xref: /OK3568_Linux_fs/u-boot/include/physmem.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
3*4882a593Smuzhiyun  * Use of this source code is governed by a BSD-style license that can be
4*4882a593Smuzhiyun  * found in the LICENSE file.
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  * Alternatively, this software may be distributed under the terms of the
7*4882a593Smuzhiyun  * GNU General Public License ("GPL") version 2 as published by the Free
8*4882a593Smuzhiyun  * Software Foundation.
9*4882a593Smuzhiyun  */
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun /*
12*4882a593Smuzhiyun  * These functions work like memset but operate on physical memory which may
13*4882a593Smuzhiyun  * not be accessible directly.
14*4882a593Smuzhiyun  *
15*4882a593Smuzhiyun  * @param s	The physical address to start setting memory at.
16*4882a593Smuzhiyun  * @param c	The character to set each byte of the region to.
17*4882a593Smuzhiyun  * @param n	The number of bytes to set.
18*4882a593Smuzhiyun  *
19*4882a593Smuzhiyun  * @return	The physical address of the memory which was set.
20*4882a593Smuzhiyun  */
21*4882a593Smuzhiyun phys_addr_t arch_phys_memset(phys_addr_t s, int c, phys_size_t n);
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