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| author | Marc Reilly <marc@cpdesign.com.au> | 2012-08-20 09:46:07 +1000 |
|---|---|---|
| committer | Freddie Chopin <freddie.chopin@gmail.com> | 2012-09-26 16:16:17 +0000 |
| commit | fe52282c37cc0c4ab9863e95ef6970e6fad540b4 (patch) | |
| tree | 62fe800ed0fac86ad3d286774b61be2b48cca8fa /configure.ac | |
| parent | a4830e7a6ad0c6bf954184894a0dbec74075306b (diff) | |
| download | riscv-openocd-fe52282c37cc0c4ab9863e95ef6970e6fad540b4.zip riscv-openocd-fe52282c37cc0c4ab9863e95ef6970e6fad540b4.tar.gz riscv-openocd-fe52282c37cc0c4ab9863e95ef6970e6fad540b4.tar.bz2 | |
drivers: new jtag bitbang driver using sysfs gpio
This driver implements a bitbang jtag interface using gpio lines exported via
sysfs.
The aim of this driver implementation is to use system GPIOs but to avoid the
need for an additional kernel driver.
A config suitable for RaspberryPi is included.
Change-Id: Ib2acf720247a219768d1cbfeebd88057ed2d7b8b
Signed-off-by: Marc Reilly <marc@cpdesign.com.au>
Reviewed-on: http://openocd.zylin.com/762
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
Tested-by: jenkins
Reviewed-by: Freddie Chopin <freddie.chopin@gmail.com>
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 30da60e..3665f03 100644 --- a/configure.ac +++ b/configure.ac @@ -487,6 +487,10 @@ AC_ARG_ENABLE([opendous], AS_HELP_STRING([--enable-opendous], [Enable building support for the estick/opendous JTAG Programmer]), [build_opendous=$enableval], [build_opendous=no]) +AC_ARG_ENABLE([sysfsgpio], + AS_HELP_STRING([--enable-sysfsgpio], [Enable building support for programming driven via sysfs gpios.]), + [build_sysfsgpio=$enableval], [build_sysfsgpio=no]) + AC_ARG_ENABLE([minidriver_dummy], AS_HELP_STRING([--enable-minidriver-dummy], [Enable the dummy minidriver.]), [build_minidriver_dummy=$enableval], [build_minidriver_dummy=no]) @@ -819,6 +823,12 @@ else AC_DEFINE([BUILD_REMOTE_BITBANG], [0], [0 if you don't want the Remote Bitbang JTAG driver.]) fi +if test $build_sysfsgpio = yes; then + build_bitbang=yes + AC_DEFINE([BUILD_SYSFSGPIO], [1], [1 if you want the SysfsGPIO driver.]) +else + AC_DEFINE([BUILD_SYSFSGPIO], [0], [0 if you don't want SysfsGPIO driver.]) +fi #-- Deal with MingW/Cygwin FTD2XX issues if test $is_win32 = yes; then @@ -1185,6 +1195,7 @@ AM_CONDITIONAL([BUSPIRATE], [test $build_buspirate = yes]) AM_CONDITIONAL([STLINK], [test $build_stlink = yes]) AM_CONDITIONAL([OSBDM], [test $build_osbdm = yes]) AM_CONDITIONAL([OPENDOUS], [test $build_opendous = yes]) +AM_CONDITIONAL([SYSFSGPIO], [test $build_sysfsgpio = yes]) AM_CONDITIONAL([USB], [test $build_usb = yes]) AM_CONDITIONAL([USB_NG], [test $build_usb_ng = yes]) AM_CONDITIONAL([USE_LIBUSB0], [test $use_libusb0 = yes]) |