arch/arm/src/mps/mps_allocateheap.c

/****************************************************************************
 * arch/arm/src/mps/mps_allocateheap.c
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.  The
 * ASF licenses this file to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the
 * License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations
 * under the License.
 *
 ****************************************************************************/

/****************************************************************************
 * Included Files
 ****************************************************************************/

#include <nuttx/config.h>
#include <sys/types.h>
#include <debug.h>

#include <nuttx/arch.h>
#include <nuttx/board.h>
#include <nuttx/kmalloc.h>
#include <arch/board/board.h>

#include "chip.h"
#include "arm_internal.h"

/****************************************************************************
 * Pre-processor Definitions
 ****************************************************************************/

#if defined(CONFIG_BUILD_KERNEL)
#  define MM_ADDREGION kmm_addregion
#else
#  define MM_ADDREGION umm_addregion
#endif

#define MPS3_DDR_BASE (void *)0x60000000
#define MPS3_DDR_SIZE (2 * 1024 * 1024 * 1024UL)

/****************************************************************************
 * Private Data
 ****************************************************************************/

/****************************************************************************
 * Private Functions
 ****************************************************************************/

/****************************************************************************
 * Public Functions
 ****************************************************************************/

/****************************************************************************
 * Name: arm_addregion
 ****************************************************************************/

#if CONFIG_MM_REGIONS > 1
void arm_addregion(void)
{
  MM_ADDREGION(MPS3_DDR_BASE, MPS3_DDR_SIZE);
}
#endif