=20
-----Original Message-----
From:KylongMu
Sent: Monday, September 12, 2005 10:58
To: Linuxppc-embedded@ozlabs.org
Subject: Re Re: "Lost interrupt" with promise20268 PCI-IDE=20
back the test result to you , but which PCI-IDE bridge will=20
support DMA on
MPC8540 ? I wonder the bandwidth of IDE will be a bottleneck=20
of my system
requirement .
I have run a Silicon Image SiI0680 based card on a MPC8560ADS board
without problems
Hi , all
First I according Clemens Koller' suggestion : remove DMA part ,
but the result is no change.
According Clemens Koller's message , I guess mabe the problem is on the
hardware configuration.
So I checked my schematics and
"arch/ppc/platforms/85xx/mpc85xx_ads_common.c" at line 170 .
The attached file is changed .
After these , "Lost interrupt" appears on PCI1-Slot1 , but my
PCI1-Slot2 shows no "Lost interrupt"
the .config file is still without change .
Another new problem is I can't mount it on , I attached the steps
message of new operation.
Please help me check it .
Thanks a lot !
Rune Torgersen wrote :
I have run a Silicon Image SiI0680 based card on a MPC8560ADS board without
problems
Clemens Koller wrote:
Try to turn off DMA. It doesn't work yet AFAIK.
I am using a PDC20269 on PCI on a MPC8540, too. See my .config file...
I didn't focus on this problem yet. Let me know if you get it going.
My board PM854 is similar to the MPC8540_ADS
Hello, KylongMu, Rune!
(Please reply to the thread.)
First I according Clemens Koller' suggestion : remove DMA part ,
but the result is no change.
Okay, sorry if my 'workaround' (let's call it 'cheat') didn't do it for you...
According Clemens Koller's message , I guess mabe the problem is on the
hardware configuration.
So I checked my schematics and
"arch/ppc/platforms/85xx/mpc85xx_ads_common.c" at line 170 .
The attached file is changed .
After these , "Lost interrupt" appears on PCI1-Slot1 , but my
PCI1-Slot2 shows no "Lost interrupt"
the .config file is still without change .
Another new problem is I can't mount it on , I attached the steps
message of new operation.
Please help me check it .
To be honest, I didn't tell you that there are still issues with my
mpc85xx_map_irq() and friends(). I didn't fix the table for my board
yet as the official CR854 demo board has only on PCI slot and I just
didn't care about proper IDSEL->IRQ mapping.
The hardware add-on we design should be compatible to the ADS board (or to
be precise to the default mpc8540_ads behaviour in the kernel) as much
as possible, so there should be no need for a separate platform port.
Rune Torgersen wrote :
quoted
I have run a Silicon Image SiI0680 based card on a MPC8560ADS board without
problems
Yes, but AFAIK it's only 32bit/33MHz PCI and therefore not speedy enough for
the things we want to achieve (100..200Mbyte+/sec).
So, this problem with the PDC has to be fixed... but it will take some time.
Best greets,
Clemens Koller
_______________________________
R&D Imaging Devices
Anagramm GmbH
Rupert-Mayer-Str. 45/1
81379 Muenchen
Germany
http://www.anagramm.de
Phone: +49-89-741518-50
Fax: +49-89-741518-19