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@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..388d4c3e7398 --- /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_BUTTON_REMAP_PHONE_KEYS=y + +# 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