Re: [PATCH v6 07/42] powerpc/powernv: Improve IO and M32 mapping

2015-08-12 Thread Gavin Shan
On Tue, Aug 11, 2015 at 12:32:13PM +1000, Alexey Kardashevskiy wrote: >On 08/11/2015 10:12 AM, Gavin Shan wrote: >>On Mon, Aug 10, 2015 at 05:40:08PM +1000, Alexey Kardashevskiy wrote: >>>On 08/06/2015 02:11 PM, Gavin Shan wrote: There're 3 windows (IO, M32 and M64) for PHB, root port and upstr

Re: [PATCH v6 07/42] powerpc/powernv: Improve IO and M32 mapping

2015-08-10 Thread Alexey Kardashevskiy
On 08/11/2015 10:12 AM, Gavin Shan wrote: On Mon, Aug 10, 2015 at 05:40:08PM +1000, Alexey Kardashevskiy wrote: On 08/06/2015 02:11 PM, Gavin Shan wrote: There're 3 windows (IO, M32 and M64) for PHB, root port and upstream These are actually IO, non-prefetchable and prefetchable windows which

Re: [PATCH v6 07/42] powerpc/powernv: Improve IO and M32 mapping

2015-08-10 Thread Gavin Shan
On Mon, Aug 10, 2015 at 05:40:08PM +1000, Alexey Kardashevskiy wrote: >On 08/06/2015 02:11 PM, Gavin Shan wrote: >>There're 3 windows (IO, M32 and M64) for PHB, root port and upstream > >These are actually IO, non-prefetchable and prefetchable windows which happen >to be IO, 32bit and 64bit windows

Re: [PATCH v6 07/42] powerpc/powernv: Improve IO and M32 mapping

2015-08-10 Thread Alexey Kardashevskiy
On 08/06/2015 02:11 PM, Gavin Shan wrote: There're 3 windows (IO, M32 and M64) for PHB, root port and upstream These are actually IO, non-prefetchable and prefetchable windows which happen to be IO, 32bit and 64bit windows but this has nothing to do with the M32/M64 BAR registers in P7IOC/PHB