Messages in this thread | | | From | Arnd Bergmann <> | Subject | Re: [PATCH 06/17] pci: host: pcie-designware: Use *base-mask* for configuring the iATU | Date | Tue, 13 May 2014 15:27:46 +0200 |
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On Tuesday 13 May 2014 18:56:23 Kishon Vijay Abraham I wrote: > > If you have a case where the outbound translation is a 256MB (i.e. 28bit) > > section of the CPU address space, that could be represented as > > > > ranges = <0x82000000 0 0 0xb0000000 0 0x10000000>; > > > > or > > > > ranges = <0x82000000 0 0xb0000000 0xb0000000 0 0x10000000>; > > > > depending on whether you want the BARs to be programmed using a low > > address 0x0-0x0fffffff or an address matching the window > > 0xb0000000-0xbfffffff. > > The problem is, for configuring the window starting at 0xb0000000, the ATU > should be programmed 0x0000000 (the cpu address for it will be 0xb0000000 though). >
Then use the first of the two?
Arnd
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