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