| /* 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, |
| }; |