diff options
Diffstat (limited to 'c/src/lib/libcpu/sh/sh7045/clock/ckinit.c')
| -rw-r--r-- | c/src/lib/libcpu/sh/sh7045/clock/ckinit.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/c/src/lib/libcpu/sh/sh7045/clock/ckinit.c b/c/src/lib/libcpu/sh/sh7045/clock/ckinit.c index c8fdb4b5a6..76c08a690e 100644 --- a/c/src/lib/libcpu/sh/sh7045/clock/ckinit.c +++ b/c/src/lib/libcpu/sh/sh7045/clock/ckinit.c @@ -9,7 +9,7 @@ * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - * + * * * COPYRIGHT (c) 1998. * On-Line Applications Research Corporation (OAR). @@ -91,7 +91,7 @@ static uint32_t Clock_isrs_const; /* only calculated once */ /* * These are set by clock driver during its init */ - + rtems_device_major_number rtems_clock_major = ~0; rtems_device_minor_number rtems_clock_minor; @@ -150,8 +150,8 @@ void Install_clock( { uint8_t temp8 = 0; uint32_t factor = 1000000; - - + + /* * Initialize the clock tick device driver variables */ @@ -159,7 +159,7 @@ void Install_clock( Clock_driver_ticks = 0; Clock_isrs_const = rtems_configuration_get_microseconds_per_tick() / 10000; Clock_isrs = Clock_isrs_const; - + factor /= rtems_configuration_get_microseconds_per_tick(); /* minimalization of integer division error */ Clock_MHZ = rtems_cpu_configuration_get_clicks_per_second() / factor ; @@ -168,7 +168,7 @@ void Install_clock( /* * Hardware specific initialize goes here */ - + /* stop Timer 0 */ temp8 = read8( MTU_TSTR) & MTU0_STARTMASK; write8( temp8, MTU_TSTR); @@ -188,8 +188,8 @@ void Install_clock( write8( MTU0_TCRMASK , MTU_TCR0); /* use GRA without I/O - pins */ - write8( MTU0_TIORVAL, MTU_TIORL0); - + write8( MTU0_TIORVAL, MTU_TIORL0); + /* reset flags of the status register */ temp8 = read8( MTU_TSR0) & MTU0_STAT_MASK; write8( temp8, MTU_TSR0); @@ -204,7 +204,7 @@ void Install_clock( /* set counter limits */ write16( _MTU_COUNTER0_MICROSECOND, MTU_GR0A); - + /* start counter */ temp8 = read8( MTU_TSTR) |~MTU0_STARTMASK; write8( temp8, MTU_TSTR); @@ -254,14 +254,14 @@ rtems_device_driver Clock_initialize( ) { Install_clock( Clock_isr ); - + /* * make major/minor avail to others such as shared memory driver */ - + rtems_clock_major = major; rtems_clock_minor = minor; - + return RTEMS_SUCCESSFUL; } @@ -273,14 +273,14 @@ rtems_device_driver Clock_control( { uint32_t isrlevel; rtems_libio_ioctl_args_t *args = pargp; - + if (args != 0) { /* * This is hokey, but until we get a defined interface * to do this, it will just be this simple... */ - + if (args->command == rtems_build_name('I', 'S', 'R', ' ')) { Clock_isr(CLOCK_VECTOR); @@ -290,7 +290,7 @@ rtems_device_driver Clock_control( rtems_isr_entry ignored ; rtems_interrupt_disable( isrlevel ); rtems_interrupt_catch( args->buffer, CLOCK_VECTOR, &ignored ); - + rtems_interrupt_enable( isrlevel ); } } |