On Wed, Jun 19, 2024 at 11:16 PM Emil Renner Berthing <emil.renner.berthing@xxxxxxxxxxxxx> wrote: > > Anup Patel wrote: > > On Tue, Jun 18, 2024 at 7:00 PM Emil Renner Berthing > > <emil.renner.berthing@xxxxxxxxxxxxx> wrote: > > > > > > Anup Patel wrote: > > > > The PLIC driver does not require very early initialization so convert > > > > it into a platform driver. > > > > > > > > After conversion, the PLIC driver is probed after CPUs are brought-up > > > > so setup cpuhp state after context handler of all online CPUs are > > > > initialized otherwise PLIC driver crashes for platforms with multiple > > > > PLIC instances. > > > > > > > > Signed-off-by: Anup Patel <apatel@xxxxxxxxxxxxxxxx> > > > > > > Hi Anup, > > > > > > Sorry for the late reply to the mailing list, but ever since 6.9 where this was > > > applied my Allwinner D1 based boards no longer boot. This is the log of my > > > LicheeRV Dock booting plain 6.10-rc4, locking up and then rebooting due to the > > > the watchdog timing out: > > > > > > https://pastebin.com/raw/nsbzgEKW > > > > > > On 6.10-rc4 I can bring the same board to boot by reverting this patch and all > > > patches building on it. Eg.: > > > > > > git revert e306a894bd51 a7fb69ffd7ce abb720579490 \ > > > 956521064780 a15587277a24 6c725f33d67b \ > > > b68d0ff529a9 25d862e183d4 8ec99b033147 > > > > Does your board boot with only SBI timer driver enabled ? > > I'm not 100% sure this is what you mean, but with this change I can disable > CONFIG_SUN4I_TIMER: > > diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs > index f51bb24bc84c..0143545348eb 100644 > --- a/arch/riscv/Kconfig.socs > +++ b/arch/riscv/Kconfig.socs > @@ -39,7 +39,6 @@ config ARCH_SUNXI > bool "Allwinner sun20i SoCs" > depends on MMU && !XIP_KERNEL > select ERRATA_THEAD > - select SUN4I_TIMER > help > This enables support for Allwinner sun20i platform hardware, > including boards based on the D1 and D1s SoCs. > > > But unfortunately the board still doesn't boot: > https://pastebin.com/raw/AwRxcfeu I think we should enable debug prints in DD core and see which device is not getting probed due to lack of a provider. Just add "#define DEBUG" at the top in drivers/base/core.c and boot again with "loglevel=8" kernel parameter (along with the above change). Regards, Anup
