EST SBC8260 & abatron

2000-05-31 Thread Wolfgang Denk
In message <7283DE19D141D111AD0E00A0C95B195502581D61 at mail2.aiinet.com> you wrote: > > I'm having trouble accessing the upper 8MB of the 16MB SDRAM SIMM on this > board. > I'm wondering if I don't have something configured wrong in my BDI2000 > config file. Although I don't have a 8260 here to

EST SBC8260 & abatron

2000-05-31 Thread Dan Malek
"Gessner, Matt" wrote: > > A long subject... > > I'm having trouble accessing the upper 8MB of the 16MB SDRAM SIMM on this > board. > I'm wondering if I don't have something configured wrong in my BDI2000 > config file. Didn't we discuss this once before? There were some suggestions posted. > A

allocating non-cacheable regions

2000-05-31 Thread Dan Malek
Steve Rossi wrote: > does setting the _PAGE_NO_CACHE flag > for a page table entry also invalidate any cached data for that page? No. It only ensures uncached behavior when the TLB is loaded. > I am observing a write-though behavior when I write to addresses in > the _PAGE_NO_CACHE page bu

allocating non-cacheable regions

2000-05-31 Thread Tom Roberts
Dan Malek wrote: > You need to invalidate the data cache for this address and the TLB > entry for this address when you set the flag. That is probably his problem. > You also need to ensure you are not > multiple mapping the same physical address No, that is not necessary, as long as your

EST SBC8260 & abatron

2000-05-31 Thread Gessner, Matt
A long subject... I'm having trouble accessing the upper 8MB of the 16MB SDRAM SIMM on this board. I'm wondering if I don't have something configured wrong in my BDI2000 config file. Would anyone care to send me one they're using that works? Also, we're trying to load the linux kernel into this

allocating non-cacheable regions

2000-05-31 Thread Steve Rossi
I'm back on this ... with another question. Following the examples in commproc.c and enet.c - does setting the _PAGE_NO_CACHE flag for a page table entry also invalidate any cached data for that page? I am observing a write-though behavior when I write to addresses in the _PAGE_NO_CACHE page but w

IBM PowerPC - Linux Connections?

2000-05-31 Thread Mark Morrill
on 5/31/00 02:21, Geir Frode Raanes at geirfrs at invalid.ed.ntnu.no wrote: > There are many defenitions of "embedded." One of my favorites is > the negation form "not a workstation." You do not speak of an > embedded system. Most embedded systems do not have expansion > slots even if they do use

Do you have your minimum ramdisk image which can provide basic network services ?

2000-05-31 Thread Daris Nevil
Tom, I'm not sure what the Resolver Error 0 zero is either. I don't remember seeing that one. However, I do know that you don't need inetd for ping. If you want to use ping the way it is then you will need the nss libraries in addition to your /etc/protocols file. I cheated and hacked ping.c a

IBM PowerPC - Linux Connections?

2000-05-31 Thread Geir Frode Raanes
On Tue, 30 May 2000, Mark Morrill wrote: > > on 5/30/00 01:51, Geir Frode Raanes at geirfrs at invalid.ed.ntnu.no wrote: > > On Mon, 29 May 2000, Mark Morrill wrote: > >> http://www.chips.ibm.com/products/powerpc/linux/ > >> [snip] > > > > Which one - the IBM 405GP Evaluation Kit [hint] or the >

Do you have your minimum ramdisk image which can provide basic network services ?

2000-05-31 Thread Tom Roberts
Daris Nevil wrote: > The quick-and-dirty way of enabling your loopback device > is: > ifconfig lo 127.0.0.1 Yes, I did that; I get: $ ifconfig lo 127.0.0.1 127.0.0.1: Resolver Error 0 (no error) Usage: ifconfig [-a] [-i] [-v] interface [inet add