Subject: Re: Problem with PCI bus rescan on 460EX

From: Benjamin Herrenschmidt <[email-masked]>
Date: Sun, 28 Mar 2010 20:56:31 +1100

On Sun, 2010-03-28 at 12:13 +0300, Felix Radensky wrote:

> I've tried Jesse's tree with Yinghai's patches, but they don't seem to help.
> Memory for bridge is not allocated after insertion of hotplug device and
> bus rescan. Attached dmesg output in case of success and failure.

I'd recommend that for now, your platform uses a quirk to manually
resize the bridge resource to make room for future hotplug on it.

Cheers,
Ben.

> Thanks.
> 
> Felix.
> plain text document attachment (success.txt)
> Linux version 2.6.33 ([email-masked]) (gcc version 4.2.2) #8 Sun Mar 28 12:04:25 IDT 2010
> Found legacy serial port 0 for /plb/opb/serial@ef600300
>   mem=4ef600300, taddr=4ef600300, irq=0, clk=7407407, speed=0
> Found legacy serial port 1 for /plb/opb/serial@ef600400
>   mem=4ef600400, taddr=4ef600400, irq=0, clk=7407407, speed=0
> Found legacy serial port 2 for /plb/opb/serial@ef600500
>   mem=4ef600500, taddr=4ef600500, irq=0, clk=7407407, speed=0
> Found legacy serial port 3 for /plb/opb/serial@ef600600
>   mem=4ef600600, taddr=4ef600600, irq=0, clk=7407407, speed=0
> Top of RAM: 0x30000000, Total RAM: 0x30000000
> Memory hole size: 0MB
> Zone PFN ranges:
>   DMA      0x00000000 -> 0x00030000
>   Normal   0x00030000 -> 0x00030000
> Movable zone start PFN for each node
> early_node_map[1] active PFN ranges
>     0: 0x00000000 -> 0x00030000
> On node 0 totalpages: 196608
> free_area_init_node: node 0, pgdat c02a84d0, node_mem_map c02e1000
>   DMA zone: 1536 pages used for memmap
>   DMA zone: 0 pages reserved
>   DMA zone: 195072 pages, LIFO batch:31
> MMU: Allocated 1088 bytes of context maps for 255 contexts
> Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 195072
> Kernel command line: root=/dev/nfs rw nfsroot=10.0.0.10:/opt/eldk/ppc_4xxFP ip=10.0.0.30:10.0.0.10:10.0.0.138:255.0.0.0:smbe460:eth0:off panic=1 console=ttyS0,115200
> PID hash table entries: 4096 (order: 2, 16384 bytes)
> Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
> Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
> Memory: 776500k/786432k available (2656k kernel code, 9932k reserved, 100k data, 184k bss, 132k init)
> Kernel virtual memory layout:
>   * 0xfffdf000..0xfffff000  : fixmap
>   * 0xfde00000..0xfe000000  : consistent mem
>   * 0xfde00000..0xfde00000  : early ioremap
>   * 0xf1000000..0xfde00000  : vmalloc & ioremap
> SLUB: Genslabs=11, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
> Hierarchical RCU implementation.
