Hi all,
I am trying to debug u-boot following the instructions in DULG 10.1.
As mentioned in 10.1.1. before relocation I connect to the target an get
desired first output:
Remote debugging using jtag:3333
0xfffffffc in ?? ()
Even without setting a breakpoint then, I just say gdb to continue:
(gdb) c
Continuing.
The output in the console then is:
U-Boot 2009.08 (Nov 25 2009 - 09:18:37)
CPU: 8568E, Version: 1.1, (0x807d0011)
Core: E500, Version: 2.2, (0x80210022)
Clock Configuration:
CPU0:1320 MHz,
CCB:528 MHz,
DDR:264 MHz (528 MT/s data rate), LBC:66 MHz
QE:528 MHz
L1: D-cache 32 kB enabled
I-cache 32 kB enabled
Board: 8568 MDS
I2C: ready
DRAM: Initializing
SDRAM: 64 MB
DDR: 512 MB (DDR2, 64-bit, CL=4, ECC off)
...and nothing further happens.
After 30 secs or so, I simply hit Ctrl-C and get:
^C
Program received signal SIGSTOP, Stopped (signal).
0x1ff70700 in ?? ()
(gdb) bt
#0 0x1ff70700 in ?? ()
#1 0x1ff71574 in ?? ()
Cannot access memory at address 0xdeadbef3
(gdb)
When I issue a "reset run" within the BDI shell, the target boots as
expected, but when I start the target with "reset halt" to debug it from the
first instruction it behaves at described above.
I am using a BDI2000 on a Freescale MPC8568E-MDS board. U-boot 2009.08 is
compiled with
make CROSS_COMPILE=ppc_85xx- MPC8568MDS_config
make CROSS_COMPILE=ppc_85xx- all
Any ideas? Is there some watchdog issue to cope with, maybe?
Cheers
Matthias
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