Exceptions during PCI initialization at u-boot

[Prabhat_Singh]

Hi all

I am getting two exceptions, that you will find in log, at the
pci_hose_read_config_byte memory is crashing that's I found in
System.map. after second exception its boots properly. I have no clue
whats happening. And why I am not able to read Configuration space of
pci. 

>From where this exception is coming?

Please help me out. What else I can check?

 

 

VPN Router Board

 

 

Vpn Router U-Boot 1.0.0 (Jun 19 2006 - 11:31:37)

 

MPC8260 Reset Status: External Soft, External Hard

 

MPC8260 Clock Configuration

 - Bus-to-Core Mult 4x, VCO Div 2, 60x Bus Freq  25-75 , Core Freq
100-300

 - dfbrg 0, corecnf 0x1a, busdf 3, cpmdf 1, plldf 0, pllmf 3

 - vco_out  400000000, scc_clk  100000000, brg_clk  100000000

 - cpu_clk  400000000, cpm_clk  200000000, bus_clk  100000000

 

CPU:   8272 (HiP7 Rev 14, Mask A.0 1K50M) at 400 MHz

Board: VPN8248

DRAM:  32 MB

total length of code       216456l   34d88value of sdrambase+ramsize
02000000 

Top of RAM usable for U-Boot at: 02000000

Reserving 211k for U-Boot at: 01fcb000

Reserving 128k for malloc() at: 01faae00

Reserving 76 Bytes for Board Info at: 01faadb4

Reserving 80 Bytes for Global Data at: 01faad64

Stack Pointer at: 01faad48

New Stack Pointer is: 01faad48

value of ret 0 

Entering reloacte

Now running in RAM - U-Boot at: 01fcb000

POST memory POST memory PASSED

PASSED

FLASH: satyam : manufacturor ID = 200020satyam: id1=22df22df

satyam: id2=0

satyam: id3=80008

16 MB

PCI Autoconfig: Memory region: [14000000-1bffffff]

PCI Autoconfig: I/O region: [1c000000-1dffffff]

Bus Fault @ 0x01fd2df8, fixup 0x00000000

Machine check in kernel mode.

Caused by (from msr): regs 01faab60 Unknown values in msr

NIP: 01FD2DF8 XER: 00000000 LR: 01FD2DF0 REGS: 01faab60 TRAP: 0200 DAR:
01FE4DB8

MSR: 00083002 EE: 0 PR: 0 FP: 1 ME: 1 IR/DR: 00

 

GPR00: 01FD3A24 01FAAC50 FFFFFFFF 00000000 8000080C 00000002 01FAAC5E
01C5D1FB 

GPR08: 01FD0084 F0010904 00000000 00000000 00000020 FFFFFFFF 01FF8000
020CB000 

GPR16: FFFFFFFF FFFFFFFF FFFFFEFF FFFFFFFF 00000000 00000000 FFFFFFFF
F0010D20 

GPR24: 00000000 00000000 01FFE39C 00000100 01FFE39C 01FAAD64 01FF8400
00000800 

Call backtrace: 

01FD3A24 01FD3BF0 01FE8B84 01FE3E04 01FD3C64 01FCFE30 01FCE48C 

machine check

VPN Router Board

 

 

Vpn Router U-Boot 1.0.0 (Jun 19 2006 - 11:31:37)

 

MPC8260 Reset Status:

 

MPC8260 Clock Configuration

 - Bus-to-Core Mult 4x, VCO Div 2, 60x Bus Freq  25-75 , Core Freq
100-300

 - dfbrg 0, corecnf 0x1a, busdf 3, cpmdf 1, plldf 0, pllmf 3

 - vco_out  400000000, scc_clk  100000000, brg_clk  100000000

 - cpu_clk  400000000, cpm_clk  200000000, bus_clk  100000000

 

CPU:   8272 (HiP7 Rev 14, Mask A.0 1K50M) at 400 MHz

Board: VPN8248

DRAM:  32 MB

total length of code       216456l   34d88value of sdrambase+ramsize
02000000 

Top of RAM usable for U-Boot at: 02000000

Reserving 211k for U-Boot at: 01fcb000

Reserving 128k for malloc() at: 01faae00

Reserving 76 Bytes for Board Info at: 01faadb4

Reserving 80 Bytes for Global Data at: 01faad64

Stack Pointer at: 01faad48

New Stack Pointer is: 01faad48

Entering reloacte

Now running in RAM - U-Boot at: 01fcb000

FLASH: satyam : manufacturor ID = 200020satyam: id1=22df22df

PCI Autoconfig: Memory region: [14000000-1bffffff]

PCI Autoconfig: I/O region: [1c000000-1dffffff]

vendor=168c

PCI Scan: Found Bus 0, Device 15, Function 0

PCI Autoconfig: BAR 0, Mem, size=0x10000, address=0x14000000

PCI Autoconfig: BAR 1, I/O, size=0xffffb000, No room in resource

PCI:     00  0f  168c  0013  0200  00

value of item =1

In:    serial

Out:   serial

Err:   serial

Chip Name  = 175a

Chip Name  = 175c

phy ID(0x02430d80) = 02430d80

Level One/ICPLUS PHY Identied IC175C Revision 0

Phy operating at 100 MBit/s in full-duplex mode

Phy operating at 100 MBit/s in full-duplex mode

U-Boot relocated to 01fcb000

Net:   value of fec FCC2 ETHERNET 

FCC2 ETHERNET

Hit any key to stop autoboot:  5  4  3  0 

satyam=>  

 

Regards'

Prabhat Singh

 

 



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