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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-08 11:50:19 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-08 11:50:19 -0700
commitdf6d3916f3b7b7e2067567a256dd4f0c1ea854a2 (patch)
tree0fdeab1ab5d566605fc99aeb5ea3f621f11e7608 /include/asm-powerpc/pgalloc-32.h
parent74add80cbd7fe246c893b93ee75ac59acdd01dd4 (diff)
parent197686dfe0038fd190326d118b743ff65ad20c0e (diff)
downloadlinux-df6d3916f3b7b7e2067567a256dd4f0c1ea854a2.tar.bz2
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (77 commits) [POWERPC] Abolish powerpc_flash_init() [POWERPC] Early serial debug support for PPC44x [POWERPC] Support for the Ebony 440GP reference board in arch/powerpc [POWERPC] Add device tree for Ebony [POWERPC] Add powerpc/platforms/44x, disable platforms/4xx for now [POWERPC] MPIC U3/U4 MSI backend [POWERPC] MPIC MSI allocator [POWERPC] Enable MSI mappings for MPIC [POWERPC] Tell Phyp we support MSI [POWERPC] RTAS MSI implementation [POWERPC] PowerPC MSI infrastructure [POWERPC] Rip out the existing powerpc msi stubs [POWERPC] Remove use of 4level-fixup.h for ppc32 [POWERPC] Add powerpc PCI-E reset API implementation [POWERPC] Holly bootwrapper [POWERPC] Holly DTS [POWERPC] Holly defconfig [POWERPC] Add support for 750CL Holly board [POWERPC] Generalize tsi108 PCI setup [POWERPC] Generalize tsi108 PHY types ... Fixed conflict in include/asm-powerpc/kdebug.h manually Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-powerpc/pgalloc-32.h')
-rw-r--r--include/asm-powerpc/pgalloc-32.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/include/asm-powerpc/pgalloc-32.h b/include/asm-powerpc/pgalloc-32.h
new file mode 100644
index 000000000000..e1307432163c
--- /dev/null
+++ b/include/asm-powerpc/pgalloc-32.h
@@ -0,0 +1,41 @@
+#ifndef _ASM_POWERPC_PGALLOC_32_H
+#define _ASM_POWERPC_PGALLOC_32_H
+
+#include <linux/threads.h>
+
+extern void __bad_pte(pmd_t *pmd);
+
+extern pgd_t *pgd_alloc(struct mm_struct *mm);
+extern void pgd_free(pgd_t *pgd);
+
+/*
+ * We don't have any real pmd's, and this code never triggers because
+ * the pgd will always be present..
+ */
+/* #define pmd_alloc_one(mm,address) ({ BUG(); ((pmd_t *)2); }) */
+#define pmd_free(x) do { } while (0)
+#define __pmd_free_tlb(tlb,x) do { } while (0)
+/* #define pgd_populate(mm, pmd, pte) BUG() */
+
+#ifndef CONFIG_BOOKE
+#define pmd_populate_kernel(mm, pmd, pte) \
+ (pmd_val(*(pmd)) = __pa(pte) | _PMD_PRESENT)
+#define pmd_populate(mm, pmd, pte) \
+ (pmd_val(*(pmd)) = (page_to_pfn(pte) << PAGE_SHIFT) | _PMD_PRESENT)
+#else
+#define pmd_populate_kernel(mm, pmd, pte) \
+ (pmd_val(*(pmd)) = (unsigned long)pte | _PMD_PRESENT)
+#define pmd_populate(mm, pmd, pte) \
+ (pmd_val(*(pmd)) = (unsigned long)lowmem_page_address(pte) | _PMD_PRESENT)
+#endif
+
+extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr);
+extern struct page *pte_alloc_one(struct mm_struct *mm, unsigned long addr);
+extern void pte_free_kernel(pte_t *pte);
+extern void pte_free(struct page *pte);
+
+#define __pte_free_tlb(tlb, pte) pte_free((pte))
+
+#define check_pgt_cache() do { } while (0)
+
+#endif /* _ASM_POWERPC_PGALLOC_32_H */