[U-Boot] [PATCH 3/3] ppc: Use addrmap in virt_to_phys and map_physmem.
Kumar Gala
galak at kernel.crashing.org
Mon Nov 24 17:47:40 CET 2008
If we have addr map support enabled use the mapping functions to
implement virt_to_phys() and map_physmem().
Signed-off-by: Kumar Gala <galak at kernel.crashing.org>
---
include/asm-ppc/io.h | 12 ++++++++++++
1 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/include/asm-ppc/io.h b/include/asm-ppc/io.h
index c00de45..57ff32c 100644
--- a/include/asm-ppc/io.h
+++ b/include/asm-ppc/io.h
@@ -10,6 +10,10 @@
#include <linux/config.h>
#include <asm/byteorder.h>
+#ifdef CONFIG_ADDR_MAP
+#include <addr_map.h>
+#endif
+
#define SIO_CONFIG_RA 0x398
#define SIO_CONFIG_RD 0x399
@@ -287,7 +291,11 @@ extern inline void out_be32(volatile unsigned __iomem *addr, int val)
static inline void *
map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags)
{
+#ifdef CONFIG_ADDR_MAP
+ return (void *)(addrmap_phys_to_virt(paddr));
+#else
return (void *)((unsigned long)paddr);
+#endif
}
/*
@@ -300,7 +308,11 @@ static inline void unmap_physmem(void *vaddr, unsigned long flags)
static inline phys_addr_t virt_to_phys(void * vaddr)
{
+#ifdef CONFIG_ADDR_MAP
+ return addrmap_phys_to_virt((unsigned int)vaddr);
+#else
return (phys_addr_t)(vaddr);
+#endif
}
#endif
--
1.5.6.5
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