Scott Duplichan wrote: > ]PCI: 00:01.0 bridge ctrl <- 0017 > ]PCI: 00:01.0 cmd <- 04 > ]PCI: 00:02.0 bridge ctrl <- 0003 > ]PCI: 00:02.0 cmd <- 00 > ]PCI: 00:03.0 bridge ctrl <- 0003 > ]PCI: 00:03.0 cmd <- 07 > ][hang] > ] > ]00:03.0 is one of the onboard pcie devices. > ] > ]-- > ]Tobias PGP: > http://8ef7ddba.uguu.de > > The write of 07 enables memory bars, I/O bars, and bus master > for that device. You could try to dump the config space for that > device to see if memory and I/O bars are reasonable. Knowing > MTRRs and TOM would let you confirm the memory bars point to UC-IO.
Ok, it's a problem with the resource allocator.
It's allocating io 0x000-0xfff to this bridge, and the existing
'avoid legacy ports' checks don't seem to catch this.
|Done setting resources.
|Show resources in subtree (Root Device)...After assigning values.
|[...]
| PCI: 00:03.0 child on link 0 PCI: 03:00.0
| PCI: 00:03.0 resource base 0 size 1000 align 12 gran 12 limit ffff flags
60080102 index 1c
| PCI: 00:03.0 resource base fecbffff size 0 align 20 gran 20 limit fecbffff
flags 60081202 in
| PCI: 00:03.0 resource base f0000000 size 100000 align 20 gran 20 limit
fecbffff flags 600802
| PCI: 03:00.0
| PCI: 03:00.0 resource base 10 size 8 align 3 gran 3 limit ffff flags
60000100 index 10
| PCI: 03:00.0 resource base 20 size 4 align 2 gran 2 limit ffff flags
60000100 index 14
| PCI: 03:00.0 resource base 18 size 8 align 3 gran 3 limit ffff flags
60000100 index 18
| PCI: 03:00.0 resource base 24 size 4 align 2 gran 2 limit ffff flags
60000100 index 1c
| PCI: 03:00.0 resource base 0 size 10 align 4 gran 4 limit ffff flags
60000100 index 20
| PCI: 03:00.0 resource base f0000000 size 400 align 10 gran 10 limit
fecbffff flags 60000200
| PCI: 00:03.1 child on link 0 PCI: 04:00.0
| PCI: 00:03.1 resource base 1000 size 1000 align 12 gran 12 limit ffff
flags 60080102 index 1
The devices/device.c has two checks to defend legacy ports in
compute_resources and allocate_resources:
| if (resource->flags & IORESOURCE_IO) {
| /* Don't allow potential aliases over the legacy PCI
| * expansion card addresses. The legacy PCI decodes
| * only 10 bits, uses 0x100 - 0x3ff. Therefore, only
| * 0x00 - 0xff can be used out of each 0x400 block of
| * I/O space.
| */
| if ((base & 0x300) != 0) {
| base = (base & ~0x3ff) + 0x400;
| }
| /* Don't allow allocations in the VGA I/O range.
| * PCI has special cases for that.
| */
| else if ((base >= 0x3b0) && (base <= 0x3df)) {
| base = 0x3e0;
| }
| }
This doesn't prevent the bridge from getting allocated 0x0000-0x0fff.
I added
| /* exclude 0x0000 - 0x0400 legacy range */
| if (base <= 0x400) {
| base = 0x400;
| }
and now it's booting and handing off to seabios (but video card init
doesn't seem to work).
|Done setting resources.
|Show resources in subtree (Root Device)...After assigning values.
|[...]
| PCI: 00:03.0 child on link 0 PCI: 03:00.0
| PCI: 00:03.0 resource base 1000 size 1000 align 12 gran 12 limit ffff
flags 60080102 index 1
| PCI: 00:03.0 resource base fecbffff size 0 align 20 gran 20 limit fecbffff
flags 60081202 in
| PCI: 00:03.0 resource base f0000000 size 100000 align 20 gran 20 limit
fecbffff flags 600802
| PCI: 03:00.0
| PCI: 03:00.0 resource base 1010 size 8 align 3 gran 3 limit ffff flags
60000100 index 10
| PCI: 03:00.0 resource base 1020 size 4 align 2 gran 2 limit ffff flags
60000100 index 14
| PCI: 03:00.0 resource base 1018 size 8 align 3 gran 3 limit ffff flags
60000100 index 18
| PCI: 03:00.0 resource base 1024 size 4 align 2 gran 2 limit ffff flags
60000100 index 1c
| PCI: 03:00.0 resource base 1000 size 10 align 4 gran 4 limit ffff flags
60000100 index 20
| PCI: 03:00.0 resource base f0000000 size 400 align 10 gran 10 limit
fecbffff flags 60000200
| PCI: 00:03.1 child on link 0 PCI: 04:00.0
| PCI: 00:03.1 resource base 2000 size 1000 align 12 gran 12 limit ffff
flags 60080102 index 1
| PCI: 00:03.1 resource base fecbffff size 0 align 20 gran 20 limit fecbffff
flags 60081202 in
| PCI: 00:03.1 resource base f0100000 size 100000 align 20 gran 20 limit
fecbffff flags 600802
|[...]
|Start bios (version pre-0.6.2-20101020_194120-nukunuku)
|Found mainboard ASUS M2V
|Found CBFS header at 0xfffffc6e
|Ram Size=0xdfff0000 (0x0000000100000000 high)
|Relocating init from 0x000e9330 to 0xdffd6880 (size 38496)
|CPU Mhz=1001
|Found 1 cpu(s) max supported 1 cpu(s)
|Copying MPTABLE from 0xdfff0400/dfff0410 to 0x000fda50
|SMBIOS ptr=0x000fda30 table=0xdffefed0
|Scan for VGA option rom
|EHCI init on dev 00:10.4 (regs=0xf0300010)
|Found 0 lpt ports
|Found 2 serial ports
|ATA controller 0 at 1f0/3f4/0 (irq 14 dev 79)
|ATA controller 1 at 170/374/0 (irq 15 dev 79)
|ATA controller 2 at 1010/1020/0 (irq 0 dev 300)
|ATA controller 3 at 1018/1024/0 (irq 0 dev 300)
|ata1-1: Pioneer DVD-ROM ATAPIModel DVD-106S 0122 ATAPI-5 DVD/CD
|PS2 keyboard initialized
|All threads complete.
|Scan for option roms
|Press F12 for boot menu.
--
Tobias PGP: http://8ef7ddba.uguu.de
coreboot_try14.log.gz
Description: Binary data
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