Prepare for upcoming mips64 support. This patch add mips64 address
support.
Signed-off-by: Zhizhou Zhang <etou...@gmail.com>
---
arch/mips/include/asm/addrspace.h | 2 +-
arch/mips/include/asm/io.h | 16 ++++++++++++++++
arch/mips/include/asm/posix_types.h | 6 ++++++
3 files changed, 23 insertions(+), 1 deletion(-)
diff --git a/arch/mips/include/asm/addrspace.h
b/arch/mips/include/asm/addrspace.h
index 3a1e6d6..b768bb5 100644
--- a/arch/mips/include/asm/addrspace.h
+++ b/arch/mips/include/asm/addrspace.h
@@ -136,7 +136,7 @@
cannot access physical memory directly from core */
#define UNCACHED_SDRAM(a) (((unsigned long)(a)) | 0x20000000)
#else /* !CONFIG_SOC_AU1X00 */
-#define UNCACHED_SDRAM(a) KSEG1ADDR(a)
+#define UNCACHED_SDRAM(a) CKSEG1ADDR(a)
#endif /* CONFIG_SOC_AU1X00 */
#endif /* __ASSEMBLY__ */
diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h
index 025012a..80eab75 100644
--- a/arch/mips/include/asm/io.h
+++ b/arch/mips/include/asm/io.h
@@ -120,12 +120,20 @@ static inline void set_io_port_base(unsigned long base)
*/
extern inline phys_addr_t virt_to_phys(volatile void * address)
{
+#ifndef CONFIG_64BIT
return CPHYSADDR(address);
+#else
+ return XPHYSADDR(address);
+#endif
}
extern inline void * phys_to_virt(unsigned long address)
{
+#ifndef CONFIG_64BIT
return (void *)KSEG0ADDR(address);
+#else
+ return (void *)CKSEG0ADDR(address);
+#endif
}
/*
@@ -133,12 +141,20 @@ extern inline void * phys_to_virt(unsigned long address)
*/
extern inline unsigned long virt_to_bus(volatile void * address)
{
+#ifndef CONFIG_64BIT
return CPHYSADDR(address);
+#else
+ return XPHYSADDR(address);
+#endif
}
extern inline void * bus_to_virt(unsigned long address)
{
+#ifndef CONFIG_64BIT
return (void *)KSEG0ADDR(address);
+#else
+ return (void *)CKSEG0ADDR(address);
+#endif
}
/*
diff --git a/arch/mips/include/asm/posix_types.h
b/arch/mips/include/asm/posix_types.h
index 879aae2..6566ad0 100644
--- a/arch/mips/include/asm/posix_types.h
+++ b/arch/mips/include/asm/posix_types.h
@@ -24,9 +24,15 @@ typedef int __kernel_pid_t;
typedef int __kernel_ipc_pid_t;
typedef int __kernel_uid_t;
typedef int __kernel_gid_t;
+#ifndef CONFIG_MIPS64
typedef unsigned int __kernel_size_t;
typedef int __kernel_ssize_t;
typedef int __kernel_ptrdiff_t;
+#else
+typedef unsigned long __kernel_size_t;
+typedef long __kernel_ssize_t;
+typedef long __kernel_ptrdiff_t;
+#endif
typedef long __kernel_time_t;
typedef long __kernel_suseconds_t;
typedef long __kernel_clock_t;
--
1.7.9.5
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