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-rw-r--r--arch/powerpc/include/asm/prom.h147
1 files changed, 2 insertions, 145 deletions
diff --git a/arch/powerpc/include/asm/prom.h b/arch/powerpc/include/asm/prom.h
index 6ff04185d2aa..2ab9cbd98826 100644
--- a/arch/powerpc/include/asm/prom.h
+++ b/arch/powerpc/include/asm/prom.h
@@ -1,3 +1,4 @@
1#include <linux/of.h> /* linux/of.h gets to determine #include ordering */
1#ifndef _POWERPC_PROM_H 2#ifndef _POWERPC_PROM_H
2#define _POWERPC_PROM_H 3#define _POWERPC_PROM_H
3#ifdef __KERNEL__ 4#ifdef __KERNEL__
@@ -16,6 +17,7 @@
16 * 2 of the License, or (at your option) any later version. 17 * 2 of the License, or (at your option) any later version.
17 */ 18 */
18#include <linux/types.h> 19#include <linux/types.h>
20#include <linux/of_fdt.h>
19#include <linux/proc_fs.h> 21#include <linux/proc_fs.h>
20#include <linux/platform_device.h> 22#include <linux/platform_device.h>
21#include <asm/irq.h> 23#include <asm/irq.h>
@@ -28,133 +30,14 @@
28#define of_prop_cmp(s1, s2) strcmp((s1), (s2)) 30#define of_prop_cmp(s1, s2) strcmp((s1), (s2))
29#define of_node_cmp(s1, s2) strcasecmp((s1), (s2)) 31#define of_node_cmp(s1, s2) strcasecmp((s1), (s2))
30 32
31/* Definitions used by the flattened device tree */
32#define OF_DT_HEADER 0xd00dfeed /* marker */
33#define OF_DT_BEGIN_NODE 0x1 /* Start of node, full name */
34#define OF_DT_END_NODE 0x2 /* End node */
35#define OF_DT_PROP 0x3 /* Property: name off, size,
36 * content */
37#define OF_DT_NOP 0x4 /* nop */
38#define OF_DT_END 0x9
39
40#define OF_DT_VERSION 0x10
41
42/*
43 * This is what gets passed to the kernel by prom_init or kexec
44 *
45 * The dt struct contains the device tree structure, full pathes and
46 * property contents. The dt strings contain a separate block with just
47 * the strings for the property names, and is fully page aligned and
48 * self contained in a page, so that it can be kept around by the kernel,
49 * each property name appears only once in this page (cheap compression)
50 *
51 * the mem_rsvmap contains a map of reserved ranges of physical memory,
52 * passing it here instead of in the device-tree itself greatly simplifies
53 * the job of everybody. It's just a list of u64 pairs (base/size) that
54 * ends when size is 0
55 */
56struct boot_param_header
57{
58 u32 magic; /* magic word OF_DT_HEADER */
59 u32 totalsize; /* total size of DT block */
60 u32 off_dt_struct; /* offset to structure */
61 u32 off_dt_strings; /* offset to strings */
62 u32 off_mem_rsvmap; /* offset to memory reserve map */
63 u32 version; /* format version */
64 u32 last_comp_version; /* last compatible version */
65 /* version 2 fields below */
66 u32 boot_cpuid_phys; /* Physical CPU id we're booting on */
67 /* version 3 fields below */
68 u32 dt_strings_size; /* size of the DT strings block */
69 /* version 17 fields below */
70 u32 dt_struct_size; /* size of the DT structure block */
71};
72
73
74
75typedef u32 phandle;
76typedef u32 ihandle;
77
78struct property {
79 char *name;
80 int length;
81 void *value;
82 struct property *next;
83};
84
85struct device_node {
86 const char *name;
87 const char *type;
88 phandle node;
89 phandle linux_phandle;
90 char *full_name;
91
92 struct property *properties;
93 struct property *deadprops; /* removed properties */
94 struct device_node *parent;
95 struct device_node *child;
96 struct device_node *sibling;
97 struct device_node *next; /* next device of same type */
98 struct device_node *allnext; /* next in list of all nodes */
99 struct proc_dir_entry *pde; /* this node's proc directory */
100 struct kref kref;
101 unsigned long _flags;
102 void *data;
103};
104
105extern struct device_node *of_chosen; 33extern struct device_node *of_chosen;
106 34
