The DSP MMUs on DRA7xx SoC requires configuring an additional
MMU_CONFIG register present in the DSP_SYSTEM sub module. This
setting dictates whether the DSP Core's MDMA and EDMA traffic
is routed through the respective MMU or not. Add the support
to the OMAP iommu driver so that the traffic is not
* Suman Anna [150903 16:01]:
> On 07/23/2015 02:24 AM, Tony Lindgren wrote:
> > OK maybe check the syss/sysc registers involved here for each hardware
> > module here and which driver tinkers with which registers? This will
> > make things a lot easier in the long run for sure.
>
> The OMAP
Hi Tony,
Sorry for the long delay in getting back on this. I will repost the
series once 4.3-rc1 is out, but at the moment I do not think any changes
are required. Let me know if you still need any additional details.
On 07/23/2015 02:24 AM, Tony Lindgren wrote:
> * Suman Anna [150722 0
* Suman Anna [150724 09:27]:
> Hi Tony,
>
> On 07/23/2015 11:30 PM, Tony Lindgren wrote:
> > * Suman Anna [150723 09:25]:
> >> Hi Tony,
> >>
> >> On 07/23/2015 02:24 AM, Tony Lindgren wrote:
> >>> * Suman Anna [150722 09:25]:
> On 07/22/2015 12:26 AM, Tony Lindgren wrote:
> >
> > I
Hi Tony,
On 07/23/2015 11:30 PM, Tony Lindgren wrote:
> * Suman Anna [150723 09:25]:
>> Hi Tony,
>>
>> On 07/23/2015 02:24 AM, Tony Lindgren wrote:
>>> * Suman Anna [150722 09:25]:
On 07/22/2015 12:26 AM, Tony Lindgren wrote:
>
> I don't like using syscon for tinkering directly with
* Suman Anna [150723 09:25]:
> Hi Tony,
>
> On 07/23/2015 02:24 AM, Tony Lindgren wrote:
> > * Suman Anna [150722 09:25]:
> >> On 07/22/2015 12:26 AM, Tony Lindgren wrote:
> >>>
> >>> I don't like using syscon for tinkering directly with SoC registers.
> >>
> >> This is not a SoC-level register,
Hi Tony,
On 07/23/2015 02:24 AM, Tony Lindgren wrote:
> * Suman Anna [150722 09:25]:
>> On 07/22/2015 12:26 AM, Tony Lindgren wrote:
>>>
>>> I don't like using syscon for tinkering directly with SoC registers.
>>
>> This is not a SoC-level register, but a register within a sub-module of
>> the DS
* Suman Anna [150722 09:25]:
> On 07/22/2015 12:26 AM, Tony Lindgren wrote:
> >
> > I don't like using syscon for tinkering directly with SoC registers.
>
> This is not a SoC-level register, but a register within a sub-module of
> the DSP processor sub-system. The DSP_SYSTEM sub-module in genera
Hi Tony,
On 07/22/2015 12:26 AM, Tony Lindgren wrote:
> * Suman Anna [150721 16:58]:
>> --- a/drivers/iommu/omap-iommu.c
>> +++ b/drivers/iommu/omap-iommu.c
>> @@ -26,6 +26,8 @@
>> #include
>> #include
>> #include
>> +#include
>> +#include
>>
>> #include
>>
>> @@ -112,6 +114,18 @@ v
* Suman Anna [150721 16:58]:
> --- a/drivers/iommu/omap-iommu.c
> +++ b/drivers/iommu/omap-iommu.c
> @@ -26,6 +26,8 @@
> #include
> #include
> #include
> +#include
> +#include
>
> #include
>
> @@ -112,6 +114,18 @@ void omap_iommu_restore_ctx(struct device *dev)
> }
> EXPORT_SYMBOL_
The DSP MMUs on DRA7xx SoC requires configuring an additional
MMU_CONFIG register present in the DSP_SYSTEM sub module. This
setting dictates whether the DSP Core's MDMA and EDMA traffic
is routed through the respective MMU or not. Add the support
to the OMAP iommu driver so that the traffic is not
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