I am working on T2081 custom board. After booting Linux and run the commanddmesg | grep -i pci i got some error. How to resolve these issues.
I am using t2081 evk qds devicetree
root@t2081qds:/sys/bus/pci/devices# dmesg | grep -i pci
[ 0.318064] Found FSL PCI host bridge at 0x0000000ffe270000. Firmware bus number: 0->0
[ 0.324595] PCI host bridge /pcie@ffe270000 ranges:
[ 0.342076] /pcie@ffe270000: PCICSRBAR @ 0xff000007
[ 0.345589] setup_pci_atmu: end of DRAM c0000000
[ 0.350059] /pcie@ffe270000: Setting PCI inbound window greater than memory size
[ 0.357009] EDAC PCI0: Giving out device to module MPC85xx_edac controller mpc85xx_pci_err : DEV ffe270000.pcie (INTERRUPT)
[ 0.366699] MPC85xx_edac acquired irq 23 for PCI Err
[ 0.370315] MPC85xx_edac PCI err registered
[ 0.373240] platform ffe270000.pcie:pcie@0: Invalid size 0xfffff9 for dma-range
[ 0.402817] PCI: Probing PCI hardware
[ 0.405168] fsl-pci ffe270000.pcie: PCI host bridge to bus 0000:00
[ 0.409963] pci_bus 0000:00: root bus resource [io 0x10000-0x1ffff] (bus address [0x0000- 0xffff])
[ 0.417613] pci_bus 0000:00: root bus resource [mem 0xc40000000-0xc4fffffff] (bus address [0xe0000000-0xefffffff])
[ 0.426654] pci_bus 0000:00: root bus resource [bus 00]
[ 0.430563] pci_bus 0000:00: busn_res: [bus 00] end is updated to ff
[ 0.431298] pci 0000:00:00.0: [1957:0838] type 01 class 0x0b2000
[ 0.432030] pci 0000:00:00.0: [Firmware Bug]: reg 0x10: invalid BAR (can't size)
[ 0.439082] pci 0000:00:00.0: reg 0x38: [mem 0x00000000-0x00ffffff pref]
[ 0.442327] pci 0000:00:00.0: supports D1 D2
[ 0.442331] pci 0000:00:00.0: PME# supported from D0 D1 D2 D3hot
[ 0.443943] pci 0000:00:00.0: bridge configuration invalid ([bus 00-00]), reconfiguring
[ 0.451882] pci 0000:00:00.0: PCI bridge to [bus 01-ff]
[ 0.455836] pci 0000:00:00.0: bridge window [io 0x10000-0x10fff]
[ 0.455914] pci 0000:00:00.0: bridge window [mem 0x00000000-0x000fffff]
[ 0.456111] pci 0000:00:00.0: bridge window [mem 0x00000000-0x000fffff 64bit pref]
[ 0.456411] pci_bus 0000:01: busn_res: [bus 01-ff] end is updated to 01
[ 0.456417] pci_bus 0000:00: busn_res: [bus 00-ff] end is updated to 01
[ 0.456523] PCI 0000:00 Cannot reserve Legacy IO [io 0x10000-0x10fff]
[ 0.456595] pci 0000:00:00.0: BAR 6: no space for [mem size 0x01000000 pref]
[ 0.462256] pci 0000:00:00.0: BAR 6: failed to assign [mem size 0x01000000 pref]
[ 0.468342] pci 0000:00:00.0: PCI bridge to [bus 01]
[ 0.472026] pci 0000:00:00.0: bridge window [io 0x10000-0x1ffff]
[ 0.476950] pci 0000:00:00.0: bridge window [mem 0xc40000000-0xc4fffffff]
[ 0.482812] pci_bus 0000:00: resource 4 [io 0x10000-0x1ffff]
[ 0.482816] pci_bus 0000:00: resource 5 [mem 0xc40000000-0xc4fffffff]
[ 0.482819] pci_bus 0000:01: resource 0 [io 0x10000-0x1ffff]
[ 0.482823] pci_bus 0000:01: resource 1 [mem 0xc40000000-0xc4fffffff]
[ 0.482824] PCI: Probing PCI hardware done
[ 1.516030] PCI: CLS 0 bytes, default 64
[ 1.594297] aer 0000:00:00.0:pcie02: service driver aer loaded
[ 2.024312] ehci-pci: EHCI PCI platform driver
root@t2081qds:/sys/bus/pci/devices#
Thanks and Regards,
Ravindra
