diff options
author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-03-08 20:21:04 +0000 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-03-08 20:21:04 +0000 |
commit | 988addf82e4c03739375279de73929580a2d4a6a (patch) | |
tree | 989ae1cd4e264bbad80c65f04480486246e7b9f3 /arch/sh/include/asm/mmu.h | |
parent | 004c1c7096659d352b83047a7593e91d8a30e3c5 (diff) | |
parent | 25cf84cf377c0aae5dbcf937ea89bc7893db5176 (diff) |
Merge branch 'origin' into devel-stable
Conflicts:
arch/arm/mach-mx2/devices.c
arch/arm/mach-mx2/devices.h
sound/soc/pxa/pxa-ssp.c
Diffstat (limited to 'arch/sh/include/asm/mmu.h')
-rw-r--r-- | arch/sh/include/asm/mmu.h | 64 |
1 files changed, 44 insertions, 20 deletions
diff --git a/arch/sh/include/asm/mmu.h b/arch/sh/include/asm/mmu.h index c7426ad9926..19fe84550b4 100644 --- a/arch/sh/include/asm/mmu.h +++ b/arch/sh/include/asm/mmu.h @@ -11,7 +11,9 @@ #define PMB_ADDR 0xf6100000 #define PMB_DATA 0xf7100000 -#define PMB_ENTRY_MAX 16 + +#define NR_PMB_ENTRIES 16 + #define PMB_E_MASK 0x0000000f #define PMB_E_SHIFT 8 @@ -25,11 +27,15 @@ #define PMB_C 0x00000008 #define PMB_WT 0x00000001 #define PMB_UB 0x00000200 +#define PMB_CACHE_MASK (PMB_C | PMB_WT | PMB_UB) #define PMB_V 0x00000100 #define PMB_NO_ENTRY (-1) #ifndef __ASSEMBLY__ +#include <linux/errno.h> +#include <linux/threads.h> +#include <asm/page.h> /* Default "unsigned long" context */ typedef unsigned long mm_context_id_t[NR_CPUS]; @@ -47,29 +53,47 @@ typedef struct { #endif } mm_context_t; -struct pmb_entry; +#ifdef CONFIG_PMB +/* arch/sh/mm/pmb.c */ +bool __in_29bit_mode(void); + +void pmb_init(void); +int pmb_bolt_mapping(unsigned long virt, phys_addr_t phys, + unsigned long size, pgprot_t prot); +void __iomem *pmb_remap_caller(phys_addr_t phys, unsigned long size, + pgprot_t prot, void *caller); +int pmb_unmap(void __iomem *addr); -struct pmb_entry { - unsigned long vpn; - unsigned long ppn; - unsigned long flags; +#else - /* - * 0 .. NR_PMB_ENTRIES for specific entry selection, or - * PMB_NO_ENTRY to search for a free one - */ - int entry; +static inline void __iomem * +pmb_remap_caller(phys_addr_t phys, unsigned long size, + pgprot_t prot, void *caller) +{ + return NULL; +} - struct pmb_entry *next; - /* Adjacent entry link for contiguous multi-entry mappings */ - struct pmb_entry *link; -}; +static inline int pmb_unmap(void __iomem *addr) +{ + return -EINVAL; +} + +#define pmb_init(addr) do { } while (0) + +#ifdef CONFIG_29BIT +#define __in_29bit_mode() (1) +#else +#define __in_29bit_mode() (0) +#endif + +#endif /* CONFIG_PMB */ + +static inline void __iomem * +pmb_remap(phys_addr_t phys, unsigned long size, pgprot_t prot) +{ + return pmb_remap_caller(phys, size, prot, __builtin_return_address(0)); +} -/* arch/sh/mm/pmb.c */ -long pmb_remap(unsigned long virt, unsigned long phys, - unsigned long size, unsigned long flags); -void pmb_unmap(unsigned long addr); -int pmb_init(void); #endif /* __ASSEMBLY__ */ #endif /* __MMU_H */ |