RE: PCI HotPlug and Adding Resources after Linux Boots

2009-09-25 Thread Morrison, Tom
a newbie at this level of PCI configuration). Thank you in advance to any/all who can help me figure this out! Tom >> -Original Message- [Morrison, Tom] >> >> There's a few things you can do, though I don't have time just right now >> to give you a

RE: PCI HotPlug and Adding Resources after Linux Boots

2009-09-23 Thread Morrison, Tom
associated with it... Any other thoughts - whenever you can make them - would be more than welcome! Tom >> -Original Message- >> From: Benjamin Herrenschmidt [mailto:b...@kernel.crashing.org] >> Sent: Wednesday, September 23, 2009 5:42 AM >> To: Morrison, Tom >&g

PCI HotPlug and Adding Resources after Linux Boots

2009-09-22 Thread Morrison, Tom
I am not exactly sure who to direct this question to (general Linux kernel or LinuxPPC), so I am directing to both - in hopes that someone will recognize this problem - and perhaps give me some suggestions on how to proceed... I am running Linux (2.6.23x (and 2.6.27.x)) on a MPC8572 based system

Kernel bug in 2.6.23...was: RE: How to debug a hung multi-core system....

2009-05-28 Thread Morrison, Tom
: tmorri...@empirix.com www.empirix.com >> -----Original Message- >> From: Morrison, Tom >> Sent: Thursday, May 21, 2009 11:24 AM >> To: Morrison, Tom; Kumar Gala >> Cc: linuxppc-dev@ozlabs.org; Young, Andrew; Brown, Jeff; Geary Sean- >> R60898 >&g

RE: How to debug a hung multi-core system....

2009-05-21 Thread Morrison, Tom
Just had a little conference with several co-workers...to go over results We think that LT0 (the one that maps the kernel) has been corrupted: Entry EPN RPNTID TMASK WIMGE TSIZ U0:3 X0:1 --- LT0 C

RE: How to debug a hung multi-core system....

2009-05-21 Thread Morrison, Tom
org] >> Sent: Thursday, May 21, 2009 10:45 AM >> To: Morrison, Tom >> Cc: linuxppc-dev@ozlabs.org; Young, Andrew; Brown, Jeff; Geary Sean- >> R60898 >> Subject: Re: How to debug a hung multi-core system >> >> > [Morrison, Tom] >> > >B

RE: How to debug a hung multi-core system....

2009-05-21 Thread Morrison, Tom
>> -Original Message- >> From: Kumar Gala [mailto:ga...@kernel.crashing.org] >> Sent: Thursday, May 21, 2009 9:13 AM >> To: Morrison, Tom >> Cc: linuxppc-dev@ozlabs.org; Young, Andrew; Brown, Jeff >> Subject: Re: How to debug a hung multi-cor

How to debug a hung multi-core system....

2009-05-20 Thread Morrison, Tom
All, First off, we turned SPE off completely in our build - so we could debug a much deeper problem that seems to be occurring in our application (before we try to find a potential test case for corruption of GPR registers). We have had this problem for 3 weeks, and just recently have come do

RE: MSR_SPE - being turned off...

2009-05-06 Thread Morrison, Tom
ere after the context switches back (if some other task does something else with the entire 64bits). Tom >> >> >> -Original Message- >> >> From: Kumar Gala [mailto:ga...@kernel.crashing.org] >> >> Sent: Wednesday, May 06, 2009

RE: MSR_SPE - being turned off...

2009-05-06 Thread Morrison, Tom
iginal Message- >> From: Kumar Gala [mailto:ga...@kernel.crashing.org] >> Sent: Wednesday, May 06, 2009 8:44 AM >> To: Morrison, Tom >> Cc: Michael Neuling; linuxppc-dev@ozlabs.org >> Subject: Re: MSR_SPE - being turned off... >> >> Can you describe the # of p

RE: MSR_SPE - being turned off...

2009-05-06 Thread Morrison, Tom
agement), so thank you for any insight you may have on this front... Tom >> -Original Message- >> From: Kumar Gala [mailto:ga...@kernel.crashing.org] >> Sent: Wednesday, May 06, 2009 8:32 AM >> To: Morrison, Tom >> Cc: Michael Neuling; linuxppc-dev@ozlabs.org

RE: MSR_SPE - being turned off...

