1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Defines for the SRAM driver 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun #ifndef __SRAM_H 6*4882a593Smuzhiyun #define __SRAM_H 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun struct sram_partition { 9*4882a593Smuzhiyun void __iomem *base; 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun struct gen_pool *pool; 12*4882a593Smuzhiyun struct bin_attribute battr; 13*4882a593Smuzhiyun struct mutex lock; 14*4882a593Smuzhiyun struct list_head list; 15*4882a593Smuzhiyun }; 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun struct sram_dev { 18*4882a593Smuzhiyun struct device *dev; 19*4882a593Smuzhiyun void __iomem *virt_base; 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun struct gen_pool *pool; 22*4882a593Smuzhiyun struct clk *clk; 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun struct sram_partition *partition; 25*4882a593Smuzhiyun u32 partitions; 26*4882a593Smuzhiyun }; 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun struct sram_reserve { 29*4882a593Smuzhiyun struct list_head list; 30*4882a593Smuzhiyun u32 start; 31*4882a593Smuzhiyun u32 size; 32*4882a593Smuzhiyun bool export; 33*4882a593Smuzhiyun bool pool; 34*4882a593Smuzhiyun bool protect_exec; 35*4882a593Smuzhiyun const char *label; 36*4882a593Smuzhiyun }; 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun #ifdef CONFIG_SRAM_EXEC 39*4882a593Smuzhiyun int sram_check_protect_exec(struct sram_dev *sram, struct sram_reserve *block, 40*4882a593Smuzhiyun struct sram_partition *part); 41*4882a593Smuzhiyun int sram_add_protect_exec(struct sram_partition *part); 42*4882a593Smuzhiyun #else sram_check_protect_exec(struct sram_dev * sram,struct sram_reserve * block,struct sram_partition * part)43*4882a593Smuzhiyunstatic inline int sram_check_protect_exec(struct sram_dev *sram, 44*4882a593Smuzhiyun struct sram_reserve *block, 45*4882a593Smuzhiyun struct sram_partition *part) 46*4882a593Smuzhiyun { 47*4882a593Smuzhiyun return -ENODEV; 48*4882a593Smuzhiyun } 49*4882a593Smuzhiyun sram_add_protect_exec(struct sram_partition * part)50*4882a593Smuzhiyunstatic inline int sram_add_protect_exec(struct sram_partition *part) 51*4882a593Smuzhiyun { 52*4882a593Smuzhiyun return -ENODEV; 53*4882a593Smuzhiyun } 54*4882a593Smuzhiyun #endif /* CONFIG_SRAM_EXEC */ 55*4882a593Smuzhiyun #endif /* __SRAM_H */ 56