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Add support for WCH CH341A as an SPI programmer

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Corresponding to flashrom svn r1921.

Signed-off-by: Urja Rannikko <urjaman@gmail.com>
Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Urja Rannikko <urjaman@gmail.com>
This commit is contained in:
Urja Rannikko
2016-01-31 22:10:29 +00:00
committed by Stefan Tauner
parent e49edbb898
commit 0870b02516
5 changed files with 592 additions and 3 deletions
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12
flashrom.8.tmpl
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@ -271,6 +271,8 @@ bitbanging adapter)
.sp
.BR "* pickit2_spi" " (for SPI flash ROMs accessible via Microchip PICkit2)"
.sp
.BR "* ch341a_spi" " (for SPI flash ROMs attached to WCH CH341A)"
.sp
Some programmers have optional or mandatory parameters which are described
in detail in the
.B PROGRAMMER-SPECIFIC INFORMATION
@ -1019,6 +1021,10 @@ an operation), without the
parameter, once the flash read/write operation you intended to perform has completed successfully.
.sp
Please also note that the mstarddc_spi driver only works on Linux.
.SS
.BR "ch341a_spi " programmer
The WCH CH341A programmer does not support any parameters currently. SPI frequency is fixed at 2 MHz, and CS0 is
used as per the device.
.SH EXAMPLES
To back up and update your BIOS, run
.sp
@ -1078,6 +1084,9 @@ needs userspace access to a serial port.
.BR dediprog ", " ft2232_spi ", " usbblaster_spi " and " pickit2_spi
need access to the respective USB device via libusb API version 0.1.
.sp
.BR ch341a_spi
needs access to the respective USB device via libusb API version 1.0.
.sp
.B dummy
needs no access permissions at all.
.sp
@ -1085,7 +1094,8 @@ needs no access permissions at all.
.BR gfxnvidia ", " drkaiser ", " satasii ", " satamv ", " atahpt ", " atavia " and " atapromise
have to be run as superuser/root, and need additional raw access permission.
.sp
.BR serprog ", " buspirate_spi ", " dediprog ", " usbblaster_spi ", " ft2232_spi " and " pickit2_spi
.BR serprog ", " buspirate_spi ", " dediprog ", " usbblaster_spi ", " ft2232_spi ", " pickit2_spi " and " \
ch341a_spi
can be run as normal user on most operating systems if appropriate device
permissions are set.
.sp