2009-05-06 Thread Morrison, Tom
will keep trying thank you for your patience and suggestions on this...and I will keep working it Tom From: Kumar Gala [mailto:ga...@kernel.crashing.org] Sent: Wed 5/6/2009 12:23 AM To: Morrison, Tom Cc: Michael Neuling; linuxppc-dev@ozlabs.org Subject: Re

RE: MSR_SPE - being turned off...

2009-05-05 Thread Morrison, Tom
of each GPR into these doubles... We could then re-test and see if this helps? Tom >> -Original Message- >> From: Michael Neuling [mailto:mi...@neuling.org] >> Sent: Tuesday, May 05, 2009 8:02 PM >> To: Morrison, Tom >> Cc: Kumar Gala; linuxppc-dev@ozlabs.o

RE: MSR_SPE - being turned off...

2009-05-05 Thread Morrison, Tom
Ok...taken out... >> -Original Message- >> From: Kumar Gala [mailto:ga...@kernel.crashing.org] >> Sent: Tuesday, May 05, 2009 5:18 PM >> To: Morrison, Tom >> Cc: linuxppc-dev@ozlabs.org; Michael Neuling >> Subject: Re: MSR_SPE - being turned off... &

RE: MSR_SPE - being turned off...

2009-05-05 Thread Morrison, Tom
; -Original Message- >> From: Kumar Gala [mailto:ga...@kernel.crashing.org] >> Sent: Tuesday, May 05, 2009 7:08 AM >> To: Morrison, Tom >> Cc: linuxppc-dev@ozlabs.org >> Subject: Re: MSR_SPE - being turned off... >> >> >> On May 4, 2009, at 5

MSR_SPE - being turned off...

2009-05-04 Thread Morrison, Tom
I have both a MPC8548 SBC and MPC8572 system that are running different flavors of the same Linux - 2.6.23. I explicitly am turning it on very early on. Later, I have an application that is compiled with SPE instructions (e.g.: evstdd) , and there is where the problems happen. If I explicit

MPC8572 - IPR Register

2008-12-16 Thread Morrison, Tom
We are having a problem with an external interrupt not actually being received / detected on the MPC8572. This external device 'believes' that it has sent an interrupt (over PCIe) to the MPC8572 and we believe that the associated ExVPR register has correctly unmasked/configured this correctly. B

RE: 8572E - machine check pin (MCP0)

2008-11-25 Thread Morrison, Tom
I wrote: >> I have an external watchdog timer that is going off - and pulsing into >> the MCP0 of the 8572E. I get the printk indicating that the MCP0 went >> off - the problem is - how do I clear the condition that caused this >> because my hardware engineer swears that the pulse is ONLY 250ms -

8572E - machine check pin (MCP0)

2008-11-24 Thread Morrison, Tom
Running 2.6.23.25 kernel... I have an external watchdog timer that is going off - and pulsing into the MCP0 of the 8572E. I get the printk indicating that the MCP0 went off - the problem is - how do I clear the condition that caused this because my hardware engineer swears that the pulse is ONLY 2

Patch to fix problem? was: PCI Express between MPC8572 & PLX8616

2008-11-06 Thread Morrison, Tom
Sorry for such a wide query...but I did some searching of the linux trees... and I am at a loss to find what the below email refers to in terms of a fix for pci expressand I am having a hard time finding it in all of the commits? any pointers to the right tree and/or the specific fix would b

PCI Express between MPC8572 & PLX8616

2008-11-04 Thread Morrison, Tom
Has anybody every used this chip in their design?? FYI, we have a custom board that I am bringing up right now that has a MPC8572E that has its PCIE1 connected to the subject line PLX8616 PCI Express Switch... As part of the boot, we successfully discover config the internal bridge (i

