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Diffstat (limited to 'src/mainboard/google/volteer/mainboard.c')
-rw-r--r--src/mainboard/google/volteer/mainboard.c79
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,
+};