avr32: remove support for AVR32 architecture

[sfrench/cifs-2.6.git] / arch / avr32 / mm / init.c

diff --git a/arch/avr32/mm/init.c b/arch/avr32/mm/init.c
deleted file mode 100644 (file)
index def5391..0000000
--- a/arch/avr32/mm/init.c
+++ /dev/null
@@ -1,125 +0,0 @@
-/*
- * Copyright (C) 2004-2006 Atmel Corporation
- *
- * 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.
- */
-
-#include <linux/kernel.h>
-#include <linux/gfp.h>
-#include <linux/mm.h>
-#include <linux/swap.h>
-#include <linux/init.h>
-#include <linux/mmzone.h>
-#include <linux/module.h>
-#include <linux/bootmem.h>
-#include <linux/pagemap.h>
-#include <linux/nodemask.h>
-
-#include <asm/page.h>
-#include <asm/mmu_context.h>
-#include <asm/tlb.h>
-#include <asm/io.h>
-#include <asm/dma.h>
-#include <asm/setup.h>
-#include <asm/sections.h>
-
-pgd_t swapper_pg_dir[PTRS_PER_PGD] __page_aligned_data;
-
-struct page *empty_zero_page;
-EXPORT_SYMBOL(empty_zero_page);
-
-/*
- * Cache of MMU context last used.
- */
-unsigned long mmu_context_cache = NO_CONTEXT;
-
-/*
- * paging_init() sets up the page tables
- *
- * This routine also unmaps the page at virtual kernel address 0, so
- * that we can trap those pesky NULL-reference errors in the kernel.
- */
-void __init paging_init(void)
-{
-       extern unsigned long _evba;
-       void *zero_page;
-       int nid;
-
-       /*
-        * Make sure we can handle exceptions before enabling
-        * paging. Not that we should ever _get_ any exceptions this
-        * early, but you never know...
-        */
-       printk("Exception vectors start at %p\n", &_evba);
-       sysreg_write(EVBA, (unsigned long)&_evba);
-
-       /*
-        * Since we are ready to handle exceptions now, we should let
-        * the CPU generate them...
-        */
-       __asm__ __volatile__ ("csrf %0" : : "i"(SR_EM_BIT));
-
-       /*
-        * Allocate the zero page. The allocator will panic if it
-        * can't satisfy the request, so no need to check.
-        */
-       zero_page = alloc_bootmem_low_pages_node(NODE_DATA(0),
-                                                PAGE_SIZE);
-
-       sysreg_write(PTBR, (unsigned long)swapper_pg_dir);
-       enable_mmu();
-       printk ("CPU: Paging enabled\n");
-
-       for_each_online_node(nid) {
-               pg_data_t *pgdat = NODE_DATA(nid);
-               unsigned long zones_size[MAX_NR_ZONES];
-               unsigned long low, start_pfn;
-
-               start_pfn = pgdat->bdata->node_min_pfn;
-               low = pgdat->bdata->node_low_pfn;
-
-               memset(zones_size, 0, sizeof(zones_size));
-               zones_size[ZONE_NORMAL] = low - start_pfn;
-
-               printk("Node %u: start_pfn = 0x%lx, low = 0x%lx\n",
-                      nid, start_pfn, low);
-
-               free_area_init_node(nid, zones_size, start_pfn, NULL);
-
-               printk("Node %u: mem_map starts at %p\n",
-                      pgdat->node_id, pgdat->node_mem_map);
-       }
-
-       mem_map = NODE_DATA(0)->node_mem_map;
-
-       empty_zero_page = virt_to_page(zero_page);
-       flush_dcache_page(empty_zero_page);
-}
-
-void __init mem_init(void)
-{
-       pg_data_t *pgdat;
-
-       high_memory = NULL;
-       for_each_online_pgdat(pgdat)
-               high_memory = max_t(void *, high_memory,
-                                   __va(pgdat_end_pfn(pgdat) << PAGE_SHIFT));
-
-       set_max_mapnr(MAP_NR(high_memory));
-       free_all_bootmem();
-       mem_init_print_info(NULL);
-}
-
-void free_initmem(void)
-{
-       free_initmem_default(-1);
-}
-
-#ifdef CONFIG_BLK_DEV_INITRD
-void free_initrd_mem(unsigned long start, unsigned long end)
-{
-       free_reserved_area((void *)start, (void *)end, -1, "initrd");
-}
-#endif