Split BeagleBone Black GPMC support files into new libbbbgpmc library

master
Timothy Pearson 10 years ago
parent 3f9540b30f
commit 0c1f26e94b

6
.gitmodules vendored

@ -70,3 +70,9 @@
[submodule "servers/serial_server_lin/cmake"]
path = servers/serial_server_lin/cmake
url = http://system@scm.trinitydesktop.org/scm/git/tde-common-cmake
[submodule "lib/libbbbgpmc/admin"]
path = lib/libbbbgpmc/admin
url = http://system@scm.trinitydesktop.org/scm/git/tde-common-admin
[submodule "lib/libbbbgpmc/cmake"]
path = lib/libbbbgpmc/cmake
url = http://system@scm.trinitydesktop.org/scm/git/tde-common-cmake

@ -0,0 +1 @@
Timothy Pearson <kb9vqf@pearsoncomputing.net>

@ -0,0 +1,340 @@
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@ -0,0 +1 @@
2012-05-17 - Initial Release

@ -0,0 +1,167 @@
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script, and exit.
`configure' also accepts some other, not widely useful, options.

@ -0,0 +1,22 @@
SUBDIRS = $(TOPSUBDIRS)
$(top_srcdir)/configure.in: configure.in.in $(top_srcdir)/subdirs
cd $(top_srcdir) && $(MAKE) -f admin/Makefile.common configure.in ;
$(top_srcdir)/subdirs:
cd $(top_srcdir) && $(MAKE) -f admin/Makefile.common subdirs
$(top_srcdir)/acinclude.m4: $(top_srcdir)/admin/acinclude.m4.in $(top_srcdir)/admin/libtool.m4.in
@cd $(top_srcdir) && cat admin/acinclude.m4.in admin/libtool.m4.in > acinclude.m4
MAINTAINERCLEANFILES = subdirs configure.in acinclude.m4 configure.files
package-messages:
cd $(top_srcdir) && $(MAKE) -f admin/Makefile.common package-messages
$(MAKE) -C po merge
EXTRA_DIST = admin COPYING configure.in.in
dist-hook:
cd $(top_distdir) && perl admin/am_edit -padmin
cd $(top_distdir) && $(MAKE) -f admin/Makefile.common subdirs

@ -0,0 +1,10 @@
all:
@echo "This Makefile is only for the CVS repository"
@echo "This will be deleted before making the distribution"
@echo ""
$(MAKE) -f admin/Makefile.common cvs
dist:
$(MAKE) -f admin/Makefile.common dist
.SILENT:

@ -0,0 +1 @@
Subproject commit 04db460623e1f235e7239f08fdcc2d0ef72636af

@ -0,0 +1 @@
Subproject commit 1994b808819fd74446cb8f1a0491b3e10244f463

@ -0,0 +1,2 @@
./admin/configure.in.min
configure.in.in

@ -0,0 +1,15 @@
#MIN_CONFIG(3.2.0)
AM_INIT_AUTOMAKE(autostart, 0.1)
AC_C_BIGENDIAN
AC_CHECK_KDEMAXPATHLEN
# These numbers should be tweaked on every release. Read carefully:
# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
# http://sourceware.org/autobook/autobook/autobook_91.html
lt_current="1"
lt_revision="0"
lt_age="0"
AC_SUBST(lt_current)
AC_SUBST(lt_revision)
AC_SUBST(lt_age)

@ -0,0 +1,5 @@
libbbbgpmc (0.1-0ubuntu0) karmic; urgency=low
* Karmic rebuild
-- Timothy Pearson <kb9vqf@pearsoncomputing.net> Thu, 02 July 2009 16:08:00 -0600

@ -0,0 +1,23 @@
Source: libbbbgpmc
Section: libs
Priority: optional
Maintainer: Timothy Pearson <kb9vqf@pearsoncomputing.net>
Build-Depends: debhelper (>= 5), cdbs, tdelibs14-trinity-dev, automake, autoconf, libtool, libltdl-dev
Standards-Version: 3.8.4
Package: libbbbgpmc
Section: libs
Architecture: any
Depends: ${shlibs:Depends}, ${misc:Depends}
Description: BeagleBone Black GPMC shared library
Shared objects for the Remote Laboratory Access system
.
libbbbgpmc contains the library of libbbbgpmc.
Package: libbbbgpmc-dev
Architecture: any
Depends: libtqtrla (= ${binary:Version})
Description: BeagleBone Black GPMC shared library
Shared objects for the Remote Laboratory Access system
.
libbbbgpmc-dev contains development files and documentation.

