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| author | Shik Chen <shik@chromium.org> | 2012-09-17 00:40:54 +0000 |
|---|---|---|
| committer | Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at> | 2012-09-17 00:40:54 +0000 |
| commit | 14fbc4b40045c6fcb345da52ab048d961fc15c6c (patch) | |
| tree | a1a39f7057203e00122fba8868097a0a2d246a88 | |
| parent | 5bfef9d3211cc8a6d3ea3fae058c704f8ace4368 (diff) | |
| download | ast2050-flashrom-14fbc4b40045c6fcb345da52ab048d961fc15c6c.zip ast2050-flashrom-14fbc4b40045c6fcb345da52ab048d961fc15c6c.tar.gz | |
Allow to select FTDI device by serial number
Requires libftdi > 0.5 (2004, commit ID a8f46ddc1595b1b07abfcce613acdafe5b8ddf9d).
Idea stolen from chromiumos commit 5eb5624aeb7e2ee483e2fa0823c4e634c8ea3e68:
http://git.chromium.org/gitweb/?p=chromiumos/third_party/flashrom.git;a=commit;h=5eb5624aeb7e2ee483e2fa0823c4e634c8ea3e68
Corresponding to flashrom svn r1599.
Signed-off-by: Shik Chen <shik@chromium.org>
Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
| -rw-r--r-- | flashrom.8 | 9 | ||||
| -rw-r--r-- | ft2232_spi.c | 4 |
2 files changed, 12 insertions, 1 deletions
@@ -573,6 +573,15 @@ The default model is and the default interface is .BR B . .sp +If there is more than one ft2232_spi-compatible device connected, you can select which one should be used by +specifying its serial number with the +.sp +.B " flashrom \-p ft2232_spi:serial=number" +.sp +syntax where +.B number +is the serial number of the device (which can be found for example in the output of lsusb -v). +.sp All models supported by the ft2232_spi driver can configure the SPI clock rate by setting a divisor. The expressible divisors are all even numbers between 2 and 2^17 (=131072) resulting in SPI clock frequencies of 6 MHz down to about 92 Hz for 12 MHz inputs. The default divisor is set to 2, but you can use another one by diff --git a/ft2232_spi.c b/ft2232_spi.c index edea1e6..1b80674 100644 --- a/ft2232_spi.c +++ b/ft2232_spi.c @@ -283,7 +283,9 @@ int ft2232_spi_init(void) msg_perr("Unable to select interface: %s\n", ftdic->error_str); } - f = ftdi_usb_open(ftdic, ft2232_vid, ft2232_type); + arg = extract_programmer_param("serial"); + f = ftdi_usb_open_desc(ftdic, ft2232_vid, ft2232_type, NULL, arg); + free(arg); if (f < 0 && f != -5) { msg_perr("Unable to open FTDI device: %d (%s)\n", f, |
