[SPARC]: Port sparc64 in-kernel device tree code to sparc32.

Signed-off-by: David S. Miller <davem@davemloft.net>

3 files changed, 104 insertions, 9 deletions

diff --git a/include/asm-sparc/ebus.h b/include/asm-sparc/ebus.h
index 2d6a997c5b0..0dc3c01b4b1 100644
--- a/include/asm-sparc/ebus.h
+++ b/include/asm-sparc/ebus.h
@@ -13,13 +13,13 @@
 #include <linux/ioport.h>
 #endif
 #include <asm/oplib.h>
+#include <asm/prom.h>
 
 struct linux_ebus_child {
         struct linux_ebus_child         *next;
         struct linux_ebus_device        *parent;
         struct linux_ebus               *bus;
-        int                              prom_node;
-        char                             prom_name[64];
+        struct device_node              *prom_node;
         struct resource                  resource[PROMREG_MAX];
         int                              num_addrs;
         unsigned int                     irqs[PROMINTR_MAX];
@@ -30,8 +30,7 @@ struct linux_ebus_device {
         struct linux_ebus_device        *next;
         struct linux_ebus_child         *children;
         struct linux_ebus               *bus;
-        int                              prom_node;
-        char                             prom_name[64];
+        struct device_node              *prom_node;
         struct resource                  resource[PROMREG_MAX];
         int                              num_addrs;
         unsigned int                     irqs[PROMINTR_MAX];
@@ -43,10 +42,7 @@ struct linux_ebus {
         struct linux_ebus_device        *devices;
         struct linux_pbm_info           *parent;
         struct pci_dev                  *self;
-        int                              prom_node;
-        char                             prom_name[64];
-        struct linux_prom_ebus_ranges    ebus_ranges[PROMREG_MAX];
-        int                              num_ebus_ranges;
+        struct device_node              *prom_node;
 };
 
 struct linux_ebus_dma {
diff --git a/include/asm-sparc/pbm.h b/include/asm-sparc/pbm.h
index 0aba3a82c2e..fedd9c6e875 100644
--- a/include/asm-sparc/pbm.h
+++ b/include/asm-sparc/pbm.h
@@ -22,6 +22,7 @@
 
 #include <linux/pci.h>
 #include <asm/oplib.h>
+#include <asm/prom.h>
 
 struct linux_pbm_info {
         int             prom_node;
@@ -40,7 +41,7 @@ struct linux_pbm_info {
  */
 struct pcidev_cookie {
         struct linux_pbm_info           *pbm;
-        int                             prom_node;
+        struct device_node              *prom_node;
 };
 
 #endif /* !(__SPARC_PBM_H) */
diff --git a/include/asm-sparc/prom.h b/include/asm-sparc/prom.h
new file mode 100644
index 00000000000..c5e3d26eabd
--- /dev/null
+++ b/include/asm-sparc/prom.h
@@ -0,0 +1,98 @@
+#ifndef _SPARC_PROM_H
+#define _SPARC_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 SPARC32 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_name(struct device_node *from,
+        const char *name);
+#define for_each_node_by_name(dn, name) \
+        for (dn = of_find_node_by_name(NULL, name); dn; \
+             dn = of_find_node_by_name(dn, name))
+extern struct device_node *of_find_node_by_type(struct device_node *from,
+        const char *type);
+#define for_each_node_by_type(dn, type) \
+        for (dn = of_find_node_by_type(NULL, type); dn; \
+             dn = of_find_node_by_type(dn, type))
+extern struct device_node *of_find_compatible_node(struct device_node *from,
+        const char *type, const char *compat);
+extern struct device_node *of_find_node_by_path(const char *path);
+extern struct device_node *of_find_node_by_phandle(phandle handle);
+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 int of_device_is_compatible(struct device_node *device, const char *);
+extern void *of_get_property(struct device_node *node, const char *name,
+                             int *lenp);
+extern int of_getintprop_default(struct device_node *np,
+                                 const char *name,
+                                 int def);
+
+extern void prom_build_devicetree(void);
+
+#endif /* __KERNEL__ */
+#endif /* _SPARC_PROM_H */