Eric Lai | 5088682 | 2020-11-26 12:10:39 +0800 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 2 | |
Tim Wawrzynczak | c0d7d6b | 2022-02-08 13:03:25 -0700 | [diff] [blame] | 3 | #include <acpi/acpigen.h> |
Eric Lai | af92d07 | 2022-03-14 15:08:27 +0800 | [diff] [blame^] | 4 | #include <baseboard/gpio.h> |
Eric Lai | 5e053af | 2020-11-26 12:58:10 +0800 | [diff] [blame] | 5 | #include <baseboard/variants.h> |
Eric Lai | 5088682 | 2020-11-26 12:10:39 +0800 | [diff] [blame] | 6 | #include <device/device.h> |
Tim Wawrzynczak | c0d7d6b | 2022-02-08 13:03:25 -0700 | [diff] [blame] | 7 | #include <drivers/tpm/cr50.h> |
| 8 | #include <drivers/wwan/fm/chip.h> |
Eric Lai | 78b6a1b | 2020-11-27 14:11:59 +0800 | [diff] [blame] | 9 | #include <ec/ec.h> |
Sugnan Prabhu S | 061a93f | 2021-07-18 06:32:52 +0530 | [diff] [blame] | 10 | #include <soc/ramstage.h> |
Wisley Chen | b8461aa | 2021-08-25 18:13:59 +0600 | [diff] [blame] | 11 | #include <fw_config.h> |
Tim Wawrzynczak | c0d7d6b | 2022-02-08 13:03:25 -0700 | [diff] [blame] | 12 | #include <security/tpm/tss.h> |
| 13 | #include <soc/gpio.h> |
| 14 | #include <soc/ramstage.h> |
Cliff Huang | 20ee22c | 2022-02-11 18:08:32 -0800 | [diff] [blame] | 15 | |
| 16 | WEAK_DEV_PTR(rp6_wwan); |
Wisley Chen | b8461aa | 2021-08-25 18:13:59 +0600 | [diff] [blame] | 17 | |
| 18 | static void add_fw_config_oem_string(const struct fw_config *config, void *arg) |
| 19 | { |
| 20 | struct smbios_type11 *t; |
| 21 | char buffer[64]; |
| 22 | |
| 23 | t = (struct smbios_type11 *)arg; |
| 24 | |
| 25 | snprintf(buffer, sizeof(buffer), "%s-%s", config->field_name, config->option_name); |
| 26 | t->count = smbios_add_string(t->eos, buffer); |
| 27 | } |
| 28 | |
| 29 | static void mainboard_smbios_strings(struct device *dev, struct smbios_type11 *t) |
| 30 | { |
| 31 | fw_config_for_each_found(add_fw_config_oem_string, t); |
| 32 | } |
Eric Lai | 5088682 | 2020-11-26 12:10:39 +0800 | [diff] [blame] | 33 | |
Sugnan Prabhu S | 061a93f | 2021-07-18 06:32:52 +0530 | [diff] [blame] | 34 | void mainboard_update_soc_chip_config(struct soc_intel_alderlake_config *config) |
| 35 | { |
Tim Wawrzynczak | c0d7d6b | 2022-02-08 13:03:25 -0700 | [diff] [blame] | 36 | int ret; |
| 37 | |
| 38 | ret = tlcl_lib_init(); |
| 39 | if (ret != VB2_SUCCESS) { |
| 40 | printk(BIOS_ERR, "tlcl_lib_init() failed: 0x%x\n", ret); |
| 41 | return; |
| 42 | } |
| 43 | |
| 44 | if (cr50_is_long_interrupt_pulse_enabled()) { |
| 45 | printk(BIOS_INFO, "Enabling GPIO PM b/c CR50 has long IRQ pulse support\n"); |
| 46 | config->gpio_override_pm = 0; |
| 47 | } else { |
| 48 | printk(BIOS_INFO, "Disabling GPIO PM b/c CR50 does not have long IRQ pulse " |
| 49 | "support\n"); |
| 50 | config->gpio_override_pm = 1; |
