Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Defines for the SRAM driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #ifndef __SRAM_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #define __SRAM_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) struct sram_partition {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 	void __iomem *base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 	struct gen_pool *pool;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 	struct bin_attribute battr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	struct mutex lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	struct list_head list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) struct sram_dev {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	struct device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	void __iomem *virt_base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	struct gen_pool *pool;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	struct clk *clk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	struct sram_partition *partition;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	u32 partitions;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) struct sram_reserve {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	struct list_head list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	u32 start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	u32 size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	bool export;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	bool pool;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	bool protect_exec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	const char *label;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #ifdef CONFIG_SRAM_EXEC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) int sram_check_protect_exec(struct sram_dev *sram, struct sram_reserve *block,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 			    struct sram_partition *part);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) int sram_add_protect_exec(struct sram_partition *part);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) static inline int sram_check_protect_exec(struct sram_dev *sram,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 					  struct sram_reserve *block,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 					  struct sram_partition *part)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) static inline int sram_add_protect_exec(struct sram_partition *part)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 	return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #endif /* CONFIG_SRAM_EXEC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #endif /* __SRAM_H */