jtag/drivers: add linuxgpiod driver

New adapter driver for GPIO bitbanging over Linux GPIO descriptors
through the library libgpiod.
On Debian based distribution, the package libgpiod-dev is required
for build.

Change-Id: I1ce1a4f1ca79096d6d476b01b523c8c10f2cac07
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: http://openocd.zylin.com/5559
Tested-by: jenkins
This commit is contained in:
Antonio Borneo
2020-03-29 16:08:50 +02:00
parent ee86f3ef92
commit 93be480c90
4 changed files with 626 additions and 0 deletions

View File

@@ -137,6 +137,9 @@ m4_define([LIBFTDI_ADAPTERS],
[[presto], [ASIX Presto Adapter], [PRESTO]],
[[openjtag], [OpenJTAG Adapter], [OPENJTAG]]])
m4_define([LIBGPIOD_ADAPTERS],
[[[linuxgpiod], [Linux GPIO bitbang through libgpiod], [LINUXGPIOD]]])
m4_define([LIBJAYLINK_ADAPTERS],
[[[jlink], [SEGGER J-Link Programmer], [JLINK]]])
@@ -241,6 +244,7 @@ AC_ARG_ADAPTERS([
HIDAPI_ADAPTERS,
HIDAPI_USB1_ADAPTERS,
LIBFTDI_ADAPTERS,
LIBGPIOD_ADAPTERS,
LIBJAYLINK_ADAPTERS
],[auto])
@@ -335,6 +339,10 @@ AS_CASE([$host_os],
AC_MSG_ERROR([sysfsgpio is only available on linux])
])
AS_IF([test "x$enable_linuxgpiod" = "xyes"], [
AC_MSG_ERROR([linuxgpiod is only available on linux])
])
AS_IF([test "x$build_xlnx_pcie_xvc" = "xyes"], [
AC_MSG_ERROR([xlnx_pcie_xvc is only available on linux])
])
@@ -643,6 +651,8 @@ PKG_CHECK_MODULES([LIBFTDI], [libftdi1], [use_libftdi=yes], [
PKG_CHECK_MODULES([LIBFTDI], [libftdi], [use_libftdi=yes], [use_libftdi=no])
])
PKG_CHECK_MODULES([LIBGPIOD], [libgpiod], [use_libgpiod=yes], [use_libgpiod=no])
PKG_CHECK_MODULES([LIBJAYLINK], [libjaylink >= 0.2],
[use_libjaylink=yes], [use_libjaylink=no])
@@ -672,6 +682,7 @@ PROCESS_ADAPTERS([USB0_ADAPTERS], ["x$use_libusb0" = "xyes"], [libusb-0.1])
PROCESS_ADAPTERS([HIDAPI_ADAPTERS], ["x$use_hidapi" = "xyes"], [hidapi])
PROCESS_ADAPTERS([HIDAPI_USB1_ADAPTERS], ["x$use_hidapi" = "xyes" -a "x$use_libusb1" = "xyes"], [hidapi and libusb-1.x])
PROCESS_ADAPTERS([LIBFTDI_ADAPTERS], ["x$use_libftdi" = "xyes"], [libftdi])
PROCESS_ADAPTERS([LIBGPIOD_ADAPTERS], ["x$use_libgpiod" = "xyes"], [libgpiod])
PROCESS_ADAPTERS([LIBJAYLINK_ADAPTERS], ["x$use_internal_libjaylink" = "xyes" -o "x$use_libjaylink" = "xyes"], [libjaylink-0.2])
AS_IF([test "x$build_openjtag" = "xyes"], [
@@ -681,6 +692,10 @@ AS_IF([test "x$build_openjtag" = "xyes"], [
])
])
AS_IF([test "x$enable_linuxgpiod" != "xno"], [
build_bitbang=yes
])
AS_IF([test "x$enable_stlink" != "xno" -o "x$enable_ti_icdi" != "xno"], [
AC_DEFINE([BUILD_HLADAPTER], [1], [1 if you want the High Level JTAG driver.])
AM_CONDITIONAL([HLADAPTER], [true])
@@ -736,6 +751,7 @@ AM_CONDITIONAL([IS_WIN32], [test "x$is_win32" = "xyes"])
AM_CONDITIONAL([IS_DARWIN], [test "x$is_darwin" = "xyes"])
AM_CONDITIONAL([BITQ], [test "x$build_bitq" = "xyes"])
AM_CONDITIONAL([USE_LIBFTDI], [test "x$use_libftdi" = "xyes"])
AM_CONDITIONAL([USE_LIBGPIOD], [test "x$use_libgpiod" = "xyes"])
AM_CONDITIONAL([USE_HIDAPI], [test "x$use_hidapi" = "xyes"])
AM_CONDITIONAL([USE_LIBJAYLINK], [test "x$use_libjaylink" = "xyes"])
AM_CONDITIONAL([RSHIM], [test "x$build_rshim" = "xyes"])
@@ -807,6 +823,7 @@ echo OpenOCD configuration summary
echo --------------------------------------------------
m4_foreach([adapter], [USB1_ADAPTERS, USB0_ADAPTERS,
HIDAPI_ADAPTERS, HIDAPI_USB1_ADAPTERS, LIBFTDI_ADAPTERS,
LIBGPIOD_ADAPTERS,
LIBJAYLINK_ADAPTERS, PCIE_ADAPTERS],
[s=m4_format(["%-40s"], ADAPTER_DESC([adapter]))
AS_CASE([$ADAPTER_VAR([adapter])],