arch/powerpc/include/asm/fsl_85xx_cache_sram.h

   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__ */