/* SPDX-License-Identifier: GPL-2.0 */#ifndef _ASM_FIXMAP_H#define _ASM_FIXMAP_H #define FIXADDR_START		0xffc80000UL#define FIXADDR_END		0xfff00000UL#define FIXADDR_TOP		(FIXADDR_END - PAGE_SIZE) #include <linux/pgtable.h>#include <asm/kmap_size.h> enum fixed_addresses {	FIX_EARLYCON_MEM_BASE,	__end_of_permanent_fixed_addresses, 	FIX_KMAP_BEGIN = __end_of_permanent_fixed_addresses,	FIX_KMAP_END = FIX_KMAP_BEGIN + (KM_MAX_IDX * NR_CPUS) - 1, 	/* Support writing RO kernel text via kprobes, jump labels, etc. */	FIX_TEXT_POKE0,	FIX_TEXT_POKE1, 	__end_of_fixmap_region, 	/*	 * Share the kmap() region with early_ioremap(): this is guaranteed	 * not to clash since early_ioremap() is only available before	 * paging_init(), and kmap() only after.	 */#define NR_FIX_BTMAPS		32#define FIX_BTMAPS_SLOTS	7#define TOTAL_FIX_BTMAPS	(NR_FIX_BTMAPS * FIX_BTMAPS_SLOTS) 	FIX_BTMAP_END = __end_of_permanent_fixed_addresses,	FIX_BTMAP_BEGIN = FIX_BTMAP_END + TOTAL_FIX_BTMAPS - 1,	__end_of_early_ioremap_region}; static const enum fixed_addresses __end_of_fixed_addresses =	__end_of_fixmap_region > __end_of_early_ioremap_region ?	__end_of_fixmap_region : __end_of_early_ioremap_region; #define FIXMAP_PAGE_COMMON	(L_PTE_YOUNG | L_PTE_PRESENT | L_PTE_XN | L_PTE_DIRTY) #define FIXMAP_PAGE_NORMAL	(pgprot_kernel | L_PTE_XN)#define FIXMAP_PAGE_RO		(FIXMAP_PAGE_NORMAL | L_PTE_RDONLY) /* Used by set_fixmap_(io|nocache), both meant for mapping a device */#define FIXMAP_PAGE_IO		(FIXMAP_PAGE_COMMON | L_PTE_MT_DEV_SHARED | L_PTE_SHARED)#define FIXMAP_PAGE_NOCACHE	FIXMAP_PAGE_IO #define __early_set_fixmap	__set_fixmap #ifdef CONFIG_MMU void __set_fixmap(enum fixed_addresses idx, phys_addr_t phys, pgprot_t prot);void __init early_fixmap_init(void); #include <asm-generic/fixmap.h> #else static inline void early_fixmap_init(void) { } #endif#endif