Re: Handle openbsd,dma-constraint on armv7

2021-10-05 Thread Mark Kettenis
> Date: Tue, 5 Oct 2021 12:42:21 + > From: Visa Hankala > > On Mon, Oct 04, 2021 at 05:04:11PM +0200, Mark Kettenis wrote: > > > Date: Mon, 4 Oct 2021 13:42:48 + > > > From: Visa Hankala > > > > > > On the Zynq-7000, the lowest 512KiB of physical address space usually > > > contains

Re: Handle openbsd,dma-constraint on armv7

2021-10-05 Thread Visa Hankala
On Mon, Oct 04, 2021 at 05:04:11PM +0200, Mark Kettenis wrote: > > Date: Mon, 4 Oct 2021 13:42:48 + > > From: Visa Hankala > > > > On the Zynq-7000, the lowest 512KiB of physical address space usually > > contains RAM that is usable by the CPUs. However, many other bus > > masters, such as

Re: Handle openbsd,dma-constraint on armv7

2021-10-04 Thread Mark Kettenis
> Date: Mon, 4 Oct 2021 13:42:48 + > From: Visa Hankala > > On the Zynq-7000, the lowest 512KiB of physical address space usually > contains RAM that is usable by the CPUs. However, many other bus > masters, such as the Ethernet and SDIO controllers, are not able to > access the 256KiB range

Re: Handle openbsd,dma-constraint on armv7

2021-10-04 Thread Patrick Wildt
Am Mon, Oct 04, 2021 at 01:42:48PM + schrieb Visa Hankala: > On the Zynq-7000, the lowest 512KiB of physical address space usually > contains RAM that is usable by the CPUs. However, many other bus > masters, such as the Ethernet and SDIO controllers, are not able to > access the 256KiB range

Handle openbsd,dma-constraint on armv7

2021-10-04 Thread Visa Hankala
On the Zynq-7000, the lowest 512KiB of physical address space usually contains RAM that is usable by the CPUs. However, many other bus masters, such as the Ethernet and SDIO controllers, are not able to access the 256KiB range that starts at physical address 0x4. So far I have used a device