AMD E8860 on PowerPC with u-boot (T2080)

[Bas Vermeulen]

On Wed, Feb 21, 2018 at 11:43 AM, Christian König <
ckoenig.leichtzumerken at gmail.com> wrote:

> Am 21.02.2018 um 11:38 schrieb Bas Vermeulen:
>
> On Wed, Feb 21, 2018 at 10:31 AM, Michel Dänzer <michel at daenzer.net>
> wrote:
>
>> On 2018-02-21 10:18 AM, Bas Vermeulen wrote:
>> > On Wed, Feb 21, 2018 at 10:06 AM, Michel Dänzer <michel at daenzer.net
>> > <mailto:michel at daenzer.net>> wrote:
>> >
>> >     > My question is, what do I need to do to correctly initialize the
>> E8860
>> >     > board on my powerpc machine?
>> >
>> >     Start by sharing the dmesg output, and maybe also the kernel build
>> >     configuration file.
>> >
>> >
>> > Both are attached (gzipped because of size).
>>
>> It might be related to this:
>>
>> [   10.482772] radeon: No coherent DMA available.
>>
>>
> I updated my device-tree to add incoming pcie ranges, and that removes
> this error:
>
> [   10.161044] [drm] radeon kernel modesetting enabled.
> [   10.165168] [drm] initializing kernel modesetting (VERDE 0x1002:0x6822
> 0x1002:0x031E).
> [   10.171799] radeon: No coherent DMA available.
>
>
> Well that reads like the problem is still there and yes when you don't
> have coherent DMA possibility that would explain why it doesn't work.
>
> Can you provide us with a dump of /proc/iomem as well?
>

Sure:

00000000-ffffffff : System RAM
c20000000-c2fffffff : /pcie at ffe250000
  c20000000-c2fffffff : PCI Bus 0001:01
    c21000000-c210fffff : 0001:01:00.0
    c21100000-c211fffff : 0001:01:00.0
c40000000-c7fffffff : /pcie at ffe270000
  c40000000-c7fffffff : PCI Bus 0002:01
    c41000000-c4103ffff : 0002:01:00.0
    c41040000-c4105ffff : 0002:01:00.0
    c41060000-c41063fff : 0002:01:00.1
    c60000000-c6fffffff : 0002:01:00.0
fe8000000-fefffffff : fe8000000.nor
ffe008000-ffe008fff : mpc85xx_mc_err
ffe100100-ffe10017f : dma
ffe100180-ffe1001ff : dma
ffe100200-ffe10027f : dma
ffe100280-ffe1002ff : dma
ffe100400-ffe10047f : dma
ffe100480-ffe1004ff : dma
ffe100500-ffe10057f : dma
ffe100580-ffe1005ff : dma
ffe101100-ffe10117f : dma
ffe101180-ffe1011ff : dma
ffe101200-ffe10127f : dma
ffe101280-ffe1012ff : dma
ffe101400-ffe10147f : dma
ffe101480-ffe1014ff : dma
ffe101500-ffe10157f : dma
ffe101580-ffe1015ff : dma
ffe102100-ffe10217f : dma
ffe102180-ffe1021ff : dma
ffe102200-ffe10227f : dma
ffe102280-ffe1022ff : dma
ffe102400-ffe10247f : dma
ffe102480-ffe1024ff : dma
ffe102500-ffe10257f : dma
ffe102580-ffe1025ff : dma
ffe110000-ffe110fff : /soc at ffe000000/spi at 110000
ffe114000-ffe114fff : mmc0
ffe11c500-ffe11c507 : serial
ffe11c600-ffe11c607 : serial
ffe11d500-ffe11d507 : serial
ffe11d600-ffe11d607 : serial
ffe210000-ffe210fff : /soc at ffe000000/usb at 210000
  ffe210000-ffe210fff : /soc at ffe000000/usb at 210000
ffe211000-ffe211fff : /soc at ffe000000/usb at 211000
  ffe211000-ffe211fff : /soc at ffe000000/usb at 211000
ffe240e00-ffe24ffff : mpc85xx_pci_err
ffe250e00-ffe25ffff : mpc85xx_pci_err
ffe270e00-ffe27ffff : mpc85xx_pci_err
ffe400000-ffe4fffff : fman
  ffe400000-ffe45ffff : fman-muram
  ffe482000-ffe482fff : fman-port-hc
  ffe483000-ffe483fff : fman-port-hc
  ffe484000-ffe484fff : fman-port-hc
  ffe485000-ffe485fff : fman-port-hc
  ffe486000-ffe486fff : fman-port-hc
  ffe487000-ffe487fff : fman-port-hc
  ffe488000-ffe488fff : fman-port-hc
  ffe489000-ffe489fff : fman-port-hc
  ffe48a000-ffe48afff : fman-port-hc
  ffe48b000-ffe48bfff : fman-port-hc
  ffe48c000-ffe48cfff : fman-port-hc
  ffe48d000-ffe48dfff : fman-port-hc
  ffe490000-ffe490fff : fman-port-hc
  ffe491000-ffe491fff : fman-port-hc
  ffe4a8000-ffe4a8fff : fman-port-hc
  ffe4a9000-ffe4a9fff : fman-port-hc
  ffe4aa000-ffe4aafff : fman-port-hc
  ffe4ab000-ffe4abfff : fman-port-hc
  ffe4ac000-ffe4acfff : fman-port-hc
  ffe4ad000-ffe4adfff : fman-port-hc
  ffe4b0000-ffe4b0fff : fman-port-hc
  ffe4b1000-ffe4b1fff : fman-port-hc
  ffe4dc000-ffe4dcfff : fman-vsp
  ffe4e0000-ffe4e0fff : mac
  ffe4e2000-ffe4e2fff : mac
  ffe4e4000-ffe4e4fff : mac
  ffe4e6000-ffe4e6fff : mac
  ffe4f0000-ffe4f0fff : mac
  ffe4f2000-ffe4f2fff : mac
  ffe4fe000-ffe4fefff : fman-rtc

Bas Vermeulen
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