Prepare for upcoming mips64 support. This patch add mips64 address space support.
Signed-off-by: Zhizhou Zhang etou.zh@gmail.com --- arch/mips/include/asm/addrspace.h | 2 +- arch/mips/include/asm/asm.h | 2 +- arch/mips/include/asm/io.h | 16 ++++++++++++++++ arch/mips/include/asm/posix_types.h | 6 ++++++ 4 files changed, 24 insertions(+), 2 deletions(-)
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/asm.h b/arch/mips/include/asm/asm.h index 608cfcf..933ccb1 100644 --- a/arch/mips/include/asm/asm.h +++ b/arch/mips/include/asm/asm.h @@ -401,7 +401,7 @@ symbol = value #ifdef CONFIG_SGI_IP28 /* Inhibit speculative stores to volatile (e.g.DMA) or invalid addresses. */ #include <asm/cacheops.h> -#define R10KCBARRIER(addr) cache Cache_Barrier, addr; +#define R10KCBARRIER(addr) cache CACHE_BARRIER, addr; #else #define R10KCBARRIER(addr) #endif 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;