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platform.h revision 1.4 
      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 (at) 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