xref: /netbsd-src/sys/arch/evbarm/fdt/platform.h (revision bdc22b2e01993381dcefeff2bc9b56ca75a4235c)
1 /* $NetBSD: platform.h,v 1.4 2018/04/01 04:35:04 ryo Exp $ */
2 
3 /*-
4  * Copyright (c) 2015-2017 Jared McNeill <jmcneill@invisible.ca>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #ifndef _EVBARM_FDT_PLATFORM_H
30 #define _EVBARM_FDT_PLATFORM_H
31 
32 #ifndef _LOCORE
33 void fdt_add_reserved_memory_range(uint64_t, uint64_t);
34 #endif
35 
36 #ifdef __aarch64__
37 
38 #define KERNEL_IO_VBASE		VM_KERNEL_IO_ADDRESS
39 
40 #define KERNEL_VM_BASE		VM_MIN_KERNEL_ADDRESS
41 #define KERNEL_VM_SIZE		(VM_MAX_KERNEL_ADDRESS - VM_MIN_KERNEL_ADDRESS)
42 
43 #else /* __aarch64__ */
44 
45 #define KERNEL_IO_VBASE		0xf0000000
46 #define KERNEL_IO_VSIZE		(KERNEL_IO_VBASE - VM_MAX_KERNEL_ADDRESS)
47 
48 #ifdef __HAVE_MM_MD_DIRECT_MAPPED_PHYS
49 #define KERNEL_VM_BASE		0xc0000000
50 #define KERNEL_VM_SIZE		0x20000000 /* 0x20000000 = 512MB */
51 #else
52 #define KERNEL_VM_BASE		0x90000000
53 #define KERNEL_VM_SIZE		0x50000000 /* 0x50000000 = 1.25GB */
54 #endif
55 
56 #endif /* !__aarch64 */
57 
58 #endif /* _EVBARM_FDT_PLATFORM_H */
59