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SubjectRe: [PATCH v2 01/17] sh: Add sh-specific early_init_dt_reserve_memory_arch
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On 6/12/2016 9:54 AM, Yoshinori Sato wrote:

> sh used P1 address space in early device tree.
> So need convert P1 to physical address before reserve memory.
>
> Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
> ---
> arch/sh/boards/of-generic.c | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/arch/sh/boards/of-generic.c b/arch/sh/boards/of-generic.c
> index 57d45dc..fe2d917 100644
> --- a/arch/sh/boards/of-generic.c
> +++ b/arch/sh/boards/of-generic.c
[...]
> @@ -203,3 +204,14 @@ static int __init sh_of_device_init(void)
> return 0;
> }
> arch_initcall_sync(sh_of_device_init);
> +
> +int __init early_init_dt_reserve_memory_arch(phys_addr_t base,
> + phys_addr_t size, bool nomap)
> +{
> + if (nomap)
> + return memblock_remove(base, size);
> +
> + if (base >= P1SEG)
> + base = base & ~P1SEG;

base &= ~P1SEG;

> + return memblock_reserve(base, size);
> +}

MBR, Sergei

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