[U-Boot] [PATCH V5] mpc85xx: inhibit qman and bman portals by default
York Sun
yorksun at freescale.com
Tue Dec 16 18:19:42 CET 2014
On 12/08/2014 11:54 AM, Jeffrey Ladouceur wrote:
> Not all portals might be managed and therefore visible.
> Set the isdr register so that the corresponding isr register
> won't be set. This is required when supporting power management.
>
> Signed-off-by: Jeffrey Ladouceur <Jeffrey.Ladouceur at freescale.com>
> ---
> The following dependent patches should be applied first:
> http://patchwork.ozlabs.org/patch/403532
> http://patchwork.ozlabs.org/patch/403533
> http://patchwork.ozlabs.org/patch/403540
> http://patchwork.ozlabs.org/patch/403534
> http://patchwork.ozlabs.org/patch/403535
> http://patchwork.ozlabs.org/patch/403538
> http://patchwork.ozlabs.org/patch/403536
> http://patchwork.ozlabs.org/patch/403539
>
> Changes in v5:
> - Qman portals also require their isdr register to be set in order to support
> power management (sleep, deepsleep). Otherwise QMan will appear to not be idle
> if all portals are not managed by the OS.
>
> Changes in v4:
> - The assertion that reading from portal reserved memory would return zero
> is incorrect. Therefore modify code to depend on specified number of
> portals in board config file
>
> Changes in v3:
> - Update subject title to be consistent
> Changes in v2:
> - Removed P1023RDS as it is no longer supported.
>
Applied to u-boot-mpc85xx master, awaiting upstream.
York
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