diff options
Diffstat (limited to 'arch/csky/include/asm/fixmap.h')
-rw-r--r-- | arch/csky/include/asm/fixmap.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/csky/include/asm/fixmap.h b/arch/csky/include/asm/fixmap.h new file mode 100644 index 0000000000..49a77cbbe2 --- /dev/null +++ b/arch/csky/include/asm/fixmap.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#ifndef __ASM_CSKY_FIXMAP_H +#define __ASM_CSKY_FIXMAP_H + +#include <asm/page.h> +#include <asm/memory.h> +#ifdef CONFIG_HIGHMEM +#include <linux/threads.h> +#include <asm/kmap_size.h> +#endif + +enum fixed_addresses { +#ifdef CONFIG_HAVE_TCM + FIX_TCM = TCM_NR_PAGES, +#endif +#ifdef CONFIG_HIGHMEM + FIX_KMAP_BEGIN, + FIX_KMAP_END = FIX_KMAP_BEGIN + (KM_MAX_IDX * NR_CPUS) - 1, +#endif + __end_of_fixed_addresses +}; + +#define FIXADDR_SIZE (__end_of_fixed_addresses << PAGE_SHIFT) +#define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE) + +#include <asm-generic/fixmap.h> + +extern void fixrange_init(unsigned long start, unsigned long end, + pgd_t *pgd_base); +extern void __init fixaddr_init(void); + +#endif /* __ASM_CSKY_FIXMAP_H */ |