1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * Copyright 2009 Freescale Semiconductor, Inc.
4  *
5  * Cache SRAM handling for QorIQ platform
6  *
7  * Author: Vivek Mahajan <vivek.mahajan@freescale.com>
8 
9  * This file is derived from the original work done
10  * by Sylvain Munaut for the Bestcomm SRAM allocator.
11  */
12 
13 #ifndef __ASM_POWERPC_FSL_85XX_CACHE_SRAM_H__
14 #define __ASM_POWERPC_FSL_85XX_CACHE_SRAM_H__
15 
16 #include <asm/rheap.h>
17 #include <linux/spinlock.h>
18 
19 /*
20  * Cache-SRAM
21  */
22 
23 struct mpc85xx_cache_sram {
24 	phys_addr_t base_phys;
25 	void *base_virt;
26 	unsigned int size;
27 	rh_info_t *rh;
28 	spinlock_t lock;
29 };
30 
31 extern void mpc85xx_cache_sram_free(void *ptr);
32 extern void *mpc85xx_cache_sram_alloc(unsigned int size,
33 				  phys_addr_t *phys, unsigned int align);
34 
35 #endif /* __AMS_POWERPC_FSL_85XX_CACHE_SRAM_H__ */
36