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Angel Pons47f26db2020-04-05 13:22:34 +02001/* SPDX-License-Identifier: GPL-2.0-only */
2/* This file is part of the coreboot project. */
Matt DeVillier9be3f5d2017-01-16 17:32:38 -06003
4#ifndef VARIANT_H
5#define VARIANT_H
6
Elyes HAOUASdfbe6bd2018-10-29 06:56:52 +01007#include <stdint.h>
8
Matt DeVillier9be3f5d2017-01-16 17:32:38 -06009/*
10 * RAM_ID[2:0] are on GPIO_SSUS[39:37]
11 * 0b000 - 2GiB total - 1 x 2GiB Samsung K4B4G1646Q-HYK0 1600MHz
12 * 0b001 - 2GiB total - 1 x 2GiB Hynix H5TC4G63AFR-PBA 1600MHz
13 * 0b010 - 4GiB total - 2 x 2GiB Samsung K4B4G1646Q-HYK0 1600MHz
14 * 0b011 - 4GiB total - 2 x 2GiB Hynix H5TC4G63AFR-PBA 1600MHz
15 */
16
17static const uint32_t dual_channel_config =
18 (1 << 2) | (1 << 3);
19
20#define SPD_SIZE 256
21#define GPIO_SSUS_37_PAD 57
22#define GPIO_SSUS_38_PAD 50
23#define GPIO_SSUS_39_PAD 58
24
25#endif