From: Armand Ciejak <armand.ciejak@free.fr>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] DataTLBError with MPC8540
Date: Tue, 31 May 2005 16:37:23 +0200 [thread overview]
Message-ID: <d7hs5i$hbg$1@sea.gmane.org> (raw)
I'm working on porting u-boot 1.1.2 for a Metrowerks eval board.
I have modified the MPC8540ADS.h to make it compatible with the board.
I removed the RapidIO initialisation in init.S since I don't use it.
Whatever I try to do the CPU enter the DataTLBError exception:
-> If I set a breakpoint (no matter where)
-> If I step through the code
Here is a "typical" session:
BDI>info
Target CPU : MPC8560/8540 Rev.2
Target state : halted
Debug entry cause : COP halt
Current PC : 0xfffffffc
Current CR : 0x00000000
Current MSR : 0x02000200
Current LR : 0x00000000
Current CCSRBAR : 0xff700000
gdb>go
BDI>info
Target CPU : MPC8560/8540 Rev.2
Target state : running
BDI>halt
Target CPU : MPC8560/8540 Rev.2
Target state : halted
Debug entry cause : COP halt
Current PC : 0xfff81400
Current CR : 0x20000000
Current MSR : 0x00001000
Current LR : 0xfffff218
Current CCSRBAR : 0xe0000000
dear: 0x000211a8 135592
srr0: 0xfff81410 -519152 -> I know that this is not the primary source
of the DataTLBError, but I didn't find a way to stop at the first exception.
srr1: 0x00001000 4096
esr : 0x00800000 8388608
mas0: 0x00000001 1
mas1: 0x80000000 -2147483648
mas2: 0x00021000 135168
mas3: 0x00000000 0
TLB0 valid entries:
IDX PID EPN SIZE V TS RPN U0-U3 WIMGE UUUSSS
0 : 00 ff700000 4KB V 0 -> ff700000 0000 -I-G- ---RWX
16 : 00 e4010000 4KB V 0 -> e4010000 0000 ----- ---RWX
17 : 00 e4011000 4KB V 0 -> e4011000 0000 ----- ---RWX
18 : 00 e4012000 4KB V 0 -> e4012000 0000 ----- ---RWX
19 : 00 e4013000 4KB V 0 -> e4013000 0000 ----- ---RWX
TLB1 valid entries:
IDX PID EPN SIZE V TS RPN U0-U3 WIMGE UUUSSS
0 : 00 ff000000 16MB V 0 -> ff000000 0000 -I-G- ---RWX -> Flash
1 : 00 80000000 256MB V 0 -> 80000000 0000 -I-G- ---RWX -> PCI 1/2
2 : 00 90000000 256MB V 0 -> 90000000 0000 -I-G- ---RWX -> PCI 2/2
5 : 00 e0000000 64MB V 0 -> e0000000 0000 -I-G- ---RWX -> CCSRBAR
6 : 00 f0000000 64MB V 0 -> f0000000 0000 ----- ---RWX -> LBC_SDRAM
7 : 00 f8000000 16KB V 0 -> f8000000 0000 -I-G- ---RWX -> BCSR
Environment:
- Board: Metrowerks board with a MPC8540 CPU.
- U-boot version: 1.1.2
- Toolchain: ELDK3.1
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