> NR_IRQS:512 nr_irqs:512
> UIC0 (32 IRQ sources) at DCR 0xc0
> UIC1 (32 IRQ sources) at DCR 0xd0
>   alloc irq_desc for 30 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 30 on host /interrupt-controller0 mapped to virtual irq 30
> UIC2 (32 IRQ sources) at DCR 0xe0
>   alloc irq_desc for 16 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 10 on host /interrupt-controller0 mapped to virtual irq 16
> UIC3 (32 IRQ sources) at DCR 0xf0
>   alloc irq_desc for 17 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 16 on host /interrupt-controller0 mapped to virtual irq 17
> time_init: decrementer frequency = 1000.000012 MHz
> time_init: processor frequency   = 1000.000012 MHz
> clocksource: timebase mult[400000] shift[22] registered
> clockevent: decrementer mult[80000019] shift[31] cpu[0]
> Mount-cache hash table entries: 512
> NET: Registered protocol family 16
>   alloc irq_desc for 18 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 11 on host /interrupt-controller1 mapped to virtual irq 18
> 256k L2-cache enabled
> PCI host bridge /plb/pci@c0ec00000 (primary) ranges:
>  MEM 0x0000000d80000000..0x0000000dffffffff -> 0x0000000080000000 
>  MEM 0x0000000c0ee00000..0x0000000c0eefffff -> 0x0000000000000000 
>   IO 0x0000000c08000000..0x0000000c0800ffff -> 0x0000000000000000
>  Removing ISA hole at 0x0000000c0ee00000
> 4xx PCI DMA offset set to 0x00000000
> /plb/pci@c0ec00000: Legacy ISA memory support enabled
> PCI: Probing PCI hardware
> pci_bus 0000:00: scanning bus
> pci 0000:00:02.0: found [3388:0020] class 000604 header type 01
> pci 0000:00:02.0: calling pcibios_fixup_resources+0x0/0xf4
> pci 0000:00:02.0: calling fixup_ppc4xx_pci_bridge+0x0/0x154
> pci 0000:00:02.0: calling quirk_resource_alignment+0x0/0x200
> pci 0000:00:02.0: supports D1 D2
> pci 0000:00:02.0: PME# supported from D0 D1 D2 D3hot
> pci 0000:00:02.0: PME# disabled
> pci_bus 0000:00: fixups for bus
> pci 0000:00:02.0: scanning behind bridge, config 010100, pass 0
> pci_bus 0000:01: scanning bus
> pci 0000:01:00.0: found [1575:0002] class 00ff00 header type 00
> pci 0000:01:00.0: reg 10: [mem 0x80000000-0x800fffff]
> pci 0000:01:00.0: reg 14: [mem 0x84000000-0x87ffffff]
> pci 0000:01:00.0: reg 18: [mem 0x88000000-0x8bffffff]
> pci 0000:01:00.0: reg 1c: [mem 0x8c000000-0x8c003fff]
> pci 0000:01:00.0: calling pcibios_fixup_resources+0x0/0xf4
> pci 0000:01:00.0: calling fixup_ppc4xx_pci_bridge+0x0/0x154
> pci 0000:01:00.0: calling quirk_resource_alignment+0x0/0x200
> pci_bus 0000:01: fixups for bus
> pci 0000:00:02.0: PCI bridge to [bus 01-01]
> pci 0000:00:02.0:   bridge window [io  1000 - 0000] reg reading
> pci 0000:00:02.0:   bridge window [mem 0x80000000-0x8c0fffff]
> pci 0000:00:02.0:   bridge window [mem 0x10000000 - 000fffff pref] reg reading
> pci_bus 0000:01: bus scan returning with max=01
> pci 0000:00:02.0: scanning behind bridge, config 010100, pass 1
> pci_bus 0000:00: bus scan returning with max=01
> PCI: max bus depth: 1 pci_try_num: 2
> pci 0000:00:02.0: BAR 8: assigned [mem 0xd80000000-0xd8dffffff]
> pci 0000:01:00.0: BAR 1: assigned [mem 0xd80000000-0xd83ffffff]
> pci 0000:01:00.0: BAR 1: set to [mem 0xd80000000-0xd83ffffff] (PCI address [0x80000000-0x83ffffff]
> pci 0000:01:00.0: BAR 2: assigned [mem 0xd84000000-0xd87ffffff]
> pci 0000:01:00.0: BAR 2: set to [mem 0xd84000000-0xd87ffffff] (PCI address [0x84000000-0x87ffffff]
> pci 0000:01:00.0: BAR 0: assigned [mem 0xd88000000-0xd880fffff]
> pci 0000:01:00.0: BAR 0: set to [mem 0xd88000000-0xd880fffff] (PCI address [0x88000000-0x880fffff]
> pci 0000:01:00.0: BAR 3: assigned [mem 0xd88100000-0xd88103fff]
