diff options
Diffstat (limited to '')
-rw-r--r-- | drivers/misc/sram.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/misc/sram.h b/drivers/misc/sram.h new file mode 100644 index 000000000..9c1d21ff7 --- /dev/null +++ b/drivers/misc/sram.h @@ -0,0 +1,55 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Defines for the SRAM driver + */ +#ifndef __SRAM_H +#define __SRAM_H + +struct sram_partition { + void __iomem *base; + + struct gen_pool *pool; + struct bin_attribute battr; + struct mutex lock; + struct list_head list; +}; + +struct sram_dev { + struct device *dev; + void __iomem *virt_base; + + struct gen_pool *pool; + struct clk *clk; + + struct sram_partition *partition; + u32 partitions; +}; + +struct sram_reserve { + struct list_head list; + u32 start; + u32 size; + 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 */ |