AMD E8860 on PowerPC with u-boot (T2080)

Wed Feb 21 10:38:58 UTC 2018

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.
[   10.171831] [drm] register mmio base: 0x41000000
[   10.171832] [drm] register mmio size: 262144
[   10.411061] ATOM BIOS: E268
[   10.412569] [drm] GPU not posted. posting now...
[   10.441831] radeon 0002:01:00.0: VRAM: 2048M 0x0000000000000000 -
0x000000007FFFFFFF (2048M used)
[   10.449408] radeon 0002:01:00.0: GTT: 1024M 0x0000000080000000 -
0x00000000BFFFFFFF
[   10.455771] [drm] Detected VRAM RAM=2048M, BAR=256M
[   10.459349] [drm] RAM width 128bits DDR
[   10.462455] [TTM] Zone  kernel: Available graphics memory: 1978634 kiB
[   10.467688] [TTM] Initializing pool allocator
[   10.470755] [TTM] Initializing DMA pool allocator
[   10.474194] [drm] radeon: 2048M of VRAM memory ready
[   10.477859] [drm] radeon: 1024M of GTT memory ready.
[   10.481549] [drm] Loading verde Microcode
[   10.500383] [drm] Internal thermal controller with fan control
[   10.505048] [drm] probing gen 2 caps for device 1957:830 = 73f443/e
[   10.522317] [drm] radeon: dpm initialized
[   10.539675] [drm] GART: num cpu pages 262144, num gpu pages 262144
[   10.546129] [drm] probing gen 2 caps for device 1957:830 = 73f443/e
[   10.551121] [drm] PCIE gen 3 link speeds already enabled
[   10.581276] [drm] PCIE GART of 1024M enabled (table at
0x0000000000277000).
[   10.587142] radeon 0002:01:00.0: WB enabled
[   10.590019] radeon 0002:01:00.0: fence driver on ring 0 use gpu addr
0x0000000080000c00 and cpu addr 0xc0000000ed15bc00
[   10.599515] radeon 0002:01:00.0: fence driver on ring 1 use gpu addr
0x0000000080000c04 and cpu addr 0xc0000000ed15bc04
[   10.609008] radeon 0002:01:00.0: fence driver on ring 2 use gpu addr
0x0000000080000c08 and cpu addr 0xc0000000ed15bc08
[   10.618499] radeon 0002:01:00.0: fence driver on ring 3 use gpu addr
0x0000000080000c0c and cpu addr 0xc0000000ed15bc0c
[   10.627992] radeon 0002:01:00.0: fence driver on ring 4 use gpu addr
0x0000000080000c10 and cpu addr 0xc0000000ed15bc10
[   10.639273] radeon 0002:01:00.0: fence driver on ring 5 use gpu addr
0x0000000000075a18 and cpu addr 0x8000080088db5a18
[   10.648762] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[   10.654078] [drm] Driver supports precise vblank timestamp query.
[   10.658873] radeon 0002:01:00.0: radeon: MSI limited to 32-bit
[   10.663455] radeon 0002:01:00.0: radeon: using MSI.
[   10.667069] [drm] radeon: irq initialized.
[   11.353989] [drm:.r600_ring_test [radeon]] *ERROR* radeon: ring 0 test
failed (scratch(0x850C)=0xCAFEDEAD)
[   11.362354] radeon 0002:01:00.0: disabling GPU acceleration
[   11.543395] [drm] Radeon Display Connectors
[   11.546272] [drm] Connector 0:
[   11.548027] [drm]   DP-1
[   11.549248] [drm]   HPD1
[   11.550471] [drm]   DDC: 0x6530 0x6530 0x6534 0x6534 0x6538 0x6538
0x653c 0x653c
[   11.556569] [drm]   Encoders:
[   11.558224] [drm]     DFP1: INTERNAL_UNIPHY1
[   11.561192] [drm] Connector 1:
[   11.562941] [drm]   DP-2
[   11.564162] [drm]   HPD4
[   11.565384] [drm]   DDC: 0x6560 0x6560 0x6564 0x6564 0x6568 0x6568
0x656c 0x656c
[   11.571480] [drm]   Encoders:
[   11.573136] [drm]     DFP2: INTERNAL_UNIPHY1
[   11.576103] [drm] Connector 2:
[   11.577846] [drm]   DP-3
[   11.579074] [drm]   HPD5
[   11.580297] [drm]   DDC: 0x6540 0x6540 0x6544 0x6544 0x6548 0x6548
0x654c 0x654c
[   11.586393] [drm]   Encoders:
[   11.588057] [drm]     DFP3: INTERNAL_UNIPHY2
[   11.591023] [drm] Connector 3:
[   11.592767] [drm]   DP-4
[   11.593987] [drm]   HPD6
[   11.595216] [drm]   DDC: 0x6570 0x6570 0x6574 0x6574 0x6578 0x6578
0x657c 0x657c
[   11.601313] [drm]   Encoders:
[   11.602978] [drm]     DFP4: INTERNAL_UNIPHY2
[   11.692728] radeon 0002:01:00.0: No connectors reported connected with
modes
[   11.698480] [drm] Cannot find any crtc or sizes - going 1024x768
[   11.708402] [drm] fb mappable at 0xC60478000
[   11.711369] [drm] vram apper at 0xC60000000
[   11.714242] [drm] size 3145728
[   11.715993] [drm] fb depth is 24
[   11.717910] [drm]    pitch is 4096
[   11.720091] radeon 0002:01:00.0: fb0: radeondrmfb frame buffer device
[   11.725236] radeon 0002:01:00.0: registered panic notifier
[   11.742619] [drm] Initialized radeon 2.42.0 20080528 for 0002:01:00.0 on
minor 0
[   40.806632] random: nonblocking pool is initialized

Bas Vermeulen
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