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| author | Max Filippov <jcmvbkbc@gmail.com> | 2018-07-11 14:33:41 -0700 |
|---|---|---|
| committer | Max Filippov <jcmvbkbc@gmail.com> | 2018-07-11 15:59:41 -0700 |
| commit | 2cc15e802b250a11ece57ea54f82993cf3430867 (patch) | |
| tree | d67e3892c92e077bebeac05db22765376e8de5c1 /arch/xtensa/include/asm/kmem_layout.h | |
| parent | adbfa4e6f99689511f1079452508d9d22417544c (diff) | |
| download | linux-2cc15e802b250a11ece57ea54f82993cf3430867.tar.bz2 | |
xtensa: platform-specific handling of coherent memory
Memory layout is not fixed for noMMU xtensa configurations. Platforms
that need to use coherent DMA should implement platform_vaddr_* helpers
that check address type (cached/uncached) and convert addresses between
these types.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'arch/xtensa/include/asm/kmem_layout.h')
| -rw-r--r-- | arch/xtensa/include/asm/kmem_layout.h | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/arch/xtensa/include/asm/kmem_layout.h b/arch/xtensa/include/asm/kmem_layout.h index 2317c835a4db..9c12babc016c 100644 --- a/arch/xtensa/include/asm/kmem_layout.h +++ b/arch/xtensa/include/asm/kmem_layout.h @@ -63,12 +63,6 @@ #error XCHAL_KSEG_PADDR is not properly aligned to XCHAL_KSEG_ALIGNMENT #endif -#else - -#define XCHAL_KSEG_CACHED_VADDR __XTENSA_UL_CONST(0xd0000000) -#define XCHAL_KSEG_BYPASS_VADDR __XTENSA_UL_CONST(0xd8000000) -#define XCHAL_KSEG_SIZE __XTENSA_UL_CONST(0x08000000) - #endif #ifndef CONFIG_KASAN |