82fb12ccec
Change-Id: I7c6f47f03f1c83658f4364f81f6436d7b2f4f377 Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/c/coreboot/+/41486 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com>
87 lines
2.0 KiB
C
87 lines
2.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <acpi/acpi.h>
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#include <bootmode.h>
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#include <types.h>
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#include <console/console.h>
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#include <cpu/x86/smm.h>
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#include <ec/quanta/it8518/ec.h>
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#include <device/device.h>
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#include <southbridge/intel/bd82x6x/pch.h>
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#include <southbridge/intel/common/pmbase.h>
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#include "ec.h"
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void stout_ec_init(void)
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{
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printk(BIOS_DEBUG,"%s: EC FW version %x%x\n", __func__,
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ec_read(EC_FW_VER), ec_read(EC_FW_VER + 1));
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/*
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* Important: get_recovery_mode_switch() must be called in EC init.
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*/
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get_recovery_mode_switch();
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/* Unmute */
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ec_kbc_write_cmd(EC_KBD_CMD_UNMUTE);
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/*
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* Set USB Power off in S3 (enabled in S3 path if requested in gnvs)
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* Bit0 of 0x0D/Bit0 of 0x26
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* 0/0 All USB port off
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* 1/0 USB on, all USB port didn't support wake up
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* 0/1 USB on, yellow port support wake up charge, but may not support
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* charge smart phone.
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* 1/1 USB on, yellow port in AUTO mode and didn't support wake up system.
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*/
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ec_write(EC_PERIPH_CNTL_3, ec_read(EC_PERIPH_CNTL_3) & 0xE);
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ec_write(EC_USB_S3_EN, ec_read(EC_USB_S3_EN) & 0xE);
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// TODO: Power Limit Setting
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}
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void stout_ec_finalize_smm(void)
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{
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u8 ec_reg, critical_shutdown = 0;
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/*
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* Check EC for error conditions.
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*/
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/* Fan Error : Peripheral Status 3 (0x35) bit 4 */
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ec_reg = ec_read(EC_PERIPH_STAT_3);
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if (ec_reg & 0x8) {
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printk(BIOS_ERR, " EC Fan Error\n");
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critical_shutdown = 1;
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}
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/* Thermal Device Error : Peripheral Status 3 (0x35) bit 8 */
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if (ec_reg & 0x80) {
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printk(BIOS_ERR, " EC Thermal Device Error\n");
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critical_shutdown = 1;
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}
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/* Critical Battery Error */
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ec_reg = ec_read(EC_MBAT_STATUS);
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if ((ec_reg & 0xCF) == 0xC0) {
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printk(BIOS_ERR, " EC Critical Battery Error\n");
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critical_shutdown = 1;
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}
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if ((ec_reg & 0x8F) == 0x8F) {
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printk(BIOS_ERR, " EC Read Battery Error\n");
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}
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if (critical_shutdown) {
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printk(BIOS_ERR, "EC critical_shutdown");
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/* Go to S5 */
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write_pmbase32(PM1_CNT, read_pmbase32(PM1_CNT) | (0xf << 10));
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}
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}
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