hello,
i try to flash the u-boot of a broken MSS II with a Marvell 88f5182 cpu.
http://maxtor.nas-central.org/wiki/Category:MSS-II
Open On-Chip Debugger 1.0 (2008-06-22-10:53) svn:unknown
$URL: http://svn.berlios.de/svnroot/repos/openocd/trunk/src/openocd.c $
Error: jtag.c:1338 jtag_examine_chain(): JTAG communication failure, check connection, JTAG interface, target power etc.
Error: jtag.c:1543 jtag_init_inner(): trying to validate configured JTAG chain anyway...
Error: jtag.c:1431 jtag_validate_chain(): Error validating JTAG scan chain, IR mismatch, scan returned 0x3f
Error: jtag.c:1431 jtag_validate_chain(): Error validating JTAG scan chain, IR mismatch, scan returned 0x3f
Error: jtag.c:1431 jtag_validate_chain(): Error validating JTAG scan chain, IR mismatch, scan returned 0x3f
Error: jtag.c:1431 jtag_validate_chain(): Error validating JTAG scan chain, IR mismatch, scan returned 0x3f
Error: jtag.c:1431 jtag_validate_chain(): Error validating JTAG scan chain, IR mismatch, scan returned 0x3f
Error: jtag.c:1431 jtag_validate_chain(): Error validating JTAG scan chain, IR mismatch, scan returned 0x3f
Error: jtag.c:1552 jtag_init_inner(): Could not validate JTAG chain, exit
Info: jtag.c:1376 jtag_examine_chain(): JTAG device found: 0x07926041 (Manufacturer: 0x020, Part: 0x7926, Version: 0x0)
Error: embeddedice.c:191 embeddedice_build_reg_cache(): unknown EmbeddedICE version (comms ctrl: 0x00000018)
Info: server.c:78 add_connection(): accepting 'telnet' connection from 0
Info: jtag.c:1376 jtag_examine_chain(): JTAG device found: 0x07926041 (Manufacturer: 0x020, Part: 0x7926, Version: 0x0)
User: target.c:435 target_process_reset(): Timed out waiting for halt after reset
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
Open On-Chip Debugger
> arm7_9 dbgrq enable
use of EmbeddedICE dbgrq instead of breakpoint for target halt enabled
> reset
JTAG device found: 0x07926041 (Manufacturer: 0x020, Part: 0x7926, Version: 0x0)
Timed out waiting for halt after reset
telnet_port 4444
gdb_port 3333
interface ft2232
ft2232_layout "olimex-jtag"
ft2232_vid_pid 0x15ba 0x0004
#interface parport
#parport_port 0
#parport_cable wiggler
reset_config trst_and_srst
jtag_device 4 0x1 0xf 0xe
target feroceon little run_and_halt 0
run_and_halt_time 0 0
flash bank cfi 0xfffc0000 0x00040000 1 1 0 jedec_probe
What can i do to fix the “halt” problem?