1/* 2 * Copyright (C) 2010 Freescale Semiconductor, Inc. All Rights Reserved. 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License 6 * as published by the Free Software Foundation; either version 2 7 * of the License, or (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 17 * MA 02110-1301, USA. 18 */ 19#include <linux/errno.h> 20 21#ifdef CONFIG_IRAM_ALLOC 22 23int __init iram_init(unsigned long base, unsigned long size); 24void __iomem *iram_alloc(unsigned int size, unsigned long *dma_addr); 25void iram_free(unsigned long dma_addr, unsigned int size); 26 27#else 28 29static inline int __init iram_init(unsigned long base, unsigned long size) 30{ 31 return -ENOMEM; 32} 33 34static inline void __iomem *iram_alloc(unsigned int size, unsigned long *dma_addr) 35{ 36 return NULL; 37} 38 39static inline void iram_free(unsigned long base, unsigned long size) {} 40 41#endif 42