aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/misc/sram.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/misc/sram.h')
-rw-r--r--drivers/misc/sram.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/drivers/misc/sram.h b/drivers/misc/sram.h
new file mode 100644
index 000000000000..c181ce4c8fca
--- /dev/null
+++ b/drivers/misc/sram.h
@@ -0,0 +1,58 @@
1/*
2 * Defines for the SRAM driver
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 */
8#ifndef __SRAM_H
9#define __SRAM_H
10
11struct sram_partition {
12 void __iomem *base;
13
14 struct gen_pool *pool;
15 struct bin_attribute battr;
16 struct mutex lock;
17 struct list_head list;
18};
19
20struct sram_dev {
21 struct device *dev;
22 void __iomem *virt_base;
23
24 struct gen_pool *pool;
25 struct clk *clk;
26
27 struct sram_partition *partition;
28 u32 partitions;
29};
30
31struct sram_reserve {
32 struct list_head list;
33 u32 start;
34 u32 size;
35 bool export;
36 bool pool;
37 bool protect_exec;
38 const char *label;
39};
40
41#ifdef CONFIG_SRAM_EXEC
42int sram_check_protect_exec(struct sram_dev *sram, struct sram_reserve *block,
43 struct sram_partition *part);
44int sram_add_protect_exec(struct sram_partition *part);
45#else
46static inline int sram_check_protect_exec(struct sram_dev *sram,
47 struct sram_reserve *block,
48 struct sram_partition *part)
49{
50 return -ENODEV;
51}
52
53static inline int sram_add_protect_exec(struct sram_partition *part)
54{
55 return -ENODEV;
56}
57#endif /* CONFIG_SRAM_EXEC */
58#endif /* __SRAM_H */