On 11/16/25 2:45 AM, Jonas Karlman wrote:
The SCMI shared memory area is no longer automatically marked as non-cacheable after the commit a5a0134570c8 ("firmware: scmi: Drop mmu_set_region_dcache_behaviour() misuse").This change in behavior cause Rockchip RK3588 boards to fail boot with: SoC: RK3588 DRAM: 8 GiB scmi-over-smccc scmi: Channel unexpectedly busy scmi_base_drv scmi-base.0: getting protocol version failed scmi-over-smccc scmi: failed to probe base protocol initcall_run_r(): initcall initr_dm() failed ### ERROR ### Please RESET the board ### Update the memory mapping on RK3588 to mark the SCMI shared memory area as non-cacheable to fix the SCMI shared memory based transport issue that prevented RK3588 boards from booting. Signed-off-by: Jonas Karlman <[email protected]>
Reviewed-by: Marek Vasut <[email protected]> Thanks !
