diff options
author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-05-23 14:17:25 +0200 |
---|---|---|
committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-06-15 13:02:44 +0200 |
commit | 65f868cac6f7fd5c3ad02046574c19f8f4673255 (patch) | |
tree | 15103fb87ed2e7161c17006e2c077f35e3506a95 /bsps/powerpc/ss555 | |
parent | Add RTEMS_SYSINIT_CPU_COUNTER (diff) | |
download | rtems-65f868cac6f7fd5c3ad02046574c19f8f4673255.tar.bz2 |
Add _CPU_Counter_frequency()
Add rtems_counter_frequency() API function. Use it to initialize the
counter value converter via the new system initialization step
(RTEMS_SYSINIT_CPU_COUNTER). This decouples the counter implementation
and the counter converter. It avoids an unnecessary pull in of the
64-bit integer division from libgcc.
Update #3456.
Diffstat (limited to 'bsps/powerpc/ss555')
-rw-r--r-- | bsps/powerpc/ss555/start/bspstart.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/bsps/powerpc/ss555/start/bspstart.c b/bsps/powerpc/ss555/start/bspstart.c index f47ca7d5be..cf54d61d9e 100644 --- a/bsps/powerpc/ss555/start/bspstart.c +++ b/bsps/powerpc/ss555/start/bspstart.c @@ -40,6 +40,11 @@ extern unsigned long intrStackPtr; uint32_t bsp_clicks_per_usec; uint32_t bsp_clock_speed; /* Serial clocks per second */ +uint32_t _CPU_Counter_frequency(void) +{ + return BSP_CRYSTAL_HZ / 4; +} + /* * bsp_start() * @@ -88,7 +93,6 @@ void bsp_start(void) */ bsp_clicks_per_usec = BSP_CRYSTAL_HZ / 4 / 1000000; bsp_clock_speed = BSP_CLOCK_HZ; /* for SCI baud rate generator */ - rtems_counter_initialize_converter(BSP_CRYSTAL_HZ / 4); /* * Initalize RTEMS IRQ system |