ChibiOS/os/common/startup/e200/devices/SPC56ECxx/intc.h

/*
    ChibiOS - Copyright (C) 2006..2015 Giovanni Di Sirio.

    This file is part of ChibiOS.

    ChibiOS is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.

    ChibiOS is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

/**
 * @file    SPC56ECxx/intc.h
 * @brief   SPC56ECxx INTC module header.
 *
 * @addtogroup INTC
 * @{
 */

#ifndef _INTC_H_
#define _INTC_H_

/*===========================================================================*/
/* Module constants.                                                         */
/*===========================================================================*/

/**
 * @name    INTC addresses
 * @{
 */
#define INTC_BASE           0xFFF48000
#define INTC_IACKR_ADDR     (INTC_BASE + 0x10)
#define INTC_EOIR_ADDR      (INTC_BASE + 0x18)
/** @} */

/**
 * @brief   INTC priority levels.
 */
#define INTC_PRIORITY_LEVELS 16U

/*===========================================================================*/
/* Module pre-compile time settings.                                         */
/*===========================================================================*/

/*===========================================================================*/
/* Derived constants and error checks.                                       */
/*===========================================================================*/

/*===========================================================================*/
/* Module data structures and types.                                         */
/*===========================================================================*/

/*===========================================================================*/
/* Module macros.                                                            */
/*===========================================================================*/

/**
 * @name    INTC-related macros
 * @{
 */
#define INTC_BCR            (*((volatile uint32_t *)(INTC_BASE + 0)))
#define INTC_CPR(n)         (*((volatile uint32_t *)(INTC_BASE + 8 + ((n) * sizeof (uint32_t)))))
#define INTC_IACKR(n)       (*((volatile uint32_t *)(INTC_BASE + 0x10 + ((n) * sizeof (uint32_t)))))
#define INTC_EOIR(n)        (*((volatile uint32_t *)(INTC_BASE + 0x18 + ((n) * sizeof (uint32_t)))))
#define INTC_PSR(n)         (*((volatile uint8_t *)(INTC_BASE + 0x40 + ((n) * sizeof (uint8_t)))))
/** @} */

/**
 * @brief   Core selection macros for PSR register.
 */
#define INTC_PSR_CORE0      0x00
#define INTC_PSR_CORE1      0xC0
#define INTC_PSR_CORES01    0x40

/**
 * @brief   PSR register content helper
 */
#define INTC_PSR_ENABLE(cores, prio) ((uint32_t)(cores) | (uint32_t)(prio))

/*===========================================================================*/
/* External declarations.                                                    */
/*===========================================================================*/

/*===========================================================================*/
/* Module inline functions.                                                  */
/*===========================================================================*/

#endif /* _INTC_H_ */

/** @} */