1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Defines for the SRAM driver
 4 */
 5#ifndef __SRAM_H
 6#define __SRAM_H
 7
 8struct sram_config {
 9	int (*init)(void);
10	bool map_only_reserved;
11};
12
13struct sram_partition {
14	void __iomem *base;
15
16	struct gen_pool *pool;
17	struct bin_attribute battr;
18	struct mutex lock;
19	struct list_head list;
20};
21
22struct sram_dev {
23	const struct sram_config *config;
24
25	struct device *dev;
26	void __iomem *virt_base;
27	bool no_memory_wc;
28
29	struct gen_pool *pool;
 
30
31	struct sram_partition *partition;
32	u32 partitions;
33};
34
35struct sram_reserve {
36	struct list_head list;
37	u32 start;
38	u32 size;
39	struct resource res;
40	bool export;
41	bool pool;
42	bool protect_exec;
43	const char *label;
44};
45
46#ifdef CONFIG_SRAM_EXEC
47int sram_check_protect_exec(struct sram_dev *sram, struct sram_reserve *block,
48			    struct sram_partition *part);
49int sram_add_protect_exec(struct sram_partition *part);
50#else
51static inline int sram_check_protect_exec(struct sram_dev *sram,
52					  struct sram_reserve *block,
53					  struct sram_partition *part)
54{
55	return -ENODEV;
56}
57
58static inline int sram_add_protect_exec(struct sram_partition *part)
59{
60	return -ENODEV;
61}
62#endif /* CONFIG_SRAM_EXEC */
63#endif /* __SRAM_H */

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