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author | David S. Miller <davem@sunset.davemloft.net> | 2006-06-21 22:35:28 (GMT) |
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committer | David S. Miller <davem@sunset.davemloft.net> | 2006-06-24 06:15:02 (GMT) |
commit | 372b07bb5a13f8a1b8a3ce49cd76d39a79dbd3bd (patch) | |
tree | 934af50f039921411e2ab6f4678b083f2b8c7eed /include/asm-sparc64/prom.h | |
parent | 8fae097debdf8ac9b66d220ac258535ea09f3898 (diff) | |
download | linux-fsl-qoriq-372b07bb5a13f8a1b8a3ce49cd76d39a79dbd3bd.tar.xz |
[SPARC64]: Import OBP device tree into kernel data structures.
The basic framework is based on the PowerPC OF code.
This code even tries to get the device addressing components
correct in the full path names.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/asm-sparc64/prom.h')
-rw-r--r-- | include/asm-sparc64/prom.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/include/asm-sparc64/prom.h b/include/asm-sparc64/prom.h new file mode 100644 index 0000000..44bcc83 --- /dev/null +++ b/include/asm-sparc64/prom.h @@ -0,0 +1,79 @@ +#ifndef _SPARC64_PROM_H +#define _SPARC64_PROM_H +#ifdef __KERNEL__ + + +/* + * Definitions for talking to the Open Firmware PROM on + * Power Macintosh computers. + * + * Copyright (C) 1996-2005 Paul Mackerras. + * + * Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp. + * Updates for SPARC64 by David S. Miller + * + * 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. + */ + +#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; + void *value; + struct property *next; +}; + +struct device_node { + char *name; + char *type; + phandle node; + phandle linux_phandle; + int n_intrs; + struct interrupt_info *intrs; + char *path_component_name; + char *full_name; + + struct property *properties; + struct property *deadprops; /* removed 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 */ + struct proc_dir_entry *pde; /* this node's proc directory */ + struct kref kref; + unsigned long _flags; + void *data; +}; + +static inline void set_node_proc_entry(struct device_node *dn, struct proc_dir_entry *de) +{ + dn->pde = de; +} + +extern struct device_node *of_find_node_by_path(const char *path); +extern struct device_node *of_get_parent(const struct device_node *node); +extern struct device_node *of_get_next_child(const struct device_node *node, + struct device_node *prev); +extern struct property *of_find_property(struct device_node *np, + const char *name, + int *lenp); + +extern void prom_build_devicetree(void); + +#endif /* __KERNEL__ */ +#endif /* _SPARC64_PROM_H */ |