diff options
| author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2001-03-14 00:49:17 +0000 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2001-03-14 00:49:17 +0000 |
| commit | acdb655855867d91f5f94babd9d64da2748f77f9 (patch) | |
| tree | ac2ab1e5c958bda98f29265a34f194b50d8e8ab4 /c/src/lib/libcpu/mips/mongoosev/duart/mg5uart_reg.c | |
| parent | 2001-03-08 Ralf Corsepiu <corsepius@faw.uni-ulm.de> (diff) | |
| download | rtems-acdb655855867d91f5f94babd9d64da2748f77f9.tar.bz2 | |
2001-03-13 Joel Sherrill <joel@OARcorp.com>
* Added mongoose-v, mongoose-v/include, and mongoose-v/vectorisrs
directories.
* mongoosev/.cvsignore, mongoosev/Makefile.am, mongoosev/README,
mongoosev/duart/.cvsignore, mongoosev/duart/Makefile.am,
mongoosev/duart/README.mguart, mongoosev/duart/mg5uart.c,
mongoosev/duart/mg5uart.h, mongoosev/duart/mg5uart_reg.c,
mongoosev/include/.cvsignore, mongoosev/include/Makefile.am,
mongoosev/include/mongoose-v.h, mongoosev/vectorisrs/.cvsignore,
mongoosev/vectorisrs/Makefile.am, mongoosev/vectorisrs/vectorisrs.c:
New files.
* Makefile.am, configure.in, shared/interrupts/Makefile.am,
shared/interrupts/maxvectors.c: Added support for mongoosev.
* tx39/vectorisrs/vectorisrs.c: Corrected warning.
Diffstat (limited to 'c/src/lib/libcpu/mips/mongoosev/duart/mg5uart_reg.c')
| -rw-r--r-- | c/src/lib/libcpu/mips/mongoosev/duart/mg5uart_reg.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/c/src/lib/libcpu/mips/mongoosev/duart/mg5uart_reg.c b/c/src/lib/libcpu/mips/mongoosev/duart/mg5uart_reg.c new file mode 100644 index 0000000000..58bdd52cc9 --- /dev/null +++ b/c/src/lib/libcpu/mips/mongoosev/duart/mg5uart_reg.c @@ -0,0 +1,60 @@ +/* + * This file contains a typical set of register access routines which may be + * used with the mg5uart chip if accesses to the chip are as follows: + * + * + registers are accessed as unsigned32's + * + registers are only u32-aligned (no address gaps) + * + * COPYRIGHT (c) 1989-2001. + * On-Line Applications Research Corporation (OAR). + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.OARcorp.com/rtems/license.html. + * + * $Id$ + */ + +#include <rtems.h> + +#ifndef _MG5UART_MULTIPLIER +#define _MG5UART_MULTIPLIER 1 +#define _MG5UART_NAME(_X) _X +#define _MG5UART_TYPE unsigned32 +#endif + +#define CALCULATE_REGISTER_ADDRESS( _base, _reg ) \ + (_MG5UART_TYPE *)((_base) + ((_reg) * _MG5UART_MULTIPLIER )) + +/* + * MG5UART Get Register Routine + */ + +unsigned8 _MG5UART_NAME(mg5uart_get_register)( + unsigned32 ulCtrlPort, + unsigned8 ucRegNum +) +{ + _MG5UART_TYPE *port; + + port = CALCULATE_REGISTER_ADDRESS( ulCtrlPort, ucRegNum ); + + return *port; +} + +/* + * MG5UART Set Register Routine + */ + +void _MG5UART_NAME(mg5uart_set_register)( + unsigned32 ulCtrlPort, + unsigned8 ucRegNum, + unsigned8 ucData +) +{ + _MG5UART_TYPE *port; + + port = CALCULATE_REGISTER_ADDRESS( ulCtrlPort, ucRegNum ); + + *port = ucData; +} |