Function dev_enumerate

src/device/device.c:443–465

* Determine the existence of devices and extend the device tree. * * Most of the devices in the system are listed in the mainboard devicetree.cb * file. The device structures for these devices are generated at compile * time by the config tool and are organized into the device tree. This * function determines if the devices created at compile time actually exist * in the physical system. *

 * it to the device tree.
 */
void dev_enumerate(void)
{
	struct device *root;

	printk(BIOS_INFO, "Enumerating buses...\n");

	root = &dev_root;

	show_all_devs(BIOS_SPEW, "Before device enumeration.");
	printk(BIOS_SPEW, "Compare with tree...\n");
	show_devs_tree(root, BIOS_SPEW, 0);

	if (root->chip_ops && root->chip_ops->enable_dev)
		root->chip_ops->enable_dev(root);

	if (!root->ops || !root->ops->scan_bus) {
		printk(BIOS_ERR, "dev_root missing scan_bus operation");
		return;
	}
	scan_bus(root);
	post_log_clear();
	printk(BIOS_INFO, "done\n");
}

/**
 * Configure devices on the devices tree.