/* SPDX-License-Identifier: GPL-2.0-or-later */ #include <acpi/acpi.h> #include <acpi/acpigen.h> #include <baseboard/variants.h> #include <console/console.h> #include <device/device.h> #include <drivers/tpm/cr50.h> #include <ec/ec.h> #include <security/tpm/tss.h> #include <soc/soc_chip.h> #include <vb2_api.h> static void mainboard_update_soc_chip_config(void) { struct soc_intel_jasperlake_config *cfg = config_of_soc(); int ret; ret = tlcl_lib_init(); if (ret != VB2_SUCCESS) { printk(BIOS_ERR, "tlcl_lib_init() failed: 0x%x\n", ret); return; } if (!cr50_is_long_interrupt_pulse_enabled()) { /* Disable GPIO PM to allow for shorter IRQ pulses */ printk(BIOS_INFO, "Override GPIO PM\n"); cfg->gpio_override_pm = 1; memset(cfg->gpio_pm, 0, sizeof(cfg->gpio_pm)); } } static void mainboard_init(void *chip_info) { const struct pad_config *base_pads; const struct pad_config *override_pads; size_t base_num, override_num; base_pads = baseboard_gpio_table(&base_num); override_pads = variant_override_gpio_table(&override_num); gpio_configure_pads_with_override(base_pads, base_num, override_pads, override_num); variant_devtree_update(); if (CONFIG(BOARD_GOOGLE_BASEBOARD_DEDEDE_CR50)) mainboard_update_soc_chip_config(); } void __weak variant_devtree_update(void) { /* Override dev tree settings per board */ } static void mainboard_dev_init(struct device *dev) { mainboard_ec_init(); } static unsigned long mainboard_write_acpi_tables( const struct device *device, unsigned long current, acpi_rsdp_t *rsdp) { return current; } static void mainboard_generate_s0ix_hook(void) { acpigen_write_if_lequal_op_int(ARG0_OP, 1); variant_generate_s0ix_hook(S0IX_ENTRY); acpigen_write_else(); variant_generate_s0ix_hook(S0IX_EXIT); acpigen_write_if_end(); } static void mainboard_fill_ssdt(const struct device *dev) { acpigen_write_scope("\\_SB"); acpigen_write_method_serialized("MS0X", 1); mainboard_generate_s0ix_hook(); acpigen_write_method_end(); /* Method */ acpigen_write_scope_end(); /* Scope */ } void __weak variant_generate_s0ix_hook(enum s0ix_entry entry) { /* Add board-specific MS0X entries */ /* if (s0ix_entry == S0IX_ENTRY) { implement variant operations here } if (s0ix_entry == S0IX_EXIT) { implement variant operations here } */ } static void mainboard_enable(struct device *dev) { dev->ops->init = mainboard_dev_init; dev->ops->write_acpi_tables = mainboard_write_acpi_tables; dev->ops->acpi_fill_ssdt = mainboard_fill_ssdt; } struct chip_operations mainboard_ops = { .init = mainboard_init, .enable_dev = mainboard_enable, };