107static inline int of_node_check_flag(struct device_node *n, unsigned long flag)
108{
109 return test_bit(flag, &n->_flags);
110}
111
112static inline void of_node_set_flag(struct device_node *n, unsigned long flag)
113{
114 set_bit(flag, &n->_flags);
115}
116
117
118#define HAVE_ARCH_DEVTREE_FIXUPS 35#define HAVE_ARCH_DEVTREE_FIXUPS
119 36
120static inline void set_node_proc_entry(struct device_node *dn, struct proc_dir_entry *de)
121{
122 dn->pde = de;
123}
124
125
126extern struct device_node *of_find_all_nodes(struct device_node *prev);
127extern struct device_node *of_node_get(struct device_node *node);
128extern void of_node_put(struct device_node *node);
129
130/* For scanning the flat device-tree at boot time */
131extern int __init of_scan_flat_dt(int (*it)(unsigned long node,
132 const char *uname, int depth,
133 void *data),
134 void *data);
135extern void* __init of_get_flat_dt_prop(unsigned long node, const char *name,
136 unsigned long *size);
137extern int __init of_flat_dt_is_compatible(unsigned long node, const char *name);
138extern unsigned long __init of_get_flat_dt_root(void);
139
140/* For updating the device tree at runtime */ 37/* For updating the device tree at runtime */
141extern void of_attach_node(struct device_node *); 38extern void of_attach_node(struct device_node *);
142extern void of_detach_node(struct device_node *); 39extern void of_detach_node(struct device_node *);
143 40
144/* Other Prototypes */
145extern void finish_device_tree(void);
146extern void unflatten_device_tree(void);
147extern void early_init_devtree(void *);
148extern int machine_is_compatible(const char *compat);
149extern void print_properties(struct device_node *node);
150extern int prom_n_intr_cells(struct device_node* np);
151extern void prom_get_irq_senses(unsigned char *senses, int off, int max);
152extern int prom_add_property(struct device_node* np, struct property* prop);
153extern int prom_remove_property(struct device_node *np, struct property *prop);
154extern int prom_update_property(struct device_node *np,
155 struct property *newprop,
156 struct property *oldprop);
157
158#ifdef CONFIG_PPC32 41#ifdef CONFIG_PPC32
159/* 42/*
160 * PCI <-> OF matching functions 43 * PCI <-> OF matching functions
@@ -178,26 +61,6 @@ extern int release_OF_resource(struct device_node* node, int index);
178 * OF address retreival & translation 61 * OF address retreival & translation
179 */ 62 */
180 63
181
182/* Helper to read a big number; size is in cells (not bytes) */
183static inline u64 of_read_number(const u32 *cell, int size)
184{
185 u64 r = 0;
186 while (size--)
187 r = (r << 32) | *(cell++);
188 return r;
189}
190
191/* Like of_read_number, but we want an unsigned long result */
192#ifdef CONFIG_PPC32
193static inline unsigned long of_read_ulong(const u32 *cell, int size)
194{
195 return cell[size-1];
196}
197#else
198#define of_read_ulong(cell, size) of_read_number(cell, size)
199#endif
200
201/* Translate an OF address block into a CPU physical address 64/* Translate an OF address block into a CPU physical address
202 */ 65 */
203extern u64 of_translate_address(struct device_node *np, const u32 *addr); 66extern u64 of_translate_address(struct device_node *np, const u32 *addr);
@@ -349,11 +212,5 @@ extern int of_irq_to_resource(struct device_node *dev, int index,
349 */ 212 */
350extern void __iomem *of_iomap(struct device_node *device, int index); 213extern void __iomem *of_iomap(struct device_node *device, int index);
351 214
352/*
353 * NB: This is here while we transition from using asm/prom.h
354 * to linux/of.h
355 */
356#include <linux/of.h>
357
358#endif /* __KERNEL__ */ 215#endif /* __KERNEL__ */
359#endif /* _POWERPC_PROM_H */ 216#endif /* _POWERPC_PROM_H */
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-24 23:32:04 -0500