add preliminary LEON support

SVN-Revision: 25139

target/linux/leon/patches/016-ioport_update.patch

@@ -0,0 +1,51 @@
+From 36cad96a50eb877d0c5cb3d8d93c1807ad9c774c Mon Sep 17 00:00:00 2001
+From: Daniel Hellstrom <daniel@gaisler.com>
+Date: Wed, 1 Dec 2010 09:37:23 +0100
+Subject: [PATCH] Fix kristoffers ioport.c patch for more recent kernel.
+
+Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
+---
+ arch/sparc/include/asm/dma-mapping.h |   13 +------------
+ arch/sparc/kernel/ioport.c           |    3 ++-
+ 2 files changed, 3 insertions(+), 13 deletions(-)
+
+--- a/arch/sparc/include/asm/dma-mapping.h
++++ b/arch/sparc/include/asm/dma-mapping.h
+@@ -51,17 +51,6 @@ static inline int dma_mapping_error(stru
+ 	return (dma_addr == DMA_ERROR_CODE);
+ }
+ 
+-static inline int dma_set_mask(struct device *dev, u64 mask)
+-{
+-#ifdef CONFIG_PCI
+-	if (dev->bus == &pci_bus_type) {
+-		if (!dev->dma_mask || !dma_supported(dev, mask))
+-			return -EINVAL;
+-		*dev->dma_mask = mask;
+-		return 0;
+-	}
+-#endif
+-	return -EINVAL;
+-}
++extern int dma_set_mask(struct device *dev, u64 dma_mask);
+ 
+ #endif
+--- a/arch/sparc/kernel/ioport.c
++++ b/arch/sparc/kernel/ioport.c
+@@ -301,7 +301,7 @@ static void *sbus_alloc_coherent(struct
+ 		goto err_nova;
+ 	}
+ #endif
+-	res->name = op->node->name;
++	res->name = op->dev.of_node->name;
+ 
+ 	return (void *)(unsigned long)res->start;
+ 
+@@ -737,6 +737,7 @@ int dma_set_mask(struct device *dev, u64
+ }
+ EXPORT_SYMBOL(dma_set_mask);
+ 
++
+ #ifdef CONFIG_PROC_FS
+ 
+ static int sparc_io_proc_show(struct seq_file *m, void *v)