1 #ifndef _ASM_POWERPC_PAGE_32_H
2 #define _ASM_POWERPC_PAGE_32_H
4 #if defined(CONFIG_PHYSICAL_ALIGN) && (CONFIG_PHYSICAL_START != 0)
5 #if (CONFIG_PHYSICAL_START % CONFIG_PHYSICAL_ALIGN) != 0
6 #error "CONFIG_PHYSICAL_START must be a multiple of CONFIG_PHYSICAL_ALIGN"
10 #define VM_DATA_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS32
12 #ifdef CONFIG_NOT_COHERENT_CACHE
13 #define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES
18 * The basic type of a PTE - 64 bits for those CPUs with > 32 bit
19 * physical addressing. For now this just the IBM PPC440.
21 #ifdef CONFIG_PTE_64BIT
22 typedef unsigned long long pte_basic_t;
23 #define PTE_SHIFT (PAGE_SHIFT - 3) /* 512 ptes per page */
25 typedef unsigned long pte_basic_t;
26 #define PTE_SHIFT (PAGE_SHIFT - 2) /* 1024 ptes per page */
30 extern void clear_pages(void *page, int order);
31 static inline void clear_page(void *page) { clear_pages(page, 0); }
32 extern void copy_page(void *to, void *from);
34 #include <asm-generic/page.h>
36 #endif /* __ASSEMBLY__ */
38 #endif /* _ASM_POWERPC_PAGE_32_H */