Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
[pandora-kernel.git] / arch / arm / mach-mmp / common.c
1 /*
2  *  linux/arch/arm/mach-mmp/common.c
3  *
4  *  Code common to PXA168 processor lines
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  */
10
11 #include <linux/init.h>
12 #include <linux/kernel.h>
13 #include <linux/module.h>
14
15 #include <asm/page.h>
16 #include <asm/mach/map.h>
17 #include <mach/addr-map.h>
18 #include <mach/cputype.h>
19
20 #include "common.h"
21
22 #define MMP_CHIPID      (AXI_VIRT_BASE + 0x82c00)
23
24 unsigned int mmp_chip_id;
25 EXPORT_SYMBOL(mmp_chip_id);
26
27 static struct map_desc standard_io_desc[] __initdata = {
28         {
29                 .pfn            = __phys_to_pfn(APB_PHYS_BASE),
30                 .virtual        = (unsigned long)APB_VIRT_BASE,
31                 .length         = APB_PHYS_SIZE,
32                 .type           = MT_DEVICE,
33         }, {
34                 .pfn            = __phys_to_pfn(AXI_PHYS_BASE),
35                 .virtual        = (unsigned long)AXI_VIRT_BASE,
36                 .length         = AXI_PHYS_SIZE,
37                 .type           = MT_DEVICE,
38         },
39 };
40
41 void __init mmp_map_io(void)
42 {
43         iotable_init(standard_io_desc, ARRAY_SIZE(standard_io_desc));
44
45         /* this is early, initialize mmp_chip_id here */
46         mmp_chip_id = __raw_readl(MMP_CHIPID);
47 }