Commit fb020350 authored by Markos Chandras's avatar Markos Chandras Committed by Ralf Baechle

MIPS: pgtable-bits: Move the CCA bits out of the core's ifdef blocks

Define all the CCA bits outside the ifdef blocks for specific cores
but also allow cores to override them if necessary.
Signed-off-by: default avatarMarkos Chandras <markos.chandras@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/7400/Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent f4649382
...@@ -224,38 +224,47 @@ static inline uint64_t pte_to_entrylo(unsigned long pte_val) ...@@ -224,38 +224,47 @@ static inline uint64_t pte_to_entrylo(unsigned long pte_val)
#if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX) #if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)
#define _CACHE_CACHABLE_NONCOHERENT 0 #define _CACHE_CACHABLE_NONCOHERENT 0
#define _CACHE_UNCACHED_ACCELERATED _CACHE_UNCACHED
#elif defined(CONFIG_CPU_SB1) #elif defined(CONFIG_CPU_SB1)
/* No penalty for being coherent on the SB1, so just /* No penalty for being coherent on the SB1, so just
use it for "noncoherent" spaces, too. Shouldn't hurt. */ use it for "noncoherent" spaces, too. Shouldn't hurt. */
#define _CACHE_UNCACHED (2<<_CACHE_SHIFT)
#define _CACHE_CACHABLE_COW (5<<_CACHE_SHIFT)
#define _CACHE_CACHABLE_NONCOHERENT (5<<_CACHE_SHIFT) #define _CACHE_CACHABLE_NONCOHERENT (5<<_CACHE_SHIFT)
#define _CACHE_UNCACHED_ACCELERATED (7<<_CACHE_SHIFT)
#elif defined(CONFIG_CPU_LOONGSON3) #elif defined(CONFIG_CPU_LOONGSON3)
/* Using COHERENT flag for NONCOHERENT doesn't hurt. */ /* Using COHERENT flag for NONCOHERENT doesn't hurt. */
#define _CACHE_UNCACHED (2<<_CACHE_SHIFT) /* LOONGSON */
#define _CACHE_CACHABLE_NONCOHERENT (3<<_CACHE_SHIFT) /* LOONGSON */ #define _CACHE_CACHABLE_NONCOHERENT (3<<_CACHE_SHIFT) /* LOONGSON */
#define _CACHE_CACHABLE_COHERENT (3<<_CACHE_SHIFT) /* LOONGSON-3 */ #define _CACHE_CACHABLE_COHERENT (3<<_CACHE_SHIFT) /* LOONGSON-3 */
#define _CACHE_UNCACHED_ACCELERATED (7<<_CACHE_SHIFT) /* LOONGSON */
#else #endif
#define _CACHE_CACHABLE_NO_WA (0<<_CACHE_SHIFT) /* R4600 only */
#define _CACHE_CACHABLE_WA (1<<_CACHE_SHIFT) /* R4600 only */
#define _CACHE_UNCACHED (2<<_CACHE_SHIFT) /* R4[0246]00 */
#define _CACHE_CACHABLE_NONCOHERENT (3<<_CACHE_SHIFT) /* R4[0246]00 */
#define _CACHE_CACHABLE_CE (4<<_CACHE_SHIFT) /* R4[04]00MC only */
#define _CACHE_CACHABLE_COW (5<<_CACHE_SHIFT) /* R4[04]00MC only */
#define _CACHE_CACHABLE_COHERENT (5<<_CACHE_SHIFT) /* MIPS32R2 CMP */
#define _CACHE_CACHABLE_CUW (6<<_CACHE_SHIFT) /* R4[04]00MC only */
#define _CACHE_UNCACHED_ACCELERATED (7<<_CACHE_SHIFT) /* R10000 only */
#ifndef _CACHE_CACHABLE_NO_WA
#define _CACHE_CACHABLE_NO_WA (0<<_CACHE_SHIFT)
#endif
#ifndef _CACHE_CACHABLE_WA
#define _CACHE_CACHABLE_WA (1<<_CACHE_SHIFT)
#endif
#ifndef _CACHE_UNCACHED
#define _CACHE_UNCACHED (2<<_CACHE_SHIFT)
#endif
#ifndef _CACHE_CACHABLE_NONCOHERENT
#define _CACHE_CACHABLE_NONCOHERENT (3<<_CACHE_SHIFT)
#endif
#ifndef _CACHE_CACHABLE_CE
#define _CACHE_CACHABLE_CE (4<<_CACHE_SHIFT)
#endif
#ifndef _CACHE_CACHABLE_COW
#define _CACHE_CACHABLE_COW (5<<_CACHE_SHIFT)
#endif
#ifndef _CACHE_CACHABLE_CUW
#define _CACHE_CACHABLE_CUW (6<<_CACHE_SHIFT)
#endif
#ifndef _CACHE_UNCACHED_ACCELERATED
#define _CACHE_UNCACHED_ACCELERATED (7<<_CACHE_SHIFT)
#endif #endif
#define __READABLE (_PAGE_SILENT_READ | _PAGE_ACCESSED | (cpu_has_rixi ? 0 : _PAGE_READ)) #define __READABLE (_PAGE_SILENT_READ | _PAGE_ACCESSED | (cpu_has_rixi ? 0 : _PAGE_READ))
......
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