OK, I'm back after another debugging session.
With the soc-mixxeo-ports23 bitstream I get something like this in console
when connecting to port HDMI3:
dvisampler1: PLL locked
IDELAY busy timeout
dvisampler1: delays calibrated
dvisampler1: phase init OK
dvisampler1: ph: 0 0 0 // charsync:000 [0 0 0] // WER: 0 0 0 //
chansync:0 // res:0x0
dvisampler1: disconnected
dvisampler1: connected
dvisampler1: disconnected
dvisampler1: connected
dvisampler1: disconnected
dvisampler1: connected
dvisampler1: PLL locked
IDELAY busy timeout
dvisampler1: delays calibrated
dvisampler1: phase init OK
dvisampler1: ph: 0 0 0 // charsync:000 [0 0 0] // WER: 0 0 0 //
chansync:0 // res:0x0
dvisampler1: disconnected
dvisampler1: connected
(...)
when connecting to port HDMI2:
dvisampler1: connected
dvisampler1: disconnected
dvisampler1: connected
dvisampler1: disconnected
(...)
BUT, I think that with soc-mixxeo.bit bitstream SoC hangs soon after loading
netboot firmware
because with the ports23 bitstream I can see a continous output stream on
console:
read: 3008Mbps write: 0Mbps all: 3008Mbps
also, LED2 is blinking with ~1Hz frequency.
With the ports01 bistream console output freezes soon after loading netboot
firmware,
for example during
read: 3008Mbps write: 0Mbps all: 3008Mbps
or
waiting for LOCKED...ok
and LED2 stops blinking.
Adrian
On Wed 27 Nov 2013 12:00:26 CET, Sébastien Bourdeauducq wrote:
> Hi,
>
> On 11/27/2013 11:57 AM, Adrian Byszuk wrote:
>> However HDMI connection still doesn't work. Some facts that I was able
>> to check
>> when comparing with schematics on OHWR (tested on HDMI_0 port):
>> - +5V voltage is available on HDMI pin 18
>> - HPD signal (pin 19) stays low
>> - HDMI0_HPD_NOTIF signal has 3.6V
>> - HDMI0_HPD_EN has 0V
>>
>> Any ideas what to do next? Do you think it's firmware issue or should I
>> check PCB?
>
> What happens with the other three HDMI ports? If HDMI0_HPD_NOTIF goes
> high, the firmware should print a message on the console and then drive
> HDMI0_HPD_EN. But maybe it is looking at the other ports (there is one
> bitstream for ports 0/1 and another one for ports 2/3 - check that they
> are not mistaken, e.g. try all 4 ports with the same bitstream), or
> there is a connectivity problem between your measurement point of
> HDMI0_HPD_NOTIF and the FPGA pad.
>
> Sebastien
>
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