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mainboard/google: Add Braswell based Cyan board

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Add initial files for the cyan board.
Matches chromium tree at 927026db

This board uses the Braswell FSP 1.1 image and does not build
without the FspUpdVpd.h file.

BRANCH=none
BUG=None
Test=Build and run on cyan

Change-Id: I935839be033c25e197e78fbee306104b4162a99a
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: http://review.coreboot.org/10182
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Lee Leahy
2015-05-11 17:24:31 -07:00
committed by Leroy P Leahy
parent c42104189b
commit 89b5fbd534
35 changed files with 2859 additions and 0 deletions
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176
src/mainboard/google/cyan/smihandler.c Normal file
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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2008-2009 coresystems GmbH
* Copyright (C) 2015 Intel Corp.
*
* 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 <arch/io.h>
#include <console/console.h>
#include <cpu/x86/smm.h>
#include "ec.h"
#include <ec/google/chromeec/ec.h>
#include <elog.h>
#include <soc/nvs.h>
#include <soc/pm.h>
#include <soc/gpio.h>
#include "onboard.h"
/* The wake gpio is SUS_GPIO[0]. */
#define WAKE_GPIO_EN SUS_GPIO_EN0
int mainboard_io_trap_handler(int smif)
{
switch (smif) {
case 0x99:
printk(BIOS_DEBUG, "Sample\n");
smm_get_gnvs()->smif = 0;
break;
default:
return 0;
}
/*
* On success, the IO Trap Handler returns 0
* On failure, the IO Trap Handler returns a value != 0
*
* For now, we force the return value to 0 and log all traps to
* see what's going on.
*/
//gnvs->smif = 0;
return 1;
}
#if IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC)
static uint8_t mainboard_smi_ec(void)
{
uint8_t cmd = google_chromeec_get_event();
uint16_t pmbase = get_pmbase();
uint32_t pm1_cnt;
#if IS_ENABLED(CONFIG_ELOG_GSMI)
/* Log this event */
if (cmd)
elog_add_event_byte(ELOG_TYPE_EC_EVENT, cmd);
#endif
switch (cmd) {
case EC_HOST_EVENT_LID_CLOSED:
printk(BIOS_DEBUG, "LID CLOSED, SHUTDOWN\n");
/* Go to S5 */
pm1_cnt = inl(pmbase + PM1_CNT);
pm1_cnt |= SLP_EN | (SLP_TYP_S5 << SLP_TYP_SHIFT);
outl(pm1_cnt, pmbase + PM1_CNT);
break;
}
return cmd;
}
#endif
/*
* The entire 32-bit ALT_GPIO_SMI register is passed as a parameter. Note, that
* this includes the enable bits in the lower 16 bits.
*/
void mainboard_smi_gpi(uint32_t alt_gpio_smi)
{
#if IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC)
if (alt_gpio_smi & (1 << EC_SMI_GPI)) {
/* Process all pending events */
while (mainboard_smi_ec() != 0)
;
}
#endif
}
void mainboard_smi_sleep(uint8_t slp_typ)
{
/* Disable USB charging if required */
switch (slp_typ) {
case 3:
#if IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC)
if (smm_get_gnvs()->s3u0 == 0)
google_chromeec_set_usb_charge_mode(
0, USB_CHARGE_MODE_DISABLED);
if (smm_get_gnvs()->s3u1 == 0)
google_chromeec_set_usb_charge_mode(
1, USB_CHARGE_MODE_DISABLED);
/* Enable wake events */
google_chromeec_set_wake_mask(MAINBOARD_EC_S3_WAKE_EVENTS);
#endif
/* Enable wake pin in GPE block. */
enable_gpe(WAKE_GPIO_EN);
break;
case 5:
#if IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC)
if (smm_get_gnvs()->s5u0 == 0)
google_chromeec_set_usb_charge_mode(
0, USB_CHARGE_MODE_DISABLED);
if (smm_get_gnvs()->s5u1 == 0)
google_chromeec_set_usb_charge_mode(
1, USB_CHARGE_MODE_DISABLED);
/* Enable wake events */
google_chromeec_set_wake_mask(MAINBOARD_EC_S5_WAKE_EVENTS);
#endif
break;
}
#if IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC)
/* Disable SCI and SMI events */
google_chromeec_set_smi_mask(0);
google_chromeec_set_sci_mask(0);
/* Clear pending events that may trigger immediate wake */
while (google_chromeec_get_event() != 0)
;
if (smm_get_gnvs()->bdid == BOARD_PRE_EVT) {
/* Set LPC lines to low power in S3/S5. */
if ((slp_typ == SLEEP_STATE_S3) || (slp_typ == SLEEP_STATE_S5))
lpc_set_low_power();
}
#endif
}
int mainboard_smi_apmc(uint8_t apmc)
{
switch (apmc) {
case APM_CNT_ACPI_ENABLE:
#if IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC)
google_chromeec_set_smi_mask(0);
/* Clear all pending events */
while (google_chromeec_get_event() != 0)
;
google_chromeec_set_sci_mask(MAINBOARD_EC_SCI_EVENTS);
#endif
break;
case APM_CNT_ACPI_DISABLE:
#if IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC)
google_chromeec_set_sci_mask(0);
/* Clear all pending events */
while (google_chromeec_get_event() != 0)
;
google_chromeec_set_smi_mask(MAINBOARD_EC_SMI_EVENTS);
#endif
break;
}
return 0;
}