* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
+#include <linux/config.h>
#include <linux/types.h>
#include <linux/proc_fs.h>
#include <asm/atomic.h>
typedef u32 phandle;
typedef u32 ihandle;
+struct interrupt_info {
+ int line;
+ int sense; /* +ve/-ve logic, edge or level, etc. */
+};
+
struct property {
char *name;
int length;
char *type;
phandle node;
phandle linux_phandle;
+ int n_intrs;
+ struct interrupt_info *intrs;
char *full_name;
struct property *properties;
extern void early_init_devtree(void *);
extern int device_is_compatible(struct device_node *device, const char *);
extern int machine_is_compatible(const char *compat);
-extern void *get_property(struct device_node *node, const char *name,
- int *lenp);
+extern unsigned char *get_property(struct device_node *node, const char *name,
+ int *lenp);
extern void print_properties(struct device_node *node);
extern int prom_n_addr_cells(struct device_node* np);
extern int prom_n_size_cells(struct device_node* np);
*/
-/* Helper to read a big number */
-static inline u64 of_read_number(u32 *cell, int size)
-{
- u64 r = 0;
- while (size--)
- r = (r << 32) | *(cell++);
- return r;
-}
-
/* Translate an OF address block into a CPU physical address
*/
#define OF_BAD_ADDR ((u64)-1)
extern int of_pci_address_to_resource(struct device_node *dev, int bar,
struct resource *r);
-/* Parse the ibm,dma-window property of an OF node into the busno, phys and
- * size parameters.
- */
-void of_parse_dma_window(struct device_node *dn, unsigned char *dma_window_prop,
- unsigned long *busno, unsigned long *phys, unsigned long *size);
-
extern void kdump_move_device_tree(void);
-/* CPU OF node matching */
-struct device_node *of_get_cpu_node(int cpu, unsigned int *thread);
-
-
-/*
- * OF interrupt mapping
- */
-
-/* This structure is returned when an interrupt is mapped. The controller
- * field needs to be put() after use
- */
-
-#define OF_MAX_IRQ_SPEC 4 /* We handle specifiers of at most 4 cells */
-
-struct of_irq {
- struct device_node *controller; /* Interrupt controller node */
- u32 size; /* Specifier size */
- u32 specifier[OF_MAX_IRQ_SPEC]; /* Specifier copy */
-};
-
-/***
- * of_irq_map_init - Initialize the irq remapper
- * @flags: flags defining workarounds to enable
- *
- * Some machines have bugs in the device-tree which require certain workarounds
- * to be applied. Call this before any interrupt mapping attempts to enable
- * those workarounds.
- */
-#define OF_IMAP_OLDWORLD_MAC 0x00000001
-#define OF_IMAP_NO_PHANDLE 0x00000002
-
-extern void of_irq_map_init(unsigned int flags);
-
-/***
- * of_irq_map_raw - Low level interrupt tree parsing
- * @parent: the device interrupt parent
- * @intspec: interrupt specifier ("interrupts" property of the device)
- * @ointsize: size of the passed in interrupt specifier
- * @addr: address specifier (start of "reg" property of the device)
- * @out_irq: structure of_irq filled by this function
- *
- * Returns 0 on success and a negative number on error
- *
- * This function is a low-level interrupt tree walking function. It
- * can be used to do a partial walk with synthetized reg and interrupts
- * properties, for example when resolving PCI interrupts when no device
- * node exist for the parent.
- *
- */
-
-extern int of_irq_map_raw(struct device_node *parent, u32 *intspec,
- u32 ointsize, u32 *addr,
- struct of_irq *out_irq);
-
-
-/***
- * of_irq_map_one - Resolve an interrupt for a device
- * @device: the device whose interrupt is to be resolved
- * @index: index of the interrupt to resolve
- * @out_irq: structure of_irq filled by this function
- *
- * This function resolves an interrupt, walking the tree, for a given
- * device-tree node. It's the high level pendant to of_irq_map_raw().
- * It also implements the workarounds for OldWolrd Macs.
- */
-extern int of_irq_map_one(struct device_node *device, int index,
- struct of_irq *out_irq);
-
-/***
- * of_irq_map_pci - Resolve the interrupt for a PCI device
- * @pdev: the device whose interrupt is to be resolved
- * @out_irq: structure of_irq filled by this function
- *
- * This function resolves the PCI interrupt for a given PCI device. If a
- * device-node exists for a given pci_dev, it will use normal OF tree
- * walking. If not, it will implement standard swizzling and walk up the
- * PCI tree until an device-node is found, at which point it will finish
- * resolving using the OF tree walking.
- */
-struct pci_dev;
-extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq);
-
-
#endif /* __KERNEL__ */
#endif /* _POWERPC_PROM_H */