[PATCH] riscv: dts: fu740: fix size of pcie 32bit memory
Ben Dooks
ben.dooks at codethink.co.uk
Fri Jan 6 06:51:04 PST 2023
On 06/01/2023 14:07, Krzysztof Kozlowski wrote:
> On 06/01/2023 14:44, Ben Dooks wrote:
>> The 32-bit memory resource is needed for non-prefetchable memory
>> allocations on the PCIe bus, however with some cards (such as the
>> SM768) the system fails to allocate memory from this.
>>
>> Checking the allocation against the datasheet, it looks like there
>> has been a mis-calcualation of the resource for the first memory
>> region (0x0060090000..0x0070ffffff) which in the data-sheet for
>> the fu740 (v1p2) is from 0x0060000000..0x007fffffff. Changing
>> this to allocate from 0x0060090000..0x007fffffff fixes the probing
>> issues.
>>
>> Fixes: ae80d514808557018e44190 ("riscv: dts: Add PCIe support for the SiFive FU740-C000 SoC
>> ")
>
> Don't wrap lines.
>
>>
>
> Drop empty line between tags.
Thanks, will fix.
Does anyone have a chance to review and/or test this, it works for me
but I've not got a large number of devices to test with.
--
Ben Dooks http://www.codethink.co.uk/
Senior Engineer Codethink - Providing Genius
https://www.codethink.co.uk/privacy.html
More information about the linux-riscv
mailing list