Re: [DO NOT MERGE v6 02/37] sh: Kconfig unified OF supported targets.

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Hi Sato-san,

On Tue, Jan 9, 2024 at 9:23 AM Yoshinori Sato
<ysato@xxxxxxxxxxxxxxxxxxxx> wrote:
> Targets that support OF should be treated as one board.
>
> Signed-off-by: Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx>

Thanks for your patch!

> --- a/arch/sh/Kconfig
> +++ b/arch/sh/Kconfig
> @@ -710,6 +710,7 @@ choice
>         prompt "Kernel command line"
>         optional
>         default CMDLINE_OVERWRITE
> +       depends on !OF || USE_BUILTIN_DTB

This is still useful in the generic OF case.

I think it would be good to model this similar to what arm/arm64/riscv
are using (from bootloader / extend / force).

>         help
>           Setting this option allows the kernel command line arguments
>           to be set.
> diff --git a/arch/sh/boards/Kconfig b/arch/sh/boards/Kconfig
> index 109bec4dad94..e7e52779ef62 100644
> --- a/arch/sh/boards/Kconfig
> +++ b/arch/sh/boards/Kconfig
> @@ -19,16 +19,9 @@ config SH_DEVICE_TREE
>         select TIMER_OF
>         select COMMON_CLK
>         select GENERIC_CALIBRATE_DELAY
> -
> -config SH_JCORE_SOC
> -       bool "J-Core SoC"
> -       select SH_DEVICE_TREE
> -       select CLKSRC_JCORE_PIT
> -       select JCORE_AIC
> -       depends on CPU_J2
> -       help
> -         Select this option to include drivers core components of the
> -         J-Core SoC, including interrupt controllers and timers.
> +       select GENERIC_IRQ_CHIP
> +       select SYS_SUPPORTS_PCI
> +       select GENERIC_PCI_IOMAP if PCI
>
>  config SH_SOLUTION_ENGINE
>         bool "SolutionEngine"
> @@ -293,6 +286,7 @@ config SH_LANDISK
>         bool "LANDISK"
>         depends on CPU_SUBTYPE_SH7751R
>         select HAVE_PCI
> +       select SYS_SUPPORTS_PCI
>         help
>           I-O DATA DEVICE, INC. "LANDISK Series" support.
>
> @@ -369,6 +363,16 @@ config SH_APSH4AD0A
>         help
>           Select AP-SH4AD-0A if configuring for an ALPHAPROJECT AP-SH4AD-0A.
>
> +config SH_OF_BOARD
> +       bool "General Open Firmware boards"
> +       select SH_DEVICE_TREE
> +       select CLKSRC_JCORE_PIT if CPU_J2
> +       select JCORE_AIC if CPU_J2

Please move these selects to CPU_J2 instead...

> +       select HAVE_PCI if CPU_SUBTYPE_SH7751R

... and this to CPU_SUBTYPE_SH7751R, else it will become
a long unmaintainable list soon...

> +       help
> +         This board means general OF supported targets.
> +
> +

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds





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