pcie at ffe0a000 node deals with mini-PCIe.
one more thing, can you please tell P1020Si version. It will be there on u-boot log.
> >> >> > In order to work in legacy mode, IDSEL entries are required.
> >> >> What would the correct IDSEL entries be?
> >> the correct IDSEL values for pci0/1.
> >> that has the CE10 errata fixed, so IRQ0 is properly pulled up.
> >  Same IDSEL values are valid for P1020RDB also.
> the P1020RDB from that.
> I verified using an oscilloscope that IRQ0 indeed remains high.
interrupt-map-mask is missing here.. can you please check dts again.
> [    0.000000] Found FSL PCI host bridge at 0x00000000ffe09000.
> [    0.000000] Found FSL PCI host bridge at 0x00000000ffe0a000.
> [    0.159772] libata version 3.00 loaded.
> [    0.180293] Advanced Linux Sound Architecture Driver Version 1.0.23.
> [    0.251004] RPC: Registered udp transport module.
> [    0.255632] RPC: Registered tcp transport module.
> [    0.260308] RPC: Registered tcp NFSv4.1 backchannel transport module.
> [    0.320368] Installing knfsd (copyright (C) 1996 okir at monad.swb.de).
> [    0.326841] NTFS driver 2.1.30 [Flags: R/O].
> [    0.331296] JFFS2 version 2.2. (NAND) © 2001-2006 Red Hat, Inc.
> [    0.739787]   Amd/Fujitsu Extended Query version 1.3.
> [    0.786280] 0x000000040000-0x000000080000 : "NOR (RO) DTB Image"
> [    0.808001] 0x000000f00000-0x000001000000 : "NOR (RO) U-Boot Image"
> [    0.854259] 0x000000000000-0x000000100000 : "NAND (RO) U-Boot Image"
> [    0.861299] 0x000000100000-0x000000200000 : "NAND (RO) DTB Image"
> [    1.275929] USB Mass Storage support registered.
> [    1.548958]   No soundcards found.
> [   56.931100] VFS: Mounted root (nfs filesystem) on device 0:15.