> pci 0000:01:00.0: BAR 3: set to [mem 0xd88100000-0xd88103fff] (PCI address [0x88100000-0x88103fff]
> pci 0000:00:02.0: PCI bridge to [bus 01-01]
> pci 0000:00:02.0:   bridge window [io  disabled]
> pci 0000:00:02.0:   bridge window [mem 0xd80000000-0xd8dffffff]
> pci 0000:00:02.0:   bridge window [mem pref disabled]
> pci_bus 0000:00: resource 0 [io  0x0000-0xffff]
> pci_bus 0000:00: resource 1 [mem 0xd80000000-0xdffffffff]
> pci_bus 0000:01: resource 1 [mem 0xd80000000-0xd8dffffff]
> bio: create slab <bio-0> at 0
> SCSI subsystem initialized
> Switching to clocksource timebase
> NET: Registered protocol family 2
> IP route cache hash table entries: 32768 (order: 5, 131072 bytes)
> TCP established hash table entries: 131072 (order: 8, 1048576 bytes)
> TCP bind hash table entries: 65536 (order: 6, 262144 bytes)
> TCP: Hash tables configured (established 131072 bind 65536)
> TCP reno registered
> UDP hash table entries: 512 (order: 1, 8192 bytes)
> UDP-Lite hash table entries: 512 (order: 1, 8192 bytes)
> NET: Registered protocol family 1
> RPC: Registered udp transport module.
> RPC: Registered tcp transport module.
> RPC: Registered tcp NFSv4.1 backchannel transport module.
> pci 0000:00:02.0: calling quirk_cardbus_legacy+0x0/0x54
> pci 0000:00:02.0: calling quirk_usb_early_handoff+0x0/0x6d0
> pci 0000:01:00.0: calling quirk_cardbus_legacy+0x0/0x54
> pci 0000:01:00.0: calling quirk_usb_early_handoff+0x0/0x6d0
> PCI: CLS 32 bytes, default 32
>   alloc irq_desc for 19 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 1 on host /interrupt-controller1 mapped to virtual irq 19
>   alloc irq_desc for 20 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 1 on host /interrupt-controller0 mapped to virtual irq 20
>   alloc irq_desc for 29 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 29 on host /interrupt-controller1 mapped to virtual irq 29
>   alloc irq_desc for 21 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 30 on host /interrupt-controller1 mapped to virtual irq 21
> msgmni has been set to 1516
> io scheduler noop registered
> io scheduler deadline registered
> io scheduler cfq registered (default)
> Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
> serial8250.0: ttyS0 at MMIO 0x4ef600300 (irq = 19) is a 16550A
> console [ttyS0] enabled
> serial8250.0: ttyS1 at MMIO 0x4ef600400 (irq = 20) is a 16550A
> serial8250.0: ttyS2 at MMIO 0x4ef600500 (irq = 29) is a 16550A
> serial8250.0: ttyS3 at MMIO 0x4ef600600 (irq = 21) is a 16550A
> 4ef600300.serial: ttyS0 at MMIO 0x4ef600300 (irq = 19) is a 16550
> 4ef600400.serial: ttyS1 at MMIO 0x4ef600400 (irq = 20) is a 16550
> 4ef600500.serial: ttyS2 at MMIO 0x4ef600500 (irq = 29) is a 16550
> 4ef600600.serial: ttyS3 at MMIO 0x4ef600600 (irq = 21) is a 16550
> PPC 4xx OCP EMAC driver, version 3.54
>   alloc irq_desc for 22 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 6 on host /interrupt-controller2 mapped to virtual irq 22
>   alloc irq_desc for 23 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 7 on host /interrupt-controller2 mapped to virtual irq 23
>   alloc irq_desc for 24 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 3 on host /interrupt-controller2 mapped to virtual irq 24
>   alloc irq_desc for 25 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 4 on host /interrupt-controller2 mapped to virtual irq 25
>   alloc irq_desc for 26 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 5 on host /interrupt-controller2 mapped to virtual irq 26
> MAL v2 /plb/mcmal, 2 TX channels, 16 RX channels
> ZMII /plb/opb/emac-zmii@ef600d00 initialized
