxm-magicbox-m16s-u-boot.dtsi
> new file mode 100644
> index 0000000000..87a6e8525e
> --- /dev/null
> +++ b/arch/arm/dts/meson-gxm-magicbox-m16s-u-boot.dtsi
> @@ -0,0 +1,6 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2022 Zhang Ning <zhangn1985 at qq.com>
> + */
> +
> +#include "meson-gxl-u-boot.dtsi"
> diff --git a/arch/arm/dts/meson-gxm-magicbox-m16s.dts b/arch/arm/dts/meson-gxm-magicbox-m16s.dts
> new file mode 100644
> index 0000000000..a382fafc51
> --- /dev/null
> +++ b/arch/arm/dts/meson-gxm-magicbox-m16s.dts
> @@ -0,0 +1,24 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2022 Zhang Ning <zhangn1985 at qq.com>
> + */
> +
> +/dts-v1/;
> +
> +#include "meson-gxm.dtsi"
> +#include "meson-gx-p23x-q20x.dtsi"
> +
> +/ {
> + compatible = "magicbox,m16s", "amlogic,s912", "amlogic,meson-gxm";
> + model = "Magicbox M16S";
> +
> + memory at 0 {
> + device_type = "memory";
> + reg = <0x0 0x0 0x0 0x80000000>; /* 2 GiB */
> + };
> +
> +};
> +ðmac {
> + phy-mode = "rmii";
> + phy-handle = <&internal_phy>;
> +};
For first support, I think it would be simpler to copy the Q201 DT from Linux,
rename meson-gxm-magicbox-m16s-u-boot.dtsi to meson-gxm-q201-u-boot.dtsi...
> diff --git a/configs/magicbox-m16s_defconfig b/configs/magicbox-m16s_defconfig
> new file mode 100644
> index 0000000000..df9a746b65
> --- /dev/null
> +++ b/configs/magicbox-m16s_defconfig
> @@ -0,0 +1,68 @@
> +CONFIG_ARM=y
> +CONFIG_ARCH_MESON=y
> +CONFIG_SYS_TEXT_BASE=0x01000000
> +CONFIG_NR_DRAM_BANKS=1
> +CONFIG_ENV_SIZE=0x2000
> +CONFIG_DM_GPIO=y
> +CONFIG_DEFAULT_DEVICE_TREE="meson-gxm-magicbox-m16s"
and here use "meson-gxm-q201"
> +CONFIG_MESON_GXM=y
> +CONFIG_DEBUG_UART_BASE=0xc81004c0
> +CONFIG_DEBUG_UART_CLOCK=24000000
> +CONFIG_IDENT_STRING=" magicbox m16s"
> +CONFIG_SYS_LOAD_ADDR=0x1000000
> +CONFIG_DEBUG_UART=y
> +CONFIG_REMAKE_ELF=y
> +CONFIG_OF_BOARD_SETUP=y
> +# CONFIG_DISPLAY_CPUINFO is not set
> +CONFIG_MISC_INIT_R=y
> +# CONFIG_CMD_BDI is not set
> +# CONFIG_CMD_IMI is not set
> +CONFIG_CMD_ADC=y
> +# CONFIG_EFI_LOADER is not set
> +CONFIG_CMD_GPIO=y
> +# CONFIG_CMD_LOADS is not set
> +CONFIG_CMD_MMC=y
> +CONFIG_CMD_USB=y
> +CONFIG_CMD_USB_MASS_STORAGE=y
> +# CONFIG_CMD_SETEXPR is not set
> +CONFIG_CMD_REGULATOR=y
> +CONFIG_OF_CONTROL=y
> +CONFIG_SYS_RELOC_GD_ENV_ADDR=y
> +CONFIG_SARADC_MESON=y
> +CONFIG_MMC_MESON_GX=y
> +CONFIG_MTD=y
> +CONFIG_DM_MTD=y
> +CONFIG_DM_ETH=y
> +CONFIG_DM_MDIO=y
> +CONFIG_DM_MDIO_MUX=y
> +CONFIG_ETH_DESIGNWARE_MESON8B=y
> +CONFIG_MDIO_MUX_MMIOREG=y
> +CONFIG_MESON_GXL_USB_PHY=y
> +CONFIG_PINCTRL=y
> +CONFIG_PINCTRL_MESON_GXL=y
> +CONFIG_POWER_DOMAIN=y
> +CONFIG_MESON_GX_VPU_POWER_DOMAIN=y
> +CONFIG_DM_REGULATOR=y
> +CONFIG_DM_REGULATOR_FIXED=y
> +CONFIG_DM_RESET=y
> +CONFIG_DEBUG_UART_ANNOUNCE=y
> +CONFIG_DEBUG_UART_SKIP_INIT=y
> +CONFIG_MESON_SERIAL=y
> +CONFIG_USB=y
> +CONFIG_USB_XHCI_HCD=y
> +CONFIG_USB_XHCI_DWC3=y
> +CONFIG_USB_DWC3=y
> +# CONFIG_USB_DWC3_GADGET is not set
> +CONFIG_USB_DWC3_MESON_GXL=y
> +CONFIG_USB_GADGET=y
> +CONFIG_USB_GADGET_VENDOR_NUM=0x1b8e
> +CONFIG_USB_GADGET_PRODUCT_NUM=0xfada
> +CONFIG_USB_GADGET_DWC2_OTG=y
> +CONFIG_USB_GADGET_DOWNLOAD=y
> +CONFIG_DM_VIDEO=y
> +# CONFIG_VIDEO_BPP8 is not set
> +# CONFIG_VIDEO_BPP16 is not set
> +CONFIG_SYS_WHITE_ON_BLACK=y
> +CONFIG_VIDEO_MESON=y
> +CONFIG_VIDEO_DT_SIMPLEFB=y
> +CONFIG_OF_LIBFDT_OVERLAY=y
> diff --git a/doc/board/amlogic/index.rst b/doc/board/amlogic/index.rst
> index 9c7fadf2c0..2620b38b5d 100644
> --- a/doc/board/amlogic/index.rst
> +++ b/doc/board/amlogic/index.rst
