diff options
author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2007-11-26 23:02:03 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2007-11-26 23:02:03 +0000 |
commit | 99f67930c27d2dcc757b90aa9f3c15639456dde2 (patch) | |
tree | 9ee200ba474c123fd54edc8d0b92e04f6bf59e84 /c/src/lib/libcpu/sh/sh7032/delay | |
parent | 2007-11-26 Joel Sherrill <joel.sherrill@oarcorp.com> (diff) | |
download | rtems-99f67930c27d2dcc757b90aa9f3c15639456dde2.tar.bz2 |
2007-11-26 Joel Sherrill <joel.sherrill@oarcorp.com>
* sh7032/clock/ckinit.c, sh7032/delay/delay.c, sh7032/timer/timer.c,
sh7045/clock/ckinit.c, sh7045/timer/timer.c, sh7750/clock/ckinit.c,
sh7750/timer/timer.c: Eliminate the clicks_per_microsecond field in
the SuperH CPU Table and define another mechanism for drivers to
obtain this information.
Diffstat (limited to 'c/src/lib/libcpu/sh/sh7032/delay')
-rw-r--r-- | c/src/lib/libcpu/sh/sh7032/delay/delay.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/c/src/lib/libcpu/sh/sh7032/delay/delay.c b/c/src/lib/libcpu/sh/sh7032/delay/delay.c index 41d4753908..16645ea200 100644 --- a/c/src/lib/libcpu/sh/sh7032/delay/delay.c +++ b/c/src/lib/libcpu/sh/sh7032/delay/delay.c @@ -23,6 +23,8 @@ #include <rtems.h> +extern uint32_t bsp_clicks_per_second; + /* * Simple spin delay in microsecond units for device drivers. * This is very dependent on the clock speed of the target. @@ -38,10 +40,9 @@ void CPU_delay( uint32_t microseconds ) { - register uint32_t clicks_per_usec = - rtems_cpu_configuration_get_clicks_per_second() / 1000000 ; - register uint32_t _delay = - (microseconds) * (clicks_per_usec); + register uint32_t clicks_per_usec = bsp_clicks_per_second / 1000000; + register uint32_t _delay = (microseconds) * (clicks_per_usec); + asm volatile ( "0: add #-4,%0\n\ nop\n\ |