@ -0,0 +1,31 @@
This package was debianized by Timothy Pearson <kb9vqf@pearsoncomputing.net> on
Thu, 17 May 2012 19:52:51 +0100.
It was downloaded from http://www.trinitydesktop.org
Upstream Author: Timothy Pearson <kb9vqf@pearsoncomputing.net>
copyright (C) 2012 Timothy Pearson <kb9vqf@pearsoncomputing.net>
License:
This package is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This package is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this package; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
On Debian systems, the complete text of the GNU General
Public License can be found in `/usr/share/common-licenses/GPL'.
The Debian packaging is (C) 2012, Timothy Pearson <kb9vqf@pearsoncomputing.net> and
is licensed under the GPL, see above.

@ -0,0 +1,3 @@
debian/tmp/opt/trinity/include/*
debian/tmp/opt/trinity/lib/lib*.so
debian/tmp/opt/trinity/lib/*.la

@ -0,0 +1 @@
debian/tmp/opt/trinity/lib/lib*.so.*

@ -0,0 +1,27 @@
#!/usr/bin/make -f
include /usr/share/cdbs/1/rules/simple-patchsys.mk
include /usr/share/cdbs/1/class/autotools.mk
include /usr/share/cdbs/1/rules/debhelper.mk
DEB_CONFIGURE_INCLUDEDIR := /opt/trinity/include/tde
DEB_CONFIGURE_MANDIR := /opt/trinity/share/man
DEB_CONFIGURE_PREFIX := /opt/trinity
DEB_CONFIGURE_INFODIR := /opt/trinity/share/info
cdbs_configure_flags := --with-qt-dir=/usr/share/qt3 --disable-rpath --with-xinerama $(cdbs_kde_enable_final) $(cdbs_kde_enable_debug)
DEB_DH_BUILDDEB_ARGS += -- -Z$(shell dpkg-deb --help | grep -q ":.* xz[,.]" \
&& echo xz || echo bzip2)
post-patches:: debian/stamp-bootstrap
debian/stamp-bootstrap:
! [ -f /usr/share/libtool/ltmain.sh ] || \
cp -f /usr/share/libtool/ltmain.sh admin/ltmain.sh
! [ -f /usr/share/libtool/config/ltmain.sh ] || \
cp -f /usr/share/libtool/config/ltmain.sh admin/ltmain.sh
cp -f /usr/share/aclocal/libtool.m4 admin/libtool.m4.in
make -f admin/Makefile.common cvs
touch debian/stamp-bootstrap

@ -0,0 +1,6 @@
# the SUBDIRS is filled automatically by am_edit. If files are
# in this directory they are installed into the english dir
KDE_LANG = en
KDE_DOCS = autostart
SUBDIRS = $(AUTODIRS)

@ -0,0 +1,2 @@
KDE_DOCS = ldap
KDE_LANG = en

@ -0,0 +1,2 @@
POFILES = AUTO
# noinst_HEADERS = ldap.pot

@ -0,0 +1,11 @@
INCLUDES = $(all_includes)
METASOURCES = AUTO
# Create a shared library file
lib_LTLIBRARIES = libbbbgpmc.la
include_HEADERS = bbb-gpmc-init.h
libbbbgpmc_la_SOURCES = bbb-gpmc-init.cpp
libbbbgpmc_la_LIBADD =
libbbbgpmc_la_LDFLAGS = -version-info $(lt_current):$(lt_revision):$(lt_age) -no-undefined $(all_libraries)