> RGMII /plb/opb/emac-rgmii@ef601500 initialized with MDIO support
> TAH /plb/opb/emac-tah@ef601350 initialized
> TAH /plb/opb/emac-tah@ef601450 initialized
>   alloc irq_desc for 27 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 16 on host /interrupt-controller2 mapped to virtual irq 27
>   alloc irq_desc for 28 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 20 on host /interrupt-controller2 mapped to virtual irq 28
> /plb/opb/emac-rgmii@ef601500: input 0 in RGMII mode
> eth0: EMAC-0 /plb/opb/ethernet@ef600e00, MAC 00:99:88:77:66:55
> eth0: found Generic MII PHY (0x00)
>   alloc irq_desc for 31 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 17 on host /interrupt-controller2 mapped to virtual irq 31
>   alloc irq_desc for 32 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 21 on host /interrupt-controller2 mapped to virtual irq 32
> /plb/opb/emac-rgmii@ef601500: input 1 in RGMII mode
> eth1: EMAC-1 /plb/opb/ethernet@ef600f00, MAC 00:99:88:77:66:56
> eth1: found Generic MII PHY (0x10)
> TCP cubic registered
> NET: Registered protocol family 17
> 802.1Q VLAN Support v1.8 Ben Greear <[email-masked]>
> All bugs added by David S. Miller <[email-masked]>
> eth0: link is down
> IP-Config: Complete:
>      device=eth0, addr=10.0.0.30, mask=255.0.0.0, gw=10.0.0.138,
>      host=smbe460, domain=, nis-domain=(none),
>      bootserver=10.0.0.10, rootserver=10.0.0.10, rootpath=
> Looking up port of RPC 100003/2 on 10.0.0.10
> eth0: link is up, 100 FDX, pause enabled
> Looking up port of RPC 100005/1 on 10.0.0.10
> VFS: Mounted root (nfs filesystem) on device 0:11.
> Freeing unused kernel memory: 132k init
> plain text document attachment (failure.txt)
> Linux version 2.6.33 ([email-masked]) (gcc version 4.2.2) #8 Sun Mar 28 12:04:25 IDT 2010
> Found legacy serial port 0 for /plb/opb/serial@ef600300
>   mem=4ef600300, taddr=4ef600300, irq=0, clk=7407407, speed=0
> Found legacy serial port 1 for /plb/opb/serial@ef600400
>   mem=4ef600400, taddr=4ef600400, irq=0, clk=7407407, speed=0
> Found legacy serial port 2 for /plb/opb/serial@ef600500
>   mem=4ef600500, taddr=4ef600500, irq=0, clk=7407407, speed=0
> Found legacy serial port 3 for /plb/opb/serial@ef600600
>   mem=4ef600600, taddr=4ef600600, irq=0, clk=7407407, speed=0
> Top of RAM: 0x30000000, Total RAM: 0x30000000
> Memory hole size: 0MB
> Zone PFN ranges:
>   DMA      0x00000000 -> 0x00030000
>   Normal   0x00030000 -> 0x00030000
> Movable zone start PFN for each node
> early_node_map[1] active PFN ranges
>     0: 0x00000000 -> 0x00030000
> On node 0 totalpages: 196608
> free_area_init_node: node 0, pgdat c02a84d0, node_mem_map c02e1000
>   DMA zone: 1536 pages used for memmap
>   DMA zone: 0 pages reserved
>   DMA zone: 195072 pages, LIFO batch:31
> MMU: Allocated 1088 bytes of context maps for 255 contexts
> Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 195072
> Kernel command line: root=/dev/nfs rw nfsroot=10.0.0.10:/opt/eldk/ppc_4xxFP ip=10.0.0.30:10.0.0.10:10.0.0.138:255.0.0.0:smbe460:eth0:off panic=1 console=ttyS0,115200
> PID hash table entries: 4096 (order: 2, 16384 bytes)
> Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
> Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
> Memory: 776500k/786432k available (2656k kernel code, 9932k reserved, 100k data, 184k bss, 132k init)
> Kernel virtual memory layout:
>   * 0xfffdf000..0xfffff000  : fixmap
>   * 0xfde00000..0xfe000000  : consistent mem
>   * 0xfde00000..0xfde00000  : early ioremap
>   * 0xf1000000..0xfde00000  : vmalloc & ioremap
> SLUB: Genslabs=11, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
> Hierarchical RCU implementation.
