1 files changed, 92 insertions, 0 deletions
diff --git a/c/src/lib/libcpu/powerpc/mpc55xx/include/irq.h b/c/src/lib/libcpu/powerpc/mpc55xx/include/irq.h
new file mode 100644
index 0000000000..90a129c234
--- /dev/null
+++ b/c/src/lib/libcpu/powerpc/mpc55xx/include/irq.h
@@ -0,0 +1,92 @@
+/**
+ * @file
+ *
+ * @ingroup mpc55xx
+ *
+ * @brief IRQ
+ */
+
+/*
+ * Copyright (c) 2008
+ * 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.com/license/LICENSE.
+ */
+
+#ifndef LIBBSP_POWERPC_IRQ_H
+#define LIBBSP_POWERPC_IRQ_H
+
+#include <rtems/irq-extension.h>
+#include <rtems/irq.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/*
+ * Interrupt numbers
+ */
+
+/* Basics */
+#define MPC55XX_IRQ_MIN 0
+#define MPC55XX_IRQ_MAX 328
+#define MPC55XX_IRQ_BASE MPC55XX_IRQ_MIN
+#define MPC55XX_IRQ_NUMBER (MPC55XX_IRQ_MAX + 1)
+
+/* Software interrupts */
+#define MPC55XX_IRQ_SOFTWARE_MIN 0
+#define MPC55XX_IRQ_SOFTWARE_MAX 7
+#define MPC55XX_IRQ_SOFTWARE_NUMBER (MPC55XX_IRQ_SOFTWARE_MAX + 1)
+
+/* eDMA interrupts */
+#define MPC55XX_IRQ_EDMA_ERROR_LOW 10
+#define MPC55XX_IRQ_EDMA_ERROR_HIGH 210
+#define MPC55XX_IRQ_EDMA_REQUEST_LOW_MIN 11
+#define MPC55XX_IRQ_EDMA_REQUEST_LOW_MAX 42
+#define MPC55XX_IRQ_EDMA_REQUEST_HIGH_MIN 211
+#define MPC55XX_IRQ_EDMA_REQUEST_HIGH_MAX 242
+#define MPC55XX_IRQ_EDMA_GET_CHANNEL( i) (((i) > MPC55XX_IRQ_EDMA_REQUEST_LOW_MAX) ? ((i) - MPC55XX_IRQ_EDMA_REQUEST_HIGH_MIN + 32) : ((i) - MPC55XX_IRQ_EDMA_REQUEST_LOW_MIN))
+#define MPC55XX_IRQ_EDMA_GET_REQUEST( c) (((c) > 31) ? ((c) + MPC55XX_IRQ_EDMA_REQUEST_HIGH_MIN - 32) : ((c) + MPC55XX_IRQ_EDMA_REQUEST_LOW_MIN))
+
+/* Checks */
+#define MPC55XX_IRQ_IS_VALID(i) ((i) >= MPC55XX_IRQ_MIN && (i) <= MPC55XX_IRQ_MAX)
+#define MPC55XX_IRQ_IS_SOFTWARE(i) ((i) >= MPC55XX_IRQ_SOFTWARE_MIN && (i) <= MPC55XX_IRQ_SOFTWARE_MAX)
+
+/*
+ * Interrupt controller
+ */
+
+#define MPC55XX_INTC_INVALID_PRIORITY -1
+#define MPC55XX_INTC_DISABLED_PRIORITY 0
+#define MPC55XX_INTC_MIN_PRIORITY 1
+#define MPC55XX_INTC_MAX_PRIORITY 15
+#define MPC55XX_INTC_DEFAULT_PRIORITY MPC55XX_INTC_MIN_PRIORITY
+#define MPC55XX_INTC_IS_VALID_PRIORITY(p) ((p) >= MPC55XX_INTC_DISABLED_PRIORITY && (p) <= MPC55XX_INTC_MAX_PRIORITY)
+
+rtems_status_code mpc55xx_interrupt_handler_install(
+	rtems_vector_number vector,
+	int priority,
+	const char *info,
+	rtems_option options,
+	rtems_interrupt_handler handler,
+	void *arg
+);
+
+rtems_status_code mpc55xx_intc_get_priority( int i, int *p);
+
+rtems_status_code mpc55xx_intc_set_priority( int i, int p);
+
+rtems_status_code mpc55xx_intc_raise_software_irq( int i);
+
+rtems_status_code mpc55xx_intc_clear_software_irq( int i);
+
+#ifdef __cplusplus
+};
+#endif /* __cplusplus */
+
+#endif /* LIBBSP_POWERPC_IRQ_H */