blob: b76ea61ba0b5e7672a707cc74f35afd9204bfb2e [file] [log] [blame]
York Sun7288c2c2015-03-20 19:28:23 -07001/*
2 * Copyright 2015 Freescale Semiconductor, Inc.
3 *
4 * SPDX-License-Identifier: GPL-2.0+
5 */
6
7#ifndef __DDR_H__
8#define __DDR_H__
9struct board_specific_parameters {
10 u32 n_ranks;
11 u32 datarate_mhz_high;
12 u32 rank_gb;
13 u32 clk_adjust;
14 u32 wrlvl_start;
15 u32 wrlvl_ctl_2;
16 u32 wrlvl_ctl_3;
17};
18
19/*
20 * These tables contain all valid speeds we want to override with board
21 * specific parameters. datarate_mhz_high values need to be in ascending order
22 * for each n_ranks group.
23 */
24
25static const struct board_specific_parameters udimm0[] = {
26 /*
27 * memory controller 0
28 * num| hi| rank| clk| wrlvl | wrlvl | wrlvl
29 * ranks| mhz| GB |adjst| start | ctl2 | ctl3
30 */
31 {2, 1350, 0, 4, 6, 0x0708090B, 0x0C0D0E09,},
32 {2, 1666, 0, 4, 7, 0x08090A0C, 0x0D0F100B,},
33 {2, 1900, 0, 4, 7, 0x09090B0D, 0x0E10120B,},
34 {2, 2300, 0, 4, 8, 0x090A0C0F, 0x1012130C,},
35 {}
36};
37
38/* DP-DDR DIMM */
39static const struct board_specific_parameters udimm2[] = {
40 /*
41 * memory controller 2
42 * num| hi| rank| clk| wrlvl | wrlvl | wrlvl
43 * ranks| mhz| GB |adjst| start | ctl2 | ctl3
44 */
45 {2, 1350, 0, 4, 0xd, 0x0C0A0A00, 0x00000009,},
46 {2, 1666, 0, 4, 0xd, 0x0C0A0A00, 0x00000009,},
47 {2, 1900, 0, 4, 0xe, 0x0D0C0B00, 0x0000000A,},
48 {2, 2200, 0, 4, 0xe, 0x0D0C0B00, 0x0000000A,},
49 {}
50};
51
52static const struct board_specific_parameters rdimm0[] = {
53 /*
54 * memory controller 0
55 * num| hi| rank| clk| wrlvl | wrlvl | wrlvl
56 * ranks| mhz| GB |adjst| start | ctl2 | ctl3
57 */
58 {2, 1350, 0, 4, 6, 0x0708090B, 0x0C0D0E09,},
59 {2, 1666, 0, 4, 7, 0x08090A0C, 0x0D0F100B,},
60 {2, 1900, 0, 4, 7, 0x09090B0D, 0x0E10120B,},
61 {2, 2200, 0, 4, 8, 0x090A0C0F, 0x1012130C,},
62 {}
63};
64
65/* DP-DDR DIMM */
66static const struct board_specific_parameters rdimm2[] = {
67 /*
68 * memory controller 2
69 * num| hi| rank| clk| wrlvl | wrlvl | wrlvl
70 * ranks| mhz| GB |adjst| start | ctl2 | ctl3
71 */
72 {2, 1350, 0, 4, 6, 0x0708090B, 0x0C0D0E09,},
73 {2, 1666, 0, 4, 7, 0x0B0A090C, 0x0D0F100B,},
74 {2, 1900, 0, 4, 7, 0x09090B0D, 0x0E10120B,},
75 {2, 2200, 0, 4, 8, 0x090A0C0F, 0x1012130C,},
76 {}
77};
78
79static const struct board_specific_parameters *udimms[] = {
80 udimm0,
81 udimm0,
82 udimm2,
83};
84
85static const struct board_specific_parameters *rdimms[] = {
86 rdimm0,
87 rdimm0,
88 rdimm2,
89};
90
91
92#endif