[coreboot] H8QME-2+ boot problems on different machines.

[Knut Kujat]

Myles Watson escribió:
>  
>   
>>> I think this can be problematic, since by the time you can dump the
>>>       
>> factory
>>     
>>> BIOS resource allocation has already occurred.  The resource map is only
>>> good for early initialization, before resource allocation, right?
>>>       
>> hmm. I had always used the bios map as a starting point and it had
>> worked well for me.
>>     
>
> I think most of the time it should work fine, but we have some hard-coded
> addresses where the chipset is expected to live in early setup routines, and
> they might break.
>
> My resource map sets:
> DRAM mappings for each node
> MMIO mappings for each HT chain
> PCI IO mappings for each HT chain
> PCI Bus numbers for each HT chain
>
> I think they should only be needed for things like ck804_early_setup_car.c,
> where I/O is being used and set up.  If the mappings aren't configured the
> reads and writes don't reach the chipset.
>
>   
>> But maybe things are much harder now. It is true that you need to do a bit
>> of
>> interpretation of the map once the factory BIOS has set it up.
>>
>> Does resource allocation get all the bits, even legacy ones? Are there
>> not some resource map values that
>> a resource allocator can not figure out?
>>     
>
> I don't know.  Once resource allocation is done you should know where your
> VGA card is, and where your Southbridge is.  I'm probably missing something,
> but I think once resource allocation is done all of the registers that are
> touched in the resource map have been rewritten.
>
> Thanks,
> Myles
>
>
>   
Sorry I forgot to add the showroutes output:
For the good working CPU and the resource map adopted from H8DMR it this:
After finalize_node_setup
DRAM(40)0000000000-0000ffffff, ->(0), R, W, No interleave, 0
MMIO(90)0000000000-000000ffff, ->(0,0), , , CPU disable 0, Lock 0, Non
posted 0
MMIO(98)0000000000-000000ffff, ->(0,0), , , CPU disable 0, Lock 0, Non
posted 0
MMIO(a8)0000000000-000000ffff, ->(0,0), , , CPU disable 0, Lock 0, Non
posted 0
MMIO(b8)0000000000-033e26ffff, ->(5,1), , , CPU disable 0, Lock 0, Non
posted 1
PCIIO(c0)0000000-1ffffff, ->(0,2), , ,VGA 0 ISA 0
PCIIO(c8)0000000-0000fff, ->(0,0), , ,VGA 0 ISA 0
PCIIO(d0)0000000-0000fff, ->(0,0), , ,VGA 0 ISA 0
CONFIG(e0)00-05 ->(0,2),R W (bus numbers)
AFTER  setup_mb_resource
DRAM(40)0000000000-0000ffffff, ->(0), R, W, No interleave, 0
MMIO(90)0000000000-000000ffff, ->(0,0), , , CPU disable 0, Lock 0, Non
posted 0
MMIO(98)0000000000-000000ffff, ->(0,0), , , CPU disable 0, Lock 0, Non
posted 0
MMIO(a8)0000000000-000000ffff, ->(0,0), , , CPU disable 0, Lock 0, Non
posted 0
MMIO(b8)0000000000-033e26ffff, ->(5,1), , , CPU disable 0, Lock 0, Non
posted 1
PCIIO(c0)0000000-1ffffff, ->(0,2), R, W,VGA 1 ISA 1
PCIIO(c8)0000000-0000fff, ->(0,0), , ,VGA 0 ISA 0
PCIIO(d0)0000000-0000fff, ->(0,0), , ,VGA 0 ISA 0
CONFIG(e0)00-3f ->(0,2),R W (bus numbers)

And for the Not so good working CPU:
After finalize_node_setup
DRAM(40)0000000000-0000ffffff, ->(0), R, W, No interleave, 0
DRAM(48)0000000000-f800ffffff, ->(2), , , No interleave, 0
DRAM(50)0000000000-26acffffff, ->(0), , , No interleave, 0
DRAM(58)0000000000-a725ffffff, ->(4), , , No interleave, 0
DRAM(60)0000000000-c520ffffff, ->(0), , , No interleave, 1
DRAM(68)0000000000-7861ffffff, ->(3), , , No interleave, 3
DRAM(70)0000000000-0c84ffffff, ->(1), , , No interleave, 2
DRAM(78)0000000000-4992ffffff, ->(3), , , No interleave, 1
MMIO(80)0000000000-0bf611ffff, ->(6,0), , , CPU disable 0, Lock 0, Non
posted 0
MMIO(88)0000000000-05d30cffff, ->(7,1), , , CPU disable 0, Lock 0, Non
posted 1
MMIO(90)0000000000-1100b9ffff, ->(5,2), , , CPU disable 0, Lock 0, Non
posted 1
MMIO(98)0000000000-a0d18effff, ->(1,1), , , CPU disable 0, Lock 0, Non
posted 0
MMIO(a0)0000000000-584dd4ffff, ->(2,0), , , CPU disable 0, Lock 0, Non
posted 1
MMIO(a8)0000000000-3a9903ffff, ->(3,3), , , CPU disable 0, Lock 0, Non
posted 1
MMIO(b0)0000000000-1f36f0ffff, ->(5,1), , , CPU disable 0, Lock 0, Non
posted 0
MMIO(b8)0000000000-9686b0ffff, ->(1,0), , , CPU disable 0, Lock 0, Non
posted 1
PCIIO(c0)0000000-0e20fff, ->(6,0), , ,VGA 0 ISA 0
PCIIO(c8)0000000-1e65fff, ->(2,2), , ,VGA 0 ISA 0
PCIIO(d0)0000000-0782fff, ->(4,3), , ,VGA 0 ISA 0
PCIIO(d8)0000000-0819fff, ->(1,1), , ,VGA 0 ISA 0
CONFIG(e0)00-05 ->(0,2),R W (bus numbers)
AFTER  setup_mb_resource
DRAM(40)0000000000-0000ffffff, ->(0), R, W, No interleave, 0
MMIO(80)0000000000-000000ffff, ->(0,0), , , CPU disable 0, Lock 0, Non
posted 0
MMIO(90)0000000000-000000ffff, ->(0,0), , , CPU disable 0, Lock 0, Non
posted 0
MMIO(98)0000000000-000000ffff, ->(0,0), , , CPU disable 0, Lock 0, Non
posted 0
MMIO(a0)0000000000-000000ffff, ->(0,0), , , CPU disable 0, Lock 0, Non
posted 0
MMIO(a8)0000000000-000000ffff, ->(0,0), , , CPU disable 0, Lock 0, Non
posted 0
MMIO(b0)0000000000-000000ffff, ->(0,0), , , CPU disable 0, Lock 0, Non
posted 0
MMIO(b8)0000000000-9686b0ffff, ->(1,0), , , CPU disable 0, Lock 0, Non
posted 1
PCIIO(c0)0000000-1ffffff, ->(0,2), R, W,VGA 1 ISA 1
CONFIG(e0)00-3f ->(0,2),R W (bus numbers)

Notice that I haven't switched CPU but used 2 different boards for this
capture.
 thanks and bye,
Knut Kujat.