This creates drivers/of/base.c (depending on CONFIG_OF) and puts
the first trivially common bits from the prom.c files into it.
Signed-off-by: Stephen Rothwell <[EMAIL PROTECTED]>
---
arch/powerpc/Kconfig | 3 ++
arch/powerpc/kernel/prom.c | 42 ----------------------------
arch/sparc/Kconfig | 3 ++
arch/sparc/kernel/prom.c | 42 ----------------------------
arch/sparc64/Kconfig | 3 ++
arch/sparc64/kernel/prom.c | 42 ----------------------------
drivers/Makefile | 1 +
drivers/of/Makefile | 1 +
drivers/of/base.c | 65 ++++++++++++++++++++++++++++++++++++++++++++
include/asm-powerpc/prom.h | 3 ++
include/asm-sparc/prom.h | 3 ++
include/asm-sparc64/prom.h | 3 ++
12 files changed, 85 insertions(+), 126 deletions(-)
create mode 100644 drivers/of/Makefile
create mode 100644 drivers/of/base.c
--
Cheers,
Stephen Rothwell [EMAIL PROTECTED]
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index a54a9a2..1a78c01 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -99,6 +99,9 @@ config ARCH_MAY_HAVE_PC_FDC
config PPC_OF
def_bool y
+config OF
+ def_bool y
+
config PPC_UDBG_16550
bool
default n
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index caef555..d701e89 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -1042,36 +1042,6 @@ void __init early_init_devtree(void *params)
#undef printk
-int of_n_addr_cells(struct device_node* np)
-{
- const int *ip;
- do {
- if (np->parent)
- np = np->parent;
- ip = of_get_property(np, "#address-cells", NULL);
- if (ip != NULL)
- return *ip;
- } while (np->parent);
- /* No #address-cells property for the root node, default to 1 */
- return 1;
-}
-EXPORT_SYMBOL(of_n_addr_cells);
-
-int of_n_size_cells(struct device_node* np)
-{
- const int* ip;
- do {
- if (np->parent)
- np = np->parent;
- ip = of_get_property(np, "#size-cells", NULL);
- if (ip != NULL)
- return *ip;
- } while (np->parent);
- /* No #size-cells property for the root node, default to 1 */
- return 1;
-}
-EXPORT_SYMBOL(of_n_size_cells);
-
/** Checks if the given "compat" string matches one of the strings in
* the device's "compatible" property
*/
@@ -1529,18 +1499,6 @@ struct property *of_find_property(const struct
device_node *np,
EXPORT_SYMBOL(of_find_property);
/*
- * Find a property with a given name for a given node
- * and return the value.
- */
-const void *of_get_property(const struct device_node *np, const char *name,
- int *lenp)
-{
- struct property *pp = of_find_property(np,name,lenp);
- return pp ? pp->value : NULL;
-}
-EXPORT_SYMBOL(of_get_property);
-
-/*
* Add a property to a node
*/
int prom_add_property(struct device_node* np, struct property* prop)
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index bd992c0..23bcc7e 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -21,6 +21,9 @@ config GENERIC_ISA_DMA
bool
default y
+config OF
+ def_bool y
+
source "init/Kconfig"
menu "General machine setup"
diff --git a/arch/sparc/kernel/prom.c b/arch/sparc/kernel/prom.c
index eed140b..ac3f3c2 100644
--- a/arch/sparc/kernel/prom.c
+++ b/arch/sparc/kernel/prom.c
@@ -168,18 +168,6 @@ struct property *of_find_property(const struct device_node
*np,
}
EXPORT_SYMBOL(of_find_property);
-/*
- * Find a property with a given name for a given node
- * and return the value.
