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