diff options
Diffstat (limited to 'src/mainboard/google/rambi/variants/heli/include/variant/variant.h')
| -rw-r--r-- | src/mainboard/google/rambi/variants/heli/include/variant/variant.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/mainboard/google/rambi/variants/heli/include/variant/variant.h b/src/mainboard/google/rambi/variants/heli/include/variant/variant.h new file mode 100644 index 0000000000..d25b9c9f21 --- /dev/null +++ b/src/mainboard/google/rambi/variants/heli/include/variant/variant.h @@ -0,0 +1,36 @@ +/* + * This file is part of the coreboot project. + * + * 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. + */ + +#ifndef VARIANT_H +#define VARIANT_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 |