- */
-const void *of_get_property(const struct device_node *np, const char *name,
- int *lenp)
-{
- struct property *pp = of_find_property(np,name,lenp);
- return pp ? pp->value : NULL;
-}
-EXPORT_SYMBOL(of_get_property);
-
int of_getintprop_default(struct device_node *np, const char *name, int def)
{
struct property *prop;
@@ -193,36 +181,6 @@ int of_getintprop_default(struct device_node *np, const
char *name, int def)
}
EXPORT_SYMBOL(of_getintprop_default);
-int of_n_addr_cells(struct device_node *np)
-{
- const int* ip;
- do {
- if (np->parent)
- np = np->parent;
- ip = of_get_property(np, "#address-cells", NULL);
- if (ip != NULL)
- return *ip;
- } while (np->parent);
- /* No #address-cells property for the root node, default to 2 */
- return 2;
-}
-EXPORT_SYMBOL(of_n_addr_cells);
-
-int of_n_size_cells(struct device_node *np)
-{
- const int* ip;
- do {
- if (np->parent)
- np = np->parent;
- ip = of_get_property(np, "#size-cells", NULL);
- if (ip != NULL)
- return *ip;
- } while (np->parent);
- /* No #size-cells property for the root node, default to 1 */
- return 1;
-}
-EXPORT_SYMBOL(of_n_size_cells);
-
int of_set_property(struct device_node *dp, const char *name, void *val, int
len)
{
struct property **prevp;
diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig
index 590a41b..45a7bec 100644
--- a/arch/sparc64/Kconfig
+++ b/arch/sparc64/Kconfig
@@ -58,6 +58,9 @@ config AUDIT_ARCH
bool
default y
+config OF
+ def_bool y
+
choice
prompt "Kernel page size"
default SPARC64_PAGE_SIZE_8KB
diff --git a/arch/sparc64/kernel/prom.c b/arch/sparc64/kernel/prom.c
index 5e1fcd0..7ef5488 100644
--- a/arch/sparc64/kernel/prom.c
+++ b/arch/sparc64/kernel/prom.c
@@ -172,18 +172,6 @@ struct property *of_find_property(const struct device_node
*np,
}
EXPORT_SYMBOL(of_find_property);
-/*
- * Find a property with a given name for a given node
- * and return the value.
- */
-const void *of_get_property(const struct device_node *np, const char *name,
- int *lenp)
-{
- struct property *pp = of_find_property(np,name,lenp);
- return pp ? pp->value : NULL;
-}
-EXPORT_SYMBOL(of_get_property);
-
int of_getintprop_default(struct device_node *np, const char *name, int def)
{
struct property *prop;
@@ -197,36 +185,6 @@ int of_getintprop_default(struct device_node *np, const
char *name, int def)
}
EXPORT_SYMBOL(of_getintprop_default);
-int of_n_addr_cells(struct device_node *np)
-{
- const int* ip;
- do {
- if (np->parent)
- np = np->parent;
- ip = of_get_property(np, "#address-cells", NULL);
- if (ip != NULL)
- return *ip;
- } while (np->parent);
- /* No #address-cells property for the root node, default to 2 */
- return 2;
-}
-EXPORT_SYMBOL(of_n_addr_cells);
-
-int of_n_size_cells(struct device_node *np)
-{
- const int* ip;
- do {
- if (np->parent)
- np = np->parent;
- ip = of_get_property(np, "#size-cells", NULL);
- if (ip != NULL)
- return *ip;
- } while (np->parent);
- /* No #size-cells property for the root node, default to 1 */
- return 1;
-}
-EXPORT_SYMBOL(of_n_size_cells);
-
int of_set_property(struct device_node *dp, const char *name, void *val, int
len)
{
struct property **prevp;
diff --git a/drivers/Makefile b/drivers/Makefile
index 920c975..2065b99 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -80,3 +80,4 @@ obj-$(CONFIG_GENERIC_TIME) += clocksource/
obj-$(CONFIG_DMA_ENGINE) += dma/
obj-$(CONFIG_HID) += hid/
obj-$(CONFIG_PPC_PS3) += ps3/
+obj-$(CONFIG_OF) += of/
diff --git a/drivers/of/Makefile b/drivers/of/Makefile
new file mode 100644
index 0000000..cddbe84
--- /dev/null
+++ b/drivers/of/Makefile
@@ -0,0 +1 @@
+obj-y = base.o
diff --git a/drivers/of/base.c b/drivers/of/base.c
new file mode 100644
index 0000000..723d80d
--- /dev/null
+++ b/drivers/of/base.c
@@ -0,0 +1,65 @@
+/*
+ * Procedures for creating, accessing and interpreting the device tree.
