Stefan Reinauer | b7ecf6d | 2013-03-13 17:13:32 -0700 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2012 The Chromium OS Authors. All rights reserved. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; version 2 of the License. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
Stefan Reinauer | b7ecf6d | 2013-03-13 17:13:32 -0700 | [diff] [blame] | 14 | */ |
| 15 | |
| 16 | #include <arch/acpi.h> |
| 17 | #include <arch/io.h> |
Kyösti Mälkki | 926a8d1 | 2014-04-27 22:17:22 +0300 | [diff] [blame] | 18 | #include <bootmode.h> |
Stefan Reinauer | b7ecf6d | 2013-03-13 17:13:32 -0700 | [diff] [blame] | 19 | #include <types.h> |
| 20 | #include <console/console.h> |
| 21 | #include <ec/quanta/it8518/ec.h> |
| 22 | #include <device/device.h> |
| 23 | #include <device/pci.h> |
| 24 | #include <southbridge/intel/bd82x6x/pch.h> |
| 25 | #include <elog.h> |
| 26 | #include "ec.h" |
| 27 | |
| 28 | #ifdef __SMM__ |
| 29 | #include <cpu/x86/smm.h> |
| 30 | #endif |
| 31 | |
| 32 | #ifndef __SMM__ |
| 33 | void stout_ec_init(void) |
| 34 | { |
| 35 | |
| 36 | printk(BIOS_DEBUG,"%s: EC FW version %x%x\n", __func__, |
| 37 | ec_read(EC_FW_VER), ec_read(EC_FW_VER + 1)); |
| 38 | |
| 39 | /* |
| 40 | * Important: get_recovery_mode_switch() must be called in EC init. |
| 41 | */ |
Kyösti Mälkki | 926a8d1 | 2014-04-27 22:17:22 +0300 | [diff] [blame] | 42 | if (IS_ENABLED(CONFIG_BOOTMODE_STRAPS)) |
| 43 | get_recovery_mode_switch(); |
Stefan Reinauer | b7ecf6d | 2013-03-13 17:13:32 -0700 | [diff] [blame] | 44 | |
| 45 | /* Unmute */ |
| 46 | ec_kbc_write_cmd(EC_KBD_CMD_UNMUTE); |
| 47 | |
| 48 | /* |
| 49 | * Set USB Power off in S3 (enabled in S3 path if requested in gnvs) |
| 50 | * Bit0 of 0x0D/Bit0 of 0x26 |
| 51 | * 0/0 All USB port off |
| 52 | * 1/0 USB on, all USB port didn’t support wake up |
| 53 | * 0/1 USB on, yellow port support wake up charge, but may not support |
| 54 | * charge smart phone. |
| 55 | * 1/1 USB on, yellow port in AUTO mode and didn’t support wake up system. |
| 56 | */ |
| 57 | ec_write(EC_PERIPH_CNTL_3, ec_read(EC_PERIPH_CNTL_3) & 0xE); |
| 58 | ec_write(EC_USB_S3_EN, ec_read(EC_USB_S3_EN) & 0xE); |
| 59 | |
| 60 | // TODO: Power Limit Setting |
| 61 | } |
| 62 | |
| 63 | #else // SMM |
| 64 | |
| 65 | void stout_ec_finalize_smm(void) |
| 66 | { |
| 67 | u8 ec_reg, critical_shutdown = 0; |
| 68 | u32 pm1_cnt; |
| 69 | |
| 70 | /* |
| 71 | * Check EC for error conditions. |
| 72 | */ |
| 73 | |
| 74 | /* Fan Error : Peripheral Status 3 (0x35) bit 4 */ |
| 75 | ec_reg = ec_read(EC_PERIPH_STAT_3); |
| 76 | |
| 77 | if (ec_reg & 0x8) { |
| 78 | printk(BIOS_ERR, " EC Fan Error\n"); |
| 79 | critical_shutdown = 1; |
Patrick Georgi | 7605a5a | 2015-07-31 17:18:16 +0200 | [diff] [blame] | 80 | #if CONFIG_ELOG_GSMI |
Stefan Reinauer | b7ecf6d | 2013-03-13 17:13:32 -0700 | [diff] [blame] | 81 | elog_add_event_word(EC_EVENT_BATTERY_CRITICAL, EC_EVENT_FAN_ERROR); |
| 82 | #endif |
| 83 | } |
| 84 | |
| 85 | |
| 86 | /* Thermal Device Error : Peripheral Status 3 (0x35) bit 8 */ |
| 87 | if (ec_reg & 0x80) { |
| 88 | printk(BIOS_ERR, " EC Thermal Device Error\n"); |
| 89 | critical_shutdown = 1; |
Patrick Georgi | 7605a5a | 2015-07-31 17:18:16 +0200 | [diff] [blame] | 90 | #if CONFIG_ELOG_GSMI |
Stefan Reinauer | b7ecf6d | 2013-03-13 17:13:32 -0700 | [diff] [blame] | 91 | elog_add_event_word(EC_EVENT_BATTERY_CRITICAL, EC_EVENT_THERMAL); |
| 92 | #endif |
| 93 | } |
| 94 | |
| 95 | |
| 96 | /* Critical Battery Error */ |
| 97 | ec_reg = ec_read(EC_MBAT_STATUS); |
| 98 | |
| 99 | if ((ec_reg & 0xCF) == 0xC0) { |
| 100 | printk(BIOS_ERR, " EC Critical Battery Error\n"); |
| 101 | critical_shutdown = 1; |
Patrick Georgi | 7605a5a | 2015-07-31 17:18:16 +0200 | [diff] [blame] | 102 | #if CONFIG_ELOG_GSMI |
Stefan Reinauer | b7ecf6d | 2013-03-13 17:13:32 -0700 | [diff] [blame] | 103 | elog_add_event_word(ELOG_TYPE_EC_EVENT, EC_EVENT_BATTERY_CRITICAL); |
| 104 | #endif |
| 105 | } |
| 106 | |
| 107 | if ((ec_reg & 0x8F) == 0x8F) { |
| 108 | printk(BIOS_ERR, " EC Read Battery Error\n"); |
Patrick Georgi | 7605a5a | 2015-07-31 17:18:16 +0200 | [diff] [blame] | 109 | #if CONFIG_ELOG_GSMI |
Stefan Reinauer | b7ecf6d | 2013-03-13 17:13:32 -0700 | [diff] [blame] | 110 | elog_add_event_word(ELOG_TYPE_EC_EVENT, EC_EVENT_BATTERY); |
| 111 | #endif |
| 112 | } |
| 113 | |
| 114 | |
| 115 | if (critical_shutdown) { |
| 116 | printk(BIOS_ERR, "EC critical_shutdown"); |
| 117 | |
| 118 | /* Go to S5 */ |
| 119 | pm1_cnt = inl(smm_get_pmbase() + PM1_CNT); |
| 120 | pm1_cnt |= (0xf << 10); |
| 121 | outl(pm1_cnt, smm_get_pmbase() + PM1_CNT); |
| 122 | } |
| 123 | } |
| 124 | #endif //__SMM__ |