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
23 int __init iram_init(unsigned long base, unsigned long size);
24 void __iomem *iram_alloc(unsigned int size, unsigned long *dma_addr);
25 void iram_free(unsigned long dma_addr, unsigned int size);
26
27 #else
28
iram_init(unsigned long base,unsigned long size)29 static inline int __init iram_init(unsigned long base, unsigned long size)
30 {
31 return -ENOMEM;
32 }
33
iram_alloc(unsigned int size,unsigned long * dma_addr)34 static inline void __iomem *iram_alloc(unsigned int size, unsigned long *dma_addr)
35 {
36 return NULL;
37 }
38
iram_free(unsigned long base,unsigned long size)39 static inline void iram_free(unsigned long base, unsigned long size) {}
40
41 #endif
42