> NR_IRQS:512 nr_irqs:512
> UIC0 (32 IRQ sources) at DCR 0xc0
> UIC1 (32 IRQ sources) at DCR 0xd0
>   alloc irq_desc for 30 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 30 on host /interrupt-controller0 mapped to virtual irq 30
> UIC2 (32 IRQ sources) at DCR 0xe0
>   alloc irq_desc for 16 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 10 on host /interrupt-controller0 mapped to virtual irq 16
> UIC3 (32 IRQ sources) at DCR 0xf0
>   alloc irq_desc for 17 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 16 on host /interrupt-controller0 mapped to virtual irq 17
> time_init: decrementer frequency = 1000.000012 MHz
> time_init: processor frequency   = 1000.000012 MHz
> clocksource: timebase mult[400000] shift[22] registered
> clockevent: decrementer mult[80000019] shift[31] cpu[0]
> Mount-cache hash table entries: 512
> NET: Registered protocol family 16
>   alloc irq_desc for 18 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 11 on host /interrupt-controller1 mapped to virtual irq 18
> 256k L2-cache enabled
> PCI host bridge /plb/pci@c0ec00000 (primary) ranges:
>  MEM 0x0000000d80000000..0x0000000dffffffff -> 0x0000000080000000 
>  MEM 0x0000000c0ee00000..0x0000000c0eefffff -> 0x0000000000000000 
>   IO 0x0000000c08000000..0x0000000c0800ffff -> 0x0000000000000000
>  Removing ISA hole at 0x0000000c0ee00000
> 4xx PCI DMA offset set to 0x00000000
> /plb/pci@c0ec00000: Legacy ISA memory support enabled
> PCI: Probing PCI hardware
> pci_bus 0000:00: scanning bus
> pci 0000:00:02.0: found [3388:0020] class 000604 header type 01
> pci 0000:00:02.0: calling pcibios_fixup_resources+0x0/0xf4
> pci 0000:00:02.0: calling fixup_ppc4xx_pci_bridge+0x0/0x154
> pci 0000:00:02.0: calling quirk_resource_alignment+0x0/0x200
> pci 0000:00:02.0: supports D1 D2
> pci 0000:00:02.0: PME# supported from D0 D1 D2 D3hot
> pci 0000:00:02.0: PME# disabled
> pci_bus 0000:00: fixups for bus
> pci 0000:00:02.0: scanning behind bridge, config 010100, pass 0
> pci_bus 0000:01: scanning bus
> pci_bus 0000:01: fixups for bus
> pci 0000:00:02.0: PCI bridge to [bus 01-01]
> pci 0000:00:02.0:   bridge window [io  1000 - 0000] reg reading
> pci 0000:00:02.0:   bridge window [mem 0x80000000 - 0x7fffffff] reg reading
> pci 0000:00:02.0:   bridge window [mem 0x10000000 - 000fffff pref] reg reading
> pci_bus 0000:01: bus scan returning with max=01
> pci 0000:00:02.0: scanning behind bridge, config 010100, pass 1
> pci_bus 0000:00: bus scan returning with max=01
> PCI: max bus depth: 1 pci_try_num: 2
> pci 0000:00:02.0: PCI bridge to [bus 01-01]
> pci 0000:00:02.0:   bridge window [io  disabled]
> pci 0000:00:02.0:   bridge window [mem disabled]
> pci 0000:00:02.0:   bridge window [mem pref disabled]
> pci_bus 0000:00: resource 0 [io  0x0000-0xffff]
> pci_bus 0000:00: resource 1 [mem 0xd80000000-0xdffffffff]
> bio: create slab <bio-0> at 0
> SCSI subsystem initialized
> Switching to clocksource timebase
> NET: Registered protocol family 2
> IP route cache hash table entries: 32768 (order: 5, 131072 bytes)
> TCP established hash table entries: 131072 (order: 8, 1048576 bytes)
> TCP bind hash table entries: 65536 (order: 6, 262144 bytes)
> TCP: Hash tables configured (established 131072 bind 65536)
> TCP reno registered
> UDP hash table entries: 512 (order: 1, 8192 bytes)
> UDP-Lite hash table entries: 512 (order: 1, 8192 bytes)
> NET: Registered protocol family 1
> RPC: Registered udp transport module.
