xref: /openbmc/linux/arch/csky/include/asm/fixmap.h (revision da1d9caf)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 
3 #ifndef __ASM_CSKY_FIXMAP_H
4 #define __ASM_CSKY_FIXMAP_H
5 
6 #include <asm/page.h>
7 #include <asm/memory.h>
8 #ifdef CONFIG_HIGHMEM
9 #include <linux/threads.h>
10 #include <asm/kmap_size.h>
11 #endif
12 
13 enum fixed_addresses {
14 #ifdef CONFIG_HAVE_TCM
15 	FIX_TCM = TCM_NR_PAGES,
16 #endif
17 #ifdef CONFIG_HIGHMEM
18 	FIX_KMAP_BEGIN,
19 	FIX_KMAP_END = FIX_KMAP_BEGIN + (KM_MAX_IDX * NR_CPUS) - 1,
20 #endif
21 	__end_of_fixed_addresses
22 };
23 
24 #define FIXADDR_SIZE	(__end_of_fixed_addresses << PAGE_SHIFT)
25 #define FIXADDR_START	(FIXADDR_TOP - FIXADDR_SIZE)
26 
27 #include <asm-generic/fixmap.h>
28 
29 extern void fixrange_init(unsigned long start, unsigned long end,
30 	pgd_t *pgd_base);
31 extern void __init fixaddr_init(void);
32 
33 #endif /* __ASM_CSKY_FIXMAP_H */
34