coreboot
coreboot is an Open Source project aimed at replacing the proprietary BIOS found in most computers.
variant.h
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/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef VARIANT_H
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#define VARIANT_H
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#include <
stdint.h
>
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/*
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* RAM_ID[2:0] are on GPIO_SSUS[39:37]
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* 0b000 - 4GiB total - 2 x 2GiB Samsung K4B4G1646Q-HYK0 1600MHz
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* 0b001 - 4GiB total - 2 x 2GiB Hynix H5TC4G63AFR-PBA 1600MHz
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* 0b010 - 2GiB total - 2 x 1GiB Micron MT41K128M16JT-125:K 1600MHz
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* 0b011 - 2GiB total - 1 x 2GiB Hynix H5TC4G63MFR-PBA 1600MHz
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* 0b100 - 2GiB total - 1 x 2GiB Hynix H5TC4G63CFR-PBA 1600MHz
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* 0b101 - 2GiB total - 1 x 2GiB Hynix H5TC4G63AFR-PBA 1600MHz
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* 0b110 - 4GiB total - 2 x 2GiB Hynix H5TC4G63CFR-PBA 1600MHz
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* 0b111 - 4GiB total - 2 x 2GiB Hynix H5TC4G63MFR-PBA 1600MHz
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*/
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static
const
uint32_t
dual_channel_config
=
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(1 << 0) | (1 << 1) | (1 << 2) | (1 << 6) | (1 << 7);
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#define SPD_SIZE 256
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#define GPIO_SSUS_37_PAD 57
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#define GPIO_SSUS_38_PAD 50
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#define GPIO_SSUS_39_PAD 58
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#define GPIO_SSUS_40_PAD 52
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#define GPIO_SSUS_40_PAD_USE_PULLDOWN
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#endif
dual_channel_config
static const uint32_t dual_channel_config
Definition:
variant.h:20
stdint.h
uint32_t
unsigned int uint32_t
Definition:
stdint.h:14
src
mainboard
google
rambi
variants
gnawty
include
variant
variant.h
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