xref: /freebsd/sys/contrib/ncsw/inc/ddr_std_ext.h (revision 61e21613)
1 /*
2  * Copyright 2008-2012 Freescale Semiconductor Inc.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are met:
6  *     * Redistributions of source code must retain the above copyright
7  *       notice, this list of conditions and the following disclaimer.
8  *     * Redistributions in binary form must reproduce the above copyright
9  *       notice, this list of conditions and the following disclaimer in the
10  *       documentation and/or other materials provided with the distribution.
11  *     * Neither the name of Freescale Semiconductor nor the
12  *       names of its contributors may be used to endorse or promote products
13  *       derived from this software without specific prior written permission.
14  *
15  *
16  * ALTERNATIVELY, this software may be distributed under the terms of the
17  * GNU General Public License ("GPL") as published by the Free Software
18  * Foundation, either version 2 of that License or (at your option) any
19  * later version.
20  *
21  * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
22  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24  * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
25  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
26  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
27  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
28  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #ifndef __DDR_SDT_EXT_H
34 #define __DDR_SDT_EXT_H
35 
36 
37 /**************************************************************************//**
38  @Group         ddr_Generic_Resources
39 
40  @Description   ddr generic functions, definitions and enums.
41 
42  @{
43 *//***************************************************************************/
44 
45 
46 /**************************************************************************//**
47  @Description   SPD maximum size
48 *//***************************************************************************/
49 #define SPD_MAX_SIZE 256
50 
51 /**************************************************************************//**
52  @Description   DDR types select
53 *//***************************************************************************/
54 typedef enum e_DdrType
55 {
56     e_DDR_DDR1,
57     e_DDR_DDR2,
58     e_DDR_DDR3,
59     e_DDR_DDR3L,
60     e_DDR_DDR4
61 } e_DdrType;
62 
63 /**************************************************************************//**
64  @Description   DDR Mode.
65 *//***************************************************************************/
66 typedef enum e_DdrMode
67 {
68     e_DDR_BUS_WIDTH_32BIT,
69     e_DDR_BUS_WIDTH_64BIT
70 } e_DdrMode;
71 
72 /** @} */ /* end of ddr_Generic_Resources group */
73 
74 
75 
76 #endif /* __DDR_SDT_EXT_H */
77 
78