linuxbios on PPC (fwd)

[Ronald G. Minnich]

Greg Watson almost has it done.

It required a few changes to linuxbios build procedures, but not many. It 
has small impact.

ron

---------- Forwarded message ----------
Date: Mon, 10 Mar 2003 20:51:39 -0700
From: Greg Watson 
To: Ron Minnich 
Subject: linuxbios on PPC

Here's what I get so far (running from ram). Very close! The malloc 
error is because the jump to linuxbiosmain code is missing...

Greg

DINK32 [MPC7410] >>go 700100
bsp_init_memory...
i2c testing
Part Number: M4 64S0824DT1-L1L
Linuxbios release sandpoint (compiled Mar 10 2003)
Memory from 0x00000000 to 0x04000000
handle_superio start, nsuperio 1
handle_superio Pass 0, check #0, s 0070a234 s->super 0070a0dc
handle_superio: Pass 0, Superio NSC 87307
handle_superio  port 0x0, defaultport 0x3f8
handle_superio  Using port 0x3f8
handle_superio Pass 0, done #0
handle_superio done
Registered flash Am29LV800BB
Unknown flash ID: 0x60 0x00
Scanning PCI bus...PCI: pci_scan_bus for bus 0
POST: 0x24
PCI: 00:00.0 [1057/0004]
PCI: 00:0b.0 [10ad/0565]
POST: 0x25
PCI: pci_scan_bus returning with max=00
POST: 0x55
done
Allocating PCI resources...
PCI: 00:00.0 register 10(00000008), read-only ignoring it
ASSIGN RESOURCES, bus 0
PCI: 00:00.0 14 <- [0xfebff000 - 0xfebfffff] mem
ASSIGNED RESOURCES, bus 0
done.
Enabling PCI resourcess...PCI: 00:00.0 cmd <- 06
PCI: 00:0b.0 cmd <- 07
done.
Initializing PCI devices...
PCI devices initialized
Sandpoint BSP
PowerPC 7410 CPU, version 17.4
NVRAM size is 8191
Error! malloc: Free_mem_ptr >= free_mem_end_ptrPOST: 0xff

"Ronald G. Minnich"  writes:
> Greg Watson almost has it done.
>
> It required a few changes to linuxbios build procedures, but not many. It 
> has small impact.

Cool.

I would think the problem would be a missing call to elf_boot,
not jump to linuxbiosmain.

Has anyone  worked out how to boot a PPC kernel yet?
There is not a standard PPC firmware so it should be some
easier.

Do we need to talk about an etherboot port to PPC?

Is it time to start considering an  ADLO like tool
that implements openfirmware?

Ron I don't know if we will have time but I will see if I can
ring a demo out of you this afternoon, since I'm going to be down
there anyway.

Eric

[Ronald G. Minnich]

On 11 Mar 2003, Eric W. Biederman wrote:
> I would think the problem would be a missing call to elf_boot,
> not jump to linuxbiosmain.

I leave that one to Greg.
> Do we need to talk about an etherboot port to PPC?

don't know yet.
> Is it time to start considering an  ADLO like tool
> that implements openfirmware?

That's what Stefan Reinauer has been working on. Also steve james has in 
fact done a forth boot project that is almost there.
> Ron I don't know if we will have time but I will see if I can
> ring a demo out of you this afternoon, since I'm going to be down
> there anyway.

the node is off-site, but maybe Greg can bring it in tomorrow.

ron

"Ronald G. Minnich"  writes:
> On 11 Mar 2003, Eric W. Biederman wrote:
> > I would think the problem would be a missing call to elf_boot,
> > not jump to linuxbiosmain.
>
> I leave that one to Greg.
> > Do we need to talk about an etherboot port to PPC?
>
> don't know yet.

It works on Itanium so porting should not be too bad.
> > Is it time to start considering an  ADLO like tool
> > that implements openfirmware?
>
> That's what Stefan Reinauer has been working on. Also steve james has in 
> fact done a forth boot project that is almost there.

Right.
> > Ron I don't know if we will have time but I will see if I can
> > ring a demo out of you this afternoon, since I'm going to be down
> > there anyway.
>
> the node is off-site, but maybe Greg can bring it in tomorrow.

Darn.  Maybe I can just hope to meet Greg.  I'm pretty certain
I won't have time to do more than drive to the airport tomorrow.

Eric