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SubjectRe: [PATCH 1/5] ARM: remove obsolete Makefile.boot infrastructure
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On 18/08/2022 17:56, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
>
> There are a number of old Makefile.boot files that remain from the
> multiplatform conversion, and three that are still in use.
>
> These provide the "ZRELADDR", "PARAMS_PHYS" and "INITRD_PHYS" values
> that are platform specific. It turns out that we can generally just
> derive this from information that is available elsewhere:
>
> - ZRELADDR is normally detected at runtime with the
> CONFIG_AUTO_ZRELADDR flag, but also needed to be passed to
> for 'make uImage'. In a multiplatform kernel, one always has
> to pass this as the $(LOADADDR) variable, but in the StrongARM
> kernels we can derive it from the sum of $(CONFIG_PHYS_OFFSET)
> and $(TEXT_OFFSET) that are already known.
>
> - PARAMS_PHYS and INITRD_PHYS are only used for bootpImage, which
> in turn is only used for the pre-ATAGS 'param_struct' based boot
> interface on StrongARM based machines with old boot loaders.
> They can both be derived from CONFIG_PHYS_OFFSET and a machine
> specific offset for the initrd, so all of the logic for these
> can be part of arch/arm/boot/bootp/Makefile.
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
> arch/arm/Kconfig | 2 +-
> arch/arm/Makefile | 4 +--
> arch/arm/boot/Makefile | 27 ++++++--------------
> arch/arm/boot/bootp/Makefile | 35 ++++++++++++++++++++++++--
> arch/arm/mach-at91/Makefile.boot | 4 ---
> arch/arm/mach-davinci/Makefile.boot | 8 ------
> arch/arm/mach-dove/Makefile.boot | 4 ---
> arch/arm/mach-ep93xx/Makefile.boot | 2 --
> arch/arm/mach-footbridge/Makefile.boot | 5 ----
> arch/arm/mach-imx/Makefile.boot | 0
> arch/arm/mach-iop32x/Makefile.boot | 4 ---
> arch/arm/mach-lpc18xx/Makefile.boot | 4 ---
> arch/arm/mach-lpc32xx/Makefile.boot | 4 ---
> arch/arm/mach-omap1/Makefile.boot | 4 ---
> arch/arm/mach-rpc/Makefile.boot | 5 ----
> arch/arm/mach-s3c/Makefile.boot | 9 -------


Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> # s3c

Best regards,
Krzysztof

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