[ARM] Remove more reminants of 26-bit ARM support.

This removes include/asm-arm/proc-armv entirely, merging the
contents into the relevant include files in include/asm-arm.
We also update various files in arch/arm which reference
definitions in the now non-existent directory.

1 files changed, 102 insertions, 1 deletions

diff --git a/include/asm-arm/pgalloc.h b/include/asm-arm/pgalloc.h
index 81a7eccf2991..23eb321f4af2 100644
--- a/include/asm-arm/pgalloc.h
+++ b/include/asm-arm/pgalloc.h
@@ -11,7 +11,8 @@
 #define _ASMARM_PGALLOC_H
 
 #include <asm/processor.h>
-#include <asm/proc/pgalloc.h>
+#include <asm/cacheflush.h>
+#include <asm/tlbflush.h>
 
 /*
  * Since we have only two-level page tables, these are trivial
@@ -28,4 +29,104 @@ extern void free_pgd_slow(pgd_t *pgd);
 
 #define check_pgt_cache()		do { } while (0)
 
+/*
+ * Allocate one PTE table.
+ *
+ * This actually allocates two hardware PTE tables, but we wrap this up
+ * into one table thus:
+ *
+ *  +------------+
+ *  |  h/w pt 0  |
+ *  +------------+
+ *  |  h/w pt 1  |
+ *  +------------+
+ *  | Linux pt 0 |
+ *  +------------+
+ *  | Linux pt 1 |
+ *  +------------+
+ */
+static inline pte_t *
+pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr)
+{
+	pte_t *pte;
+
+	pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT);
+	if (pte) {
+		clear_page(pte);
+		clean_dcache_area(pte, sizeof(pte_t) * PTRS_PER_PTE);
+		pte += PTRS_PER_PTE;
+	}
+
+	return pte;
+}
+
+static inline struct page *
+pte_alloc_one(struct mm_struct *mm, unsigned long addr)
+{
+	struct page *pte;
+
+	pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT, 0);
+	if (pte) {
+		void *page = page_address(pte);
+		clear_page(page);
+		clean_dcache_area(page, sizeof(pte_t) * PTRS_PER_PTE);
+	}
+
+	return pte;
+}
+
+/*
+ * Free one PTE table.
+ */
+static inline void pte_free_kernel(pte_t *pte)
+{
+	if (pte) {
+		pte -= PTRS_PER_PTE;
+		free_page((unsigned long)pte);
+	}
+}
+
+static inline void pte_free(struct page *pte)
+{
+	__free_page(pte);
+}
+
+/*
+ * Populate the pmdp entry with a pointer to the pte.  This pmd is part
+ * of the mm address space.
+ *
+ * Ensure that we always set both PMD entries.
+ */
+static inline void
+pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmdp, pte_t *ptep)
+{
+	unsigned long pte_ptr = (unsigned long)ptep;
+	unsigned long pmdval;
+
+	BUG_ON(mm != &init_mm);
+
+	/*
+	 * The pmd must be loaded with the physical
+	 * address of the PTE table
+	 */
+	pte_ptr -= PTRS_PER_PTE * sizeof(void *);
+	pmdval = __pa(pte_ptr) | _PAGE_KERNEL_TABLE;
+	pmdp[0] = __pmd(pmdval);
+	pmdp[1] = __pmd(pmdval + 256 * sizeof(pte_t));
+	flush_pmd_entry(pmdp);
+}
+
+static inline void
+pmd_populate(struct mm_struct *mm, pmd_t *pmdp, struct page *ptep)
+{
+	unsigned long pmdval;
+
+	BUG_ON(mm == &init_mm);
+
+	pmdval = page_to_pfn(ptep) << PAGE_SHIFT | _PAGE_USER_TABLE;
+	pmdp[0] = __pmd(pmdval);
+	pmdp[1] = __pmd(pmdval + 256 * sizeof(pte_t));
+	flush_pmd_entry(pmdp);
+}
+
 #endif