1 files changed, 0 insertions, 320 deletions
diff --git a/ANDROID_3.4.5/arch/m68k/mm/motorola.c b/ANDROID_3.4.5/arch/m68k/mm/motorola.c
deleted file mode 100644
index 0dafa693..00000000
--- a/ANDROID_3.4.5/arch/m68k/mm/motorola.c
+++ /dev/null
@@ -1,320 +0,0 @@
-/*
- * linux/arch/m68k/mm/motorola.c
- *
- * Routines specific to the Motorola MMU, originally from:
- * linux/arch/m68k/init.c
- * which are Copyright (C) 1995 Hamish Macdonald
- *
- * Moved 8/20/1999 Sam Creasey
- */
-
-#include <linux/module.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <linux/swap.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/types.h>
-#include <linux/init.h>
-#include <linux/bootmem.h>
-#include <linux/gfp.h>
-
-#include <asm/setup.h>
-#include <asm/uaccess.h>
-#include <asm/page.h>
-#include <asm/pgalloc.h>
-#include <asm/machdep.h>
-#include <asm/io.h>
-#include <asm/dma.h>
-#ifdef CONFIG_ATARI
-#include <asm/atari_stram.h>
-#endif
-#include <asm/sections.h>
-
-#undef DEBUG
-
-#ifndef mm_cachebits
-/*
- * Bits to add to page descriptors for "normal" caching mode.
- * For 68020/030 this is 0.
- * For 68040, this is _PAGE_CACHE040 (cachable, copyback)
- */
-unsigned long mm_cachebits;
-EXPORT_SYMBOL(mm_cachebits);
-#endif
-
-/* size of memory already mapped in head.S */
-#define INIT_MAPPED_SIZE	(4UL<<20)
-
-extern unsigned long availmem;
-
-static pte_t * __init kernel_page_table(void)
-{
-	pte_t *ptablep;
-
-	ptablep = (pte_t *)alloc_bootmem_low_pages(PAGE_SIZE);
-
-	clear_page(ptablep);
-	__flush_page_to_ram(ptablep);
-	flush_tlb_kernel_page(ptablep);
-	nocache_page(ptablep);
-
-	return ptablep;
-}
-
-static pmd_t *last_pgtable __initdata = NULL;
-pmd_t *zero_pgtable __initdata = NULL;
-
-static pmd_t * __init kernel_ptr_table(void)
-{
-	if (!last_pgtable) {
-		unsigned long pmd, last;
-		int i;
-
-		/* Find the last ptr table that was used in head.S and
-		 * reuse the remaining space in that page for further
-		 * ptr tables.
-		 */
-		last = (unsigned long)kernel_pg_dir;
-		for (i = 0; i < PTRS_PER_PGD; i++) {
-			if (!pgd_present(kernel_pg_dir[i]))
-				continue;
-			pmd = __pgd_page(kernel_pg_dir[i]);
-			if (pmd > last)
-				last = pmd;
-		}
-
-		last_pgtable = (pmd_t *)last;
-#ifdef DEBUG
-		printk("kernel_ptr_init: %p\n", last_pgtable);
-#endif
-	}
-
-	last_pgtable += PTRS_PER_PMD;
-	if (((unsigned long)last_pgtable & ~PAGE_MASK) == 0) {
-		last_pgtable = (pmd_t *)alloc_bootmem_low_pages(PAGE_SIZE);
-
-		clear_page(last_pgtable);
-		__flush_page_to_ram(last_pgtable);
-		flush_tlb_kernel_page(last_pgtable);
