#linux-sunxi on 2023-10-28 — irc logs at oftc.irclog.whitequark.org

2022-12-21 00:44 ChanServ changed the topic of #linux-sunxi to: Allwinner/sunxi development - Did you try looking at our wiki? https://linux-sunxi.org - Don't ask to ask. Just ask and wait for an answer! - This channel is logged at https://oftc.irclog.whitequark.org/linux-sunxi

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10:58 <daschaos> smaeul: thanks

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14:35 <MoeIcenowy> apritzel: no, instead the PCIe controller is not mapped to a real bus

14:36 <MoeIcenowy> from the perspective of controller is has plenty of space

14:36 <MoeIcenowy> but from the perspective of CPU, all the space are fake

14:36 <MoeIcenowy> there are only 64K

14:36 <MoeIcenowy> and you need to write the high bits of the address to a specified register

14:36 <MoeIcenowy> to map this part of the virtual bus to a fixed window of the real bus

14:38 <MoeIcenowy> the register is at https://github.com/Allwinner-Homlet/H6-BSP4.9-linux/blob/master/drivers/pci/host/pcie-sunxi-plat.c#L84

14:38 <MoeIcenowy> you can try to understand the usage of this register in this driver

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