On 1 December 2017 at 17:53, Ard Biesheuvel wrote:
> On 1 December 2017 at 12:57, Leif Lindholm wrote:
>> On Thu, Nov 30, 2017 at 06:53:55PM +, Ard Biesheuvel wrote:
>>> As it turns out, it is surprisingly easy to configure both the NETSEC
>>> and eMMC devices as cache coherent for DMA, given
On 1 December 2017 at 12:57, Leif Lindholm wrote:
> On Thu, Nov 30, 2017 at 06:53:55PM +, Ard Biesheuvel wrote:
>> As it turns out, it is surprisingly easy to configure both the NETSEC
>> and eMMC devices as cache coherent for DMA, given that they are both
>> behind the same SMMU which is alre
On Thu, Nov 30, 2017 at 06:53:55PM +, Ard Biesheuvel wrote:
> As it turns out, it is surprisingly easy to configure both the NETSEC
> and eMMC devices as cache coherent for DMA, given that they are both
> behind the same SMMU which is already configured in passthrough mode
> by the firmware run
As it turns out, it is surprisingly easy to configure both the NETSEC
and eMMC devices as cache coherent for DMA, given that they are both
behind the same SMMU which is already configured in passthrough mode
by the firmware running on the SCP.
So update the static SMMU configuration to make memory
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