@ -0,0 +1,232 @@
/*
* Remote Laboratory FPGA Server GPMC Interface (Beaglebone Black)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* (c) 2012-2014 Timothy Pearson
* Raptor Engineering
* http://www.raptorengineeringinc.com
*/
/** BEGIN: Low-Level I/O Implementation **/
// Beaglebone Black GPMC driver
#include <sys/time.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <fcntl.h>
#define MEMORY_SPACE_ADDRESS_BITS 16
#define GPMC_BASE 0x50000000
#define GPMC_REGLEN 0x10000000
#define GPMC_CHIPSELECTCONFIGDISPLACEMENT (0x30 / 4)
#define GPMC_CONFIG (0x50 / 4)
#define GPMC_CONFIG1 (0x60 / 4)
#define GPMC_CONFIG2 (0x64 / 4)
#define GPMC_CONFIG3 (0x68 / 4)
#define GPMC_CONFIG4 (0x6c / 4)
#define GPMC_CONFIG5 (0x70 / 4)
#define GPMC_CONFIG6 (0x74 / 4)
#define GPMC_CONFIG7 (0x78 / 4)
#define MEMORY_SIZE (1 << MEMORY_SPACE_ADDRESS_BITS)
int mem_fd = 0;
int gpmc_mem_fd = 0;
char *gpio_mem, *gpio_map, *gpmc_map;
// I/O access
volatile unsigned int *gpio = NULL;
volatile unsigned char *gpio_char = NULL;
volatile unsigned int *gpmc = NULL;
void gpmc_mapregisters() {
/* open /dev/mem */
if ((gpmc_mem_fd = open("/dev/mem", O_RDWR|O_SYNC) ) < 0) {
printf("[FATAL] can't open /dev/mem\n");
return;
}
/* mmap GPMC */
gpmc_map = (char *)mmap(
0,
GPMC_REGLEN,
PROT_READ|PROT_WRITE,
MAP_SHARED,
gpmc_mem_fd,
GPMC_BASE
);
if (gpmc_map == MAP_FAILED) {
printf("[FATAL] mmap error %p\n", gpmc_map);
return;
}
// Always use volatile pointer!
gpmc = (volatile unsigned *)gpmc_map;
}
void gpmc_unmapregisters() {
munmap((void*) gpmc, GPMC_REGLEN);
if (gpmc_mem_fd != -1) {
close(gpmc_mem_fd);
}
}
void gpmc_setup(void) {
gpmc_mapregisters();
if (gpmc != NULL) {
int chipselect = 0;
int displacement = GPMC_CHIPSELECTCONFIGDISPLACEMENT * chipselect;
// disable before playing with the registers
*(gpmc + displacement + GPMC_CONFIG7) = 0x00000000;
// *(gpmc + displacement + GPMC_CONFIG) = 0x00000000; // Unlimited address space
// *(gpmc + displacement + GPMC_CONFIG1) = 0x00000000; // No burst, async, 8-bit, non multiplexed
// *(gpmc + displacement + GPMC_CONFIG2) = 0x00001000; // Assert CS on fclk0, deassert CS on fclk16
// *(gpmc + displacement + GPMC_CONFIG3) = 0x00000400; // Assert ADV on fclk 0, deassert ADV on fclk 4
// *(gpmc + displacement + GPMC_CONFIG4) = 0x0c041004; // Assert WE on fclk4, deassert WE on fclk12, assert OE on fclk4, deassert OE on fclk16
// *(gpmc + displacement + GPMC_CONFIG5) = 0x000c1010; // Data valid on fclk 12, cycle time 16 fclks
// *(gpmc + displacement + GPMC_CONFIG6) = 0x00000000; // No back to back cycle restrictions
// *(gpmc + displacement + GPMC_CONFIG7) = 0x00000e50; // CS0: Set base address 0x10000000, 32MB region, and enable CS
// Use slower clocking to reduce errors in wire nest prototype
*(gpmc + displacement + GPMC_CONFIG) = 0x00000000; // Unlimited address space
*(gpmc + displacement + GPMC_CONFIG1) = 0x00000000; // No burst, async, 8-bit, non multiplexed
*(gpmc + displacement + GPMC_CONFIG2) = 0x00001f00; // Assert CS on fclk0, deassert CS on fclk31
*(gpmc + displacement + GPMC_CONFIG3) = 0x00000400; // Assert ADV on fclk 0, deassert ADV on fclk 4
*(gpmc + displacement + GPMC_CONFIG4) = 0x1f041f04; // Assert WE on fclk4, deassert WE on fclk31, assert OE on fclk4, deassert OE on fclk31
*(gpmc + displacement + GPMC_CONFIG5) = 0x00101f1f; // Data valid on fclk 16, cycle time 31 fclks
*(gpmc + displacement + GPMC_CONFIG6) = 0x00000000; // No back to back cycle restrictions
*(gpmc + displacement + GPMC_CONFIG7) = 0x00000e50; // CS0: Set base address 0x10000000, 32MB region, and enable CS
gpmc_unmapregisters();
}
}
int setup_gpmc_bbb(void) {
/* open /dev/mem */
if ((mem_fd = open("/dev/mem", O_RDWR|O_SYNC) ) < 0) {
printf("[FATAL] can't open /dev/mem\n");
return -1;
}
/* mmap GPIO */
gpio_map = (char *)mmap(
0,
MEMORY_SIZE,
PROT_READ|PROT_WRITE,
