diff options
Diffstat (limited to 'arch/sparc64/mm/generic.c')
| -rw-r--r-- | arch/sparc64/mm/generic.c | 40 |
1 files changed, 18 insertions, 22 deletions
diff --git a/arch/sparc64/mm/generic.c b/arch/sparc64/mm/generic.c index 580b63da836..5fc5c579e35 100644 --- a/arch/sparc64/mm/generic.c +++ b/arch/sparc64/mm/generic.c @@ -15,15 +15,6 @@ #include <asm/page.h> #include <asm/tlbflush.h> -static inline pte_t mk_pte_io(unsigned long page, pgprot_t prot, int space) -{ - pte_t pte; - pte_val(pte) = (((page) | pgprot_val(prot) | _PAGE_E) & - ~(unsigned long)_PAGE_CACHE); - pte_val(pte) |= (((unsigned long)space) << 32); - return pte; -} - /* Remap IO memory, the same way as remap_pfn_range(), but use * the obio memory space. * @@ -48,24 +39,29 @@ static inline void io_remap_pte_range(struct mm_struct *mm, pte_t * pte, pte_t entry; unsigned long curend = address + PAGE_SIZE; - entry = mk_pte_io(offset, prot, space); + entry = mk_pte_io(offset, prot, space, PAGE_SIZE); if (!(address & 0xffff)) { - if (!(address & 0x3fffff) && !(offset & 0x3ffffe) && end >= address + 0x400000) { - entry = mk_pte_io(offset, - __pgprot(pgprot_val (prot) | _PAGE_SZ4MB), - space); + if (PAGE_SIZE < (4 * 1024 * 1024) && + !(address & 0x3fffff) && + !(offset & 0x3ffffe) && + end >= address + 0x400000) { + entry = mk_pte_io(offset, prot, space, + 4 * 1024 * 1024); curend = address + 0x400000; offset += 0x400000; - } else if (!(address & 0x7ffff) && !(offset & 0x7fffe) && end >= address + 0x80000) { - entry = mk_pte_io(offset, - __pgprot(pgprot_val (prot) | _PAGE_SZ512K), - space); + } else if (PAGE_SIZE < (512 * 1024) && + !(address & 0x7ffff) && + !(offset & 0x7fffe) && + end >= address + 0x80000) { + entry = mk_pte_io(offset, prot, space, + 512 * 1024 * 1024); curend = address + 0x80000; offset += 0x80000; - } else if (!(offset & 0xfffe) && end >= address + 0x10000) { - entry = mk_pte_io(offset, - __pgprot(pgprot_val (prot) | _PAGE_SZ64K), - space); + } else if (PAGE_SIZE < (64 * 1024) && + !(offset & 0xfffe) && + end >= address + 0x10000) { + entry = mk_pte_io(offset, prot, space, + 64 * 1024); curend = address + 0x10000; offset += 0x10000; } else |