> RPC: Registered tcp transport module.
> RPC: Registered tcp NFSv4.1 backchannel transport module.
> pci 0000:00:02.0: calling quirk_cardbus_legacy+0x0/0x54
> pci 0000:00:02.0: calling quirk_usb_early_handoff+0x0/0x6d0
> PCI: CLS 32 bytes, default 32
>   alloc irq_desc for 19 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 1 on host /interrupt-controller1 mapped to virtual irq 19
>   alloc irq_desc for 20 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 1 on host /interrupt-controller0 mapped to virtual irq 20
>   alloc irq_desc for 29 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 29 on host /interrupt-controller1 mapped to virtual irq 29
>   alloc irq_desc for 21 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 30 on host /interrupt-controller1 mapped to virtual irq 21
> msgmni has been set to 1516
> io scheduler noop registered
> io scheduler deadline registered
> io scheduler cfq registered (default)
> Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
> serial8250.0: ttyS0 at MMIO 0x4ef600300 (irq = 19) is a 16550A
> console [ttyS0] enabled
> serial8250.0: ttyS1 at MMIO 0x4ef600400 (irq = 20) is a 16550A
> serial8250.0: ttyS2 at MMIO 0x4ef600500 (irq = 29) is a 16550A
> serial8250.0: ttyS3 at MMIO 0x4ef600600 (irq = 21) is a 16550A
> 4ef600300.serial: ttyS0 at MMIO 0x4ef600300 (irq = 19) is a 16550
> 4ef600400.serial: ttyS1 at MMIO 0x4ef600400 (irq = 20) is a 16550
> 4ef600500.serial: ttyS2 at MMIO 0x4ef600500 (irq = 29) is a 16550
> 4ef600600.serial: ttyS3 at MMIO 0x4ef600600 (irq = 21) is a 16550
> PPC 4xx OCP EMAC driver, version 3.54
>   alloc irq_desc for 22 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 6 on host /interrupt-controller2 mapped to virtual irq 22
>   alloc irq_desc for 23 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 7 on host /interrupt-controller2 mapped to virtual irq 23
>   alloc irq_desc for 24 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 3 on host /interrupt-controller2 mapped to virtual irq 24
>   alloc irq_desc for 25 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 4 on host /interrupt-controller2 mapped to virtual irq 25
>   alloc irq_desc for 26 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 5 on host /interrupt-controller2 mapped to virtual irq 26
> MAL v2 /plb/mcmal, 2 TX channels, 16 RX channels
> ZMII /plb/opb/emac-zmii@ef600d00 initialized
> RGMII /plb/opb/emac-rgmii@ef601500 initialized with MDIO support
> TAH /plb/opb/emac-tah@ef601350 initialized
> TAH /plb/opb/emac-tah@ef601450 initialized
>   alloc irq_desc for 27 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 16 on host /interrupt-controller2 mapped to virtual irq 27
>   alloc irq_desc for 28 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 20 on host /interrupt-controller2 mapped to virtual irq 28
