diff options
Diffstat (limited to 'arch/loongarch/include/asm/addrspace.h')
| -rw-r--r-- | arch/loongarch/include/asm/addrspace.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/loongarch/include/asm/addrspace.h b/arch/loongarch/include/asm/addrspace.h index e739dbc6329d..d6472cafb32c 100644 --- a/arch/loongarch/include/asm/addrspace.h +++ b/arch/loongarch/include/asm/addrspace.h @@ -38,11 +38,20 @@ extern unsigned long vm_map_base; #endif #ifndef WRITECOMBINE_BASE +#ifdef CONFIG_32BIT +#define WRITECOMBINE_BASE CSR_DMW0_BASE +#else #define WRITECOMBINE_BASE CSR_DMW2_BASE #endif +#endif +#ifdef CONFIG_32BIT +#define DMW_PABITS 29 +#define TO_PHYS_MASK ((_UL(1) << _UL(DMW_PABITS)) - 1) +#else #define DMW_PABITS 48 -#define TO_PHYS_MASK ((1ULL << DMW_PABITS) - 1) +#define TO_PHYS_MASK ((_ULL(1) << _ULL(DMW_PABITS)) - 1) +#endif /* * Memory above this physical address will be considered highmem. @@ -112,7 +121,11 @@ extern unsigned long vm_map_base; /* * Returns the physical address of a KPRANGEx / XKPRANGE address */ +#ifdef CONFIG_32BIT +#define PHYSADDR(a) ((_ACAST32_(a)) & TO_PHYS_MASK) +#else #define PHYSADDR(a) ((_ACAST64_(a)) & TO_PHYS_MASK) +#endif /* * On LoongArch, I/O ports mappring is following: |