diff options
| author | David S. Miller <davem@davemloft.net> | 2009-12-11 01:26:12 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-12-11 01:26:12 -0800 |
| commit | e3f4e1cbc341bc2020241d8119bd078db3ec3b85 (patch) | |
| tree | 8b23624cc792f60d0bf86d787c3514cf0fb04418 /arch/sh/mm/init.c | |
| parent | adfe67ddffbea51322b118896178bd71aaa4b4d8 (diff) | |
| parent | d71cb81af3817193bc605de061da0499934263a6 (diff) | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'arch/sh/mm/init.c')
| -rw-r--r-- | arch/sh/mm/init.c | 19 |
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 */ |