diff options
Diffstat (limited to 'bsps/powerpc/virtex/include/bsp/irq.h')
| -rw-r--r-- | bsps/powerpc/virtex/include/bsp/irq.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/bsps/powerpc/virtex/include/bsp/irq.h b/bsps/powerpc/virtex/include/bsp/irq.h new file mode 100644 index 0000000000..1ce5b68b98 --- /dev/null +++ b/bsps/powerpc/virtex/include/bsp/irq.h @@ -0,0 +1,94 @@ +/*===============================================================*\ +| Project: RTEMS virtex BSP | ++-----------------------------------------------------------------+ +| Copyright (c) 2007 | +| Embedded Brains GmbH | +| Obere Lagerstr. 30 | +| D-82178 Puchheim | +| Germany | +| rtems@embedded-brains.de | ++-----------------------------------------------------------------+ +| The license and distribution terms for this file may be | +| found in the file LICENSE in this distribution or at | +| | +| http://www.rtems.org/license/LICENSE. | +| | ++-----------------------------------------------------------------+ +| this file declares constants of the interrupt controller | +\*===============================================================*/ +#ifndef VIRTEX_IRQ_IRQ_H +#define VIRTEX_IRQ_IRQ_H + +#include <rtems/irq.h> +#include <rtems/irq-extension.h> +#include <bsp/opbintctrl.h> + +/* + * the following definitions specify the indices used + * to interface the interrupt handler API + */ + +/* + * Peripheral IRQ handlers related definitions + */ +#define BSP_OPBINTC_PER_IRQ_NUMBER XPAR_INTC_MAX_NUM_INTR_INPUTS +#define BSP_OPBINTC_IRQ_LOWEST_OFFSET 0 +#define BSP_OPBINTC_IRQ_MAX_OFFSET (BSP_OPBINTC_IRQ_LOWEST_OFFSET\ + +BSP_OPBINTC_PER_IRQ_NUMBER-1) + +#define BSP_IS_OPBINTC_IRQ(irqnum) \ + (((irqnum) >= BSP_OPBINTC_IRQ_LOWEST_OFFSET) && \ + ((irqnum) <= BSP_OPBINTC_IRQ_MAX_OFFSET)) +/* + * Processor IRQ handlers related definitions + */ +#define BSP_PROCESSOR_IRQ_NUMBER 3 +#define BSP_PROCESSOR_IRQ_LOWEST_OFFSET (BSP_OPBINTC_IRQ_MAX_OFFSET+1) +#define BSP_PROCESSOR_IRQ_MAX_OFFSET (BSP_PROCESSOR_IRQ_LOWEST_OFFSET\ + +BSP_PROCESSOR_IRQ_NUMBER-1) + +#define BSP_IS_PROCESSOR_IRQ(irqnum) \ + (((irqnum) >= BSP_PROCESSOR_IRQ_LOWEST_OFFSET) && \ + ((irqnum) <= BSP_PROCESSOR_IRQ_MAX_OFFSET)) +/* + * Summary + */ +#define BSP_IRQ_NUMBER (BSP_PROCESSOR_IRQ_MAX_OFFSET+1) +#define BSP_LOWEST_OFFSET BSP_OPBINTC_IRQ_LOWEST_OFFSET +#define BSP_MAX_OFFSET BSP_PROCESSOR_IRQ_MAX_OFFSET + +#define BSP_IS_VALID_IRQ(irqnum) \ + (BSP_IS_PROCESSOR_IRQ(irqnum) \ + || BSP_IS_OPBINTC_IRQ(irqnum)) + +#define BSP_INTERRUPT_VECTOR_MIN 0 +#define BSP_INTERRUPT_VECTOR_MAX BSP_PROCESSOR_IRQ_MAX_OFFSET + +#ifndef ASM +#ifdef __cplusplus +extern "C" { +#endif + +/* + * index table for the module specific handlers, a few entries are only placeholders + */ + typedef enum { + BSP_OPBINTC_IRQ_FIRST = BSP_OPBINTC_IRQ_LOWEST_OFFSET, + /* + * Note: for this BSP, the peripheral names are derived + * from the Xilinx parameter file + */ + BSP_OPBINTC_IRQ_LAST = BSP_OPBINTC_IRQ_MAX_OFFSET, + BSP_EXT = BSP_PROCESSOR_IRQ_LOWEST_OFFSET + 0, + BSP_PIT = BSP_PROCESSOR_IRQ_LOWEST_OFFSET + 1, + BSP_CRIT = BSP_PROCESSOR_IRQ_LOWEST_OFFSET + 2 + } rtems_irq_symbolic_name; + +#define BSP_OPBINTC_XPAR(xname) (BSP_OPBINTC_IRQ_LOWEST_OFFSET+xname) + +#ifdef __cplusplus +} +#endif +#endif /* ASM */ + +#endif /* VIRTEX_IRQ_IRQ_H */ |