-		nocache_page(last_pgtable);
-	}
-
-	return last_pgtable;
-}
-
-static void __init map_node(int node)
-{
-#define PTRTREESIZE (256*1024)
-#define ROOTTREESIZE (32*1024*1024)
-	unsigned long physaddr, virtaddr, size;
-	pgd_t *pgd_dir;
-	pmd_t *pmd_dir;
-	pte_t *pte_dir;
-
-	size = m68k_memory[node].size;
-	physaddr = m68k_memory[node].addr;
-	virtaddr = (unsigned long)phys_to_virt(physaddr);
-	physaddr |= m68k_supervisor_cachemode |
-		    _PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_DIRTY;
-	if (CPU_IS_040_OR_060)
-		physaddr |= _PAGE_GLOBAL040;
-
-	while (size > 0) {
-#ifdef DEBUG
-		if (!(virtaddr & (PTRTREESIZE-1)))
-			printk ("\npa=%#lx va=%#lx ", physaddr & PAGE_MASK,
-				virtaddr);
-#endif
-		pgd_dir = pgd_offset_k(virtaddr);
-		if (virtaddr && CPU_IS_020_OR_030) {
-			if (!(virtaddr & (ROOTTREESIZE-1)) &&
-			    size >= ROOTTREESIZE) {
-#ifdef DEBUG
-				printk ("[very early term]");
-#endif
-				pgd_val(*pgd_dir) = physaddr;
-				size -= ROOTTREESIZE;
-				virtaddr += ROOTTREESIZE;
-				physaddr += ROOTTREESIZE;
-				continue;
-			}
-		}
-		if (!pgd_present(*pgd_dir)) {
-			pmd_dir = kernel_ptr_table();
-#ifdef DEBUG
-			printk ("[new pointer %p]", pmd_dir);
-#endif
-			pgd_set(pgd_dir, pmd_dir);
-		} else
-			pmd_dir = pmd_offset(pgd_dir, virtaddr);
-
-		if (CPU_IS_020_OR_030) {
-			if (virtaddr) {
-#ifdef DEBUG
-				printk ("[early term]");
-#endif
-				pmd_dir->pmd[(virtaddr/PTRTREESIZE) & 15] = physaddr;
-				physaddr += PTRTREESIZE;
-			} else {
-				int i;
-#ifdef DEBUG
-				printk ("[zero map]");
-#endif
-				zero_pgtable = kernel_ptr_table();
-				pte_dir = (pte_t *)zero_pgtable;
-				pmd_dir->pmd[0] = virt_to_phys(pte_dir) |
-					_PAGE_TABLE | _PAGE_ACCESSED;
-				pte_val(*pte_dir++) = 0;
-				physaddr += PAGE_SIZE;
-				for (i = 1; i < 64; physaddr += PAGE_SIZE, i++)
-					pte_val(*pte_dir++) = physaddr;
-			}
-			size -= PTRTREESIZE;
-			virtaddr += PTRTREESIZE;
-		} else {
-			if (!pmd_present(*pmd_dir)) {
-#ifdef DEBUG
-				printk ("[new table]");
-#endif
-				pte_dir = kernel_page_table();
-				pmd_set(pmd_dir, pte_dir);
-			}
-			pte_dir = pte_offset_kernel(pmd_dir, virtaddr);
-
-			if (virtaddr) {
-				if (!pte_present(*pte_dir))
-					pte_val(*pte_dir) = physaddr;
-			} else
-				pte_val(*pte_dir) = 0;
-			size -= PAGE_SIZE;
-			virtaddr += PAGE_SIZE;
-			physaddr += PAGE_SIZE;
-		}
-
-	}
-#ifdef DEBUG
-	printk("\n");
-#endif
-}
-
-/*
- * paging_init() continues the virtual memory environment setup which
- * was begun by the code in arch/head.S.
