Looking for info on Embedded LinuxPPC (VME and MBX)

Looking for info on Embedded LinuxPPC (VME and MBX)

Post by Mik » Thu, 03 Sep 1998 04:00:00

I have both a VME (MVME-2603) and a couple MBX boards, and would like
to HELP on the LinuxPPC stuff.

I will have a Motorola PowerStack box in the next week or so, and plan
to use it for a development host.

Im looking for the right people to contact, documentation (even crumbs
of documentation), and what mailing list to subscribe to.




Looking for info on Embedded LinuxPPC (VME and MBX)

Post by stro » Thu, 03 Sep 1998 04:00:00

   What I'm interested in is a board with a PowerPC CPU, a to of RAM,
network booting, and a 100BT interface. A simple board with just a memory
bus and a 100BT interface would be dirt cheap to make and could run at a
very high bus speed.
   This is no other than the ideal slave machine for clusters. With one
master bootp server, a switch, and a couple dozen of these slaves you have
a cluster which is cheap to upgrade, cheap to run, and easy to maintain.
Just load the new software on your shared volume and rsh * reboot.
   Slave CPUs don't need a monitor, hard drive, or keyboard. All you pay
for is silicon!


1. Embedded PowerPC support (MBX etc)

Is there currently any development effort for the embedded powerpc
families?  I saw the corel announcment concerning the ARM port, I have
also seen DEC's work on the itsy board (also an ARM, but palm sized).  I
will be getting an MBX board fairly soon, and will be starting work on a
linux port for that for a future embedded product.  It seems that an
embedded port requires changes to the I/O structure (to support
execution from ROM, built in peripherals, no paging, and some real time

The MBX is based on the MPC821 or the MPC860.  I am getting an 821.
This has the potential for a PDA flavor of linux in just a few chips.
In fact, Motorola and ADI have announced a palm computer proto card
called the PowerPAQ.
Anyway, the 800 flavor does not have the FPU, but it does have a
comunications coprocessor.  The 821 also has a flat panel display
driver, that can drive TFT displays that are fairly large.  The 823 adds
USB to the mix.

The MBX has:
        PCI, ISA (PC-104+)
        SuperIO (IDE, FDD, 16550, lpt, PS-2)
        Ethernet (through the Com processor)
        PCMCIA (Through the MPC core)
        The PCI is supplied via the Tundra chip by QSPAN
        The ISA is on an Intel PCI-ISA bridge

Any information/support/leads would be appreciated.

Joe Julicher

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