mn10300: Remove the architecture

Remove the MN10300 arch as the hardware is defunct.

Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Masahiro Yamada <yamada.masahiro@socionext.com>
cc: linux-am33-list@redhat.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 0 insertions, 136 deletions

diff --git a/arch/mn10300/mm/init.c b/arch/mn10300/mm/init.c
deleted file mode 100644
index 8ce677d5575e..000000000000
--- a/arch/mn10300/mm/init.c
+++ /dev/null
@@ -1,136 +0,0 @@
-/* MN10300 Memory management initialisation
- *
- * Copyright (C) 2007 Matsushita Electric Industrial Co., Ltd.
- * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
- * Modified by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/types.h>
-#include <linux/ptrace.h>
-#include <linux/mman.h>
-#include <linux/fs.h>
-#include <linux/mm.h>
-#include <linux/swap.h>
-#include <linux/smp.h>
-#include <linux/init.h>
-#include <linux/initrd.h>
-#include <linux/highmem.h>
-#include <linux/pagemap.h>
-#include <linux/bootmem.h>
-#include <linux/gfp.h>
-
-#include <asm/processor.h>
-#include <linux/uaccess.h>
-#include <asm/pgtable.h>
-#include <asm/pgalloc.h>
-#include <asm/dma.h>
-#include <asm/tlb.h>
-#include <asm/sections.h>
-
-unsigned long highstart_pfn, highend_pfn;
-
-#ifdef CONFIG_MN10300_HAS_ATOMIC_OPS_UNIT
-static struct vm_struct user_iomap_vm;
-#endif
-
-/*
- * set up paging
- */
-void __init paging_init(void)
-{
-	unsigned long zones_size[MAX_NR_ZONES] = {0,};
-	pte_t *ppte;
-	int loop;
-
-	/* main kernel space -> RAM mapping is handled as 1:1 transparent by
-	 * the MMU */
-	memset(swapper_pg_dir, 0, sizeof(swapper_pg_dir));
-	memset(kernel_vmalloc_ptes, 0, sizeof(kernel_vmalloc_ptes));
-
-	/* load the VMALLOC area PTE table addresses into the kernel PGD */
-	ppte = kernel_vmalloc_ptes;
-	for (loop = VMALLOC_START / (PAGE_SIZE * PTRS_PER_PTE);
-	     loop < VMALLOC_END / (PAGE_SIZE * PTRS_PER_PTE);
-	     loop++
-	     ) {
-		set_pgd(swapper_pg_dir + loop, __pgd(__pa(ppte) | _PAGE_TABLE));
-		ppte += PAGE_SIZE / sizeof(pte_t);
-	}
-
-	/* declare the sizes of the RAM zones (only use the normal zone) */
-	zones_size[ZONE_NORMAL] =
-		contig_page_data.bdata->node_low_pfn -
-		contig_page_data.bdata->node_min_pfn;
-
-	/* pass the memory from the bootmem allocator to the main allocator */
-	free_area_init(zones_size);
-
-#ifdef CONFIG_MN10300_HAS_ATOMIC_OPS_UNIT
-	/* The Atomic Operation Unit registers need to be mapped to userspace
-	 * for all processes.  The following uses vm_area_register_early() to
-	 * reserve the first page of the vmalloc area and sets the pte for that
-	 * page.
-	 *
-	 * glibc hardcodes this virtual mapping, so we're pretty much stuck with
-	 * it from now on.
-	 */
-	user_iomap_vm.flags = VM_USERMAP;
-	user_iomap_vm.size = 1 << PAGE_SHIFT;
-	vm_area_register_early(&user_iomap_vm, PAGE_SIZE);
-	ppte = kernel_vmalloc_ptes;
-	set_pte(ppte, pfn_pte(USER_ATOMIC_OPS_PAGE_ADDR >> PAGE_SHIFT,
-			      PAGE_USERIO));
-#endif
-
-	local_flush_tlb_all();
-}
-
-/*
- * transfer all the memory from the bootmem allocator to the runtime allocator
- */
-void __init mem_init(void)
-{
-	BUG_ON(!mem_map);
-
-#define START_PFN	(contig_page_data.bdata->node_min_pfn)
-#define MAX_LOW_PFN	(contig_page_data.bdata->node_low_pfn)
-
-	max_mapnr = MAX_LOW_PFN - START_PFN;
-	high_memory = (void *) __va(MAX_LOW_PFN * PAGE_SIZE);
-
-	/* clear the zero-page */
-	memset(empty_zero_page, 0, PAGE_SIZE);
-
-	/* this will put all low memory onto the freelists */
-	free_all_bootmem();
-
-	mem_init_print_info(NULL);
-}
-
-/*
- * recycle memory containing stuff only required for initialisation
- */
-void free_initmem(void)
-{
-	free_initmem_default(POISON_FREE_INITMEM);
-}
-
-/*
- * dispose of the memory on which the initial ramdisk resided
- */
-#ifdef CONFIG_BLK_DEV_INITRD
-void free_initrd_mem(unsigned long start, unsigned long end)
-{
-	free_reserved_area((void *)start, (void *)end, POISON_FREE_INITMEM,
-			   "initrd");
-}
-#endif