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15#ifndef _ASM_MICROBLAZE_PROM_H
16#define _ASM_MICROBLAZE_PROM_H
17#ifdef __KERNEL__
18
19
20#define OF_DT_HEADER 0xd00dfeed
21#define OF_DT_BEGIN_NODE 0x1
22#define OF_DT_END_NODE 0x2
23#define OF_DT_PROP 0x3
24#define OF_DT_NOP 0x4
25#define OF_DT_END 0x9
26
27#define OF_DT_VERSION 0x10
28
29#ifndef __ASSEMBLY__
30
31#include <linux/types.h>
32#include <linux/proc_fs.h>
33#include <linux/platform_device.h>
34#include <asm/irq.h>
35#include <asm/atomic.h>
36
37#define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 1
38#define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1
39
40#define of_compat_cmp(s1, s2, l) strncasecmp((s1), (s2), (l))
41#define of_prop_cmp(s1, s2) strcmp((s1), (s2))
42#define of_node_cmp(s1, s2) strcasecmp((s1), (s2))
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58struct boot_param_header {
59 u32 magic;
60 u32 totalsize;
61 u32 off_dt_struct;
62 u32 off_dt_strings;
63 u32 off_mem_rsvmap;
64 u32 version;
65 u32 last_comp_version;
66
67 u32 boot_cpuid_phys;
68
69 u32 dt_strings_size;
70
71 u32 dt_struct_size;
72};
73
74typedef u32 phandle;
75typedef u32 ihandle;
76
77struct property {
78 char *name;
79 int length;
80 void *value;
81 struct property *next;
82};
83
84struct device_node {
85 const char *name;
86 const char *type;
87 phandle node;
88 phandle linux_phandle;
89 char *full_name;
90
91 struct property *properties;
92 struct property *deadprops;
93 struct device_node *parent;
94 struct device_node *child;
95 struct device_node *sibling;
96 struct device_node *next;
97 struct device_node *allnext;
98 struct proc_dir_entry *pde;
99 struct kref kref;
100 unsigned long _flags;
101 void *data;
102};
103
104extern struct device_node *of_chosen;
105
106static inline int of_node_check_flag(struct device_node *n, unsigned long flag)
107{
108 return test_bit(flag, &n->_flags);
109}
110
111static inline void of_node_set_flag(struct device_node *n, unsigned long flag)
112{
113 set_bit(flag, &n->_flags);
114}
115
116#define HAVE_ARCH_DEVTREE_FIXUPS
117
118static inline void set_node_proc_entry(struct device_node *dn,
119 struct proc_dir_entry *de)
120{
121 dn->pde = de;
122}
123
124extern struct device_node *allnodes;
125extern rwlock_t devtree_lock;
126
127extern struct device_node *of_find_all_nodes(struct device_node *prev);
128extern struct device_node *of_node_get(struct device_node *node);
129extern void of_node_put(struct device_node *node);
130
131
132extern int __init of_scan_flat_dt(int (*it)(unsigned long node,
133 const char *uname, int depth,
134 void *data),
135 void *data);
136extern void *__init of_get_flat_dt_prop(unsigned long node, const char *name,
137 unsigned long *size);
138extern int __init
139 of_flat_dt_is_compatible(unsigned long node, const char *name);
140extern unsigned long __init of_get_flat_dt_root(void);
141
142
143extern void of_attach_node(struct device_node *);
144extern void of_detach_node(struct device_node *);
145
146
147extern void finish_device_tree(void);
148extern void unflatten_device_tree(void);
149extern int early_uartlite_console(void);
150extern void early_init_devtree(void *);
151extern int machine_is_compatible(const char *compat);
152extern void print_properties(struct device_node *node);
153extern int prom_n_intr_cells(struct device_node *np);
154extern void prom_get_irq_senses(unsigned char *senses, int off, int max);
155extern int prom_add_property(struct device_node *np, struct property *prop);
156extern int prom_remove_property(struct device_node *np, struct property *prop);
157extern int prom_update_property(struct device_node *np,
158 struct property *newprop,
159 struct property *oldprop);
160
161extern struct resource *request_OF_resource(struct device_node *node,
162 int index, const char *name_postfix);
163extern int release_OF_resource(struct device_node *node, int index);
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170static inline u64 of_read_number(const u32 *cell, int size)
171{
172 u64 r = 0;
173 while (size--)
174 r = (r << 32) | *(cell++);
175 return r;
176}
177
178
179#define of_read_ulong(cell, size) of_read_number(cell, size)
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183extern u64 of_translate_address(struct device_node *np, const u32 *addr);
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189extern const u32 *of_get_address(struct device_node *dev, int index,
190 u64 *size, unsigned int *flags);
191extern const u32 *of_get_pci_address(struct device_node *dev, int bar_no,
192 u64 *size, unsigned int *flags);
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200extern int of_address_to_resource(struct device_node *dev, int index,
201 struct resource *r);
202extern int of_pci_address_to_resource(struct device_node *dev, int bar,
203 struct resource *r);
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208void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop,
209 unsigned long *busno, unsigned long *phys, unsigned long *size);
210
211extern void kdump_move_device_tree(void);
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214struct device_node *of_get_cpu_node(int cpu, unsigned int *thread);
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217extern const void *of_get_mac_address(struct device_node *np);
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227#define OF_MAX_IRQ_SPEC 4
228
229struct of_irq {
230 struct device_node *controller;
231 u32 size;
232 u32 specifier[OF_MAX_IRQ_SPEC];
233};
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243#define OF_IMAP_OLDWORLD_MAC 0x00000001
244#define OF_IMAP_NO_PHANDLE 0x00000002
245
246extern void of_irq_map_init(unsigned int flags);
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265extern int of_irq_map_raw(struct device_node *parent, const u32 *intspec,
266 u32 ointsize, const u32 *addr,
267 struct of_irq *out_irq);
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279extern int of_irq_map_one(struct device_node *device, int index,
280 struct of_irq *out_irq);
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293struct pci_dev;
294extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq);
295
296extern int of_irq_to_resource(struct device_node *dev, int index,
297 struct resource *r);
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306extern void __iomem *of_iomap(struct device_node *device, int index);
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312#include <linux/of.h>
313
314#endif
315#endif
316#endif
317