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authorDavid S. Miller <davem@davemloft.net>2006-06-30 01:35:33 +0400
committerDavid S. Miller <davem@sunset.davemloft.net>2006-06-30 03:37:16 +0400
commit3ca9fab410fbef6fc3a13284f5c26faccade21d1 (patch)
tree91b4c38077db397bec0ff85f1c89c9f869b3970f
parent95714e12dfb4794ee120f058fdf763e61baaad82 (diff)
downloadlinux-3ca9fab410fbef6fc3a13284f5c26faccade21d1.tar.xz
[SPARC]: Add of_io{remap,unmap}().
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--arch/sparc/kernel/ioport.c17
-rw-r--r--arch/sparc64/kernel/of_device.c17
-rw-r--r--include/asm-sparc/of_device.h3
-rw-r--r--include/asm-sparc64/of_device.h3
4 files changed, 40 insertions, 0 deletions
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index 79d177149fdb..8654b446ac9e 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -26,6 +26,7 @@
*/
#include <linux/config.h>
+#include <linux/module.h>
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/errno.h>
@@ -40,6 +41,7 @@
#include <asm/vaddrs.h>
#include <asm/oplib.h>
#include <asm/prom.h>
+#include <asm/of_device.h>
#include <asm/sbus.h>
#include <asm/page.h>
#include <asm/pgalloc.h>
@@ -143,6 +145,21 @@ void __iomem *sbus_ioremap(struct resource *phyres, unsigned long offset,
phyres->start + offset, size, name);
}
+void __iomem *of_ioremap(struct resource *res, unsigned long offset,
+ unsigned long size, char *name)
+{
+ return _sparc_alloc_io(res->flags & 0xF,
+ res->start + offset,
+ size, name);
+}
+EXPORT_SYMBOL(of_ioremap);
+
+void of_iounmap(void __iomem *base, unsigned long size)
+{
+ iounmap(base);
+}
+EXPORT_SYMBOL(of_iounmap);
+
/*
*/
void sbus_iounmap(volatile void __iomem *addr, unsigned long size)
diff --git a/arch/sparc64/kernel/of_device.c b/arch/sparc64/kernel/of_device.c
index 00502dc280ef..9812cfa6dd36 100644
--- a/arch/sparc64/kernel/of_device.c
+++ b/arch/sparc64/kernel/of_device.c
@@ -129,6 +129,23 @@ static int of_device_resume(struct device * dev)
return error;
}
+void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned long size, char *name)
+{
+ unsigned long ret = res->start + offset;
+
+ if (!request_region(ret, size, name))
+ ret = 0;
+
+ return (void __iomem *) ret;
+}
+EXPORT_SYMBOL(of_ioremap);
+
+void of_iounmap(void __iomem *base, unsigned long size)
+{
+ release_region((unsigned long) base, size);
+}
+EXPORT_SYMBOL(of_iounmap);
+
#ifdef CONFIG_PCI
struct bus_type isa_bus_type = {
.name = "isa",
diff --git a/include/asm-sparc/of_device.h b/include/asm-sparc/of_device.h
index 1b43ee5eb5e7..b5ca3145d48b 100644
--- a/include/asm-sparc/of_device.h
+++ b/include/asm-sparc/of_device.h
@@ -31,6 +31,9 @@ struct of_device
};
#define to_of_device(d) container_of(d, struct of_device, dev)
+extern void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned long size, char *name);
+extern void of_iounmap(void __iomem *base, unsigned long size);
+
extern const struct of_device_id *of_match_device(
const struct of_device_id *matches, const struct of_device *dev);
diff --git a/include/asm-sparc64/of_device.h b/include/asm-sparc64/of_device.h
index 27bc08671d68..37c5856fae12 100644
--- a/include/asm-sparc64/of_device.h
+++ b/include/asm-sparc64/of_device.h
@@ -32,6 +32,9 @@ struct of_device
};
#define to_of_device(d) container_of(d, struct of_device, dev)
+extern void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned long size, char *name);
+extern void of_iounmap(void __iomem *base, unsigned long size);
+
extern const struct of_device_id *of_match_device(
const struct of_device_id *matches, const struct of_device *dev);