diff options
Diffstat (limited to 'libgloss/visium/serial-inbyte.c')
-rw-r--r-- | libgloss/visium/serial-inbyte.c | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/libgloss/visium/serial-inbyte.c b/libgloss/visium/serial-inbyte.c deleted file mode 100644 index 579c9699b..000000000 --- a/libgloss/visium/serial-inbyte.c +++ /dev/null @@ -1,47 +0,0 @@ -/* Serial Input for the Visium processor. - - Copyright (c) 2015 Rolls-Royce Controls and Data Services Limited. - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of Rolls-Royce Controls and Data Services Limited nor - the names of its contributors may be used to endorse or promote products - derived from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF - THE POSSIBILITY OF SUCH DAMAGE. */ - -char -inbyte (void) -{ -#ifdef __VISIUM_ARCH_MCM__ - volatile int *const rxdata = (int *) 0x20003920; - volatile int *const rxqs = (int *) 0x20003930; -#else - volatile int *const rxdata = (int *) 0x20001a20; - volatile int *const rxqs = (int *) 0x20001a30; -#endif - int bytes_in_fifo = 0; - - while (!bytes_in_fifo) - bytes_in_fifo = *rxqs; - - /* Read one character. */ - return (*rxdata) & 0xff; -} |