summaryrefslogtreecommitdiff
path: root/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-MT53E1G32D4NQ-4GB.c
blob: e5b3dcc990d97f906b53480fdf0ea5d8da070132 (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
/*
 * This file is part of the coreboot project.
 *
 * Copyright 2018 MediaTek Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <soc/emi.h>

struct sdram_params params = {
	.source = DRAMC_PARAM_SOURCE_SDRAM_CONFIG,
	.frequency = 1600,
	.wr_level = {
		[CHANNEL_A] = { {0x1F, 0x19}, {0x20, 0x1A} },
		[CHANNEL_B] = { {0x22, 0x1E}, {0x22, 0x1E} }
	},
	.cbt_cs_dly = {
		[CHANNEL_A] = {0x5, 0x4},
		[CHANNEL_B] = {0x8, 0x8}
	},
	.cbt_final_vref = {
		[CHANNEL_A] = {0x56, 0x56},
		[CHANNEL_B] = {0x56, 0x56}
	},
	.emi_cona_val = 0xF053F154,
	.emi_conh_val = 0x44440003,
	.emi_conf_val = 0x00421000,
	.chn_emi_cona_val = {0x0444F051, 0x0444F051},
	.cbt_mode_extern = CBT_NORMAL_MODE,
	.delay_cell_unit = 868,
};