On Mon, Feb 26, 2024 at 05:32:26PM +0100, Heinrich Schuchardt wrote: > U-Boot SPL loads the device-tree directly behind main U-Boot overlapping > the .bss section. reserve_fdt() is called in board_init_f() to relocate the > device-tree to a safe location. > > Debug UARTs are enabled before board_init_f(). With sbi_dbcn_available in > the .bss section the device-tree is corrupted when _debug_uart_init() is > called in the SBI serial driver. Move the variable to the .data section. > > Link: https://bugs.launchpad.net/ubuntu/+source/u-boot/+bug/2054091 > Fixes: dfe08374943c ("risc-v: implement DBCN based debug console") > Signed-off-by: Heinrich Schuchardt <heinrich.schucha...@canonical.com>
This also appears to fix the inconsistent boot issues that I've been seeing since I reported: https://lore.kernel.org/u-boot/20240122-finicky-ancient-797ba048f927@spud/ Tested-by: Conor Dooley <conor.doo...@microchip.com> Thanks, Conor.
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