[SLOF] [PATCH] pci: Generate a 64-bit range property if necessary
Alexey Kardashevskiy
aik at ozlabs.ru
Fri Apr 28 15:13:04 AEST 2017
On Fri, 28 Apr 2017 05:45:07 +0200
Thomas Huth <thuth at redhat.com> wrote:
> If the memory range exceeds the 32-bit boundary, we should generate
> a 64-bit range property entry instead of a 32-bit entry.
>
> Signed-off-by: Thomas Huth <thuth at redhat.com>
> ---
> slof/fs/pci-properties.fs | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/slof/fs/pci-properties.fs b/slof/fs/pci-properties.fs
> index d446473..3d14181 100644
> --- a/slof/fs/pci-properties.fs
> +++ b/slof/fs/pci-properties.fs
> @@ -411,8 +411,9 @@
> 4 pick 28 + rtas-config-l@ \ fetch upper Basebits ( addr paddr plen limit.31:0 base.31:0 base.63:32 )
> 20 lshift or swap \ and calc Base ( addr paddr plen base.63:0 limit.31:0 )
> 4 pick 2C + rtas-config-l@ \ fetch upper Limitbits ( addr paddr plen base.63:0 limit.31:0 limit.63:32 )
> - 20 lshift or \ and calc Limit ( addr paddr plen base.63:0 limit.63:0 )
> - 42000000 pci-bridge-gen-range \ and generate it ( addr paddr plen )
> + dup -rot 20 lshift or swap \ and calc Limit ( addr paddr plen base.63:0 limit.63:0 limit.63:32 )
> + IF 43000000 ELSE 42000000 THEN \ 64-bit or 32-bit? ( addr paddr plen base.63:0 limit.63:0 type )
> + pci-bridge-gen-range \ and generate it ( addr paddr plen )
> ;
>
> \ generate an io space to the ranges property
This is for pci-bridge-gen-mem-range, should not we create both 32bit
_and_ 64bit windows, as we do already for PHB (I think we should)?
--
Alexey
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