[U-Boot] [PATCH 1/2] arm64: add an option to switch visibility of CONFIG_SYS_INIT_SP_BSS_OFFSET

[Stephen Warren]

On 6/25/19 10:51 PM, Masahiro Yamada wrote:
> By default, CONFIG_SYS_INIT_SP_BSS_OFFSET was made invisible by not
> giving a prompt to it.
> 
> The only way to define it is to hard-code an extra entry in SoC/board
> Kconfig, like arch/arm/mach-tegra/tegra{186,210}/Kconfig.
> 
> Add a prompt to it in order to allow defconfig files to specify the
> value of CONFIG_SYS_INIT_SP_BSS_OFFSET.
> 
> With this, CONFIG_SYS_INIT_SP_BSS_OFFSET would become always visible.
> So, we need a new bool option to turn it off by default.
> 
> I move the 'default 524288' to the common place. This value is not too
> big, but is big enough to avoid the overwrap of DT in most platforms.
> If 512KB is not a suitable choice for your platform, you can change it
> from your defconfig or menuconfig etc.
> 
> Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com>

Acked-by: Stephen Warren <swarren at nvidia.com>