> /plb/opb/emac-rgmii@ef601500: input 0 in RGMII mode
> eth0: EMAC-0 /plb/opb/ethernet@ef600e00, MAC 00:99:88:77:66:55
> eth0: found Generic MII PHY (0x00)
>   alloc irq_desc for 31 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 17 on host /interrupt-controller2 mapped to virtual irq 31
>   alloc irq_desc for 32 on node 0
>   alloc kstat_irqs on node 0
> irq: irq 21 on host /interrupt-controller2 mapped to virtual irq 32
> /plb/opb/emac-rgmii@ef601500: input 1 in RGMII mode
> eth1: EMAC-1 /plb/opb/ethernet@ef600f00, MAC 00:99:88:77:66:56
> eth1: found Generic MII PHY (0x10)
> TCP cubic registered
> NET: Registered protocol family 17
> 802.1Q VLAN Support v1.8 Ben Greear <[email-masked]>
> All bugs added by David S. Miller <[email-masked]>
> eth0: link is down
> IP-Config: Complete:
>      device=eth0, addr=10.0.0.30, mask=255.0.0.0, gw=10.0.0.138,
>      host=smbe460, domain=, nis-domain=(none),
>      bootserver=10.0.0.10, rootserver=10.0.0.10, rootpath=
> Looking up port of RPC 100003/2 on 10.0.0.10
> eth0: link is up, 100 FDX, pause enabled
> Looking up port of RPC 100005/1 on 10.0.0.10
> VFS: Mounted root (nfs filesystem) on device 0:11.
> Freeing unused kernel memory: 132k init
> pci_bus 0000:00: scanning bus
> pci 0000:00:02.0: scanning behind bridge, config 010100, pass 0
> pci_bus 0000:01: scanning bus
> pci 0000:01:00.0: found [1575:0002] class 00ff00 header type 00
> pci 0000:01:00.0: reg 10: [mem 0x00000000-0x000fffff]
> pci 0000:01:00.0: reg 14: [mem 0x00000000-0x03ffffff]
> pci 0000:01:00.0: reg 18: [mem 0x00000000-0x03ffffff]
> pci 0000:01:00.0: reg 1c: [mem 0x00000000-0x00003fff]
> pci 0000:01:00.0: calling pcibios_fixup_resources+0x0/0xf4
> pci 0000:01:00.0: calling fixup_ppc4xx_pci_bridge+0x0/0x154
> pci 0000:01:00.0: calling quirk_resource_alignment+0x0/0x200
> pci_bus 0000:01: bus scan returning with max=01
> pci 0000:00:02.0: scanning behind bridge, config 010100, pass 1
> pci_bus 0000:00: bus scan returning with max=01
> pci 0000:00:02.0: BAR 8: assigned [mem 0xd80000000-0xd89ffffff]
> pci 0000:01:00.0: BAR 1: assigned [mem 0xd80000000-0xd83ffffff]
> pci 0000:01:00.0: BAR 1: set to [mem 0xd80000000-0xd83ffffff] (PCI address [0x80000000-0x83ffffff]
> pci 0000:01:00.0: BAR 2: assigned [mem 0xd84000000-0xd87ffffff]
> pci 0000:01:00.0: BAR 2: set to [mem 0xd84000000-0xd87ffffff] (PCI address [0x84000000-0x87ffffff]
> pci 0000:01:00.0: BAR 0: assigned [mem 0xd88000000-0xd880fffff]
> pci 0000:01:00.0: BAR 0: set to [mem 0xd88000000-0xd880fffff] (PCI address [0x88000000-0x880fffff]
> pci 0000:01:00.0: BAR 3: assigned [mem 0xd88100000-0xd88103fff]
> pci 0000:01:00.0: BAR 3: set to [mem 0xd88100000-0xd88103fff] (PCI address [0x88100000-0x88103fff]
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