Angel Pons | d28443e | 2020-04-05 13:22:44 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
Matt DeVillier | c12e5ae | 2016-11-27 02:19:02 -0600 | [diff] [blame] | 2 | |
Furquan Shaikh | 76cedd2 | 2020-05-02 10:24:23 -0700 | [diff] [blame] | 3 | #include <acpi/acpi.h> |
Matt DeVillier | c12e5ae | 2016-11-27 02:19:02 -0600 | [diff] [blame] | 4 | #include <cpu/x86/smm.h> |
Matt DeVillier | c12e5ae | 2016-11-27 02:19:02 -0600 | [diff] [blame] | 5 | #include <southbridge/intel/lynxpoint/pch.h> |
| 6 | #include <southbridge/intel/common/gpio.h> |
| 7 | #include <southbridge/intel/lynxpoint/me.h> |
| 8 | #include <northbridge/intel/haswell/haswell.h> |
| 9 | #include <cpu/intel/haswell/haswell.h> |
Matt DeVillier | c12e5ae | 2016-11-27 02:19:02 -0600 | [diff] [blame] | 10 | |
| 11 | /* Include EC functions */ |
Kyösti Mälkki | 923b8ec | 2022-11-29 07:36:44 +0200 | [diff] [blame] | 12 | #include <ec/google/chromeec/smm.h> |
Matt DeVillier | c12e5ae | 2016-11-27 02:19:02 -0600 | [diff] [blame] | 13 | #include "ec.h" |
| 14 | |
| 15 | /* Codec enable: GPIO45 */ |
| 16 | #define GPIO_PP3300_CODEC_EN 45 |
| 17 | /* GPIO46 controls the WLAN_DISABLE_L signal. */ |
| 18 | #define GPIO_WLAN_DISABLE_L 46 |
| 19 | #define GPIO_LTE_DISABLE_L 59 |
| 20 | |
Matt DeVillier | c12e5ae | 2016-11-27 02:19:02 -0600 | [diff] [blame] | 21 | /* gpi_sts is GPIO 47:32 */ |
| 22 | void mainboard_smi_gpi(u32 gpi_sts) |
| 23 | { |
Kyösti Mälkki | 83faa5d | 2023-01-05 15:39:16 +0200 | [diff] [blame] | 24 | if (gpi_sts & (1 << (EC_SMI_GPI - 32))) |
| 25 | chromeec_smi_process_events(); |
Matt DeVillier | c12e5ae | 2016-11-27 02:19:02 -0600 | [diff] [blame] | 26 | } |
| 27 | |
| 28 | void mainboard_smi_sleep(u8 slp_typ) |
| 29 | { |
| 30 | /* Disable USB charging if required */ |
Kyösti Mälkki | 027f86e | 2022-12-02 15:30:10 +0200 | [diff] [blame] | 31 | chromeec_set_usb_charge_mode(slp_typ); |
| 32 | |
Matt DeVillier | c12e5ae | 2016-11-27 02:19:02 -0600 | [diff] [blame] | 33 | switch (slp_typ) { |
| 34 | case ACPI_S3: |
Kyösti Mälkki | 28a7d9b | 2023-01-05 18:05:11 +0200 | [diff] [blame] | 35 | case ACPI_S4: |
| 36 | case ACPI_S5: |
| 37 | /* Prevent leak from standby rail to WLAN rail in S3/S4/S5. */ |
Matt DeVillier | c12e5ae | 2016-11-27 02:19:02 -0600 | [diff] [blame] | 38 | set_gpio(GPIO_WLAN_DISABLE_L, 0); |
| 39 | set_gpio(GPIO_PP3300_CODEC_EN, 0); |
| 40 | /* Disable LTE */ |
| 41 | set_gpio(GPIO_LTE_DISABLE_L, 0); |
Kyösti Mälkki | 28a7d9b | 2023-01-05 18:05:11 +0200 | [diff] [blame] | 42 | break; |
| 43 | } |
Matt DeVillier | c12e5ae | 2016-11-27 02:19:02 -0600 | [diff] [blame] | 44 | |
Kyösti Mälkki | 7f4f99d | 2023-01-05 18:12:57 +0200 | [diff] [blame] | 45 | chromeec_smi_sleep(slp_typ, MAINBOARD_EC_S3_WAKE_EVENTS, MAINBOARD_EC_S5_WAKE_EVENTS); |
Matt DeVillier | c12e5ae | 2016-11-27 02:19:02 -0600 | [diff] [blame] | 46 | } |
| 47 | |
Matt DeVillier | c12e5ae | 2016-11-27 02:19:02 -0600 | [diff] [blame] | 48 | int mainboard_smi_apmc(u8 apmc) |
| 49 | { |
Kyösti Mälkki | 923b8ec | 2022-11-29 07:36:44 +0200 | [diff] [blame] | 50 | chromeec_smi_apmc(apmc, MAINBOARD_EC_SCI_EVENTS, MAINBOARD_EC_SMI_EVENTS); |
Matt DeVillier | c12e5ae | 2016-11-27 02:19:02 -0600 | [diff] [blame] | 51 | return 0; |
| 52 | } |