1 files changed, 0 insertions, 262 deletions
diff --git a/ANDROID_3.4.5/arch/microblaze/mm/pgtable.c b/ANDROID_3.4.5/arch/microblaze/mm/pgtable.c
deleted file mode 100644
index d1c06d07..00000000
--- a/ANDROID_3.4.5/arch/microblaze/mm/pgtable.c
+++ /dev/null
@@ -1,262 +0,0 @@
-/*
- *  This file contains the routines setting up the linux page tables.
- *
- * Copyright (C) 2008 Michal Simek
- * Copyright (C) 2008 PetaLogix
- *
- *    Copyright (C) 2007 Xilinx, Inc.  All rights reserved.
- *
- *  Derived from arch/ppc/mm/pgtable.c:
- *    -- paulus
- *
- *  Derived from arch/ppc/mm/init.c:
- *    Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
- *
- *  Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au)
- *  and Cort Dougan (PReP) (cort@cs.nmt.edu)
- *    Copyright (C) 1996 Paul Mackerras
- *  Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk).
- *
- *  Derived from "arch/i386/mm/init.c"
- *    Copyright (C) 1991, 1992, 1993, 1994  Linus Torvalds
- *
- *  This file is subject to the terms and conditions of the GNU General
- *  Public License.  See the file COPYING in the main directory of this
- *  archive for more details.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/vmalloc.h>
-#include <linux/init.h>
-
-#include <asm/pgtable.h>
-#include <asm/pgalloc.h>
-#include <linux/io.h>
-#include <asm/mmu.h>
-#include <asm/sections.h>
-#include <asm/fixmap.h>
-
-#define flush_HPTE(X, va, pg)	_tlbie(va)
-
-unsigned long ioremap_base;
-unsigned long ioremap_bot;
-EXPORT_SYMBOL(ioremap_bot);
-
-#ifndef CONFIG_SMP
-struct pgtable_cache_struct quicklists;
-#endif
-
-static void __iomem *__ioremap(phys_addr_t addr, unsigned long size,
-		unsigned long flags)
-{
-	unsigned long v, i;
-	phys_addr_t p;
-	int err;
-
-	/*
-	 * Choose an address to map it to.
-	 * Once the vmalloc system is running, we use it.
-	 * Before then, we use space going down from ioremap_base
-	 * (ioremap_bot records where we're up to).
-	 */
-	p = addr & PAGE_MASK;
-	size = PAGE_ALIGN(addr + size) - p;
-
-	/*
-	 * Don't allow anybody to remap normal RAM that we're using.
-	 * mem_init() sets high_memory so only do the check after that.
-	 *
-	 * However, allow remap of rootfs: TBD
-	 */
-	if (mem_init_done &&
-		p >= memory_start && p < virt_to_phys(high_memory) &&
-		!(p >= virt_to_phys((unsigned long)&__bss_stop) &&
-		p < virt_to_phys((unsigned long)__bss_stop))) {
-		printk(KERN_WARNING "__ioremap(): phys addr "PTE_FMT
-			" is RAM lr %pf\n", (unsigned long)p,
-			__builtin_return_address(0));
-		return NULL;
-	}
-
-	if (size == 0)
-		return NULL;
-
-	/*
-	 * Is it already mapped? If the whole area is mapped then we're
-	 * done, otherwise remap it since we want to keep the virt addrs for
-	 * each request contiguous.
-	 *
-	 * We make the assumption here that if the bottom and top
-	 * of the range we want are mapped then it's mapped to the
-	 * same virt address (and this is contiguous).
