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| author | Baruch Siach <baruch@tkos.co.il> | 2013-11-17 08:14:54 +0200 |
|---|---|---|
| committer | Max Filippov <jcmvbkbc@gmail.com> | 2014-01-15 00:21:24 +0400 |
| commit | 4809bb468f140d561dfbb785e8dcdda5bae8c1f2 (patch) | |
| tree | 592d396d2c2f03d6e3d0dc95f4a856cb83f4e4eb /arch/xtensa | |
| parent | 5f42146e7599e120ee3f5b07d03ea45c633a955a (diff) | |
| download | linux-4809bb468f140d561dfbb785e8dcdda5bae8c1f2.tar.gz linux-4809bb468f140d561dfbb785e8dcdda5bae8c1f2.tar.bz2 linux-4809bb468f140d561dfbb785e8dcdda5bae8c1f2.zip | |
xtensa: avoid duplicate of IO range definitions
Define IO addresses in a single place, to make it easier to change for
non-standard memory maps.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'arch/xtensa')
| -rw-r--r-- | arch/xtensa/include/asm/initialize_mmu.h | 8 | ||||
| -rw-r--r-- | arch/xtensa/include/asm/io.h | 6 | ||||
| -rw-r--r-- | arch/xtensa/include/asm/vectors.h | 5 |
3 files changed, 10 insertions, 9 deletions
diff --git a/arch/xtensa/include/asm/initialize_mmu.h b/arch/xtensa/include/asm/initialize_mmu.h index 722553f17db3..a2078a2e5476 100644 --- a/arch/xtensa/include/asm/initialize_mmu.h +++ b/arch/xtensa/include/asm/initialize_mmu.h @@ -123,13 +123,13 @@ wdtlb a4, a5 witlb a4, a5 - movi a5, 0xe0000006 - movi a4, 0xf0000000 + CA_WRITEBACK + movi a5, XCHAL_KIO_CACHED_VADDR + 6 + movi a4, XCHAL_KIO_PADDR + CA_WRITEBACK wdtlb a4, a5 witlb a4, a5 - movi a5, 0xf0000006 - movi a4, 0xf0000000 + CA_BYPASS + movi a5, XCHAL_KIO_BYPASS_VADDR + 6 + movi a4, XCHAL_KIO_PADDR + CA_BYPASS wdtlb a4, a5 witlb a4, a5 diff --git a/arch/xtensa/include/asm/io.h b/arch/xtensa/include/asm/io.h index 700c2e6f2d25..1482a3636381 100644 --- a/arch/xtensa/include/asm/io.h +++ b/arch/xtensa/include/asm/io.h @@ -14,16 +14,12 @@ #ifdef __KERNEL__ #include <asm/byteorder.h> #include <asm/page.h> +#include <asm/vectors.h> #include <linux/bug.h> #include <linux/kernel.h> #include <linux/types.h> -#define XCHAL_KIO_CACHED_VADDR 0xe0000000 -#define XCHAL_KIO_BYPASS_VADDR 0xf0000000 -#define XCHAL_KIO_PADDR 0xf0000000 -#define XCHAL_KIO_SIZE 0x10000000 - #define IOADDR(x) (XCHAL_KIO_BYPASS_VADDR + (x)) #define IO_SPACE_LIMIT ~0 diff --git a/arch/xtensa/include/asm/vectors.h b/arch/xtensa/include/asm/vectors.h index 37e073b21a50..221a60d804d5 100644 --- a/arch/xtensa/include/asm/vectors.h +++ b/arch/xtensa/include/asm/vectors.h @@ -20,6 +20,11 @@ #include <variant/core.h> +#define XCHAL_KIO_CACHED_VADDR 0xe0000000 +#define XCHAL_KIO_BYPASS_VADDR 0xf0000000 +#define XCHAL_KIO_PADDR 0xf0000000 +#define XCHAL_KIO_SIZE 0x10000000 + #if defined(CONFIG_MMU) /* Will Become VECBASE */ |