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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__ */ |