| 1 |
1275 |
phoenix |
/*
|
| 2 |
|
|
* linux/arch/arm/mach-clps711x/mm.c
|
| 3 |
|
|
*
|
| 4 |
|
|
* Generic MM setup for the CLPS711x-based machines.
|
| 5 |
|
|
*
|
| 6 |
|
|
* Copyright (C) 2001 Deep Blue Solutions Ltd
|
| 7 |
|
|
*
|
| 8 |
|
|
* This program is free software; you can redistribute it and/or modify
|
| 9 |
|
|
* it under the terms of the GNU General Public License as published by
|
| 10 |
|
|
* the Free Software Foundation; either version 2 of the License, or
|
| 11 |
|
|
* (at your option) any later version.
|
| 12 |
|
|
*
|
| 13 |
|
|
* This program is distributed in the hope that it will be useful,
|
| 14 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 15 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 16 |
|
|
* GNU General Public License for more details.
|
| 17 |
|
|
*
|
| 18 |
|
|
* You should have received a copy of the GNU General Public License
|
| 19 |
|
|
* along with this program; if not, write to the Free Software
|
| 20 |
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
| 21 |
|
|
*/
|
| 22 |
|
|
#include <linux/sched.h>
|
| 23 |
|
|
#include <linux/mm.h>
|
| 24 |
|
|
#include <linux/init.h>
|
| 25 |
|
|
#include <linux/config.h>
|
| 26 |
|
|
#include <linux/bootmem.h>
|
| 27 |
|
|
|
| 28 |
|
|
#include <asm/hardware.h>
|
| 29 |
|
|
#include <asm/pgtable.h>
|
| 30 |
|
|
#include <asm/page.h>
|
| 31 |
|
|
#include <asm/mach/map.h>
|
| 32 |
|
|
#include <asm/hardware/clps7111.h>
|
| 33 |
|
|
|
| 34 |
|
|
#if 0 //def CONFIG_DISCONTIGMEM
|
| 35 |
|
|
|
| 36 |
|
|
/*
|
| 37 |
|
|
* The assumption of maximum 4 discontiguous memory banks is present
|
| 38 |
|
|
* in several places in the ARM kernel, including the parameter block
|
| 39 |
|
|
* (this affects boot loaders, too). Banks do not necessarily
|
| 40 |
|
|
* correspond 1:1 with NUMA nodes, although they usually will,
|
| 41 |
|
|
* especially if they are widely discontiguous.
|
| 42 |
|
|
*
|
| 43 |
|
|
* - note that the parameter block is depreciated for new implementations
|
| 44 |
|
|
* - also note that discontig_node_data is actually used
|
| 45 |
|
|
* -- rmk
|
| 46 |
|
|
*/
|
| 47 |
|
|
|
| 48 |
|
|
static bootmem_data_t node_bootmem_data[4];
|
| 49 |
|
|
|
| 50 |
|
|
pg_data_t clps711x_node_data[4] = {
|
| 51 |
|
|
{ bdata: &node_bootmem_data[0] },
|
| 52 |
|
|
{ bdata: &node_bootmem_data[1] },
|
| 53 |
|
|
{ bdata: &node_bootmem_data[2] },
|
| 54 |
|
|
{ bdata: &node_bootmem_data[3] },
|
| 55 |
|
|
};
|
| 56 |
|
|
|
| 57 |
|
|
#endif
|
| 58 |
|
|
|
| 59 |
|
|
/*
|
| 60 |
|
|
* This maps the generic CLPS711x registers
|
| 61 |
|
|
*/
|
| 62 |
|
|
static struct map_desc clps711x_io_desc[] __initdata = {
|
| 63 |
|
|
{ CLPS7111_VIRT_BASE, CLPS7111_PHYS_BASE, 1048576, DOMAIN_IO, 0, 1 },
|
| 64 |
|
|
LAST_DESC
|
| 65 |
|
|
};
|
| 66 |
|
|
|
| 67 |
|
|
void __init clps711x_map_io(void)
|
| 68 |
|
|
{
|
| 69 |
|
|
iotable_init(clps711x_io_desc);
|
| 70 |
|
|
}
|
