[OpenBIOS] [Qemu-devel] Re: [PATCHv8 00/16] boot order specification
Benjamin Herrenschmidt
benh at kernel.crashing.org
Tue Dec 14 23:02:20 CET 2010
On Tue, 2010-12-14 at 22:34 +0100, Andreas Färber wrote:
> > That looks like the reg property for ide at 3 - it's a pci child, so
> > the addressing is in the pci bus. It looks like it has five BARs
> in
> > IO space, each between 4 and 10 bytes long.
>
> It was an excerpt from `dev /pci/pci-ata .properties` on
> `qemu-system-
> ppc -nographic -prom-env 'auto-boot?=false'`.
Ah ok, that's fine then. I though you were looking at the children of
pci-ata.
On a real B&W G3 it looks like this:
compatible "pci1095,646"
"pci1095,646"
"pciclass,01018f"
assigned-addresses 81010810 00000000 00001440 00000000 00000010
81010814 00000000 00001430 00000000 00000010
81010818 00000000 00001420 00000000 00000010
8101081c 00000000 00001410 00000000 00000010
81010820 00000000 00001400 00000000 00000010
#address-cells 00000001
fast-back-to-back
#size-cells 00000000
subsystem-id 00000646 (1606)
vendor-id 00001095 (4245)
device_type "pci-ide"
min-grant 00000002
revision-id 00000005
subsystem-vendor-id 00001095 (4245)
name "pci-ata"
max-latency 00000004
devsel-speed 00000001
device-id 00000646 (1606)
class-code 0001018f (65935)
reg 00010800 00000000 00000000 00000000 00000000 01010810
00000000 00000000 00000000 00000010 01010814 00000000
00000000 00000000 00000010 01010818 00000000 00000000
00000000 00000010 0101081c 00000000 00000000 00000000
00000010 01010820 00000000 00000000 00000000 00000010
interrupts 00000001
linux,phandle ff873960
ata-4 at 0:
compatible "cmd646-ata"
#address-cells 00000001
#size-cells 00000000
device_type "ata"
name "ata-4"
reg 00000000
linux,phandle ff874828
Cheers,
Ben.
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