- Bump MAX_LINKS to 4 I have actually found an i2c bridge that needs this

[coreboot.git] / src / include / device / device.h

diff --git a/src/include/device/device.h b/src/include/device/device.h
index 5529abc7f232eb4782ab5320efabc288dabf6c98..79402e2111caae06dcab37787c2440b7f84634c9 100644 (file)
--- a/src/include/device/device.h
+++ b/src/include/device/device.h
@@ -5,8 +5,17 @@
 #include <device/resource.h>
 #include <device/path.h>
 
+
 struct device;
 typedef struct device * device_t;
+struct pci_operations;
+struct smbus_bus_operations;
+
+/* Chip operations */
+struct chip_operations {
+       char *name;     /* This is the print name for debugging */
+       void (*enable_dev)(struct device *dev);
+};
 
 struct device_operations {
        void (*read_resources)(device_t dev);
@@ -15,6 +24,8 @@ struct device_operations {
        void (*init)(device_t dev);
        unsigned int (*scan_bus)(device_t  bus, unsigned int max);
        void (*enable)(device_t dev);
+       struct pci_operations *ops_pci;
+       struct smbus_bus_operations *ops_smbus_bus;
 };
 
 
@@ -28,38 +39,29 @@ struct bus {
        unsigned char   cap;            /* PCi capability offset */
 };
 
-#define MAX_RESOURCES 6
-#define MAX_LINKS     3
+#define MAX_RESOURCES 12
+#define MAX_LINKS     4
 /*
  * There is one device structure for each slot-number/function-number
  * combination:
  */
 
+struct chip;
 struct device {
        struct bus *    bus;            /* bus this device is on */
        device_t        sibling;        /* next device on this bus */
        device_t        next;           /* chain of all devices */
 
        struct device_path path;
-       unsigned short  vendor;
-       unsigned short  device;
+       unsigned        vendor;
+       unsigned        device;
        unsigned int    class;          /* 3 bytes: (base,sub,prog-if) */
        unsigned int    hdr_type;       /* PCI header type */
-       unsigned int    enable : 1;     /* set if we should enable the device */
+       unsigned int    enabled : 1;    /* set if we should enable the device */
+       unsigned int    initialized : 1; /* set if we have initialized the device */
+       unsigned int    have_resources : 1; /* Set if we have read the devices resources */
 
        uint8_t command;
-       /*
-        * In theory, the irq level can be read from configuration
-        * space and all would be fine.  However, old PCI chips don't
-        * support these registers and return 0 instead.  For example,
-        * the Vision864-P rev 0 chip can uses INTA, but returns 0 in
-        * the interrupt line and pin registers.  pci_init()
-        * initializes this field with the value at PCI_INTERRUPT_LINE
-        * and it is the job of pcibios_fixup() to change it if
-        * necessary.  The field must not be 0 unless the device
-        * cannot generate interrupts at all.
-        */
-       unsigned int    irq;            /* irq generated by this device */
 
        /* Base registers for this device, can be adjusted by
         * pcibios_fixup() as necessary.
@@ -72,6 +74,8 @@ struct device {
 
        unsigned long rom_address;
        struct device_operations *ops;
+       struct chip_operations *chip_ops;
+       void *chip_info;
 };
 
 extern struct device   dev_root;       /* root bus */
@@ -91,10 +95,12 @@ extern void compute_allocate_resource(struct bus *bus, struct resource *bridge,
 extern void assign_resources(struct bus *bus);
 extern void enable_resources(struct device *dev);
 extern void enumerate_static_device(void);
+extern void enumerate_static_devices(void);
 extern const char *dev_path(device_t dev);
 
 /* Helper functions */
-device_t alloc_find_dev(struct bus *bus, struct device_path *path);
+device_t find_dev_path(struct bus *parent, struct device_path *path);
+device_t alloc_find_dev(struct bus *parent, struct device_path *path);
 device_t dev_find_device (unsigned int vendor, unsigned int device, device_t from);
 device_t dev_find_class (unsigned int class, device_t from);
 device_t dev_find_slot (unsigned int bus, unsigned int devfn);
@@ -108,7 +114,10 @@ device_t dev_find_slot (unsigned int bus, unsigned int devfn);
 struct device_operations default_dev_ops_root;
 extern void root_dev_read_resources(device_t dev);
 extern void root_dev_set_resources(device_t dev);
-extern unsigned int walk_static_devices(device_t bus, unsigned int max);
+extern unsigned int scan_static_bus(device_t bus, unsigned int max);
 extern void enable_childrens_resources(device_t dev);
+extern void root_dev_enable_resources(device_t dev);
+extern unsigned int root_dev_scan_bus(device_t root, unsigned int max);
+extern void root_dev_init(device_t dev);
 
 #endif /* DEVICE_H */