The target board is s3c2440.
the log is:
(gdb) monitor jtag_khz 3000
3000 kHz
(gdb) load u-boot
Loading section .text, size 0x2044c lma 0x33f80000
Loading section .rodata, size 0x1d54 lma 0x33fa044c
Loading section .rodata.str1.4, size 0x7cb7 lma 0x33fa21a0
Loading section .data, size 0x1558 lma 0x33fa9e58
Loading section .got.plt, size 0xc lma 0x33fab3b0
Loading section .got, size 0x4 lma 0x33fab3bc
Loading section .u_boot_cmd, size 0x4c8 lma 0x33fab3c0
Start address 0x33f80000, load size 178311
Transfer rate: 81 KB/sec, 11144 bytes/write.
(gdb) monitor jtag_khz 6000
6000 kHz
(gdb) load u-boot
Loading section .text, size 0x2044c lma 0x33f80000
Load failed
(gdb)
the log of openocd is:
3000 kHz
6000 kHz
Warn : Bad value '00000004' captured during DR or IR scan:
Warn : check_value: 0x00000009
Warn : check_mask: 0x00000009
Error: JTAG error while reading cpsr
openocd is 0.4
Please send me your configuration files at laurent.gauch-AT-amontec.com. I am
currious to see it.
Our Amontec JTAGkey is base ft2232d and our Amontec JTAGkey-2 is based on ft2232h.
Both JTAGkey and JTAGkey-2 works at 6MHz and the JTAGkey-2 can up to 30MHz.
The end maximum frequency of your JTAG chain is not only depending of the
ft2232 type, but is depending on the type de layout and buffer used.
The Amontec JTAGkey-2 have ultra-high-speed buffers with large output current
as 32mA. Having a strong output driver current help a lot to reach high
frequency on the JTAG Chain.
Regards,
Laurent
http://www.amntec.com
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