diff options
Diffstat (limited to 'src/mainboard/google/guado/spd/spd.c')
-rw-r--r-- | src/mainboard/google/guado/spd/spd.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/mainboard/google/guado/spd/spd.c b/src/mainboard/google/guado/spd/spd.c new file mode 100644 index 0000000000..bfbebf595d --- /dev/null +++ b/src/mainboard/google/guado/spd/spd.c @@ -0,0 +1,37 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2014 Google Inc. + * + * 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. + */ + +#include <arch/byteorder.h> +#include <cbfs.h> +#include <console/console.h> +#include <string.h> +#include <soc/gpio.h> +#include <soc/pei_data.h> +#include <soc/romstage.h> +#include <mainboard/google/guado/spd/spd.h> + +/* Copy SPD data for on-board memory */ +void mainboard_fill_spd_data(struct pei_data *pei_data) +{ + pei_data->spd_addresses[0] = 0xa0; + pei_data->spd_addresses[1] = 0x00; + pei_data->spd_addresses[2] = 0xa4; + pei_data->spd_addresses[3] = 0x00; + pei_data->dimm_channel0_disabled = 2; + pei_data->dimm_channel1_disabled = 2; + // Enable 2x refresh mode + pei_data->ddr_refresh_2x = 1; + pei_data->dq_pins_interleaved = 1; +} |