diff options
Diffstat (limited to 'src/mainboard/google/volteer/mainboard.c')
-rw-r--r-- | src/mainboard/google/volteer/mainboard.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/mainboard/google/volteer/mainboard.c b/src/mainboard/google/volteer/mainboard.c new file mode 100644 index 0000000000..51cbc40cfc --- /dev/null +++ b/src/mainboard/google/volteer/mainboard.c @@ -0,0 +1,79 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2020 The coreboot project Authors. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include <console/console.h> +#include <arch/acpi.h> +#include <baseboard/variants.h> +#include <device/device.h> +#include <ec/ec.h> +#include <ec/google/chromeec/ec.h> +#include <soc/gpio.h> +#include <smbios.h> +#include <vendorcode/google/chromeos/chromeos.h> +#include <variant/gpio.h> + +#define SKU_UNKNOWN 0xFFFFFFFF +#define SKU_MAX 0x7FFFFFFF + +static uint32_t get_board_sku(void) +{ + static uint32_t sku_id = SKU_UNKNOWN; + + if (sku_id != SKU_UNKNOWN) + return sku_id; + + if (google_chromeec_cbi_get_sku_id(&sku_id)) + sku_id = SKU_UNKNOWN; + + return sku_id; +} + +const char *smbios_system_sku(void) +{ + static char sku_str[14]; /* sku{0..2147483647} */ + uint32_t sku_id = get_board_sku(); + + if ((sku_id == SKU_UNKNOWN) || (sku_id > SKU_MAX)) { + printk(BIOS_ERR, "%s: Unexpected SKU ID %u\n", + __func__, sku_id); + return ""; + } + + snprintf(sku_str, sizeof(sku_str), "sku%u", sku_id); + + return sku_str; +} + +static void mainboard_init(struct device *dev) +{ + mainboard_ec_init(); +} + +static void mainboard_enable(struct device *dev) +{ + dev->ops->init = mainboard_init; + dev->ops->acpi_inject_dsdt_generator = chromeos_dsdt_generator; +} + +static void mainboard_chip_init(void *chip_info) +{ + const struct pad_config *base_pads; + const struct pad_config *override_pads; + size_t base_num, override_num; + + base_pads = variant_base_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); +} + +struct chip_operations mainboard_ops = { + .init = mainboard_chip_init, + .enable_dev = mainboard_enable, +}; |