Rick Altherr wrote:
>
> On Mar 17, 2009, at 6:13 AM, Dirk Behme wrote:
>
>> Rick Altherr wrote:
>>> On Mar 14, 2009, at 12:01 AM, Dirk Behme wrote:
>>>>
>>>> With recent SVN at OMAP3 based Beagle we get:
>>>>
>>>> -- cut --
>>>>
>>>>> scan_chain
>>>> TapName | Enabled | IdCode Expected IrLen
>>>> IrCap IrMask Instr
>>>> ---|
>>>> --------------------|
>>>> ---------|------------|------------|------|------|------|---------
>>>> 0 | omap3.cpu | n | 0x00000000 | 0x0b6d602f | 0x04 |
>>>> 0x01 | 0x00 | 0x0f
>>>> 1 | omap3.jrc | Y | 0x0b7ae02f | 0x0b7ae02f | 0x06 |
>>>> 0x01 | 0x0f | 0x3f
>>>>
>>>>> jtag tapenable omap3.cpu
>>>> Enabling Cortex-A8 @ OMAP3
>>>> Cortex-A8 @ OMAP3 enabled
>>>> 1
>>>>> scan_chain
>>>> TapName | Enabled | IdCode Expected IrLen
>>>> IrCap IrMask Instr
>>>> ---|
>>>> --------------------|
>>>> ---------|------------|------------|------|------|------|---------
>>>> 0 | omap3.cpu | Y | 0x00000000 | 0x0b6d602f | 0x04 |
>>>> 0x01 | 0x00 | 0x0f
>>>> 1 | omap3.jrc | Y | 0x0b7ae02f | 0x0b7ae02f | 0x06 |
>>>> 0x01 | 0x0f | 0x3f
>>>>
>>>> -- cut --
>>>>
>>>> Looking at this, I wonder
>>>>
>>>> a) if we should add "jtag tapenable omap3.cpu" command to
>>>> configuration script omap3530.cfg? I think our goal is to access/debug
>>>> the ARM, so we should enable access to it by default not needing to do
>>>> any manual steps?
>>>>
>>> Yes, it should do this automatically
>>
>> Any hint where and how to do this in config files?
>>
>> I tried something like
>>
>> $_CHIPNAME configure -event examine-end {
>> jtag tapenable omap3.cpu
>> }
>>
>> in omap3530.cfg but this fails with
>>
>> invalid command name "omap3_configure"
>>
>> with svn:1415.
>>
>> Dirk
>
>
> The first part would need to be $_CHIPNAME.cpu.
Same error:
$_CHIPNAME.cpu configure -event examine-end {
jtag tapenable omap3.cpu
}
results in
invalid command name "omap3.cpu_configure"
> That said, I'm not sure
> if examine-end is an event.
As asked above: Which event would you use? Which event is the correct
one to be executed after OpenOCD initialization is done and all
scripts are executed? I.e. which event to use to get the same
execution place as if we execute 'jtag tapenable omap3.cpu' manually
after startup?
Best regards
Dirk
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