- */
-void __init paging_init(void)
-{
-	unsigned long zones_size[MAX_NR_ZONES] = { 0, };
-	unsigned long min_addr, max_addr;
-	unsigned long addr, size, end;
-	int i;
-
-#ifdef DEBUG
-	printk ("start of paging_init (%p, %lx)\n", kernel_pg_dir, availmem);
-#endif
-
-	/* Fix the cache mode in the page descriptors for the 680[46]0.  */
-	if (CPU_IS_040_OR_060) {
-		int i;
-#ifndef mm_cachebits
-		mm_cachebits = _PAGE_CACHE040;
-#endif
-		for (i = 0; i < 16; i++)
-			pgprot_val(protection_map[i]) |= _PAGE_CACHE040;
-	}
-
-	min_addr = m68k_memory[0].addr;
-	max_addr = min_addr + m68k_memory[0].size;
-	for (i = 1; i < m68k_num_memory;) {
-		if (m68k_memory[i].addr < min_addr) {
-			printk("Ignoring memory chunk at 0x%lx:0x%lx before the first chunk\n",
-				m68k_memory[i].addr, m68k_memory[i].size);
-			printk("Fix your bootloader or use a memfile to make use of this area!\n");
-			m68k_num_memory--;
-			memmove(m68k_memory + i, m68k_memory + i + 1,
-				(m68k_num_memory - i) * sizeof(struct mem_info));
-			continue;
-		}
-		addr = m68k_memory[i].addr + m68k_memory[i].size;
-		if (addr > max_addr)
-			max_addr = addr;
-		i++;
-	}
-	m68k_memoffset = min_addr - PAGE_OFFSET;
-	m68k_virt_to_node_shift = fls(max_addr - min_addr - 1) - 6;
-
-	module_fixup(NULL, __start_fixup, __stop_fixup);
-	flush_icache();
-
-	high_memory = phys_to_virt(max_addr);
-
-	min_low_pfn = availmem >> PAGE_SHIFT;
-	max_low_pfn = max_addr >> PAGE_SHIFT;
-
-	for (i = 0; i < m68k_num_memory; i++) {
-		addr = m68k_memory[i].addr;
-		end = addr + m68k_memory[i].size;
-		m68k_setup_node(i);
-		availmem = PAGE_ALIGN(availmem);
-		availmem += init_bootmem_node(NODE_DATA(i),
-					      availmem >> PAGE_SHIFT,
-					      addr >> PAGE_SHIFT,
-					      end >> PAGE_SHIFT);
-	}
-
-	/*
-	 * Map the physical memory available into the kernel virtual
-	 * address space. First initialize the bootmem allocator with
-	 * the memory we already mapped, so map_node() has something
-	 * to allocate.
-	 */
-	addr = m68k_memory[0].addr;
-	size = m68k_memory[0].size;
-	free_bootmem_node(NODE_DATA(0), availmem, min(INIT_MAPPED_SIZE, size) - (availmem - addr));
-	map_node(0);
-	if (size > INIT_MAPPED_SIZE)
-		free_bootmem_node(NODE_DATA(0), addr + INIT_MAPPED_SIZE, size - INIT_MAPPED_SIZE);
-
-	for (i = 1; i < m68k_num_memory; i++)
-		map_node(i);
-
-	flush_tlb_all();
-
-	/*
-	 * initialize the bad page table and bad page to point
-	 * to a couple of allocated pages
-	 */
-	empty_zero_page = alloc_bootmem_pages(PAGE_SIZE);
-
-	/*
-	 * Set up SFC/DFC registers
-	 */
-	set_fs(KERNEL_DS);
-
-#ifdef DEBUG
-	printk ("before free_area_init\n");
-#endif
-	for (i = 0; i < m68k_num_memory; i++) {
-		zones_size[ZONE_DMA] = m68k_memory[i].size >> PAGE_SHIFT;
-		free_area_init_node(i, zones_size,
-				    m68k_memory[i].addr >> PAGE_SHIFT, NULL);
-		if (node_present_pages(i))
-			node_set_state(i, N_NORMAL_MEMORY);
-	}
-}
-
-void free_initmem(void)
-{
-	unsigned long addr;
-
-	addr = (unsigned long)__init_begin;
-	for (; addr < (unsigned long)__init_end; addr += PAGE_SIZE) {
-		virt_to_page(addr)->flags &= ~(1 << PG_reserved);
-		init_page_count(virt_to_page(addr));
-		free_page(addr);
-		totalram_pages++;
-	}
-}
-
-