[flashrom] Development flashrom

[Agustin Isasmendi]

Pinouts launchpad CC3200. First remove jumpers!

When finished my development, Could you publish my development in your web?
I would be very happy, it is my first contribution to the community.


2016-10-17 17:59 GMT-03:00 Agustin Isasmendi <isasmendi.agus at gmail.com>:

> Hi Carl, David
>
> The launchpad CC3200 have FTDI 2232D for programming CC3200 MCU. I wanted
> to use this FT2232 with flashrom.
> I can finally use flashrom with launchpad cc3200.
>
> But i have questions about ft2232_spi.c file (attached) in line 488
> "buf[i++] = 0 & ~cs_bits; /* assertive */"
> Why sets all pins to low state? I need keep one pin to high state.The
> launchpad CC3200 requires keep Bit 7 to high state for work.
>
> It work replacement line 488 for this buf[i++] = 0x80;
> Any solution?
>
> attach img with flashrom running. Sorry for quality
>
> Reggards
>
> 2016-10-14 20:19 GMT-03:00 Carl-Daniel Hailfinger <
> c-d.hailfinger.devel.2006 at gmx.net>:
>
>> On 14.10.2016 21:24, David Hendricks wrote:
>> > What exactly are you trying to do? How do you plan to use the CC3200?
>> > How is the flash memory connected / accessed?
>> >
>> > TI has some information about flashing it
>> > here: http://processors.wiki.ti.com/index.php/CC31xx_%26_CC32xx_FT
>> DI_Flashing
>> >
>> > If you'd like, you can try adding support for the FTDI chip in
>> > ft2232_spi.c.
>>
>> There are various existing open source tools based on libftdi which
>> write the EEPROM which does the same thing as FT_PROG. Please note that
>> FT_PROG writes the configuation EEPROM of the FTDI chip, not the flash
>> chip storing the firmware of the CC3100/CC3200.
>>
>>
>> > If the FTDI D2XX is significantly different you can create a new file
>> > (ftdi_d2xx.c, for example), and use ft2232_spi.c as a template.
>>
>> I think the FTDI D2XX library has a license incompatible with flashrom.
>>
>>
>> If you want to replace TI CCS UniFlash with flashrom, it would make
>> sense to check if any protocol documentation for the UART-based flashing
>> exists. In that case you won't need D2XX or libftdi.
>>
>> Regards,
>> Carl-Daniel
>>
>
>
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