summaryrefslogtreecommitdiffstats
path: root/board/freescale/t104xrdb/ddr.h
blob: ab1c32d10e791ab0a8f4d56f927b73d6215d8ed8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
/*
 * Copyright 2013 Freescale Semiconductor, Inc.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef __DDR_H__
#define __DDR_H__
struct board_specific_parameters {
	u32 n_ranks;
	u32 datarate_mhz_high;
	u32 rank_gb;
	u32 clk_adjust;
	u32 wrlvl_start;
	u32 wrlvl_ctl_2;
	u32 wrlvl_ctl_3;
};

/*
 * These tables contain all valid speeds we want to override with board
 * specific parameters. datarate_mhz_high values need to be in ascending order
 * for each n_ranks group.
 */

static const struct board_specific_parameters udimm0[] = {
	/*
	 * memory controller 0
	 *   num|  hi| rank|  clk| wrlvl |   wrlvl
	 * ranks| mhz| GB  |adjst| start |   ctl2
	 */
	{2,  833,  4, 4,     6, 0x06060607, 0x08080807},
	{2,  833,  0, 4,     6, 0x06060607, 0x08080807},
	{2,  1350, 4, 4,     7, 0x0708080A, 0x0A0B0C09},
	{2,  1350, 0, 4,     7, 0x0708080A, 0x0A0B0C09},
	{2,  1666, 4, 4,     7, 0x0808090B, 0x0C0D0E0A},
	{2,  1666, 0, 4,     7, 0x0808090B, 0x0C0D0E0A},
	{1,  833,  4, 4,     6, 0x06060607, 0x08080807},
	{1,  833,  0, 4,     6, 0x06060607, 0x08080807},
	{1,  1350, 4, 4,     7, 0x0708080A, 0x0A0B0C09},
	{1,  1350, 0, 4,     7, 0x0708080A, 0x0A0B0C09},
	{1,  1666, 4, 4,     7, 0x0808090B, 0x0C0D0E0A},
	{1,  1666, 0, 4,     7, 0x0808090B, 0x0C0D0E0A},
	{}
};

static const struct board_specific_parameters *udimms[] = {
	udimm0,
};
#endif