diff options
Diffstat (limited to '')
| -rw-r--r-- | c/src/lib/libbsp/m68k/dmv152/clock/ckinit.c | 50 |
1 files changed, 22 insertions, 28 deletions
diff --git a/c/src/lib/libbsp/m68k/dmv152/clock/ckinit.c b/c/src/lib/libbsp/m68k/dmv152/clock/ckinit.c index 0fdd8c5352..3d83c739f5 100644 --- a/c/src/lib/libbsp/m68k/dmv152/clock/ckinit.c +++ b/c/src/lib/libbsp/m68k/dmv152/clock/ckinit.c @@ -69,44 +69,38 @@ void Install_clock( Clock_driver_ticks = 0; Clock_isrs = BSP_Configuration.microseconds_per_tick / 1000; - if ( BSP_Configuration.ticks_per_timeslice ) { - Old_ticker = (rtems_isr_entry) set_vector( clock_isr, CLOCK_VECTOR, 1 ); - - Z8x36_WRITE( TIMER, MASTER_CFG, 0xd4 ); - Z8x36_READ ( TIMER, MASTER_INTR, data ); - Z8x36_WRITE( TIMER, MASTER_INTR, (data & 0x7E) ); - Z8x36_WRITE( TIMER, CT1_TIME_CONST_MSB, 0x04 ); - Z8x36_WRITE( TIMER, CT1_TIME_CONST_LSB, 0xCE ); - Z8x36_WRITE( TIMER, CT1_MODE_SPEC, 0x83 ); - Z8x36_WRITE( TIMER, CNT_TMR_VECTOR, CLOCK_VECTOR ); - Z8x36_WRITE( TIMER, CT1_CMD_STATUS, 0x20 ); - Z8x36_READ ( TIMER, MASTER_INTR, data ); - Z8x36_WRITE( TIMER, MASTER_INTR, (data & 0xDA) | 0x80 ); + Old_ticker = (rtems_isr_entry) set_vector( clock_isr, CLOCK_VECTOR, 1 ); + + Z8x36_WRITE( TIMER, MASTER_CFG, 0xd4 ); + Z8x36_READ ( TIMER, MASTER_INTR, data ); + Z8x36_WRITE( TIMER, MASTER_INTR, (data & 0x7E) ); + Z8x36_WRITE( TIMER, CT1_TIME_CONST_MSB, 0x04 ); + Z8x36_WRITE( TIMER, CT1_TIME_CONST_LSB, 0xCE ); + Z8x36_WRITE( TIMER, CT1_MODE_SPEC, 0x83 ); + Z8x36_WRITE( TIMER, CNT_TMR_VECTOR, CLOCK_VECTOR ); + Z8x36_WRITE( TIMER, CT1_CMD_STATUS, 0x20 ); + Z8x36_READ ( TIMER, MASTER_INTR, data ); + Z8x36_WRITE( TIMER, MASTER_INTR, (data & 0xDA) | 0x80 ); - /* - * ACC_IC54 - interrupt 5 will be vectored and mapped to level 6 - */ + /* + * ACC_IC54 - interrupt 5 will be vectored and mapped to level 6 + */ - data = (*(rtems_unsigned8 *)0x0D00000B); - (*(rtems_unsigned8 *)0x0D00000B) = (data & 0x7F) | 0x60; + data = (*(rtems_unsigned8 *)0x0D00000B); + (*(rtems_unsigned8 *)0x0D00000B) = (data & 0x7F) | 0x60; - Z8x36_WRITE( TIMER, CT1_CMD_STATUS, 0xC6 ); + Z8x36_WRITE( TIMER, CT1_CMD_STATUS, 0xC6 ); - atexit( Clock_exit ); - } + atexit( Clock_exit ); } void Clock_exit( void ) { rtems_unsigned8 data; - if ( BSP_Configuration.ticks_per_timeslice ) { - - Z8x36_READ ( TIMER, MASTER_INTR, data ); - Z8x36_WRITE( TIMER, MASTER_INTR, (data & 0x01) ); - /* do not restore old vector */ - - } + Z8x36_READ ( TIMER, MASTER_INTR, data ); + Z8x36_WRITE( TIMER, MASTER_INTR, (data & 0x01) ); + /* do not restore old vector */ } rtems_device_driver Clock_initialize( |