|  | /* | 
|  | * Copyright (C) 2010 Freescale Semiconductor, Inc. All Rights Reserved. | 
|  | * | 
|  | * This program 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 2 | 
|  | * of the License, or (at your option) any later version. | 
|  | * | 
|  | * This program 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, write to the Free Software | 
|  | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | 
|  | * MA 02110-1301, USA. | 
|  | */ | 
|  | #include <linux/errno.h> | 
|  |  | 
|  | #ifdef CONFIG_IRAM_ALLOC | 
|  |  | 
|  | int __init iram_init(unsigned long base, unsigned long size); | 
|  | void __iomem *iram_alloc(unsigned int size, unsigned long *dma_addr); | 
|  | void iram_free(unsigned long dma_addr, unsigned int size); | 
|  |  | 
|  | #else | 
|  |  | 
|  | static inline int __init iram_init(unsigned long base, unsigned long size) | 
|  | { | 
|  | return -ENOMEM; | 
|  | } | 
|  |  | 
|  | static inline void __iomem *iram_alloc(unsigned int size, unsigned long *dma_addr) | 
|  | { | 
|  | return NULL; | 
|  | } | 
|  |  | 
|  | static inline void iram_free(unsigned long base, unsigned long size) {} | 
|  |  | 
|  | #endif |