variant.h

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#ifndef VARIANT_H
#define VARIANT_H
 
#include <stdint.h>
 
/*
 * RAM_ID[3:0] are on GPIO_SSUS[40:37]
 * RAM_ID       Vendor  Vendor_PN       Freq    Size    Total_size      channel
 * 0b0011       Hynix   H5TC4G63AFR-PBA 1600MHZ 4Gb     2GB     single-channel
 * 0b0100       Hynix   H5TC4G63CFR-PBA 1600MHZ 4Gb     2GB     single-channel
 * 0b0101       Samsung K4B4G1646Q-HYK0 1600MHZ 4Gb     2GB     single-channel
 * 0b0110       Hynix   H5TC4G63CFR-PBA 1600MHZ 4Gb     4GB     dual-channel
 * 0b0111       Samsung K4B4G1646Q-HYK0 1600MHZ 4Gb     4GB     dual-channel
 */
 
static const uint32_t dual_channel_config =
        (1 << 6) | (1 << 7);
 
#define SPD_SIZE 256
#define GPIO_SSUS_37_PAD 57
#define GPIO_SSUS_38_PAD 50
#define GPIO_SSUS_39_PAD 58
#define GPIO_SSUS_40_PAD 52
 
#endif