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/**
* @file
*
* @ingroup mpc55xx
*
* @brief IRQ
*/
/*
* Copyright (c) 2008, 2010
* 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>
#include <bspopts.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/*
* Interrupt numbers
*/
/* Basics */
#define MPC55XX_IRQ_MIN 0U
#define MPC55XX_IRQ_MAX 328U
#define MPC55XX_IRQ_MIN 0U
#define MPC55XX_IRQ_MAX 328U
#define MPC55XX_IRQ_BASE MPC55XX_IRQ_MIN
#define MPC55XX_IRQ_NUMBER (MPC55XX_IRQ_MAX + 1U)
/* Software interrupts */
#define MPC55XX_IRQ_SOFTWARE_MIN 0U
#define MPC55XX_IRQ_SOFTWARE_MAX 7U
#define MPC55XX_IRQ_SOFTWARE_GET_INDEX(v) (v)
#define MPC55XX_IRQ_SOFTWARE_GET_REQUEST(i) (i)
#define MPC55XX_IRQ_SOFTWARE_NUMBER (MPC55XX_IRQ_SOFTWARE_MAX + 1U)
#if MPC55XX_CHIP_TYPE >= 5510 && MPC55XX_CHIP_TYPE <= 5517
/* eDMA interrupts */
#define MPC55XX_IRQ_EDMA_ERROR_LOW 10U
#define MPC55XX_IRQ_EDMA_REQUEST_LOW_MIN 11U
#define MPC55XX_IRQ_EDMA_REQUEST_LOW_MAX 26U
#define MPC55XX_IRQ_EDMA_GET_CHANNEL(v) \
((v) - MPC55XX_IRQ_EDMA_REQUEST_LOW_MIN)
#define MPC55XX_IRQ_EDMA_GET_REQUEST(c) \
((c) + MPC55XX_IRQ_EDMA_REQUEST_LOW_MIN)
/* I2C interrupt */
#define MPC55XX_IRQ_I2C 48U
/* SIU external interrupts */
#define MPC55XX_IRQ_SIU_EXTERNAL_0 53U
#define MPC55XX_IRQ_SIU_EXTERNAL_1 54U
#define MPC55XX_IRQ_SIU_EXTERNAL_2 55U
#define MPC55XX_IRQ_SIU_EXTERNAL_3 56U
#define MPC55XX_IRQ_SIU_EXTERNAL_4_15 57U
/* eMIOS interrupts */
#define MPC55XX_IRQ_EMIOS_REQUEST_LOW_MIN 58U
#define MPC55XX_IRQ_EMIOS_REQUEST_LOW_MAX 81U
#define MPC55XX_IRQ_EMIOS_GET_CHANNEL(v) \
((v) - MPC55XX_IRQ_EMIOS_REQUEST_LOW_MIN)
#define MPC55XX_IRQ_EMIOS_GET_REQUEST(c) \
((c) + MPC55XX_IRQ_EMIOS_REQUEST_LOW_MIN)
#elif MPC55XX_CHIP_TYPE >= 5554 && MPC55XX_CHIP_TYPE <= 5567
/* eDMA interrupts */
#define MPC55XX_IRQ_EDMA_ERROR_LOW 10U
#define MPC55XX_IRQ_EDMA_REQUEST_LOW_MIN 11U
#define MPC55XX_IRQ_EDMA_REQUEST_LOW_MAX 42U
#define MPC55XX_IRQ_EDMA_ERROR_HIGH 210U
#define MPC55XX_IRQ_EDMA_REQUEST_HIGH_MIN 211U
#define MPC55XX_IRQ_EDMA_REQUEST_HIGH_MAX 242U
#define MPC55XX_IRQ_EDMA_GET_CHANNEL(v) \
(((v) > MPC55XX_IRQ_EDMA_REQUEST_LOW_MAX) \
? ((v) + 32U - MPC55XX_IRQ_EDMA_REQUEST_HIGH_MIN) \
: ((v) - MPC55XX_IRQ_EDMA_REQUEST_LOW_MIN))
#define MPC55XX_IRQ_EDMA_GET_REQUEST(c) \
(((c) >= 32U) \
? ((c) - 32U + MPC55XX_IRQ_EDMA_REQUEST_HIGH_MIN) \
