From c42104189bfe3a192c5f1e4b761d7789abee95b3 Mon Sep 17 00:00:00 2001 From: Lee Leahy Date: Mon, 29 Jun 2015 11:37:56 -0700 Subject: mainboard/intel: Add Skylake based Kunimitsu board Initial files to support the Kunimitsu board. Matches chromium tree at 927026db This board uses the Skylake FSP 1.1 image and does not build without the FspUpdVpd.h file. BRANCH=none BUG=None TEST=Build and run ChromeOS on kunimitsu Change-Id: I1017a66bc811af51a0921e864b589ce2cb618082 Signed-off-by: Lee Leahy Reviewed-on: http://review.coreboot.org/10836 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer --- src/mainboard/intel/kunimitsu/smihandler.c | 147 +++++++++++++++++++++++++++++ 1 file changed, 147 insertions(+) create mode 100644 src/mainboard/intel/kunimitsu/smihandler.c (limited to 'src/mainboard/intel/kunimitsu/smihandler.c') diff --git a/src/mainboard/intel/kunimitsu/smihandler.c b/src/mainboard/intel/kunimitsu/smihandler.c new file mode 100644 index 0000000000..921467d3ff --- /dev/null +++ b/src/mainboard/intel/kunimitsu/smihandler.c @@ -0,0 +1,147 @@ +/* + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "ec.h" + +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. + */ + return 1; +} + +static u8 mainboard_smi_ec(void) +{ + u8 cmd = 0; +#if IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC) + u32 pm1_cnt; + cmd = google_chromeec_get_event(); + + /* Log this event */ + if (IS_ENABLED(CONFIG_ELOG_GSMI) && cmd) + elog_add_event_byte(ELOG_TYPE_EC_EVENT, cmd); + + switch (cmd) { + case EC_HOST_EVENT_LID_CLOSED: + printk(BIOS_DEBUG, "LID CLOSED, SHUTDOWN\n"); + + /* Go to S5 */ + pm1_cnt = inl(ACPI_BASE_ADDRESS + PM1_CNT); + pm1_cnt |= (0xf << 10); + outl(pm1_cnt, ACPI_BASE_ADDRESS + PM1_CNT); + break; + } +#endif + return cmd; +} + +/* gpi_sts is GPIO 47:32 */ +void mainboard_smi_gpi(u32 gpi_sts) +{ + if (gpi_sts & (1 << EC_SMI_GPI)) { + /* Process all pending events */ + while (mainboard_smi_ec() != 0) + ; + } +} + +void mainboard_smi_sleep(u8 slp_typ) +{ +#if IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC) + /* Disable USB charging if required */ + switch (slp_typ) { + case 3: + if (smm_get_gnvs()->s3u0 == 0) { + google_chromeec_set_usb_charge_mode( + 0, USB_CHARGE_MODE_DISABLED); + google_chromeec_set_usb_charge_mode( + 1, USB_CHARGE_MODE_DISABLED); + } + + /* Enable wake events */ + google_chromeec_set_wake_mask(MAINBOARD_EC_S3_WAKE_EVENTS); + break; + case 5: + if (smm_get_gnvs()->s5u0 == 0) { + google_chromeec_set_usb_charge_mode( + 0, USB_CHARGE_MODE_DISABLED); + google_chromeec_set_usb_charge_mode( + 1, USB_CHARGE_MODE_DISABLED); + } + + /* Enable wake events */ + google_chromeec_set_wake_mask(MAINBOARD_EC_S5_WAKE_EVENTS); + break; + } + + /* 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) + ; +#endif +} + +int mainboard_smi_apmc(u8 apmc) +{ +#if IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC) + switch (apmc) { + case APM_CNT_ACPI_ENABLE: + 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); + break; + case APM_CNT_ACPI_DISABLE: + 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); + break; + } +#endif + return 0; +} -- cgit v1.2.3