+ *
+ * Paul Mackerras August 1996.
+ * Copyright (C) 1996-2005 Paul Mackerras.
+ *
+ * Adapted for 64bit PowerPC by Dave Engebretsen and Peter Bergner.
+ * {engebret|[EMAIL PROTECTED]
+ *
+ * Adapted for sparc and sparc64 by David S. Miller [EMAIL PROTECTED]
+ *
+ * Reconsolidated from arch/x/kernel/prom.c by Stephen Rothwell.
+ *
+ * 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/module.h>
+#include <linux/of.h>
+
+int of_n_addr_cells(struct device_node *np)
+{
+ const int *ip;
+
+ do {
+ if (np->parent)
+ np = np->parent;
+ ip = of_get_property(np, "#address-cells", NULL);
+ if (ip)
+ return *ip;
+ } while (np->parent);
+ /* No #address-cells property for the root node */
+ return OF_ROOT_NODE_ADDR_CELLS_DEFAULT;
+}
+EXPORT_SYMBOL(of_n_addr_cells);
+
+int of_n_size_cells(struct device_node *np)
+{
+ const int *ip;
+
+ do {
+ if (np->parent)
+ np = np->parent;
+ ip = of_get_property(np, "#size-cells", NULL);
+ if (ip)
+ return *ip;
+ } while (np->parent);
+ /* No #size-cells property for the root node */
+ return OF_ROOT_NODE_SIZE_CELLS_DEFAULT;
+}
+EXPORT_SYMBOL(of_n_size_cells);
+
+/*
+ * Find a property with a given name for a given node
+ * and return the value.
+ */
+const void *of_get_property(const struct device_node *np, const char *name,
+ int *lenp)
+{
+ struct property *pp = of_find_property(np, name, lenp);
+
+ return pp ? pp->value : NULL;
+}
+EXPORT_SYMBOL(of_get_property);
diff --git a/include/asm-powerpc/prom.h b/include/asm-powerpc/prom.h
index 7c77ef1..4c28c2c 100644
--- a/include/asm-powerpc/prom.h
+++ b/include/asm-powerpc/prom.h
@@ -22,6 +22,9 @@
#include <asm/atomic.h>
#include <asm/io.h>
+#define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 1
+#define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1
+
/* Definitions used by the flattened device tree */
#define OF_DT_HEADER 0xd00dfeed /* marker */
#define OF_DT_BEGIN_NODE 0x1 /* Start of node, full name */
diff --git a/include/asm-sparc/prom.h b/include/asm-sparc/prom.h
index 1e0e9da..b307471 100644
--- a/include/asm-sparc/prom.h
+++ b/include/asm-sparc/prom.h
@@ -20,6 +20,9 @@
#include <linux/proc_fs.h>
#include <asm/atomic.h>
+#define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 2
+#define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1
+
typedef u32 phandle;
typedef u32 ihandle;
diff --git a/include/asm-sparc64/prom.h b/include/asm-sparc64/prom.h
index 288d78d..12bb084 100644
--- a/include/asm-sparc64/prom.h
+++ b/include/asm-sparc64/prom.h
@@ -20,6 +20,9 @@
#include <linux/proc_fs.h>
#include <asm/atomic.h>
+#define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 2
+#define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1
+
typedef u32 phandle;
typedef u32 ihandle;
--
1.5.1.2
-
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