Re: [PATCH] MIPS64: 48 bit physaddr support in memory maps

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On 05/13/2015 11:55 AM, Leonid Yegoshin wrote:
Originally, it was set to 40bits only but I6400 has 48bits of physaddr.


Why not go to the architectural limit of 59 bits?


Signed-off-by: Leonid Yegoshin <Leonid.Yegoshin@xxxxxxxxxx>
---
  arch/mips/include/asm/addrspace.h |    2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/mips/include/asm/addrspace.h b/arch/mips/include/asm/addrspace.h
index ba0925c84b75..d54137602ac5 100644
--- a/arch/mips/include/asm/addrspace.h
+++ b/arch/mips/include/asm/addrspace.h
@@ -53,7 +53,7 @@
   */
  #define CPHYSADDR(a)		((_ACAST32_(a)) & 0x1fffffff)
  #define XPHYSADDR(a)		((_ACAST64_(a)) &			\
-				 _CONST64_(0x000000ffffffffff))
+				 _CONST64_(0x0000ffffffffffff))

  #ifdef CONFIG_64BIT


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