From 04746fc22c667506da528394ca6764656b05657e Mon Sep 17 00:00:00 2001 From: Patrick Georgi Date: Fri, 5 Jun 2015 18:53:43 +0200 Subject: google/jecht: add new mainboard Taken from CrOS, including everything up to commit da4c33913. Adapted to upstream. Change-Id: I095e6726a220200ba17719fc05fcdc521da484e8 Signed-off-by: Patrick Georgi Reviewed-on: http://review.coreboot.org/10432 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer --- src/mainboard/google/jecht/spd/Makefile.inc | 20 ++++++++++++++ src/mainboard/google/jecht/spd/spd.c | 41 +++++++++++++++++++++++++++++ src/mainboard/google/jecht/spd/spd.h | 26 ++++++++++++++++++ 3 files changed, 87 insertions(+) create mode 100644 src/mainboard/google/jecht/spd/Makefile.inc create mode 100644 src/mainboard/google/jecht/spd/spd.c create mode 100644 src/mainboard/google/jecht/spd/spd.h (limited to 'src/mainboard/google/jecht/spd') diff --git a/src/mainboard/google/jecht/spd/Makefile.inc b/src/mainboard/google/jecht/spd/Makefile.inc new file mode 100644 index 0000000000..6531fca325 --- /dev/null +++ b/src/mainboard/google/jecht/spd/Makefile.inc @@ -0,0 +1,20 @@ +## +## 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. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc. +## + +romstage-y += spd.c diff --git a/src/mainboard/google/jecht/spd/spd.c b/src/mainboard/google/jecht/spd/spd.c new file mode 100644 index 0000000000..37247f5815 --- /dev/null +++ b/src/mainboard/google/jecht/spd/spd.c @@ -0,0 +1,41 @@ +/* + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc. + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +/* 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; +} diff --git a/src/mainboard/google/jecht/spd/spd.h b/src/mainboard/google/jecht/spd/spd.h new file mode 100644 index 0000000000..ffdd5d80ee --- /dev/null +++ b/src/mainboard/google/jecht/spd/spd.h @@ -0,0 +1,26 @@ +/* + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc. + */ + +#ifndef MAINBOARD_SPD_H +#define MAINBOARD_SPD_H + +struct pei_data; +void mainboard_fill_spd_data(struct pei_data *pei_data); + +#endif -- cgit v1.2.3