> @@ -113,3 +113,4 @@ Board Documentation
> u200
> wetek-core2
> w400
> + magicboxm16s
> diff --git a/doc/board/amlogic/magicboxm16s.rst b/doc/board/amlogic/magicboxm16s.rst
> new file mode 100644
> index 0000000000..2161fb1d0c
> --- /dev/null
> +++ b/doc/board/amlogic/magicboxm16s.rst
> @@ -0,0 +1,109 @@
> +.. SPDX-License-Identifier: GPL-2.0+
> +
> +Hacking notes for MagicBox M16S
> +=======================
> +
> +MagicBox M16S or MagicBox 3Pro is popular Tv box in China, which is
> +manufactured by Alibaba in 2016, with following specifications:
> +
> + - Amlogic S912-H (S192 with dolby and DTS)
> + - 2GB DDR3 SDRAM
> + - 100M Ethernet
> + - HDMI 2.0 4K/60Hz display
> + - 1 x USB 2.0
> + - 16G eMMC
> + - Infrared receiver
> + - Marvel SD8897 WiFi module
> + - AV out
> + - Rest hole
> + - 5V2A power jack
> +
> +No schematics and source code available from vendor.
> +
> +U-Boot compilation
> +------------------
> +
> +.. code-block:: bash
> +
> + $ export CROSS_COMPILE=aarch64-none-elf-
> + $ make magicbox-m16s_defconfig
> + $ make
> +
> +Enable chainloader
> +--------------
> +
> +Due to no vendor source code, thus not able to create bootable u-boot image as other devices.
> +
> +thus only way to run mainline u-boot is chainloader.
> +
> +Step1: connect TTL to mainboard.
> +
> +Open metal cover, and you will see TTL test points show as below:
> +
> + G>--- <<-- gnd
> +
> + --- <<-- Tx
> +
> + --- <<-- Rx
> +
> + --- <<-- pwr
> +
> +Connect an USB TTL to these test points.
> +
> +Step2: enable chainloader.
> +
> +Connect USE TTL to you PC, and open it with any teminal tool, with configure: 115200n8
> +
> +Power on Tv box, and press `enter` on your keyboard. and then you get:
> +
> +.. code-block:: bash
> + gxm_q201_v1#
> +
> +If not, power off, and redo this step.
> +
> +Type below u-boot command to console:
> +
> +.. code-block:: bash
> + setenv OLDBOOTCMD "set_usb_boot 4;run storeboot"
> + setenv USBBOOTCMD "usb start;if fatload usb 0 0x1000000 u-boot.bin; then go 0x1000000; fi;"
> + setenv bootcmd "run USBBOOTCMD; run OLDBOOTCMD; run storeboot"
> + saveenv
> + sleep 1
> + reboot
> +
> +If you reboot to pre-installed OS, there will be a very long boot time, just wait, it's not brick.
> +
> +Step2: prepare boot media
> +
> +Parition you Usb flash driver to Dos partition table, and first partition to 10M, format it to fat32.
> +
> +Copy u-boot.bin to first partition.
> +
> +Insert it to Tv box, it will automatically boot to mainline u-boot.
> +
> +
> +Step3: optional boot script for sysboot
> +
> +If you want to use u-boot-menu to generate extlinux.conf to make a grub-like OS menu,
> +a simple boot script is needed. (assume your extlinux.conf is in 2nd partition)
> +
> +.. code-block::
> + sysboot usb 0:2 any 0x1080000 /boot/extlinux/extlinux.conf
> +
> +# use: mkimage -A arm64 -T script -O linux -d boot.cmd boot.scr
> +
> +copy boot.scr to first partition, it will automatically load extlinux.conf and boot to OS.
> +
> +Status
> +-----------
> +Debian sid with kernel 5.19-rc4
> +HDMI: OK, sound not test
> +WIFI: OK
> +eth: OK
> +BT: OK
> +IR: No decoder, keymap
> +
> +Issues: Due need to keep vendor u-boot, not able to use internal emmc.
> + Due to no power key, it will automatically poweron, even after poweroff.
> + WIFI loss after reboot, need disconnect power to recover.
> +
The doc & config looks fine, I'll do a full review with the Q201 DT.
When proper DT is upstreamed in Linux, then you will be able to add it to U-boot
and switch to it.
Neil
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