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Diffstat (limited to 'arch/h8300/mm/init.c')
| -rw-r--r-- | arch/h8300/mm/init.c | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/arch/h8300/mm/init.c b/arch/h8300/mm/init.c deleted file mode 100644 index f7bf4693e3b2..000000000000 --- a/arch/h8300/mm/init.c +++ /dev/null @@ -1,101 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * linux/arch/h8300/mm/init.c - * - * Copyright (C) 1998 D. Jeff Dionne <jeff@lineo.ca>, - * Kenneth Albanowski <kjahds@kjahds.com>, - * Copyright (C) 2000 Lineo, Inc. (www.lineo.com) - * - * Based on: - * - * linux/arch/m68knommu/mm/init.c - * linux/arch/m68k/mm/init.c - * - * Copyright (C) 1995 Hamish Macdonald - * - * JAN/1999 -- hacked to support ColdFire (gerg@snapgear.com) - * DEC/2000 -- linux 2.4 support <davidm@snapgear.com> - */ - -#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/mm.h> -#include <linux/swap.h> -#include <linux/init.h> -#include <linux/highmem.h> -#include <linux/pagemap.h> -#include <linux/memblock.h> -#include <linux/gfp.h> - -#include <asm/setup.h> -#include <asm/segment.h> -#include <asm/page.h> -#include <asm/sections.h> - -/* - * ZERO_PAGE is a special page that is used for zero-initialized - * data and COW. - */ -unsigned long empty_zero_page; - -/* - * paging_init() continues the virtual memory environment setup which - * was begun by the code in arch/head.S. - * The parameters are pointers to where to stick the starting and ending - * addresses of available kernel virtual memory. - */ -void __init paging_init(void) -{ - /* - * Make sure start_mem is page aligned, otherwise bootmem and - * page_alloc get different views og the world. - */ - unsigned long start_mem = PAGE_ALIGN(memory_start); - unsigned long end_mem = memory_end & PAGE_MASK; - - pr_debug("start_mem is %#lx\nvirtual_end is %#lx\n", - start_mem, end_mem); - - /* - * Initialize the bad page table and bad page to point - * to a couple of allocated pages. - */ - empty_zero_page = (unsigned long)memblock_alloc(PAGE_SIZE, PAGE_SIZE); - if (!empty_zero_page) - panic("%s: Failed to allocate %lu bytes align=0x%lx\n", - __func__, PAGE_SIZE, PAGE_SIZE); - - /* - * Set up SFC/DFC registers (user data space). - */ - set_fs(USER_DS); - - pr_debug("before free_area_init\n"); - - pr_debug("free_area_init -> start_mem is %#lx\nvirtual_end is %#lx\n", - start_mem, end_mem); - - { - unsigned long max_zone_pfn[MAX_NR_ZONES] = {0, }; - - max_zone_pfn[ZONE_NORMAL] = end_mem >> PAGE_SHIFT; - free_area_init(max_zone_pfn); - } -} - -void __init mem_init(void) -{ - pr_devel("Mem_init: start=%lx, end=%lx\n", memory_start, memory_end); - - high_memory = (void *) (memory_end & PAGE_MASK); - max_mapnr = MAP_NR(high_memory); - - /* this will put all low memory onto the freelists */ - memblock_free_all(); -} |