#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
-#include <part/hard_reset.h>
+#include <reset.h>
-/**
- * Read the resources for the root device,
- * that encompass the resources for the entire system.
- * @param root Pointer to the device structure for the system root device
+/**
+ * Read the resources for the root device, that encompass the resources for
+ * the entire system.
+ *
+ * @param root Pointer to the device structure for the system root device.
*/
-void root_dev_read_resources(device_t root)
+static void root_dev_read_resources(device_t root)
{
- printk_err("%s should never be called.\n", __func__);
+ printk(BIOS_ERR, "%s should never be called.\n", __func__);
}
/**
- * @brief Write the resources for every device
+ * Write the resources for every device.
*
- * Write the resources for the root device,
- * and every device under it which are all of the devices.
- * @param root Pointer to the device structure for the system root device
+ * Write the resources for the root device, and every device under it which
+ * are all of the devices.
+ *
+ * @param root Pointer to the device structure for the system root device.
*/
-void root_dev_set_resources(device_t root)
+static void root_dev_set_resources(device_t root)
{
- printk_err("%s should never be called.\n", __func__);
+ printk(BIOS_ERR, "%s should never be called.\n", __func__);
}
/**
- * @brief Scan devices on static buses.
+ * Scan devices on static buses.
*
* The enumeration of certain buses is purely static. The existence of
* devices on those buses can be completely determined at compile time
- * and is specified in the config file. Typical examples are the 'PNP'
- * devices on a legacy ISA/LPC bus. There is no need of probing of any kind,
- * the only thing we have to do is to walk through the bus and
+ * and is specified in the config file. Typical examples are the 'PNP'
+ * devices on a legacy ISA/LPC bus. There is no need of probing of any kind,
+ * the only thing we have to do is to walk through the bus and
* enable or disable devices as indicated in the config file.
*
* On the other hand, some devices are virtual and their existence is
* This function is the default scan_bus() method for the root device and
* LPC bridges.
*
- * @param bus Pointer to the device structure which the static buses are attached
- * @param max Maximum bus number currently used before scanning.
+ * @param bus Pointer to the device to which the static buses are attached to.
+ * @param max Maximum bus number currently used before scanning.
* @return Largest bus number used.
*/
static int smbus_max = 0;
unsigned int scan_static_bus(device_t bus, unsigned int max)
{
device_t child;
- unsigned link;
+ struct bus* link;
- printk_spew("%s for %s\n", __func__, dev_path(bus));
+ printk(BIOS_SPEW, "%s for %s\n", __func__, dev_path(bus));
- for(link = 0; link < bus->links; link++) {
+ for(link = bus->link_list; link; link = link->next) {
/* for smbus bus enumerate */
- child = bus->link[link].children;
+ child = link->children;
if(child && child->path.type == DEVICE_PATH_I2C) {
- bus->link[link].secondary = ++smbus_max;
+ link->secondary = ++smbus_max;
}
- for(child = bus->link[link].children; child; child = child->sibling) {
+ for(child =link->children; child; child = child->sibling) {
if (child->chip_ops && child->chip_ops->enable_dev) {
child->chip_ops->enable_dev(child);
}
child->ops->enable(child);
}
if (child->path.type == DEVICE_PATH_I2C) {
- printk_debug("smbus: %s[%d]->",
- dev_path(child->bus->dev), child->bus->link );
+ printk(BIOS_DEBUG, "smbus: %s[%d]->",
+ dev_path(child->bus->dev), child->bus->link_num );
}
- printk_debug("%s %s\n",
+ printk(BIOS_DEBUG, "%s %s\n",
dev_path(child),
child->enabled?"enabled": "disabled");
}
}
- for(link = 0; link < bus->links; link++) {
- for(child = bus->link[link].children; child; child = child->sibling) {
+ for(link = bus->link_list; link; link = link->next) {
+ for(child = link->children; child; child = child->sibling) {
if (!child->ops || !child->ops->scan_bus)
continue;
- printk_spew("%s scanning...\n", dev_path(child));
+ printk(BIOS_SPEW, "%s scanning...\n", dev_path(child));
max = scan_bus(child, max);
}
}
- printk_spew("%s for %s done\n", __func__, dev_path(bus));
+ printk(BIOS_SPEW, "%s for %s done\n", __func__, dev_path(bus));
return max;
}
-/**
- * @brief Enable resources for children devices
- *
- * @param dev the device whos children's resources are to be enabled
- *
- * This function is called by the global enable_resource() indirectly via the
- * device_operation::enable_resources() method of devices.
- *
- * Indirect mutual recursion:
- * enable_childrens_resources() -> enable_resources()
- * enable_resources() -> device_operation::enable_resources()
- * device_operation::enable_resources() -> enable_children_resources()
- */
-void enable_childrens_resources(device_t dev)
+static void root_dev_enable_resources(device_t dev)
{
- unsigned link;
- for(link = 0; link < dev->links; link++) {
- device_t child;
- for(child = dev->link[link].children; child; child = child->sibling) {
- enable_resources(child);
- }
- }
-}
-
-void root_dev_enable_resources(device_t dev)
-{
- enable_childrens_resources(dev);
}
/**
- * @brief Scan root bus for generic systems
- *
- * @param root The root device structure
- * @param max The current bus number scanned so far, usually 0x00
+ * Scan root bus for generic systems.
*
* This function is the default scan_bus() method of the root device.
+ *
+ * @param root The root device structure.
+ * @param max The current bus number scanned so far, usually 0x00.
+ * @return TODO.
*/
-unsigned int root_dev_scan_bus(device_t root, unsigned int max)
+static unsigned int root_dev_scan_bus(device_t root, unsigned int max)
{
return scan_static_bus(root, max);
}
-void root_dev_init(device_t root)
+static void root_dev_init(device_t root)
{
}
-void root_dev_reset(struct bus *bus)
+static void root_dev_reset(struct bus *bus)
{
- printk_info("Reseting board...\n");
+ printk(BIOS_INFO, "Reseting board...\n");
hard_reset();
}
/**
- * @brief Default device operation for root device
+ * Default device operation for root device.
*
* This is the default device operation for root devices. These operations
- * should be fully usable as is. However the chip_operations::enable_dev()
+ * should be fully usable as is. However the chip_operations::enable_dev()
* of a motherboard can override this if you want non-default behavior.
*/
struct device_operations default_dev_ops_root = {