| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| |
| #include <acpi/acpigen.h> |
| #include <baseboard/gpio.h> |
| #include <baseboard/variants.h> |
| #include <device/device.h> |
| #include <drivers/tpm/cr50.h> |
| #include <drivers/wwan/fm/chip.h> |
| #include <ec/ec.h> |
| #include <fw_config.h> |
| #include <security/tpm/tss.h> |
| #include <soc/gpio.h> |
| #include <soc/ramstage.h> |
| #include <stdio.h> |
| |
| WEAK_DEV_PTR(rp6_wwan); |
| WEAK_DEV_PTR(dgpu); |
| |
| static void add_fw_config_oem_string(const struct fw_config *config, void *arg) |
| { |
| struct smbios_type11 *t; |
| char buffer[64]; |
| |
| t = (struct smbios_type11 *)arg; |
| |
| snprintf(buffer, sizeof(buffer), "%s-%s", config->field_name, config->option_name); |
| t->count = smbios_add_string(t->eos, buffer); |
| } |
| |
| static void mainboard_smbios_strings(struct device *dev, struct smbios_type11 *t) |
| { |
| fw_config_for_each_found(add_fw_config_oem_string, t); |
| } |
| |
| void mainboard_update_soc_chip_config(struct soc_intel_alderlake_config *config) |
| { |
| tpm_result_t rc; |
| |
| rc = tlcl_lib_init(); |
| if (rc != TPM_SUCCESS) { |
| printk(BIOS_ERR, "tlcl_lib_init() failed: %#x\n", rc); |
| return; |
| } |
| |
| if (cr50_is_long_interrupt_pulse_enabled()) { |
| printk(BIOS_INFO, "Enabling GPIO PM b/c CR50 has long IRQ pulse support\n"); |
| config->gpio_override_pm = 0; |
| } else { |
| printk(BIOS_INFO, "Disabling GPIO PM b/c CR50 does not have long IRQ pulse " |
| "support\n"); |
| config->gpio_override_pm = 1; |
| config->gpio_pm[COMM_0] = 0; |
| config->gpio_pm[COMM_1] = 0; |
| config->gpio_pm[COMM_2] = 0; |
| config->gpio_pm[COMM_3] = 0; |
| config->gpio_pm[COMM_4] = 0; |
| config->gpio_pm[COMM_5] = 0; |
| } |
| |
| variant_update_soc_chip_config(config); |
| } |
| |
| void __weak variant_update_soc_chip_config(struct soc_intel_alderlake_config *config) |
| { |
| /* default implementation does nothing */ |
| } |
| |
| void __weak variant_init(void) |
| { |
| /* default implementation does nothing */ |
| } |
| |
| void __weak fw_config_gpio_padbased_override(struct pad_config *padbased_table) |
| { |
| /* default implementation does nothing */ |
| } |
| |
| void __weak variant_configure_pads(void) |
| { |
| const struct pad_config *base_pads; |
| const struct pad_config *override_pads; |
| size_t base_num, override_num; |
| |
| base_pads = variant_gpio_table(&base_num); |
| override_pads = variant_gpio_override_table(&override_num); |
| gpio_configure_pads_with_override(base_pads, base_num, override_pads, override_num); |
| } |
| |
| static void mainboard_init(void *chip_info) |
| { |
| variant_configure_pads(); |
| variant_init(); |
| variant_devtree_update(); |
| } |
| |
| void __weak variant_devtree_update(void) |
| { |
| /* Override dev tree settings per board */ |
| } |
| |
| static void mainboard_dev_init(struct device *dev) |
| { |
| mainboard_ec_init(); |
| } |
| |
| static void mainboard_generate_wwan_shutdown(const struct device *dev) |
| { |
| const struct drivers_wwan_fm_config *config = config_of(dev); |
| const struct device *parent = dev->upstream->dev; |
| |
| if (!config) |
| return; |
| if (config->rtd3dev) { |
| acpigen_write_store(); |
| acpigen_emit_namestring(acpi_device_path_join(parent, "RTD3._STA")); |
| acpigen_emit_byte(LOCAL0_OP); |
| acpigen_write_if_lequal_op_int(LOCAL0_OP, ONE_OP); |
| { |
| acpigen_emit_namestring(acpi_device_path_join(dev, "DPTS")); |
| acpigen_emit_byte(ARG0_OP); |
| } |
| acpigen_write_if_end(); |
| } |
| } |
| |
| static void mainboard_generate_dgpu_shutdown(const struct device *dev) |
| { |
| /* Call `_OFF` from the Power Resource associated with the dGPU's PEG port. */ |
| const struct device *parent = dev->upstream->dev; |
| |
| if (parent) |
| acpigen_emit_namestring(acpi_device_path_join(parent, "PGPR._OFF")); |
| } |
| |
| static void mainboard_generate_mpts(void) |
| { |
| const struct device *wwan = DEV_PTR(rp6_wwan); |
| const struct device *dgpu = DEV_PTR(dgpu); |
| |
| /* |
| * If HAVE_WWAN_POWER_SEQUENCE is selected, MPTS will be added to the |
| * DSDT via wwan_power.asl. We can't add MPTS to the SSDT as well, |
| * since the duplicate definition will result in a kernel error. |
| * |
| * This special case can be removed in the future if the power-off |
| * sequences for all WWAN devices used on brya are moved to the SSDT. |
| */ |
| if (CONFIG(HAVE_WWAN_POWER_SEQUENCE)) { |
| if (wwan || dgpu) |
| printk(BIOS_ERR, "Skip adding duplicate MPTS entry to SSDT\n"); |
| return; |
| } |
| |
| acpigen_write_scope("\\_SB"); |
| acpigen_write_method_serialized("MPTS", 1); |
| if (wwan) |
| mainboard_generate_wwan_shutdown(wwan); |
| if (dgpu) |
| mainboard_generate_dgpu_shutdown(dgpu); |
| |
| acpigen_write_method_end(); /* Method */ |
| acpigen_write_scope_end(); /* Scope */ |
| } |
| |
| static void mainboard_generate_s0ix_hook(void) |
| { |
| acpigen_write_if_lequal_op_int(ARG0_OP, 1); |
| { |
| if (CONFIG(HAVE_SLP_S0_GATE)) |
| acpigen_soc_clear_tx_gpio(GPIO_SLP_S0_GATE); |
| variant_generate_s0ix_hook(S0IX_ENTRY); |
| } |
| acpigen_write_else(); |
| { |
| if (CONFIG(HAVE_SLP_S0_GATE)) |
| acpigen_soc_set_tx_gpio(GPIO_SLP_S0_GATE); |
| variant_generate_s0ix_hook(S0IX_EXIT); |
| } |
| acpigen_write_if_end(); |
| } |
| |
| static void mainboard_fill_ssdt(const struct device *dev) |
| { |
| mainboard_generate_mpts(); |
| |
| /* for variant to fill additional SSDT */ |
| variant_fill_ssdt(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_fill_ssdt(const struct device *dev) |
| { |
| /* Add board-specific SSDT entries */ |
| } |
| |
| 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->get_smbios_strings = mainboard_smbios_strings; |
| dev->ops->acpi_fill_ssdt = mainboard_fill_ssdt; |
| } |
| |
| |
| void __weak variant_finalize(void) |
| { |
| } |
| |
| static void mainboard_final(void *chip_info) |
| { |
| variant_finalize(); |
| } |
| |
| struct chip_operations mainboard_ops = { |
| .init = mainboard_init, |
| .enable_dev = mainboard_enable, |
| .final = mainboard_final, |
| }; |