diff options
author | uwe <uwe@2b7e53f0-3cfb-0310-b3e9-8179ed1497e1> | 2011-10-20 23:14:10 +0000 |
---|---|---|
committer | uwe <uwe@2b7e53f0-3cfb-0310-b3e9-8179ed1497e1> | 2011-10-20 23:14:10 +0000 |
commit | 9eb9c96de56b3caf11b5ad97fbfb63bf316fbbd7 (patch) | |
tree | 8b58adf2bf2f4fb2c54fb563a56558671ba722ba /ft2232_spi.c | |
parent | 551f8c84a0a9d73748624d739597658d2695e335 (diff) | |
download | flashrom-9eb9c96de56b3caf11b5ad97fbfb63bf316fbbd7.tar.gz |
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@gmail.com>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
git-svn-id: https://code.coreboot.org/svn/flashrom/trunk@1453 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'ft2232_spi.c')
-rw-r--r-- | ft2232_spi.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/ft2232_spi.c b/ft2232_spi.c index 7a52718..8d89ea1 100644 --- a/ft2232_spi.c +++ b/ft2232_spi.c @@ -37,6 +37,9 @@ #define TIAO_TUMPA_PID 0x8a98 #define AMONTEC_JTAGKEY_PID 0xCFF8 +#define GOEPEL_VID 0x096C +#define GOEPEL_PICOTAP_PID 0x1449 + #define FIC_VID 0x1457 #define OPENMOKO_DBGBOARD_PID 0x5118 @@ -51,6 +54,7 @@ const struct usbdev_status devs_ft2232spi[] = { {FTDI_VID, FTDI_FT4232H_PID, OK, "FTDI", "FT4232H"}, {FTDI_VID, TIAO_TUMPA_PID, OK, "TIAO", "USB Multi-Protocol Adapter"}, {FTDI_VID, AMONTEC_JTAGKEY_PID, OK, "Amontec", "JTAGkey"}, + {GOEPEL_VID, GOEPEL_PICOTAP_PID, OK, "GOEPEL", "PicoTAP"}, {FIC_VID, OPENMOKO_DBGBOARD_PID, OK, "FIC", "OpenMoko Neo1973 Debug board (V2+)"}, {OLIMEX_VID, OLIMEX_ARM_OCD_PID, NT, "Olimex", "ARM-USB-OCD"}, @@ -176,6 +180,10 @@ int ft2232_spi_init(void) ft2232_interface = INTERFACE_A; cs_bits = 0x18; pindir = 0x1b; + } else if (!strcasecmp(arg, "picotap")) { + ft2232_vid = GOEPEL_VID; + ft2232_type = GOEPEL_PICOTAP_PID; + ft2232_interface = INTERFACE_A; } else if (!strcasecmp(arg, "tumpa")) { /* Interface A is SPI1, B is SPI2. */ ft2232_type = TIAO_TUMPA_PID; |