Angel Pons | 58c0d32 | 2020-04-05 13:20:46 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
Marc Jones | 07cf24c | 2015-06-09 14:42:55 -0600 | [diff] [blame] | 2 | |
Furquan Shaikh | 76cedd2 | 2020-05-02 10:24:23 -0700 | [diff] [blame] | 3 | #include <acpi/acpi.h> |
Marc Jones | 07cf24c | 2015-06-09 14:42:55 -0600 | [diff] [blame] | 4 | #include <console/console.h> |
| 5 | #include <cpu/x86/smm.h> |
Marc Jones | d862121 | 2015-06-09 21:18:38 -0600 | [diff] [blame] | 6 | #include <soc/pm.h> |
Marc Jones | 07cf24c | 2015-06-09 14:42:55 -0600 | [diff] [blame] | 7 | #include <ec/google/chromeec/ec.h> |
Kyösti Mälkki | 923b8ec | 2022-11-29 07:36:44 +0200 | [diff] [blame] | 8 | #include <ec/google/chromeec/smm.h> |
Angel Pons | 52e48b5 | 2021-01-28 17:03:19 +0100 | [diff] [blame] | 9 | #include <southbridge/intel/lynxpoint/lp_gpio.h> |
Marc Jones | d862121 | 2015-06-09 21:18:38 -0600 | [diff] [blame] | 10 | #include <soc/iomap.h> |
Marc Jones | 07cf24c | 2015-06-09 14:42:55 -0600 | [diff] [blame] | 11 | #include "ec.h" |
Matt DeVillier | 45e11aa | 2016-12-18 11:59:58 -0600 | [diff] [blame] | 12 | #include <variant/onboard.h> |
Marc Jones | d862121 | 2015-06-09 21:18:38 -0600 | [diff] [blame] | 13 | |
Marc Jones | 07cf24c | 2015-06-09 14:42:55 -0600 | [diff] [blame] | 14 | /* gpi_sts is GPIO 47:32 */ |
| 15 | void mainboard_smi_gpi(u32 gpi_sts) |
| 16 | { |
Kyösti Mälkki | 83faa5d | 2023-01-05 15:39:16 +0200 | [diff] [blame] | 17 | if (gpi_sts & (1 << (EC_SMI_GPI - 32))) |
| 18 | chromeec_smi_process_events(); |
Marc Jones | 07cf24c | 2015-06-09 14:42:55 -0600 | [diff] [blame] | 19 | } |
| 20 | |
Matt DeVillier | 45e11aa | 2016-12-18 11:59:58 -0600 | [diff] [blame] | 21 | static void mainboard_disable_gpios(void) |
| 22 | { |
Julius Werner | cd49cce | 2019-03-05 16:53:33 -0800 | [diff] [blame] | 23 | #if CONFIG(BOARD_GOOGLE_SAMUS) |
Matt DeVillier | 45e11aa | 2016-12-18 11:59:58 -0600 | [diff] [blame] | 24 | /* Put SSD in reset to prevent leak */ |
| 25 | set_gpio(BOARD_SSD_RESET_GPIO, 0); |
| 26 | /* Disable LTE */ |
| 27 | set_gpio(BOARD_LTE_DISABLE_GPIO, 0); |
| 28 | #else |
| 29 | set_gpio(BOARD_PP3300_CODEC_GPIO, 0); |
| 30 | #endif |
| 31 | /* Prevent leak from standby rail to WLAN rail */ |
| 32 | set_gpio(BOARD_WLAN_DISABLE_GPIO, 0); |
| 33 | } |
| 34 | |
Marc Jones | 07cf24c | 2015-06-09 14:42:55 -0600 | [diff] [blame] | 35 | void mainboard_smi_sleep(u8 slp_typ) |
| 36 | { |
| 37 | /* Disable USB charging if required */ |
Kyösti Mälkki | 027f86e | 2022-12-02 15:30:10 +0200 | [diff] [blame] | 38 | /* NOTE: Setting of usb0 _may_ also control usb1 here. */ |
| 39 | chromeec_set_usb_charge_mode(slp_typ); |
| 40 | |
Marc Jones | 07cf24c | 2015-06-09 14:42:55 -0600 | [diff] [blame] | 41 | switch (slp_typ) { |
Aaron Durbin | 30b0c7a | 2016-07-13 13:01:13 -0500 | [diff] [blame] | 42 | case ACPI_S3: |
Aaron Durbin | 30b0c7a | 2016-07-13 13:01:13 -0500 | [diff] [blame] | 43 | case ACPI_S5: |
Matt DeVillier | 45e11aa | 2016-12-18 11:59:58 -0600 | [diff] [blame] | 44 | mainboard_disable_gpios(); |
Marc Jones | 07cf24c | 2015-06-09 14:42:55 -0600 | [diff] [blame] | 45 | break; |
| 46 | } |
| 47 | |
Kyösti Mälkki | af656f9 | 2023-01-05 18:05:11 +0200 | [diff] [blame^] | 48 | chromeec_smi_sleep(slp_typ, MAINBOARD_EC_S3_WAKE_EVENTS, MAINBOARD_EC_S5_WAKE_EVENTS); |
Marc Jones | 07cf24c | 2015-06-09 14:42:55 -0600 | [diff] [blame] | 49 | } |
| 50 | |
Marc Jones | 07cf24c | 2015-06-09 14:42:55 -0600 | [diff] [blame] | 51 | int mainboard_smi_apmc(u8 apmc) |
| 52 | { |
Kyösti Mälkki | 923b8ec | 2022-11-29 07:36:44 +0200 | [diff] [blame] | 53 | chromeec_smi_apmc(apmc, MAINBOARD_EC_SCI_EVENTS, MAINBOARD_EC_SMI_EVENTS); |
Marc Jones | 07cf24c | 2015-06-09 14:42:55 -0600 | [diff] [blame] | 54 | return 0; |
| 55 | } |