summaryrefslogtreecommitdiffstats
path: root/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-KMDH6001DA-B422-4GB.c
blob: 5617ff991f9ae0635ef1315e075e8a4630a22448 (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
/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */

#include <soc/emi.h>

struct sdram_params params = {
	.source = DRAMC_PARAM_SOURCE_SDRAM_CONFIG,
	.frequency = 1600,
	.wr_level = {
		[CHANNEL_A] = { {0x21, 0x21}, {0x20, 0x20} },
		[CHANNEL_B] = { {0x1E, 0x1F}, {0x1D, 0x1E} }
	},
	.cbt_cs_dly = {
		[CHANNEL_A] = {0x1, 0x1},
		[CHANNEL_B] = {0x2, 0x2}
	},
	.cbt_final_vref = {
		[CHANNEL_A] = {0x56, 0x56},
		[CHANNEL_B] = {0x58, 0x5C}
	},
	.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,
};