OpenOCD + Wiggler + TMS470 => Is this behaviour normal ??

Development Boards MicroMod
1

Hello

I have build myself a TMS470R1A64 based board and a compatible wiggler insterface. Everything seems to work, but I have very strange behaviour of some OpenOCD commands.

For example, if I try to write into memory

mww 0x1000 0xF0F0F0F0

then

mdw 0x1000

will return

0xF0F0F0F0

which is normal; but any mdw after at any adress will return the same value.

Does someone has already faced this problem ?

Maybe I am forgetting some initialisation in the TMS ?

Thank you for any information on that.

2

hi

Is that possible to boot TMS470R1A64 from external memory but i am not finding the external Address bus and data bus for this controller except the IOs .Is that Jtag ,the only way to download the boot code for this controller?

Or can we us the HET for booting the ARM in this Controller (Sorry if this is not a valid question).

If it is not possible to boot from external memmory for TMS470R1A64

then is that possible to boot from the external memory for TMS470R1B1M As this has EBM?

Thanks in Advance