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http://www.goepel.com/en/jtagboundary-scan/hardware/picotap.html
This device is actually a JTAG adapter, but since it uses standard
FT2232 A interface pins, it can be easily used as SPI programmer
(tested it here successfully). PicoTAP supports only 5V output, so one
needs to reduce this to 3.3V in a same manner as DLP Design DLP-USB1232H, see
http://flashrom.org/FT2232SPI_Programmer#DLP_Design_DLP-USB1232H
for details.
The PicoTAP pin-out is as follows:
PicoTAP | SPI
---------+-------
TCK | SCLK
TMS | CS#
TDI | SO
TDO | SI
/TRST | -
GND | GND
+5V | VCC, HOLD# & WP# after 3.3V regulator
I managed to run PicoTAP in 10MHz, 15MHz and 30MHz modes (by forcing
DIVIDE_BY), against SST25VF016B SPI flash, read/write/erase all worked
fine (write seems somewhat slow).
Corresponding to flashrom svn r1453.
Signed-off-by: Samir Ibradžić <sibradzic@gmail.com>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
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Thanks to TIAO/DIYGADGET for sponsoring a test device!
This is an FTDI FT2232H based device which provides an easily accessible JTAG,
SPI, I2C, serial breakout. The SPI part can be used to flash SPI flash chips
using flashrom.
http://www.diygadget.com/tiao-usb-multi-protocol-adapter-jtag-spi-i2c-serial.html
http://www.tiaowiki.com/w/TIAO_USB_Multi_Protocol_Adapter_User%27s_Manual#SPI_Connector_1
There are two SPI connectors (pin headers) on the board: SPI1, which is
connected to the FT2232H's A interface, and SPI2, which is connected to the
chip's B interface. Both can be used to flash SPI chips:
flashrom -p ft2232_spi:type=tumpa,port=A
flashrom -p ft2232_spi:type=tumpa,port=B
The default interface is A, so for SPI1 you can also just write:
flashrom -p ft2232_spi:type=tumpa
I tested all operations on both interfaces, everything works fine.
Corresponding to flashrom svn r1451.
Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
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Add the following missing USB devices:
- FIC OpenMoko Neo1973 Debug board (V2+)
- Olimex ARM-USB-OCD
- Olimex ARM-USB-OCD-H
- Olimex ARM-USB-TINY
- Olimex ARM-USB-TINY-H
Corresponding to flashrom svn r1340.
Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
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This allows USB-based external programmers to be used by non-root users
(which are in the 'plugdev' group). The file is to be installed by the
distros into the proper place (not sure if this is distro-specific). On
Debian the file will end up in /etc/udev/rules.d/z60_flashrom.rules.
On some systems the 'plugdev' group might have to adapted to whatever
the respective distro uses.
The following devices are listed so far:
- Amontec JTAGkey(2)
- Buspirate
- Dediprog SF100
- DLP Design DLP-USB1232H
- FTDI FT4232H Mini-Module
Corresponding to flashrom svn r1110.
Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
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