[PATCH] bcm283x: debug_ll: add RaspberryPi 4 PL011 UART support

Sascha Hauer s.hauer at pengutronix.de
Mon Aug 24 00:37:11 PDT 2026


On Mon, 24 Aug 2026 00:13:29 +0200, chalianis1 at gmail.com wrote:
> Add a DEBUG_RPI4_UART choice for low-level debugging on RaspberryPi 4
> and CM4 boards via the PL011 UART (uart0), for setups where the
> disable-bt overlay routes it onto the GPIO header pins instead of the
> mini UART. Mirrors the existing RPi1/RPi2-3 PL011 debug_ll support:
> firmware configures the UART, so debug_ll_init() is a no-op.
> 
> 
> [...]

Applied, thanks!

[1/1] bcm283x: debug_ll: add RaspberryPi 4 PL011 UART support
      https://git.pengutronix.de/cgit/barebox/commit/?id=4836941756bb (link may not be stable)

Best regards,
-- 
Sascha Hauer <s.hauer at pengutronix.de>




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