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dirtyjtag: Add DirtyJTAG programmer

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Add a new programmer driver for the DirtyJTAG project (a USB-JTAG
firmware for STM32 MCUs).

Successfully tested with DirtyJTAG 1.4 running on an Olimex STM32-H103
development board and a SST25VF020B SPI flash chip.

Change-Id: Ic43e9a014ed7d04e429e73b30c9dcfdde1a78913
Signed-off-by: Jean THOMAS <virgule@jeanthomas.me>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/67878
Reviewed-by: Felix Singer <felixsinger@posteo.net>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
This commit is contained in:
Jean THOMAS
2022-10-11 17:54:30 +02:00
committed by Felix Singer
parent 5d3b95bbac
commit 001c87d901
8 changed files with 363 additions and 5 deletions
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20
flashrom.8.tmpl
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@ -431,6 +431,8 @@ bitbanging adapter)
.sp
.BR "* mediatek_i2c_spi" " (for SPI flash ROMs attached to some Mediatek display devices accessible over I2C)"
.sp
.BR "* dirtyjtag_spi" " (for SPI flash ROMs attached to DirtyJTAG-compatible devices)"
.sp
Some programmers have optional or mandatory parameters which are described
in detail in the
.B PROGRAMMER-SPECIFIC INFORMATION
@ -1441,6 +1443,22 @@ can be
.BR 62.5k ", " 125k ", " 250k ", " 500k ", " 1M ", " 2M " or " 4M
(in Hz). The default is a frequency of 4 MHz.
.sp
.BR "dirtyjtag_spi " programmer
.IP
An optional
.B freq
parameter specifies the frequency of the SPI bus.
Syntax is
.sp
.B " flashrom \-p dirtyjtag_spi:spispeed=frequency"
.sp
where
.B spispeed
can be
.BR any value in hertz, kilohertz or megahertz supported by the
programmer. The default is a frequency of 100 KHz.
.sp
.SS
.SS
.BR "jlink_spi " programmer
.IP
@ -1671,7 +1689,7 @@ needs no access permissions at all.
have to be run as superuser/root, and need additional raw access permission.
.sp
.BR serprog ", " buspirate_spi ", " dediprog ", " usbblaster_spi ", " ft2232_spi ", " pickit2_spi ", " \
ch341a_spi " and " digilent_spi
ch341a_spi ", " digilent_spi " and " dirtyjtag_spi
can be run as normal user on most operating systems if appropriate device
permissions are set.
.sp