| 51 | config->gpio_pm[COMM_0] = 0; |
| 52 | config->gpio_pm[COMM_1] = 0; |
| 53 | config->gpio_pm[COMM_2] = 0; |
| 54 | config->gpio_pm[COMM_3] = 0; |
| 55 | config->gpio_pm[COMM_4] = 0; |
| 56 | config->gpio_pm[COMM_5] = 0; |
| 57 | } |
| 58 | |
Sugnan Prabhu S | 061a93f | 2021-07-18 06:32:52 +0530 | [diff] [blame] | 59 | variant_update_soc_chip_config(config); |
| 60 | } |
| 61 | |
| 62 | __weak void variant_update_soc_chip_config(struct soc_intel_alderlake_config *config) |
| 63 | { |
| 64 | /* default implementation does nothing */ |
| 65 | } |
| 66 | |
Eric Lai | 5088682 | 2020-11-26 12:10:39 +0800 | [diff] [blame] | 67 | static void mainboard_init(void *chip_info) |
| 68 | { |
Tim Wawrzynczak | 5fed159 | 2021-06-08 14:44:56 -0600 | [diff] [blame] | 69 | const struct pad_config *base_pads; |
| 70 | const struct pad_config *override_pads; |
| 71 | size_t base_num, override_num; |
| 72 | |
| 73 | base_pads = variant_gpio_table(&base_num); |
| 74 | override_pads = variant_gpio_override_table(&override_num); |
| 75 | gpio_configure_pads_with_override(base_pads, base_num, override_pads, override_num); |
Sumeet Pawnikar | 582829d | 2021-07-23 15:50:17 +0530 | [diff] [blame] | 76 | |
| 77 | variant_devtree_update(); |
| 78 | } |
| 79 | |
| 80 | void __weak variant_devtree_update(void) |
| 81 | { |
| 82 | /* Override dev tree settings per board */ |
Eric Lai | 5088682 | 2020-11-26 12:10:39 +0800 | [diff] [blame] | 83 | } |
| 84 | |
Eric Lai | 78b6a1b | 2020-11-27 14:11:59 +0800 | [diff] [blame] | 85 | static void mainboard_dev_init(struct device *dev) |
| 86 | { |
| 87 | mainboard_ec_init(); |
| 88 | } |
| 89 | |
Cliff Huang | 20ee22c | 2022-02-11 18:08:32 -0800 | [diff] [blame] | 90 | static void mainboard_generate_shutdown(const struct device *dev) |
| 91 | { |
| 92 | const struct drivers_wwan_fm_config *config = config_of(dev); |
| 93 | const struct device *parent = dev->bus->dev; |
| 94 | |
| 95 | if (!config) |
| 96 | return; |
| 97 | if (config->rtd3dev) { |
| 98 | acpigen_write_store(); |
| 99 | acpigen_emit_namestring(acpi_device_path_join(parent, "RTD3._STA")); |
| 100 | acpigen_emit_byte(LOCAL0_OP); |
| 101 | acpigen_write_if_lequal_op_int(LOCAL0_OP, ONE_OP); |
| 102 | { |
| 103 | acpigen_emit_namestring(acpi_device_path_join(dev, "DPTS")); |
| 104 | acpigen_emit_byte(ARG0_OP); |
| 105 | } |
| 106 | acpigen_write_if_end(); |
| 107 | } else { |
| 108 | acpigen_emit_namestring(acpi_device_path_join(dev, "DPTS")); |
| 109 | acpigen_emit_byte(ARG0_OP); |
| 110 | } |
| 111 | } |
| 112 | |
Eric Lai | af92d07 | 2022-03-14 15:08:27 +0800 | [diff] [blame^] | 113 | static void mainboard_generate_s0ix_hook(void) |
| 114 | { |
| 115 | acpigen_write_if_lequal_op_int(ARG0_OP, 1); |
