1 /* SPDX-License-Identifier: GPL-2.0 */ 2 // Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd. 3 4 #ifndef __ASM_CSKY_FIXMAP_H 5 #define __ASM_CSKY_FIXMAP_H 6 7 #include <asm/page.h> 8 #include <asm/memory.h> 9 #ifdef CONFIG_HIGHMEM 10 #include <linux/threads.h> 11 #include <asm/kmap_size.h> 12 #endif 13 14 enum fixed_addresses { 15 #ifdef CONFIG_HAVE_TCM 16 FIX_TCM = TCM_NR_PAGES, 17 #endif 18 #ifdef CONFIG_HIGHMEM 19 FIX_KMAP_BEGIN, 20 FIX_KMAP_END = FIX_KMAP_BEGIN + (KM_MAX_IDX * NR_CPUS) - 1, 21 #endif 22 __end_of_fixed_addresses 23 }; 24 25 #define FIXADDR_SIZE (__end_of_fixed_addresses << PAGE_SHIFT) 26 #define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE) 27 28 #include <asm-generic/fixmap.h> 29 30 extern void fixrange_init(unsigned long start, unsigned long end, 31 pgd_t *pgd_base); 32 extern void __init fixaddr_init(void); 33 34 #endif /* __ASM_CSKY_FIXMAP_H */ 35