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1 /*
2  * Copyright 2009 Freescale Semiconductor, Inc.
3  *
4  * Cache SRAM handling for QorIQ platform
5  *
6  * Author: Vivek Mahajan <vivek.mahajan@freescale.com>
7 
8  * This file is derived from the original work done
9  * by Sylvain Munaut for the Bestcomm SRAM allocator.
10  *
11  * This program is free software; you can redistribute  it and/or modify it
12  * under  the terms of  the GNU General  Public License as published by the
13  * Free Software Foundation;  either version 2 of the  License, or (at your
14  * option) any later version.
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19  * GNU General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License
22  * along with this program; if not, write to the Free Software
23  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24  */
25 
26 #ifndef __ASM_POWERPC_FSL_85XX_CACHE_SRAM_H__
27 #define __ASM_POWERPC_FSL_85XX_CACHE_SRAM_H__
28 
29 #include <asm/rheap.h>
30 #include <linux/spinlock.h>
31 
32 /*
33  * Cache-SRAM
34  */
35 
36 struct mpc85xx_cache_sram {
37 	phys_addr_t base_phys;
38 	void *base_virt;
39 	unsigned int size;
40 	rh_info_t *rh;
41 	spinlock_t lock;
42 };
43 
44 extern void mpc85xx_cache_sram_free(void *ptr);
45 extern void *mpc85xx_cache_sram_alloc(unsigned int size,
46 				  phys_addr_t *phys, unsigned int align);
47 
48 #endif /* __AMS_POWERPC_FSL_85XX_CACHE_SRAM_H__ */
49