提交 756d08d1 编写于 作者: A Aneesh Kumar K.V 提交者: Michael Ellerman

powerpc/mm: Abstract early MMU init in preparation for radix

Signed-off-by: NAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>
上级 6cc1a0ee
......@@ -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_ */
......@@ -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)
......
......@@ -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
......
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