MAP_SHARED,
mem_fd,
0x10000000
);
if (gpio_map == MAP_FAILED) {
printf("[FATAL] mmap error %p\n", gpio_map);
return -1;
}
// Always use volatile pointers!
gpio = (volatile unsigned *)gpio_map;
gpio_char = (volatile unsigned char *)gpio_map;
return 0;
}
int shutdown_gpmc_bbb(void) {
return 0;
}
void write_gpmc(unsigned int register_offset, unsigned char data) {
*(gpio_char + register_offset) = data;
}
unsigned char read_gpmc(unsigned int register_offset) {
return *(gpio_char + register_offset);
}
void write_gpmc_uint16_t(unsigned int register_offset, uint16_t data) {
register_offset = register_offset * 2;
*(gpio_char + register_offset + 0) = ((data & 0xff00) >> 8);
*(gpio_char + register_offset + 1) = ((data & 0x00ff) >> 0);
}
uint16_t read_gpmc_uint16_t(unsigned int register_offset) {
uint16_t result = 0;
register_offset = register_offset * 2;
result = result | ((uint16_t)(*(gpio_char + register_offset + 0)) << 8);
result = result | ((uint16_t)(*(gpio_char + register_offset + 1)) << 0);
return result;
}
void write_gpmc_uint64_t(unsigned int register_offset, uint64_t data) {
register_offset = register_offset * 8;
*(gpio_char + register_offset + 0) = ((data & 0xff00000000000000) >> 56);
*(gpio_char + register_offset + 1) = ((data & 0x00ff000000000000) >> 48);
*(gpio_char + register_offset + 2) = ((data & 0x0000ff0000000000) >> 40);
*(gpio_char + register_offset + 3) = ((data & 0x000000ff00000000) >> 32);
*(gpio_char + register_offset + 4) = ((data & 0x00000000ff000000) >> 24);
*(gpio_char + register_offset + 5) = ((data & 0x0000000000ff0000) >> 16);
*(gpio_char + register_offset + 6) = ((data & 0x000000000000ff00) >> 8);
*(gpio_char + register_offset + 7) = ((data & 0x00000000000000ff) >> 0);
}
uint64_t read_gpmc_uint64_t(unsigned int register_offset) {
uint64_t result = 0;
register_offset = register_offset * 8;
result = result | ((uint64_t)(*(gpio_char + register_offset + 0)) << 56);
result = result | ((uint64_t)(*(gpio_char + register_offset + 1)) << 48);
result = result | ((uint64_t)(*(gpio_char + register_offset + 2)) << 40);
result = result | ((uint64_t)(*(gpio_char + register_offset + 3)) << 32);
result = result | ((uint64_t)(*(gpio_char + register_offset + 4)) << 24);
result = result | ((uint64_t)(*(gpio_char + register_offset + 5)) << 16);
result = result | ((uint64_t)(*(gpio_char + register_offset + 6)) << 8);
result = result | ((uint64_t)(*(gpio_char + register_offset + 7)) << 0);
return result;
}
void memcpy_from_gpmc(char* destination, unsigned int register_offset, unsigned int length) {
unsigned int i;
for (i=0; i<length; i++) {
*destination = *(gpio_char + register_offset);
destination++;
register_offset++;
}
}
void memcpy_to_gpmc(char* source, unsigned int register_offset, unsigned int length) {
unsigned int i;
for (i=0; i<length; i++) {
*(gpio_char + register_offset) = *source;
source++;
register_offset++;
}
}
/** END: Low-Level I/O Implementation **/

@ -0,0 +1,35 @@
/*
* Remote Laboratory FPGA Server GPMC Interface (Beaglebone Black)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* (c) 2012-2014 Timothy Pearson
* Raptor Engineering
* http://www.raptorengineeringinc.com
*/
int setup_gpmc_bbb();
void write_gpmc(unsigned int register_offset, unsigned char data);
unsigned char read_gpmc(unsigned int register_offset);
void write_gpmc_uint16_t(unsigned int register_offset, uint16_t data);
uint16_t read_gpmc_uint16_t(unsigned int register_offset);
void write_gpmc_uint64_t(unsigned int register_offset, uint64_t data);
uint64_t read_gpmc_uint64_t(unsigned int register_offset);
void memcpy_from_gpmc(char* destination, unsigned int register_offset, unsigned int length);
void memcpy_to_gpmc(char* source, unsigned int register_offset, unsigned int length);

@ -0,0 +1,3 @@
doc
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