diff options
author | Thomas Chou <thomas@wytron.com.tw> | 2015-10-27 00:30:22 (GMT) |
---|---|---|
committer | Thomas Chou <thomas@wytron.com.tw> | 2015-11-06 01:14:11 (GMT) |
commit | 1ce61cbbe7b351041b31c59cf7c5d8b056a199ec (patch) | |
tree | 51894d18e724457d06e036c1a62ef4f2f14381a7 /arch/nios2/include | |
parent | ed02c532be690b3d0c3e15c81531785a788fd949 (diff) | |
download | u-boot-1ce61cbbe7b351041b31c59cf7c5d8b056a199ec.tar.xz |
nios2: fix map_physmem to do real cache mapping
Fix the map_physmem() to do real cache mapping.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Acked-by: Marek Vasut <marex@denx.de>
Diffstat (limited to 'arch/nios2/include')
-rw-r--r-- | arch/nios2/include/asm/global_data.h | 1 | ||||
-rw-r--r-- | arch/nios2/include/asm/io.h | 8 |
2 files changed, 7 insertions, 2 deletions
diff --git a/arch/nios2/include/asm/global_data.h b/arch/nios2/include/asm/global_data.h index d6a2cfa..9f3bd00 100644 --- a/arch/nios2/include/asm/global_data.h +++ b/arch/nios2/include/asm/global_data.h @@ -18,6 +18,7 @@ struct arch_global_data { int has_initda; int has_mmu; u32 io_region_base; + u32 mem_region_base; }; #include <asm-generic/global_data.h> diff --git a/arch/nios2/include/asm/io.h b/arch/nios2/include/asm/io.h index e7da35b..007df8d 100644 --- a/arch/nios2/include/asm/io.h +++ b/arch/nios2/include/asm/io.h @@ -18,7 +18,7 @@ static inline void sync(void) * that can be used to access the memory range with the caching * properties specified by "flags". */ -#define MAP_NOCACHE (0) +#define MAP_NOCACHE (1) #define MAP_WRCOMBINE (0) #define MAP_WRBACK (0) #define MAP_WRTHROUGH (0) @@ -26,7 +26,11 @@ static inline void sync(void) static inline void * map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags) { - return (void *)paddr; + DECLARE_GLOBAL_DATA_PTR; + if (flags) + return (void *)(paddr | gd->arch.io_region_base); + else + return (void *)(paddr | gd->arch.mem_region_base); } /* |