18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */
28c2ecf20Sopenharmony_ci// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
38c2ecf20Sopenharmony_ci
48c2ecf20Sopenharmony_ci#ifndef __ASM_CSKY_FIXMAP_H
58c2ecf20Sopenharmony_ci#define __ASM_CSKY_FIXMAP_H
68c2ecf20Sopenharmony_ci
78c2ecf20Sopenharmony_ci#include <asm/page.h>
88c2ecf20Sopenharmony_ci#include <asm/memory.h>
98c2ecf20Sopenharmony_ci#ifdef CONFIG_HIGHMEM
108c2ecf20Sopenharmony_ci#include <linux/threads.h>
118c2ecf20Sopenharmony_ci#include <asm/kmap_types.h>
128c2ecf20Sopenharmony_ci#endif
138c2ecf20Sopenharmony_ci
148c2ecf20Sopenharmony_cienum fixed_addresses {
158c2ecf20Sopenharmony_ci#ifdef CONFIG_HAVE_TCM
168c2ecf20Sopenharmony_ci	FIX_TCM = TCM_NR_PAGES,
178c2ecf20Sopenharmony_ci#endif
188c2ecf20Sopenharmony_ci#ifdef CONFIG_HIGHMEM
198c2ecf20Sopenharmony_ci	FIX_KMAP_BEGIN,
208c2ecf20Sopenharmony_ci	FIX_KMAP_END = FIX_KMAP_BEGIN + (KM_TYPE_NR * NR_CPUS) - 1,
218c2ecf20Sopenharmony_ci#endif
228c2ecf20Sopenharmony_ci	__end_of_fixed_addresses
238c2ecf20Sopenharmony_ci};
248c2ecf20Sopenharmony_ci
258c2ecf20Sopenharmony_ci#define FIXADDR_SIZE	(__end_of_fixed_addresses << PAGE_SHIFT)
268c2ecf20Sopenharmony_ci#define FIXADDR_START	(FIXADDR_TOP - FIXADDR_SIZE)
278c2ecf20Sopenharmony_ci
288c2ecf20Sopenharmony_ci#include <asm-generic/fixmap.h>
298c2ecf20Sopenharmony_ci
308c2ecf20Sopenharmony_ciextern void fixrange_init(unsigned long start, unsigned long end,
318c2ecf20Sopenharmony_ci	pgd_t *pgd_base);
328c2ecf20Sopenharmony_ciextern void __init fixaddr_init(void);
338c2ecf20Sopenharmony_ci
348c2ecf20Sopenharmony_ci#endif /* __ASM_CSKY_FIXMAP_H */
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