: ((c) + MPC55XX_IRQ_EDMA_REQUEST_LOW_MIN))
/* SIU external interrupts */
#define MPC55XX_IRQ_SIU_EXTERNAL_0 46U
#define MPC55XX_IRQ_SIU_EXTERNAL_1 47U
#define MPC55XX_IRQ_SIU_EXTERNAL_2 48U
#define MPC55XX_IRQ_SIU_EXTERNAL_3 49U
#define MPC55XX_IRQ_SIU_EXTERNAL_4_15 50U
/* eMIOS interrupts */
#define MPC55XX_IRQ_EMIOS_REQUEST_LOW_MIN 51U
#define MPC55XX_IRQ_EMIOS_REQUEST_LOW_MAX 66U
#define MPC55XX_IRQ_EMIOS_REQUEST_HIGH_MIN 202U
#define MPC55XX_IRQ_EMIOS_REQUEST_HIGH_MAX 209U
#define MPC55XX_IRQ_EMIOS_GET_CHANNEL(v) \
(((v) > MPC55XX_IRQ_EMIOS_REQUEST_LOW_MAX) \
? ((v) + 16U - MPC55XX_IRQ_EMIOS_REQUEST_HIGH_MIN) \
: ((v) - MPC55XX_IRQ_EMIOS_REQUEST_LOW_MIN))
#define MPC55XX_IRQ_EMIOS_GET_REQUEST(c) \
(((c) >= 16U) \
? ((c) - 16U + MPC55XX_IRQ_EMIOS_REQUEST_HIGH_MIN) \
: ((c) + MPC55XX_IRQ_EMIOS_REQUEST_LOW_MIN))
#else
#error "unexpected chip type"
#endif
/* Checks */
#define MPC55XX_IRQ_IS_VALID(v) \
((v) >= MPC55XX_IRQ_MIN && \
(v) <= MPC55XX_IRQ_MAX)
#define MPC55XX_IRQ_IS_SOFTWARE(v) \
((v) >= MPC55XX_IRQ_SOFTWARE_MIN && \
(v) <= MPC55XX_IRQ_SOFTWARE_MAX)
/*
* Interrupt controller
*/
#define MPC55XX_INTC_MIN_PRIORITY 1U
#define MPC55XX_INTC_MAX_PRIORITY 15U
#define MPC55XX_INTC_DISABLED_PRIORITY 0U
#define MPC55XX_INTC_INVALID_PRIORITY (MPC55XX_INTC_MAX_PRIORITY + 1)
#define MPC55XX_INTC_DEFAULT_PRIORITY (MPC55XX_INTC_MIN_PRIORITY + 1)
#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,
const char *info,
rtems_option options,
unsigned priority,
rtems_interrupt_handler handler,
void *arg
);
rtems_status_code mpc55xx_intc_get_priority(
rtems_vector_number vector,
unsigned *priority
);
rtems_status_code mpc55xx_intc_set_priority(
rtems_vector_number vector,
unsigned priority
);
rtems_status_code mpc55xx_intc_raise_software_irq(rtems_vector_number vector);
rtems_status_code mpc55xx_intc_clear_software_irq(rtems_vector_number vector);
/**
* @addtogroup bsp_interrupt
*
* @{
*/
#define BSP_INTERRUPT_VECTOR_MIN 0
#define BSP_INTERRUPT_VECTOR_MAX 328
#define BSP_INTERRUPT_USE_INDEX_TABLE
#define BSP_INTERRUPT_NO_HEAP_USAGE
#ifdef BSP_INTERRUPT_USE_INDEX_TABLE
#define BSP_INTERRUPT_HANDLER_TABLE_SIZE 63
typedef uint8_t bsp_interrupt_handler_index_type;
#endif
/** @} */
#ifdef __cplusplus
};
#endif /* __cplusplus */
#endif /* LIBBSP_POWERPC_IRQ_H */
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