| 116 | { |
| 117 | if (CONFIG(HAVE_SLP_S0_GATE)) |
| 118 | acpigen_soc_clear_tx_gpio(GPIO_SLP_S0_GATE); |
| 119 | variant_generate_s0ix_hook(S0IX_ENTRY); |
| 120 | } |
| 121 | acpigen_write_else(); |
| 122 | { |
| 123 | if (CONFIG(HAVE_SLP_S0_GATE)) |
| 124 | acpigen_soc_set_tx_gpio(GPIO_SLP_S0_GATE); |
| 125 | variant_generate_s0ix_hook(S0IX_EXIT); |
| 126 | } |
| 127 | acpigen_write_if_end(); |
| 128 | } |
| 129 | |
Cliff Huang | 20ee22c | 2022-02-11 18:08:32 -0800 | [diff] [blame] | 130 | static void mainboard_fill_ssdt(const struct device *dev) |
| 131 | { |
| 132 | const struct device *wwan = DEV_PTR(rp6_wwan); |
| 133 | |
| 134 | if (wwan) { |
| 135 | acpigen_write_scope("\\_SB"); |
| 136 | acpigen_write_method_serialized("MPTS", 1); |
| 137 | mainboard_generate_shutdown(wwan); |
| 138 | acpigen_write_method_end(); /* Method */ |
| 139 | acpigen_write_scope_end(); /* Scope */ |
| 140 | } |
| 141 | /* for variant to fill additional SSDT */ |
| 142 | variant_fill_ssdt(dev); |
Eric Lai | af92d07 | 2022-03-14 15:08:27 +0800 | [diff] [blame^] | 143 | |
| 144 | acpigen_write_scope("\\_SB"); |
| 145 | acpigen_write_method_serialized("MS0X", 1); |
| 146 | mainboard_generate_s0ix_hook(); |
| 147 | acpigen_write_method_end(); /* Method */ |
| 148 | acpigen_write_scope_end(); /* Scope */ |
| 149 | |
Cliff Huang | 20ee22c | 2022-02-11 18:08:32 -0800 | [diff] [blame] | 150 | } |
| 151 | |
| 152 | void __weak variant_fill_ssdt(const struct device *dev) |
| 153 | { |
| 154 | /* Add board-specific SSDT entries */ |
| 155 | } |
| 156 | |
Eric Lai | af92d07 | 2022-03-14 15:08:27 +0800 | [diff] [blame^] | 157 | void __weak variant_generate_s0ix_hook(enum s0ix_entry) |
| 158 | { |
| 159 | /* Add board-specific MS0X entries */ |
| 160 | /* |
| 161 | if (s0ix_entry == S0IX_ENTRY) { |
| 162 | implement variant operations here |
| 163 | } |
| 164 | if (s0ix_entry == S0IX_EXIT) { |
| 165 | implement variant operations here |
| 166 | } |
| 167 | */ |
| 168 | } |
| 169 | |
Eric Lai | 5088682 | 2020-11-26 12:10:39 +0800 | [diff] [blame] | 170 | static void mainboard_enable(struct device *dev) |
| 171 | { |
Eric Lai | 78b6a1b | 2020-11-27 14:11:59 +0800 | [diff] [blame] | 172 | dev->ops->init = mainboard_dev_init; |
Wisley Chen | b8461aa | 2021-08-25 18:13:59 +0600 | [diff] [blame] | 173 | dev->ops->get_smbios_strings = mainboard_smbios_strings; |
Cliff Huang | 20ee22c | 2022-02-11 18:08:32 -0800 | [diff] [blame] | 174 | dev->ops->acpi_fill_ssdt = mainboard_fill_ssdt; |
Eric Lai | 5088682 | 2020-11-26 12:10:39 +0800 | [diff] [blame] | 175 | } |
| 176 | |
| 177 | struct chip_operations mainboard_ops = { |
| 178 | .init = mainboard_init, |
| 179 | .enable_dev = mainboard_enable, |
| 180 | }; |