| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <acpi/acpi.h> |
| #include <baseboard/variants.h> |
| #include <boardid.h> |
| #include <console/console.h> |
| #include <device/device.h> |
| #include <ec/ec.h> |
| #include <gpio.h> |
| #include <nhlt.h> |
| #include <smbios.h> |
| #include <soc/gpio.h> |
| #include <soc/nhlt.h> |
| #include <string.h> |
| #include <variant/ec.h> |
| #include <variant/gpio.h> |
| |
| /* override specific gpio by sku id */ |
| const struct pad_config __weak |
| *variant_sku_gpio_table(size_t *num) |
| { |
| *num = 0; |
| return NULL; |
| } |
| |
| static void mainboard_init(void *chip_info) |
| { |
| int boardid; |
| const struct pad_config *pads; |
| size_t num; |
| |
| boardid = board_id(); |
| printk(BIOS_INFO, "Board ID: %d\n", boardid); |
| |
| pads = variant_gpio_table(&num); |
| gpio_configure_pads(pads, num); |
| |
| pads = variant_sku_gpio_table(&num); |
| gpio_configure_pads(pads, num); |
| |
| mainboard_ec_init(); |
| |
| variant_board_ec_set_skuid(); |
| } |
| |
| /* |
| * There are 2 pins on reef-like boards that can be used for SKU'ing |
| * board differences. They each have optional stuffing for a pullup and |
| * a pulldown. This way we can generate 9 different values with the |
| * 2 pins. |
| */ |
| uint8_t sku_strapping_value(void) |
| { |
| gpio_t board_sku_gpios[] = { |
| [1] = GPIO_17, [0] = GPIO_16, |
| }; |
| const size_t num = ARRAY_SIZE(board_sku_gpios); |
| |
| return gpio_base3_value(board_sku_gpios, num); |
| } |
| |
| uint8_t __weak variant_board_sku(void) |
| { |
| static int board_sku_num = -1; |
| |
| if (board_sku_num < 0) |
| board_sku_num = sku_strapping_value(); |
| |
| return board_sku_num; |
| } |
| |
| /* Set variant board sku to ec by sku id */ |
| void __weak variant_board_ec_set_skuid(void) |
| { |
| } |
| |
| const char *smbios_system_sku(void) |
| { |
| static char sku_str[7]; /* sku{0..255} */ |
| |
| snprintf(sku_str, sizeof(sku_str), "sku%d", variant_board_sku()); |
| |
| return sku_str; |
| } |
| |
| void __weak variant_nhlt_oem_overrides(const char **oem_id, |
| const char **oem_table_id, |
| uint32_t *oem_revision) |
| { |
| *oem_id = "reef"; |
| *oem_table_id = CONFIG_VARIANT_DIR; |
| *oem_revision = variant_board_sku(); |
| } |
| |
| static unsigned long mainboard_write_acpi_tables( |
| const struct device *device, unsigned long current, acpi_rsdp_t *rsdp) |
| { |
| uintptr_t start_addr; |
| uintptr_t end_addr; |
| struct nhlt *nhlt; |
| const char *oem_id = NULL; |
| const char *oem_table_id = NULL; |
| uint32_t oem_revision = 0; |
| |
| start_addr = current; |
| |
| nhlt = nhlt_init(); |
| |
| if (nhlt == NULL) |
| return start_addr; |
| |
| variant_nhlt_init(nhlt); |
| variant_nhlt_oem_overrides(&oem_id, &oem_table_id, &oem_revision); |
| |
| end_addr = nhlt_soc_serialize_oem_overrides(nhlt, start_addr, |
| oem_id, oem_table_id, oem_revision); |
| |
| if (end_addr != start_addr) |
| acpi_add_table(rsdp, (void *)start_addr); |
| |
| return end_addr; |
| } |
| |
| static void mainboard_enable(struct device *dev) |
| { |
| dev->ops->write_acpi_tables = mainboard_write_acpi_tables; |
| } |
| |
| struct chip_operations mainboard_ops = { |
| .init = mainboard_init, |
| .enable_dev = mainboard_enable, |
| }; |