Changeset 1453 for trunk/flashrom.8

Timestamp:

Oct 21, 2011 1:14:10 AM (19 months ago)

Author:

uwe

Message:

Add support for the GOEPEL PicoTAP programmer.

​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).

Signed-off-by: Samir Ibradžić <sibradzic@…>
Acked-by: Uwe Hermann <uwe@…>

File:

• trunk/flashrom.8 (modified) (2 diffs)

trunk/flashrom.8

@@ -200 +200 @@
 FTDI FT2232H Mini-Module, FTDI FT4232H Mini-Module, openbiosprog-spi, Amontec \
 JTAGkey/JTAGkey-tiny/JTAGkey-2, Dangerous Prototypes Bus Blaster, \
-Olimex ARM-USB-TINY/-H, Olimex ARM-USB-OCD/-H, and TIAO/DIYGADGET USB
-Multi-Protocol Adapter (TUMPA).
+Olimex ARM-USB-TINY/-H, Olimex ARM-USB-OCD/-H, TIAO/DIYGADGET USB
+Multi-Protocol Adapter (TUMPA), and GOEPEL PicoTAP.
 .sp
 .BR "* serprog" " (for flash ROMs attached to a programmer speaking serprog), \
@@ -444 +444 @@
 .BR 2232H ", " 4232H ", " jtagkey ", " busblaster ", " openmoko ", " \
 arm-usb-tiny ", " arm-usb-tiny-h ", " arm-usb-ocd ", " arm-usb-ocd-h \
-", or " tumpa
+", " tumpa ", or " picotap
 and
 .B interface