RE: Does Dev Tree WORK with [EMAIL PROTECTED] <#address/size> = <2/1>

2008-08-12 Thread Morrison, Tom
nge = <0 ff>; ranges = <0200 0 c 6f00 c 6f00 0 8000 0100 0 000c 6E00 0 0100>; - Thank you for all your help/comments... Sincerely, Tom Morrison -Original Message- From: Becky Bruce [mailto:[EMAIL PROTECT

RE: Does Dev Tree WORK with [EMAIL PROTECTED] <#address/size> = <2/1>

2008-08-12 Thread Morrison, Tom
Thank you...I will take that recommendation... I will try that and get some results before I complete my response to Becky this morning... T -Original Message- From: Kumar Gala [mailto:[EMAIL PROTECTED] Sent: Tuesday, August 12, 2008 8:42 AM To: Morrison, Tom Cc: ppc-dev list; Becky

Does Dev Tree WORK with [EMAIL PROTECTED] <#address/size> = <2/1>

2008-08-11 Thread Morrison, Tom
I am sorry, but I've butted my head against a tree for over a week and some things just aren't making sense...especially how the prom parse code is working to exact / resolve physical addresses to then ioremap... a) Setup, I have a working MPC8548E board using 2.6.23.8 (ARCH=ppc) with PHYS/PT

uboot version for 8572CDS

2008-06-03 Thread Morrison, Tom
I am wondering if there is a development branch that contains support for the Freescale 8572CDS...Looking in the latest uboot version (1.3.3) there is support for sbc8641 & sbc8548 - but no specific support for a sbc8572? Tom Morrison Principal Software Engineer EMPIRIX 20 Crosby Drive -

Problem with PHYS_64BIT on E500 Core (2.6.23.1)

2007-11-06 Thread Morrison, Tom
I have a MPC8548E Board in which with an earlier version of the kernel (2.6.11++), we customized head_e500.S and other files to support the PHYS_64BIT & PTE_64BIT based upon the work done for PPC64. It works very well. I am attempting to update our kernel to the latest and have gotten the basic

Discontiguous Memory for MPC85xx Series

2007-08-14 Thread Morrison, Tom
I am working on a separate project where there is a discontiguous physical memory map . In looking at solutions, it looks like the way to go is to use something like a SPARSEMEM option. FWIW, it even mentions something about discontinuous memory in the Device Tree example about the 970 CPU (Doc

On the other side of early_debug...

2007-08-13 Thread Morrison, Tom
It looks like I am getting up to the point where the rootfs has been NFS mounted correctly. Whew, but the first thing the INIT program does it try to open the /dev/console device - and it goes oops: >> kernel BUG at drivers/char/tty_io.c:781! >> Oops: Exception in kernel mode, sig: 5 [#1] >> Empi

RE: Early UART setup on 2.6 kernel for mpc85xx

2007-08-13 Thread Morrison, Tom
>> In order to debug the kernel 2.6, I want setup serial port with >> UART on mpc85xx as early as possible. I add the register access >> code at the beginning of platform_init(). For example, I try >> to write THR register(0xe0004500). However the system just >> hanging there with this line.

RE: Trying to use Device Tree...and getting continuous interrupts from attached 88e1145

2007-08-13 Thread Morrison, Tom
an I had imagined... I continue to have problems, but I will itemize those in a separate email. Tom Morrison -Original Message- From: Andy Fleming [mailto:[EMAIL PROTECTED] Sent: Monday, August 06, 2007 2:10 PM To: Morrison, Tom Cc: linuxppc-dev@ozlabs.org Subject: Re: Trying to use De

Trying to use Device Tree...and getting continuous interrupts from attached 88e1145

2007-08-03 Thread Morrison, Tom
All, Connected to eth1 (etsec2) of my mpc8548 cpu is a 88E1145 and I am trying to get the core functionality running with the device tree paradigm - I know the sense of the 88E1145 is active-low for my mpc8548 board and have it working with an older 2.6.11++ kernel. I built this new kernel wi

Which Git Tree to pull from?

2007-07-24 Thread Morrison, Tom
I am a little confused here. I've been working in an older (2.6.11) ppc release and haven't been paying much attention to where I should be getting the latest / stable git tree (for powerpc). I am working on an e500/8548 branch - it looks like Kumar's Git tree looks relatively new with lo