diff options
Diffstat (limited to 'src/mainboard/google/octopus/variants/dood/variant.c')
-rw-r--r-- | src/mainboard/google/octopus/variants/dood/variant.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/mainboard/google/octopus/variants/dood/variant.c b/src/mainboard/google/octopus/variants/dood/variant.c new file mode 100644 index 0000000000..7116061019 --- /dev/null +++ b/src/mainboard/google/octopus/variants/dood/variant.c @@ -0,0 +1,71 @@ +/* + * 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 <sar.h> +#include <baseboard/variants.h> +#include <delay.h> +#include <gpio.h> + +enum { + SKU_1_LTE = 1, /* Wifi + LTE */ + SKU_2_WIFI = 2, /* Wifi */ +}; + +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); + } +} + + +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_1_LTE: + power_off_lte_module(slp_typ); + return; + default: + return; + } +} |