Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef _ASM_EARLY_IOREMAP_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define _ASM_EARLY_IOREMAP_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  * early_ioremap() and early_iounmap() are for temporary early boot-time
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  * mappings, before the real ioremap() is functional.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) extern void __iomem *early_ioremap(resource_size_t phys_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 				   unsigned long size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) extern void *early_memremap(resource_size_t phys_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 			    unsigned long size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) extern void *early_memremap_ro(resource_size_t phys_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 			       unsigned long size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) extern void *early_memremap_prot(resource_size_t phys_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 				 unsigned long size, unsigned long prot_val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) extern void early_iounmap(void __iomem *addr, unsigned long size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) extern void early_memunmap(void *addr, unsigned long size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)  * Weak function called by early_ioremap_reset(). It does nothing, but
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)  * architectures may provide their own version to do any needed cleanups.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) extern void early_ioremap_shutdown(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #if defined(CONFIG_GENERIC_EARLY_IOREMAP) && defined(CONFIG_MMU)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) /* Arch-specific initialization */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) extern void early_ioremap_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) /* Generic initialization called by architecture code */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) extern void early_ioremap_setup(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)  * Called as last step in paging_init() so library can act
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)  * accordingly for subsequent map/unmap requests.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) extern void early_ioremap_reset(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)  * Early copy from unmapped memory to kernel mapped memory.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) extern void copy_from_early_mem(void *dest, phys_addr_t src,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 				unsigned long size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) static inline void early_ioremap_init(void) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) static inline void early_ioremap_setup(void) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) static inline void early_ioremap_reset(void) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #endif /* _ASM_EARLY_IOREMAP_H_ */