patch-2.4.19 linux-2.4.19/include/asm-ppc64/prom.h

• Lines: 203
• Date: Fri Aug 2 17:39:45 2002
• Orig file: linux-2.4.18/include/asm-ppc64/prom.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.18/include/asm-ppc64/prom.h linux-2.4.19/include/asm-ppc64/prom.h
@@ -0,0 +1,202 @@
+#ifndef _PPC64_PROM_H
+#define _PPC64_PROM_H
+
+/*
+ * Definitions for talking to the Open Firmware PROM on
+ * Power Macintosh computers.
+ *
+ * Copyright (C) 1996 Paul Mackerras.
+ *
+ * Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#define PTRRELOC(x)     ((typeof(x))((unsigned long)(x) - offset))
+#define PTRUNRELOC(x)   ((typeof(x))((unsigned long)(x) + offset))
+#define RELOC(x)        (*PTRRELOC(&(x)))
+
+#define LONG_LSW(X) (((unsigned long)X) & 0xffffffff)
+#define LONG_MSW(X) (((unsigned long)X) >> 32)
+
+typedef u32 phandle;
+typedef void *ihandle;
+typedef u32 phandle32;
+typedef u32 ihandle32;
+
+extern char *prom_display_paths[];
+extern unsigned int prom_num_displays;
+
+struct address_range {
+	unsigned long space;
+	unsigned long address;
+	unsigned long size;
+};
+
+struct interrupt_info {
+	int	line;
+	int	sense;		/* +ve/-ve logic, edge or level, etc. */
+};
+
+struct pci_address {
+	u32 a_hi;
+	u32 a_mid;
+	u32 a_lo;
+};
+
+struct pci_range32 {
+	struct pci_address child_addr;
+	unsigned int  parent_addr;
+  	unsigned long size; 
+};
+
+struct pci_range64 {
+	struct pci_address child_addr;
+  	unsigned long parent_addr;
+        unsigned long size; 
+};
+
+union pci_range {
+	struct {
+		struct pci_address addr;
+		u32 phys;
+		u32 size_hi;
+	} pci32;
+	struct {
+		struct pci_address addr;
+		u32 phys_hi;
+		u32 phys_lo;
+		u32 size_hi;
+		u32 size_lo;
+	} pci64;
+};
+
+struct _of_tce_table {
+	phandle node;
+	unsigned long base;
+	unsigned long size;
+};
+
+struct reg_property {
+	unsigned long address;
+	unsigned long size;
+};
+
+struct reg_property32 {
+	unsigned int address;
+	unsigned int size;
+};
+
+struct reg_property64 {
+	unsigned long address;
+	unsigned long size;
+};
+
+struct translation_property {
+	unsigned long virt;
+	unsigned long size;
+	unsigned long phys;
+	unsigned int flags;
+};
+
+struct property {
+	char	*name;
+	int	length;
+	unsigned char *value;
+	struct property *next;
+};
+
+/* NOTE: the device_node contains PCI specific info for pci devices.
+ * This perhaps could be hung off the device_node with another struct,
+ * but for now it is directly in the node.  The phb ptr is a good
+ * indication of a real PCI node.  Other nodes leave these fields zeroed.
+ */
+struct pci_controller;
+struct TceTable;
+struct device_node {
+	char	*name;
+	char	*type;
+	phandle	node;
+	int	n_addrs;
+	struct	address_range *addrs;
+	int	n_intrs;
+	struct	interrupt_info *intrs;
+	char	*full_name;
+	int	busno;			/* for pci devices */
+	int	devfn;			/* for pci devices */
+	struct  pci_controller *phb;	/* for pci devices */
+	int	status;			/* current status of device */
+	struct	TceTable *tce_table;	/* for phb's or bridges */
+#define DN_STATUS_BIST_FAILED (1<<0)
+	struct	property *properties;
+	struct	device_node *parent;
+	struct	device_node *child;
+	struct	device_node *sibling;
+	struct	device_node *next;	/* next device of same type */
+	struct	device_node *allnext;	/* next in list of all nodes */
+};
+
+typedef u32 prom_arg_t;
+
+struct prom_args {
+        u32 service;
+        u32 nargs;
+        u32 nret;
+        prom_arg_t args[10];
+        prom_arg_t *rets;     /* Pointer to return values in args[16]. */
+};
+
+typedef struct {
+	u32  printf;	/* void (*printf)(char *, ...); */
+	u32  memdump;	/* void (*memdump)(unsigned char *, unsigned long); */
+	u32  dummy;		/* void (*dummy)(void); */
+} yaboot_debug_t;
+
+struct prom_t {
+	unsigned long entry;
+	ihandle chosen;
+	int cpu;
+	ihandle stdout;
+	ihandle disp_node;
+	struct prom_args args;
+	unsigned long version;
+	unsigned long encode_phys_size;
+	struct bi_record *bi_recs;
+#ifdef DEBUG_YABOOT
+	yaboot_debug_t *yaboot;
+#endif
+};
+
+extern struct prom_t prom;
+
+/* Prototypes */
+extern void abort(void);
+extern unsigned long prom_init(unsigned long, unsigned long, unsigned long,
+    unsigned long, unsigned long, yaboot_debug_t *);
+extern void prom_print(const char *msg);
+extern void relocate_nodes(void);
+extern void finish_device_tree(void);
+extern struct device_node *find_devices(const char *name);
+extern struct device_node *find_type_devices(const char *type);
+extern struct device_node *find_path_device(const char *path);
+extern struct device_node *find_compatible_devices(const char *type,
+						   const char *compat);
+extern struct device_node *find_pci_device_OFnode(unsigned char bus,
+	unsigned char dev_fn);
+extern struct device_node *find_all_nodes(void);
+extern int device_is_compatible(struct device_node *device, const char *);
+extern int machine_is_compatible(const char *compat);
+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);
+extern void prom_get_irq_senses(unsigned char *senses, int off, int max);
+extern void prom_drawstring(const char *c);
+extern void prom_drawhex(unsigned long v);
+extern void prom_drawchar(char c);
+
+#endif /* _PPC64_PROM_H */