[DistroKit] [PATCH] platform-rpi: Enable early debug UART

[DistroKit] [PATCH] platform-rpi: Enable early debug UART

[Chris Fiege]

This config enables the early debug for the Raspberry-Pi Firmware
bootloader.

This makes sure that the UART is available to barebox even if the
used board has additional hardware (like Bluetooth) connected to the
UART.

This command only works if the firmware is loaded from the SD-Card.

See for more information:
https://github.com/raspberrypi/firmware/wiki/USB-MSD-and-network-boot-debugging

Signed-off-by: Chris Fiege <chris@tinyhost.de>
---
 configs/platform-rpi/firmware/config.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/configs/platform-rpi/firmware/config.txt b/configs/platform-rpi/firmware/config.txt
index 956ad81..d1abb30 100644
--- a/configs/platform-rpi/firmware/config.txt
+++ b/configs/platform-rpi/firmware/config.txt
@@ -1,3 +1,5 @@
+# enable debug of early bootloader
+uart_2ndstage=1
 # Set barebox as third state bootloader
 kernel=barebox
 # Set stdv mode to PAL (as used in Europe)
-- 
2.7.4


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Re: [DistroKit] [PATCH] platform-rpi: Enable early debug UART

[Robert Schwebel]

On Mon, Nov 19, 2018 at 08:41:22PM +0100, Chris Fiege wrote:
> This config enables the early debug for the Raspberry-Pi Firmware
> bootloader.
> 
> This makes sure that the UART is available to barebox even if the
> used board has additional hardware (like Bluetooth) connected to the
> UART.
> 
> This command only works if the firmware is loaded from the SD-Card.
> 
> See for more information:
> https://github.com/raspberrypi/firmware/wiki/USB-MSD-and-network-boot-debugging
> 
> Signed-off-by: Chris Fiege <chris@tinyhost.de>
> ---
>  configs/platform-rpi/firmware/config.txt | 2 ++
>  1 file changed, 2 insertions(+)

Applied, thanks.

rsc
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