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authorLinus Torvalds <torvalds@linux-foundation.org>2011-03-17 10:11:25 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-17 10:11:25 -0700
commit7b7adc4a016a1decb806eb71ecab98721fa7f146 (patch)
tree0a6f9a6e5659faa94604fbc575382a18f143c657 /arch/unicore32/mm/mm.h
parentMerge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6 (diff)
parentunicore32: rewrite arch-specific tlb.h to use asm-generic version (diff)
downloadlinux-dev-7b7adc4a016a1decb806eb71ecab98721fa7f146.tar.xz
linux-dev-7b7adc4a016a1decb806eb71ecab98721fa7f146.zip
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/epip/linux-2.6-unicore32
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/epip/linux-2.6-unicore32: (40 commits) unicore32: rewrite arch-specific tlb.h to use asm-generic version unicore32: modify io_p2v and io_v2p macros, and adjust PKUNITY_mmio_BASEs unicore32: replace unicore32-specific iomap functions with generic lib implementation unicore32 machine related: add frame buffer driver for pkunity-v3 soc unicore32 machine related files: add i2c bus drivers for pkunity-v3 soc unicore32 io: redefine __REG(x) and re-use readl/writel funcs unicore32 i8042 upgrade and bugfix: adjust resource request region type unicore32 upgrade to v2.6.38-rc5: add one more paramter for pte_alloc_map call unicore32 i8042: adjust io funcs of i8042-unicore32io.h unicore32: rename PKUNITY_IOSPACE_BASE to PKUNITY_MMIO_BASE unicore32: modify function names and parameters for irq_chips unicore32: remove unused lines in arch/unicore32/include/asm/irq.h unicore32 time.c: change calculate method for clock_event_device unicore32: ADD MAINTAINER for unicore32 architecture unicore32 machine related files: ps2 driver unicore32 machine related files: pci bus handling unicore32 machine related files: hardware registers unicore32 machine related files: core files unicore32 additional architecture files: boot process unicore32 additional architecture files: low-level lib: misc ... Acked-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/unicore32/mm/mm.h')
-rw-r--r--arch/unicore32/mm/mm.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/unicore32/mm/mm.h b/arch/unicore32/mm/mm.h
new file mode 100644
index 000000000000..3296bca0f1f7
--- /dev/null
+++ b/arch/unicore32/mm/mm.h
@@ -0,0 +1,39 @@
+/*
+ * linux/arch/unicore32/mm/mm.h
+ *
+ * Code specific to PKUnity SoC and UniCore ISA
+ *
+ * Copyright (C) 2001-2010 GUAN Xue-tao
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+/* the upper-most page table pointer */
+extern pmd_t *top_pmd;
+extern int sysctl_overcommit_memory;
+
+#define TOP_PTE(x) pte_offset_kernel(top_pmd, x)
+
+static inline pmd_t *pmd_off(pgd_t *pgd, unsigned long virt)
+{
+ return pmd_offset((pud_t *)pgd, virt);
+}
+
+static inline pmd_t *pmd_off_k(unsigned long virt)
+{
+ return pmd_off(pgd_offset_k(virt), virt);
+}
+
+struct mem_type {
+ unsigned int prot_pte;
+ unsigned int prot_l1;
+ unsigned int prot_sect;
+};
+
+const struct mem_type *get_mem_type(unsigned int type);
+
+extern void __flush_dcache_page(struct address_space *, struct page *);
+
+void __init bootmem_init(void);
+void uc32_mm_memblock_reserve(void);