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authorPaul Mundt <lethal@linux-sh.org>2009-12-08 15:47:12 +0900
committerPaul Mundt <lethal@linux-sh.org>2009-12-08 15:47:12 +0900
commit6424db52e24e8cdf89917fa3c10395116440160e (patch)
treebd923d78f90addb080abc82f3bff6ca5c9bf10b4 /arch/sh/mm/init.c
parent09a072947791088b88ae15111cf68fc5aaaf758d (diff)
parent6a5a0b9139b19dd1a107870269a35bc9cf18d2dc (diff)
downloadblackbird-op-linux-6424db52e24e8cdf89917fa3c10395116440160e.tar.gz
blackbird-op-linux-6424db52e24e8cdf89917fa3c10395116440160e.zip
Merge branch 'master' into sh/hw-breakpoints
Conflict between FPU thread flag migration and debug thread flag addition. Conflicts: arch/sh/include/asm/thread_info.h arch/sh/include/asm/ubc.h arch/sh/kernel/process_32.c
Diffstat (limited to 'arch/sh/mm/init.c')
-rw-r--r--arch/sh/mm/init.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index 8173e38afd38..432acd07e76a 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -15,6 +15,7 @@
#include <linux/pagemap.h>
#include <linux/percpu.h>
#include <linux/io.h>
+#include <linux/dma-mapping.h>
#include <asm/mmu_context.h>
#include <asm/tlb.h>
#include <asm/cacheflush.h>
@@ -186,11 +187,21 @@ void __init paging_init(void)
set_fixmap_nocache(FIX_UNCACHED, __pa(&__uncached_start));
}
+/*
+ * Early initialization for any I/O MMUs we might have.
+ */
+static void __init iommu_init(void)
+{
+ no_iommu_init();
+}
+
void __init mem_init(void)
{
int codesize, datasize, initsize;
int nid;
+ iommu_init();
+
num_physpages = 0;
high_memory = NULL;
@@ -323,4 +334,12 @@ int memory_add_physaddr_to_nid(u64 addr)
}
EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid);
#endif
+
#endif /* CONFIG_MEMORY_HOTPLUG */
+
+#ifdef CONFIG_PMB
+int __in_29bit_mode(void)
+{
+ return !(ctrl_inl(PMB_PASCR) & PASCR_SE);
+}
+#endif /* CONFIG_PMB */
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