diff options
| author | Becky Bruce <becky.bruce@freescale.com> | 2008-06-14 09:41:42 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-06-30 22:31:03 +1000 |
| commit | 7c5c4325d2d911fe54db3bc14149bfa558ae0acb (patch) | |
| tree | 97c02e9d03bbbb1fff89e9e44eef1e53762e823e /arch/powerpc/mm | |
| parent | bf2737f74ffd36f43c6ed11cd2c0826e1d59ad48 (diff) | |
powerpc: Change BAT code to use phys_addr_t
Currently, the physical address is an unsigned long, but it should
be phys_addr_t in set_bat, [v/p]_mapped_by_bat. Also, create a
macro that can convert a large physical address into the correct
format for programming the BAT registers.
Signed-off-by: Becky Bruce <becky.bruce@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/mm')
| -rw-r--r-- | arch/powerpc/mm/mmu_decl.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/mm/pgtable_32.c | 6 | ||||
| -rw-r--r-- | arch/powerpc/mm/ppc_mmu_32.c | 10 |
3 files changed, 9 insertions, 9 deletions
diff --git a/arch/powerpc/mm/mmu_decl.h b/arch/powerpc/mm/mmu_decl.h index 04802252a64..46585b7bb19 100644 --- a/arch/powerpc/mm/mmu_decl.h +++ b/arch/powerpc/mm/mmu_decl.h @@ -29,7 +29,7 @@ extern void hash_preload(struct mm_struct *mm, unsigned long ea, #ifdef CONFIG_PPC32 extern void mapin_ram(void); extern int map_page(unsigned long va, phys_addr_t pa, int flags); -extern void setbat(int index, unsigned long virt, unsigned long phys, +extern void setbat(int index, unsigned long virt, phys_addr_t phys, unsigned int size, int flags); extern void settlbcam(int index, unsigned long virt, phys_addr_t phys, unsigned int size, int flags, unsigned int pid); diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c index e0ff59f2113..c7584072dfc 100644 --- a/arch/powerpc/mm/pgtable_32.c +++ b/arch/powerpc/mm/pgtable_32.c @@ -53,9 +53,9 @@ extern void hash_page_sync(void); #endif #ifdef HAVE_BATS -extern unsigned long v_mapped_by_bats(unsigned long va); -extern unsigned long p_mapped_by_bats(unsigned long pa); -void setbat(int index, unsigned long virt, unsigned long phys, +extern phys_addr_t v_mapped_by_bats(unsigned long va); +extern unsigned long p_mapped_by_bats(phys_addr_t pa); +void setbat(int index, unsigned long virt, phys_addr_t phys, unsigned int size, int flags); #else /* !HAVE_BATS */ diff --git a/arch/powerpc/mm/ppc_mmu_32.c b/arch/powerpc/mm/ppc_mmu_32.c index cef9f156874..55ec17ed8d7 100644 --- a/arch/powerpc/mm/ppc_mmu_32.c +++ b/arch/powerpc/mm/ppc_mmu_32.c @@ -46,13 +46,13 @@ union ubat { /* BAT register values to be loaded */ struct batrange { /* stores address ranges mapped by BATs */ unsigned long start; unsigned long limit; - unsigned long phys; + phys_addr_t phys; } bat_addrs[8]; /* * Return PA for this VA if it is mapped by a BAT, or 0 */ -unsigned long v_mapped_by_bats(unsigned long va) +phys_addr_t v_mapped_by_bats(unsigned long va) { int b; for (b = 0; b < 4; ++b) @@ -64,7 +64,7 @@ unsigned long v_mapped_by_bats(unsigned long va) /* * Return VA for a given PA or 0 if not mapped */ -unsigned long p_mapped_by_bats(unsigned long pa) +unsigned long p_mapped_by_bats(phys_addr_t pa) { int b; for (b = 0; b < 4; ++b) @@ -119,7 +119,7 @@ unsigned long __init mmu_mapin_ram(void) * The parameters are not checked; in particular size must be a power * of 2 between 128k and 256M. */ -void __init setbat(int index, unsigned long virt, unsigned long phys, +void __init setbat(int index, unsigned long virt, phys_addr_t phys, unsigned int size, int flags) { unsigned int bl; @@ -138,7 +138,7 @@ void __init setbat(int index, unsigned long virt, unsigned long phys, | _PAGE_COHERENT | _PAGE_GUARDED); wimgxpp |= (flags & _PAGE_RW)? BPP_RW: BPP_RX; bat[1].word[0] = virt | (bl << 2) | 2; /* Vs=1, Vp=0 */ - bat[1].word[1] = phys | wimgxpp; + bat[1].word[1] = BAT_PHYS_ADDR(phys) | wimgxpp; #ifndef CONFIG_KGDB /* want user access for breakpoints */ if (flags & _PAGE_USER) #endif |