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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Defines for the SRAM driver
*/
#ifndef __SRAM_H
#define __SRAM_H
struct sram_config {
int (*init)(void);
bool map_only_reserved;
};
struct sram_partition {
void __iomem *base;
struct gen_pool *pool;
struct bin_attribute battr;
struct mutex lock;
struct list_head list;
};
struct sram_dev {
const struct sram_config *config;
struct device *dev;
void __iomem *virt_base;
bool no_memory_wc;
struct gen_pool *pool;
struct sram_partition *partition;
u32 partitions;
};
struct sram_reserve {
struct list_head list;
u32 start;
u32 size;
struct resource res;
bool export;
bool pool;
bool protect_exec;
const char *label;
};
#ifdef CONFIG_SRAM_EXEC
int sram_check_protect_exec(struct sram_dev *sram, struct sram_reserve *block,
struct sram_partition *part);
int sram_add_protect_exec(struct sram_partition *part);
#else
static inline int sram_check_protect_exec(struct sram_dev *sram,
struct sram_reserve *block,
struct sram_partition *part)
{
return -ENODEV;
}
static inline int sram_add_protect_exec(struct sram_partition *part)
{
return -ENODEV;
}
#endif /* CONFIG_SRAM_EXEC */
#endif /* __SRAM_H */
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