-	 *  -- Cort
-	 */
-
-	if (mem_init_done) {
-		struct vm_struct *area;
-		area = get_vm_area(size, VM_IOREMAP);
-		if (area == NULL)
-			return NULL;
-		v = (unsigned long) area->addr;
-	} else {
-		v = (ioremap_bot -= size);
-	}
-
-	if ((flags & _PAGE_PRESENT) == 0)
-		flags |= _PAGE_KERNEL;
-	if (flags & _PAGE_NO_CACHE)
-		flags |= _PAGE_GUARDED;
-
-	err = 0;
-	for (i = 0; i < size && err == 0; i += PAGE_SIZE)
-		err = map_page(v + i, p + i, flags);
-	if (err) {
-		if (mem_init_done)
-			vfree((void *)v);
-		return NULL;
-	}
-
-	return (void __iomem *) (v + ((unsigned long)addr & ~PAGE_MASK));
-}
-
-void __iomem *ioremap(phys_addr_t addr, unsigned long size)
-{
-	return __ioremap(addr, size, _PAGE_NO_CACHE);
-}
-EXPORT_SYMBOL(ioremap);
-
-void iounmap(void *addr)
-{
-	if (addr > high_memory && (unsigned long) addr < ioremap_bot)
-		vfree((void *) (PAGE_MASK & (unsigned long) addr));
-}
-EXPORT_SYMBOL(iounmap);
-
-
-int map_page(unsigned long va, phys_addr_t pa, int flags)
-{
-	pmd_t *pd;
-	pte_t *pg;
-	int err = -ENOMEM;
-	/* Use upper 10 bits of VA to index the first level map */
-	pd = pmd_offset(pgd_offset_k(va), va);
-	/* Use middle 10 bits of VA to index the second-level map */
-	pg = pte_alloc_kernel(pd, va); /* from powerpc - pgtable.c */
-	/* pg = pte_alloc_kernel(&init_mm, pd, va); */
-
-	if (pg != NULL) {
-		err = 0;
-		set_pte_at(&init_mm, va, pg, pfn_pte(pa >> PAGE_SHIFT,
-				__pgprot(flags)));
-		if (unlikely(mem_init_done))
-			flush_HPTE(0, va, pmd_val(*pd));
-			/* flush_HPTE(0, va, pg); */
-	}
-	return err;
-}
-
-/*
- * Map in all of physical memory starting at CONFIG_KERNEL_START.
- */
-void __init mapin_ram(void)
-{
-	unsigned long v, p, s, f;
-
-	v = CONFIG_KERNEL_START;
-	p = memory_start;
-	for (s = 0; s < lowmem_size; s += PAGE_SIZE) {
-		f = _PAGE_PRESENT | _PAGE_ACCESSED |
-				_PAGE_SHARED | _PAGE_HWEXEC;
-		if ((char *) v < _stext || (char *) v >= _etext)
-			f |= _PAGE_WRENABLE;
-		else
-			/* On the MicroBlaze, no user access
-			   forces R/W kernel access */
-			f |= _PAGE_USER;
-		map_page(v, p, f);
-		v += PAGE_SIZE;
-		p += PAGE_SIZE;
-	}
-}
-
-/* is x a power of 2? */
-#define is_power_of_2(x)	((x) != 0 && (((x) & ((x) - 1)) == 0))
-
-/* Scan the real Linux page tables and return a PTE pointer for
- * a virtual address in a context.
- * Returns true (1) if PTE was found, zero otherwise.  The pointer to
- * the PTE pointer is unmodified if PTE is not found.
- */
-static int get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep)
-{
-	pgd_t	*pgd;
-	pmd_t	*pmd;
-	pte_t	*pte;
-	int     retval = 0;
-
-	pgd = pgd_offset(mm, addr & PAGE_MASK);
-	if (pgd) {
-		pmd = pmd_offset(pgd, addr & PAGE_MASK);
-		if (pmd_present(*pmd)) {
-			pte = pte_offset_kernel(pmd, addr & PAGE_MASK);
-			if (pte) {
-				retval = 1;
-				*ptep = pte;
-			}
-		}
-	}
-	return retval;
-}
-
-/* Find physical address for this virtual address.  Normally used by
- * I/O functions, but anyone can call it.
- */
-unsigned long iopa(unsigned long addr)
-{
-	unsigned long pa;
-
-	pte_t *pte;
-	struct mm_struct *mm;
-
-	/* Allow mapping of user addresses (within the thread)
-	 * for DMA if necessary.
-	 */
-	if (addr < TASK_SIZE)
-		mm = current->mm;
-	else
-		mm = &init_mm;
-
-	pa = 0;
-	if (get_pteptr(mm, addr, &pte))
-		pa = (pte_val(*pte) & PAGE_MASK) | (addr & ~PAGE_MASK);
-
-	return pa;
-}
-
-__init_refok pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
-		unsigned long address)
-{
-	pte_t *pte;
-	if (mem_init_done) {
-		pte = (pte_t *)__get_free_page(GFP_KERNEL |
-					__GFP_REPEAT | __GFP_ZERO);
-	} else {
-		pte = (pte_t *)early_get_page();
-		if (pte)
-			clear_page(pte);
-	}
-	return pte;
-}
-
-void __set_fixmap(enum fixed_addresses idx, phys_addr_t phys, pgprot_t flags)
-{
-	unsigned long address = __fix_to_virt(idx);
-
-	if (idx >= __end_of_fixed_addresses)
-		BUG();
-
-	map_page(address, phys, pgprot_val(flags));
-}