| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright 2019 Google LLC |
| * |
| * 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 <arch/acpi.h> |
| #include <boardid.h> |
| #include <ec/google/chromeec/ec.h> |
| #include <drivers/intel/gma/opregion.h> |
| #include <baseboard/variants.h> |
| #include <delay.h> |
| #include <gpio.h> |
| |
| enum { |
| SKU_1_2A2C = 1, |
| SKU_9_HDMI = 9, |
| SKU_17_LTE = 17, |
| SKU_18_LTE_TS = 18, |
| SKU_37_2A2C_360 = 37, |
| }; |
| |
| struct gpio_with_delay { |
| gpio_t gpio; |
| unsigned int delay_msecs; |
| }; |
| |
| static void power_off_lte_module(u8 slp_typ) |
| { |
| const struct gpio_with_delay lte_power_off_gpios[] = { |
| { |
| GPIO_161, /* AVS_I2S1_MCLK -- PLT_RST_LTE_L */ |
| 30, |
| }, |
| { |
| GPIO_117, /* PCIE_WAKE1_B -- FULL_CARD_POWER_OFF */ |
| 100 |
| }, |
| { |
| GPIO_67, /* UART2-CTS_B -- EN_PP3300_DX_LTE_SOC */ |
| 0 |
| } |
| }; |
| |
| for (int i = 0; i < ARRAY_SIZE(lte_power_off_gpios); i++) { |
| gpio_output(lte_power_off_gpios[i].gpio, 0); |
| mdelay(lte_power_off_gpios[i].delay_msecs); |
| } |
| } |
| |
| const char *mainboard_vbt_filename(void) |
| { |
| uint32_t sku_id; |
| |
| sku_id = get_board_sku(); |
| |
| switch (sku_id) { |
| case SKU_9_HDMI: |
| return "vbt_garg_hdmi.bin"; |
| default: |
| return "vbt.bin"; |
| } |
| } |
| |
| void variant_smi_sleep(u8 slp_typ) |
| { |
| /* Currently use cases here all target to S5 therefore we do early return |
| * here for saving one transaction to the EC for getting SKU ID. */ |
| if (slp_typ != ACPI_S5) |
| return; |
| |
| switch (get_board_sku()) { |
| case SKU_17_LTE: |
| case SKU_18_LTE_TS: |
| power_off_lte_module(slp_typ); |
| return; |
| default: |
| return; |
| } |
| } |