xref: /OK3568_Linux_fs/u-boot/cmd/ddr_tool/memtester/sizes.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Very simple but very effective user-space memory tester.
4*4882a593Smuzhiyun  * Originally by Simon Kirby <sim@stormix.com> <sim@neato.org>
5*4882a593Smuzhiyun  * Version 2 by Charles Cazabon <charlesc-memtester@pyropus.ca>
6*4882a593Smuzhiyun  * Version 3 not publicly released.
7*4882a593Smuzhiyun  * Version 4 rewrite:
8*4882a593Smuzhiyun  * Copyright (C) 2004-2012 Charles Cazabon <charlesc-memtester@pyropus.ca>
9*4882a593Smuzhiyun  * Licensed under the terms of the GNU General Public License version 2 (only).
10*4882a593Smuzhiyun  * See the file COPYING for details.
11*4882a593Smuzhiyun  *
12*4882a593Smuzhiyun  * This file contains some macro definitions for handling 32/64 bit platforms.
13*4882a593Smuzhiyun  *
14*4882a593Smuzhiyun  */
15*4882a593Smuzhiyun #ifndef __CMD_DDR_TOOL_MEMTESTER_SIZES_H
16*4882a593Smuzhiyun #define __CMD_DDR_TOOL_MEMTESTER_SIZES_H
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun #include <common.h>
19*4882a593Smuzhiyun 
20*4882a593Smuzhiyun #define rand32() ((unsigned int)rand() | ((unsigned int)rand() << 16))
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun #define rand_ul() rand32()
23*4882a593Smuzhiyun #define UL_ONEBITS 0xffffffff
24*4882a593Smuzhiyun #define UL_LEN 32
25*4882a593Smuzhiyun #define CHECKERBOARD1 0x55555555
26*4882a593Smuzhiyun #define CHECKERBOARD2 0xaaaaaaaa
27*4882a593Smuzhiyun #define UL_BYTE(x) ((x | x << 8 | x << 16 | x << 24))
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun #endif /* __CMD_DDR_TOOL_MEMTESTER_SIZES_H */
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