91fa9d7696
Add a header file to provide common declarations that the mainboards can use regarding EC init. BUG=chrome-os-partner:56677 Change-Id: Iaa0b37eff4de644e969a18364713b90b7f27fa1c Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/16734 Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-by: Matt DeVillier <matt.devillier@gmail.com> Tested-by: build bot (Jenkins)
71 lines
1.8 KiB
C
71 lines
1.8 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright 2016 Google Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <arch/acpi.h>
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#include <console/console.h>
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#include <ec/ec.h>
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#include <ec/google/chromeec/ec.h>
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#include <rules.h>
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#include <soc/lpc.h>
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#include <variant/ec.h>
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static void ramstage_ec_init(void)
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{
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printk(BIOS_ERR, "mainboard: EC init\n");
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if (acpi_is_wakeup_s3()) {
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google_chromeec_log_events(MAINBOARD_EC_LOG_EVENTS |
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MAINBOARD_EC_S3_WAKE_EVENTS);
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/* Disable SMI and wake events */
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google_chromeec_set_smi_mask(0);
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/* Clear pending events */
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while (google_chromeec_get_event() != 0)
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;
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/* Restore SCI event mask */
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google_chromeec_set_sci_mask(MAINBOARD_EC_SCI_EVENTS);
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} else {
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google_chromeec_log_events(MAINBOARD_EC_LOG_EVENTS |
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MAINBOARD_EC_S5_WAKE_EVENTS);
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}
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/* Clear wake event mask */
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google_chromeec_set_wake_mask(0);
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}
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static void bootblock_ec_init(void)
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{
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uint16_t ec_ioport_base;
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size_t ec_ioport_size;
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/*
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* Set up LPC decoding for the ChromeEC I/O port ranges:
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* - Ports 62/66, 60/64, and 200->208
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* - ChromeEC specific communication I/O ports.
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*/
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lpc_enable_fixed_io_ranges(IOE_EC_62_66 | IOE_KBC_60_64 | IOE_LGE_200);
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google_chromeec_ioport_range(&ec_ioport_base, &ec_ioport_size);
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lpc_open_pmio_window(ec_ioport_base, ec_ioport_size);
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}
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void mainboard_ec_init(void)
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{
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if (ENV_RAMSTAGE)
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ramstage_ec_init();
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else if (ENV_BOOTBLOCK)
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bootblock_ec_init();
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}
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