[PATCH 1/4] board/qualcomm: introduce phone config

Julius Lehmann julius at devpi.de
Tue Oct 1 19:30:03 CEST 2024


On 31.08.24 18:48, Caleb Connolly wrote:
> Phones don't have keyboards! Introduce a phone-specific config fragment
> and associated environment file to make U-Boot more useful on these
> devices. This allows for navigating via the buttons and enabling
> various USB gadget modes or displaying info about U-Boot.
> 
> Signed-off-by: Caleb Connolly <caleb.connolly at linaro.org>
> ---
>   board/qualcomm/qcom-phone.config | 12 ++++++++++
>   board/qualcomm/qcom-phone.env    | 49 ++++++++++++++++++++++++++++++++++++++++
>   2 files changed, 61 insertions(+)
> 
> diff --git a/board/qualcomm/qcom-phone.config b/board/qualcomm/qcom-phone.config
> new file mode 100644
> index 000000000000..4639e19a3df2
> --- /dev/null
> +++ b/board/qualcomm/qcom-phone.config
> @@ -0,0 +1,12 @@
> +# Settings for phones
> +CONFIG_USE_DEFAULT_ENV_FILE=y
> +CONFIG_DEFAULT_ENV_FILE="board/qualcomm/qcom-phone.env"
> +CONFIG_PANIC_HANG=y
> +CONFIG_CMD_PAUSE=y
> +CONFIG_BOOTSTD=y
> +CONFIG_BOOT_RETRY=y
> +CONFIG_BOOT_RETRY_TIME=1
> +CONFIG_REMAP_PHONE_KEYS=y

this should be CONFIG_BUTTON_REMAP_PHONE_KEYS (at least that version is 
used in the referenced patch)

> +
> +# Many phones don't actually define a serial port in their DTS
> +# CONFIG_REQUIRE_SERIAL_CONSOLE is not set
> diff --git a/board/qualcomm/qcom-phone.env b/board/qualcomm/qcom-phone.env
> new file mode 100644
> index 000000000000..2a0791c888c6
> --- /dev/null
> +++ b/board/qualcomm/qcom-phone.env
> @@ -0,0 +1,49 @@
> +bootdelay=0
> +bootretry=1
> +stdin=serial,button-kbd
> +stdout=serial,vidconsole
> +stderr=serial,vidconsole
> +
> +# Fastboot is keen to use the address from kconfig, but we
> +# allocate its buffer at runtime.
> +fastboot=fastboot -l $fastboot_addr_r usb 0
> +
> +# Shortcut to enable USB serial gadget and disable bootretry
> +serial_gadget=setenv stdin serial,button-kbd,usbacm; \
> +	setenv stdout serial,vidconsole,usbacm; \
> +	setenv stderr serial,vidconsole,usbacm; \
> +	setenv bootretry -1; \
> +	echo Enabled U-Boot console serial gadget
> +
> +# bootretry will run this command over and over, if we fail once
> +# then bail out to the boot menu instead (with a pause to read
> +# the error message)
> +bootcmd=bootefi bootmgr; pause; run menucmd
> +
> +# When entering the menu (either from button press or failed boot)
> +# remap bootcmd so it will re-open the menu and we won't get stuck
> +# at the console with no way to type
> +menucmd=setenv bootcmd run menucmd; bootmenu -1
> +
> +# Pause is used so the output can be read on the display
> +bootmenu_0=Boot=bootefi bootmgr; pause
> +bootmenu_1=Enable serial console gadget=run serial_gadget
> +bootmenu_2=Enable USB mass storage=ums 0 scsi 0
> +bootmenu_3=Reset device=reset
> +bootmenu_4=Dump clocks=clk dump; pause
> +bootmenu_5=Dump environment=printenv; pause
> +bootmenu_6=Board info=bdinfo; pause
> +bootmenu_7=Dump bootargs=fdt print /chosen bootargs; pause
> +bootmenu_8=Enable fastboot mode=run fastboot
> +# Disabling bootretry means we'll just drop the shell
> +bootmenu_9=Drop to shell=setenv bootretry -1
> +
> +# Allow holding the power button while U-Boot loads to enter
> +# the boot menu
> +button_cmd_0_name=pwrkey
> +button_cmd_0=run menucmd
> +
> +# Hold volume down to drop to a shell with the USB serial gadget
> +# enabled for debugging
> +button_cmd_1_name=Volume down
> +button_cmd_1=run serial_gadget
> 



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