[SerialICE] Porting to new boards

[Myles Watson]

I'd like to have SerialICE working on my Tyan boards, but I don't see
any output from the serial port after my porting attempt.

I took a step back and tried Qemu and SimNOW.  I see the SerialICE
prompt, but I don't know how to test that interface.

SerialICE v1.5 (Jun 21 2010)

>

I was expecting to be able to enter some commands at the prompt, to
read/write memory locations and registers.

I'm attaching the patches I am working with:
emulators.diff: Add trivial support for qemu and copy support for
SimNOW from Tyan s2912 since they use the same SuperIO chip.
pci_read.diff: Add pci_read functions, since my Tyan s2895 Serial init
code uses them (copied from Coreboot)
tyan.diff: Add code for s2895 (s2892 is just a copy of s2895 right now)
debug_romstrap.diff: Make the romstrap end up looking like Coreboot's romstrap.

Status:
Qemu & SimNOW give me a prompt, but I don't know how to interact with it.
Tyan s2895 - No output.

Signed-off-by: Myles Watson <mylesgw at gmail.com>

Thanks,
Myles
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