mm.c
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上传日期:2013-02-24
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- /*
- * linux/arch/arm/mach-clps711x/mm.c
- *
- * Generic MM setup for the CLPS711x-based machines.
- *
- * Copyright (C) 2001 Deep Blue Solutions Ltd
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
- #include <linux/sched.h>
- #include <linux/mm.h>
- #include <linux/init.h>
- #include <linux/config.h>
- #include <linux/bootmem.h>
- #include <asm/hardware.h>
- #include <asm/pgtable.h>
- #include <asm/page.h>
- #include <asm/mach/map.h>
- #include <asm/hardware/clps7111.h>
- #if 0 //def CONFIG_DISCONTIGMEM
-
- /*
- * The assumption of maximum 4 discontiguous memory banks is present
- * in several places in the ARM kernel, including the parameter block
- * (this affects boot loaders, too). Banks do not necessarily
- * correspond 1:1 with NUMA nodes, although they usually will,
- * especially if they are widely discontiguous.
- *
- * - note that the parameter block is depreciated for new implementations
- * - also note that discontig_node_data is actually used
- * -- rmk
- */
- static bootmem_data_t node_bootmem_data[4];
- pg_data_t clps711x_node_data[4] = {
- { bdata: &node_bootmem_data[0] },
- { bdata: &node_bootmem_data[1] },
- { bdata: &node_bootmem_data[2] },
- { bdata: &node_bootmem_data[3] },
- };
- #endif
- /*
- * This maps the generic CLPS711x registers
- */
- static struct map_desc clps711x_io_desc[] __initdata = {
- { CLPS7111_VIRT_BASE, CLPS7111_PHYS_BASE, 1048576, DOMAIN_IO, 0, 1 },
- LAST_DESC
- };
- void __init clps711x_map_io(void)
- {
- iotable_init(clps711x_io_desc);
- }