xref: /linux/arch/csky/include/asm/memory.h (revision fbf46565c67c626849c7ce2a326972d3008d2a91)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 
3 #ifndef __ASM_CSKY_MEMORY_H
4 #define __ASM_CSKY_MEMORY_H
5 
6 #include <linux/compiler.h>
7 #include <linux/const.h>
8 #include <linux/types.h>
9 #include <linux/sizes.h>
10 
11 #define FIXADDR_TOP	_AC(0xffffc000, UL)
12 #define PKMAP_BASE	_AC(0xff800000, UL)
13 #define VMALLOC_START	(PAGE_OFFSET + LOWMEM_LIMIT + (PAGE_SIZE * 8))
14 #define VMALLOC_END	(PKMAP_BASE - (PAGE_SIZE * 2))
15 
16 #ifdef CONFIG_HAVE_TCM
17 #ifdef CONFIG_HAVE_DTCM
18 #define TCM_NR_PAGES	(CONFIG_ITCM_NR_PAGES + CONFIG_DTCM_NR_PAGES)
19 #else
20 #define TCM_NR_PAGES	(CONFIG_ITCM_NR_PAGES)
21 #endif
22 #define FIXADDR_TCM	_AC(FIXADDR_TOP - (TCM_NR_PAGES * PAGE_SIZE), UL)
23 #endif
24 
25 #endif
26