Message ID | 20201215155627.2513-5-nsaenzjulienne@suse.de (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | Expose RPi4'd bootloader configuration | expand |
diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts index c58e58e8ce39..261169eb5e3b 100644 --- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts +++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts @@ -26,6 +26,17 @@ aliases { ethernet0 = &genet; pcie0 = &pcie0; eeprom = &eeprom; + fw_config = &fw_config; + }; + + fw_config: fw-config { + compatible = "nvmem-rmem"; + memory-region = <&eeprom>; + /* + * Will be enabled by the bootloader if the reserved memory + * region is valid. + */ + status = "disabled"; }; leds {
RPi4's co-processor will copy the board's bootloader configuration in memory. Expose it to user-space by using 'nvmem-rmem'. Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> --- arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 11 +++++++++++ 1 file changed, 11 insertions(+)