diff options
author | Matt DeVillier <matt.devillier@gmail.com> | 2016-06-02 17:58:18 -0500 |
---|---|---|
committer | Patrick Georgi <pgeorgi@google.com> | 2016-09-21 13:59:55 +0200 |
commit | 1ba34323010f075e21ed11d9cf2c97e688441676 (patch) | |
tree | 12d98710a605745690c58f4adf3635fef5e6bcf0 /src/mainboard/google/enguarde/ec.c | |
parent | 776498ac7ec537bab2a65101fd9640c1a7679f51 (diff) | |
download | coreboot-1ba34323010f075e21ed11d9cf2c97e688441676.tar.xz |
google/enguarde: Upstream Lenovo N21 Chromebook
Migrate google/enguarde (Lenovo N21 Chromebook) from Chromium tree to
upstream, using google/rambi as a reference.
original source:
branch firmware-enguarde-5216.201.B
commit cf1f57b [Enguarde: Adjust rx delay for norm.]
TEST=built and booted Linux on enguarde with full functionality
blobs required for working image:
VGA BIOS (vgabios.bin)
firmware descriptor (ifd.bin)
Intel ME firmware (me.bin)
MRC (mrc.elf)
external reference code (refcode.elf)
Change-Id: I3ccda29d1e095d8b1b36766cda913172f72233a7
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/15444
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Diffstat (limited to 'src/mainboard/google/enguarde/ec.c')
-rw-r--r-- | src/mainboard/google/enguarde/ec.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/mainboard/google/enguarde/ec.c b/src/mainboard/google/enguarde/ec.c new file mode 100644 index 0000000000..33c8d24dd8 --- /dev/null +++ b/src/mainboard/google/enguarde/ec.c @@ -0,0 +1,48 @@ +/* + * 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/acpi.h> +#include <types.h> +#include <console/console.h> +#include <ec/google/chromeec/ec.h> +#include "ec.h" + +void mainboard_ec_init(void) +{ + printk(BIOS_DEBUG, "mainboard_ec_init\n"); + post_code(0xf0); + + /* Restore SCI event mask on resume. */ + if (acpi_is_wakeup_s3()) { + google_chromeec_log_events(MAINBOARD_EC_LOG_EVENTS | + MAINBOARD_EC_S3_WAKE_EVENTS); + + /* Disable SMI and wake events */ + google_chromeec_set_smi_mask(0); + + /* Clear pending events */ + while (google_chromeec_get_event() != 0); + google_chromeec_set_sci_mask(MAINBOARD_EC_SCI_EVENTS); + } else { + google_chromeec_log_events(MAINBOARD_EC_LOG_EVENTS | + MAINBOARD_EC_S5_WAKE_EVENTS); + google_chromeec_set_smi_mask(MAINBOARD_EC_SMI_EVENTS); + } + + /* Clear wake events, these are enabled on entry to sleep */ + google_chromeec_set_wake_mask(0); + + post_code(0xf1); +} |