diff options
Diffstat (limited to 'bsps/powerpc/shared/clock/p_clock.c')
-rw-r--r-- | bsps/powerpc/shared/clock/p_clock.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/bsps/powerpc/shared/clock/p_clock.c b/bsps/powerpc/shared/clock/p_clock.c new file mode 100644 index 0000000000..1ff7ca06a6 --- /dev/null +++ b/bsps/powerpc/shared/clock/p_clock.c @@ -0,0 +1,43 @@ +/* + * Clock Tick interrupt conexion code. + */ + +/* + * COPYRIGHT (c) 1989-1997. + * On-Line Applications Research Corporation (OAR). + * + * The license and distribution terms for this file may in + * the file LICENSE in this distribution or at + * http://www.rtems.org/license/LICENSE. + * + * Modified to support the MPC750. + * Modifications Copyright (c) 1999 Eric Valette valette@crf.canon.fr + */ + +#include <bsp.h> +#include <bsp/irq.h> +#include <libcpu/c_clock.h> +#include <libcpu/cpuIdent.h> + +static rtems_irq_connect_data clockIrqData; +static rtems_irq_connect_data clockIrqData = { + BSP_DECREMENTER, + clockIsr, + NULL, + (rtems_irq_enable)clockOn, + (rtems_irq_disable)clockOff, + (rtems_irq_is_enabled) clockIsOn +}; + +int BSP_disconnect_clock_handler(void) +{ + return BSP_remove_rtems_irq_handler(&clockIrqData); +} + +int BSP_connect_clock_handler(void) +{ + if ( ppc_cpu_is_bookE() ) + clockIrqData.hdl = clockIsrBookE; + + return BSP_install_rtems_irq_handler(&clockIrqData); +} |