xref: /openbmc/u-boot/board/freescale/ls1088a/ddr.h (revision c590e62d3b6f6dd72eae1183614f919e3fd7ffcb)
183d290c5STom Rini /* SPDX-License-Identifier: GPL-2.0+ */
2e84a324bSAshish Kumar /*
3e84a324bSAshish Kumar  * Copyright 2017 NXP
4e84a324bSAshish Kumar  */
5e84a324bSAshish Kumar 
6e84a324bSAshish Kumar #ifndef __LS1088A_DDR_H__
7e84a324bSAshish Kumar #define __LS1088A_DDR_H__
8e84a324bSAshish Kumar struct board_specific_parameters {
9e84a324bSAshish Kumar 	u32 n_ranks;
10e84a324bSAshish Kumar 	u32 datarate_mhz_high;
11e84a324bSAshish Kumar 	u32 rank_gb;
12e84a324bSAshish Kumar 	u32 clk_adjust;
13e84a324bSAshish Kumar 	u32 wrlvl_start;
14e84a324bSAshish Kumar 	u32 wrlvl_ctl_2;
15e84a324bSAshish Kumar 	u32 wrlvl_ctl_3;
16e84a324bSAshish Kumar };
17e84a324bSAshish Kumar 
18e84a324bSAshish Kumar /*
19e84a324bSAshish Kumar  * These tables contain all valid speeds we want to override with board
20e84a324bSAshish Kumar  * specific parameters. datarate_mhz_high values need to be in ascending order
21e84a324bSAshish Kumar  * for each n_ranks group.
22e84a324bSAshish Kumar  */
23e84a324bSAshish Kumar 
24e84a324bSAshish Kumar static const struct board_specific_parameters udimm0[] = {
25e84a324bSAshish Kumar 	/*
26e84a324bSAshish Kumar 	 * memory controller 0
27e84a324bSAshish Kumar 	 *   num|  hi| rank|  clk| wrlvl |   wrlvl   |  wrlvl
28e84a324bSAshish Kumar 	 * ranks| mhz| GB  |adjst| start |   ctl2    |  ctl3
29e84a324bSAshish Kumar 	 */
30e84a324bSAshish Kumar #if defined(CONFIG_TARGET_LS1088ARDB)
31e84a324bSAshish Kumar 
32e84a324bSAshish Kumar 	{2,  1666, 0, 8,     8, 0x090A0B0E, 0x0F10110D,},
33*7d3a532dSAshish Kumar 	{2,  1900, 0, 8,     9, 0x0A0B0C10, 0x1112140E,},
34e84a324bSAshish Kumar 	{2,  2300, 0, 8,     9, 0x0A0C0E11, 0x1214160F,},
35e84a324bSAshish Kumar 	{}
367769776aSAshish Kumar #elif defined(CONFIG_TARGET_LS1088AQDS)
377769776aSAshish Kumar 	{2,  1666, 0, 8,     8, 0x0A0A0C0E, 0x0F10110C,},
38*7d3a532dSAshish Kumar 	{2,  1900, 0, 8,     9, 0x0A0B0C10, 0x1112140E,},
397769776aSAshish Kumar 	{2,  2300, 0, 4,     9, 0x0A0C0D11, 0x1214150E,},
407769776aSAshish Kumar 	{}
41e84a324bSAshish Kumar 
42e84a324bSAshish Kumar #endif
43e84a324bSAshish Kumar };
44e84a324bSAshish Kumar 
45e84a324bSAshish Kumar static const struct board_specific_parameters *udimms[] = {
46e84a324bSAshish Kumar 	udimm0,
47e84a324bSAshish Kumar };
48e84a324bSAshish Kumar #endif
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