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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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