diff options
| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2016-04-29 13:25:57 (GMT) |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2016-05-01 08:32:58 (GMT) |
| commit | 756d08d1ba169ed9eae4d48e9a0af014e86593fc (patch) | |
| tree | 137386f128bb595ac4a56089d46782d00adcde9f /arch | |
| parent | 6cc1a0ee4ce29ad1cbdc622db6f9bc16d3056067 (diff) | |
| download | linux-756d08d1ba169ed9eae4d48e9a0af014e86593fc.tar.xz | |
powerpc/mm: Abstract early MMU init in preparation for radix
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/mmu.h | 20 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/mmu.h | 14 | ||||
| -rw-r--r-- | arch/powerpc/mm/hash_utils_64.c | 6 |
3 files changed, 30 insertions, 10 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/mmu.h b/arch/powerpc/include/asm/book3s/64/mmu.h index 593d9e3..37943f7 100644 --- a/arch/powerpc/include/asm/book3s/64/mmu.h +++ b/arch/powerpc/include/asm/book3s/64/mmu.h @@ -97,5 +97,25 @@ extern int mmu_vmalloc_psize; extern int mmu_vmemmap_psize; extern int mmu_io_psize; +/* MMU initialization */ +extern void hash__early_init_mmu(void); +static inline void early_init_mmu(void) +{ + return hash__early_init_mmu(); +} +extern void hash__early_init_mmu_secondary(void); +static inline void early_init_mmu_secondary(void) +{ + return hash__early_init_mmu_secondary(); +} + +extern void hash__setup_initial_memory_limit(phys_addr_t first_memblock_base, + phys_addr_t first_memblock_size); +static inline void setup_initial_memory_limit(phys_addr_t first_memblock_base, + phys_addr_t first_memblock_size) +{ + return hash__setup_initial_memory_limit(first_memblock_base, + first_memblock_size); +} #endif /* __ASSEMBLY__ */ #endif /* _ASM_POWERPC_BOOK3S_64_MMU_H_ */ diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h index decde4c..34070e9 100644 --- a/arch/powerpc/include/asm/mmu.h +++ b/arch/powerpc/include/asm/mmu.h @@ -122,13 +122,6 @@ static inline void mmu_clear_feature(unsigned long feature) extern unsigned int __start___mmu_ftr_fixup, __stop___mmu_ftr_fixup; -/* MMU initialization */ -extern void early_init_mmu(void); -extern void early_init_mmu_secondary(void); - -extern void setup_initial_memory_limit(phys_addr_t first_memblock_base, - phys_addr_t first_memblock_size); - #ifdef CONFIG_PPC64 /* This is our real memory area size on ppc64 server, on embedded, we * make it match the size our of bolted TLB area @@ -185,6 +178,13 @@ static inline void assert_pte_locked(struct mm_struct *mm, unsigned long addr) #include <asm/book3s/64/mmu.h> #else /* CONFIG_PPC_BOOK3S_64 */ +#ifndef __ASSEMBLY__ +/* MMU initialization */ +extern void early_init_mmu(void); +extern void early_init_mmu_secondary(void); +extern void setup_initial_memory_limit(phys_addr_t first_memblock_base, + phys_addr_t first_memblock_size); +#endif /* __ASSEMBLY__ */ #endif #if defined(CONFIG_PPC_STD_MMU_32) diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index aafc613..e6b53cd 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -868,7 +868,7 @@ static void __init htab_initialize(void) #undef KB #undef MB -void __init early_init_mmu(void) +void __init hash__early_init_mmu(void) { /* * initialize page table size @@ -893,7 +893,7 @@ void __init early_init_mmu(void) } #ifdef CONFIG_SMP -void early_init_mmu_secondary(void) +void hash__early_init_mmu_secondary(void) { /* Initialize hash table for that CPU */ if (!firmware_has_feature(FW_FEATURE_LPAR)) @@ -1635,7 +1635,7 @@ void __kernel_map_pages(struct page *page, int numpages, int enable) } #endif /* CONFIG_DEBUG_PAGEALLOC */ -void setup_initial_memory_limit(phys_addr_t first_memblock_base, +void hash__setup_initial_memory_limit(phys_addr_t first_memblock_base, phys_addr_t first_memblock_size) { /* We don't currently support the first MEMBLOCK not mapping 0 |