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virtex5/.../bsp.h: Add BSP_Convert_decrementer() macro required by MPC6xx timer driver

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This commit is contained in:
Joel Sherrill
2014-08-27 12:50:36 -05:00
parent 6e60140daf
commit bfa2b8c39e
1 changed files with 24 additions and 3 deletions
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27
c/src/lib/libbsp/powerpc/virtex5/include/bsp.h
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@@ -1,7 +1,9 @@
/* bsp.h /* @file
* *
* This include file contains all GEN405 board IO definitions. * This include file contains all GEN405 board IO definitions.
* */
/*
* derived from helas403/include/bsp.h: * derived from helas403/include/bsp.h:
* Id: bsp.h,v 1.4 2001/06/18 17:01:48 joel Exp * Id: bsp.h,v 1.4 2001/06/18 17:01:48 joel Exp
* Author: Thomas Doerfler <td@imd.m.isar.de> * Author: Thomas Doerfler <td@imd.m.isar.de>
@@ -67,7 +69,26 @@ extern "C" {
/* miscellaneous stuff assumed to exist */ /* miscellaneous stuff assumed to exist */
extern bool bsp_timer_internal_clock; /* TRUE, when timer runs with CPU clk */ extern bool bsp_timer_internal_clock; /* TRUE, when timer runs with CPU clk */
extern rtems_configuration_table BSP_Configuration; /* owned by BSP */ /*
* Bus Frequency
*/
extern unsigned int BSP_bus_frequency;
/*
* Processor Clock Frequency
*/
extern unsigned int BSP_processor_frequency;
/*
* Time base divisior (how many tick for 1 second).
*/
extern unsigned int BSP_time_base_divisor;
/*
* Macro used by shared MPC6xx timer driver
*/
#define BSP_Convert_decrementer( _value ) \
((unsigned long long) ((((unsigned long long)BSP_time_base_divisor) * 1000000ULL) /((unsigned long long) BSP_bus_frequency)) * ((unsigned long long) (_value)))
#endif /* ASM */ #endif /* ASM */
void BSP_ask_for_reset(void); void BSP_ask_for_reset(void);