From 422bf6b47226d68005003c17753fd30685e244c6 Mon Sep 17 00:00:00 2001 From: Georg Wicherski Date: Thu, 15 Oct 2015 12:58:04 +0200 Subject: mainboards/google/auron_paine: add new port Add a port of Auron_Paine based on upstream Auron and the Auron_Paine code originally from commit bd61dfd in Google branch firmware-paine-6301.58.B . Change-Id: I3a1faec3195a81bb3a6496b8bd610fc8a89e66aa Signed-off-by: Georg Wicherski Reviewed-on: https://review.coreboot.org/11907 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth --- src/mainboard/google/auron_paine/smihandler.c | 133 ++++++++++++++++++++++++++ 1 file changed, 133 insertions(+) create mode 100644 src/mainboard/google/auron_paine/smihandler.c (limited to 'src/mainboard/google/auron_paine/smihandler.c') diff --git a/src/mainboard/google/auron_paine/smihandler.c b/src/mainboard/google/auron_paine/smihandler.c new file mode 100644 index 0000000000..d68c87a1ab --- /dev/null +++ b/src/mainboard/google/auron_paine/smihandler.c @@ -0,0 +1,133 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2008-2009 coresystems GmbH + * Copyright 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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "ec.h" + +/* Codec enable: GPIO45 */ +#define GPIO_PP3300_CODEC_EN 45 +/* WLAN / BT enable: GPIO46 */ +#define GPIO_WLAN_DISABLE_L 46 + + +static u8 mainboard_smi_ec(void) +{ + u8 cmd = google_chromeec_get_event(); + u32 pm1_cnt; + +#if 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(ACPI_BASE_ADDRESS + PM1_CNT); + pm1_cnt |= (0xf << 10); + outl(pm1_cnt, ACPI_BASE_ADDRESS + PM1_CNT); + break; + } + + return cmd; +} + +/* gpi_sts is GPIO 47:32 */ +void mainboard_smi_gpi(u32 gpi_sts) +{ + if (gpi_sts & (1 << (EC_SMI_GPI - 32))) { + /* Process all pending events */ + while (mainboard_smi_ec() != 0) + ; + } +} + +void mainboard_smi_sleep(u8 slp_typ) +{ + /* 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); + } + + set_gpio(GPIO_PP3300_CODEC_EN, 0); + + /* 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); + } + + set_gpio(GPIO_PP3300_CODEC_EN, 0); + set_gpio(GPIO_WLAN_DISABLE_L, 0); + + /* 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) + ; +} + +int mainboard_smi_apmc(u8 apmc) +{ + 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; + } + return 0; +} -- cgit v1.2.3