Martijn Braam <martijn@xxxxxxxxx> writes: > On 4/4/23 09:51, Heiko Stübner wrote: >> Hi, >> >> Am Montag, 3. April 2023, 19:59:37 CEST schrieb Javier Martinez Canillas: >>> This baud rate is set for the device by mainline u-boot and is also what >>> is set in the Pinebook Pro Device Tree, which is a device similar to the >>> PinePhone Pro but with a different form factor. >>> >>> Otherwise, the baud rate of the firmware and Linux don't match by default >>> and a 'console=ttyS2,1500000n8' kernel command line parameter is required >>> to have proper output for both. >> The interesting question is always if this will break someone else's setup. >> I've never really understood the strange setting of 1.5MBps, but on the >> other hand it _is_ a reality on most boards. > > It breaks my device test setup at least. The extra speed isn't worth the > hassle More than the extra speed is to have consistency accross all the rockchip devices in upstream and also sync with mainline u-boot. > of having a few devices at weird baudrates and the bootloader already > starts outputting debug logs at 115200 baud. > And mine starts outputting at 1.5MBps :) I guess that there isn't a one size fits all, so the question is whether the bikeshed color is what was painted in all other rockchip boards or the one that Tow-Boot has chosen. -- Best regards, Javier Martinez Canillas Core Platforms Red Hat
