Linux-2.6.12-rc2
[linux-2.6.git] / arch / arm / mach-clps711x / fortunet.c
1 /*
2  *  linux/arch/arm/mach-clps711x/fortunet.c
3  *
4  *  Derived from linux/arch/arm/mach-integrator/arch.c
5  *
6  *  Copyright (C) 2000 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/config.h>
23 #include <linux/types.h>
24 #include <linux/init.h>
25 #include <linux/initrd.h>
26
27 #include <asm/hardware.h>
28 #include <asm/irq.h>
29 #include <asm/setup.h>
30 #include <asm/mach-types.h>
31
32 #include <asm/mach/arch.h>
33
34 #include "common.h"
35
36 struct meminfo memmap = {
37         .nr_banks       = 1,
38         .bank           = {
39                 {
40                         .start  = 0xC0000000,
41                         .size   = 0x01000000,
42                         .node   = 0
43                 },
44         },
45 };
46
47 typedef struct tag_IMAGE_PARAMS
48 {
49         int     ramdisk_ok;
50         int     ramdisk_address;
51         int     ramdisk_size;
52         int     ram_size;
53         int     extra_param_type;
54         int     extra_param_ptr;
55         int     command_line;
56 } IMAGE_PARAMS;
57
58 #define IMAGE_PARAMS_PHYS       0xC01F0000
59
60 static void __init
61 fortunet_fixup(struct machine_desc *desc, struct tag *tags,
62                  char **cmdline, struct meminfo *mi)
63 {
64         IMAGE_PARAMS *ip = phys_to_virt(IMAGE_PARAMS_PHYS);
65         *cmdline = phys_to_virt(ip->command_line);
66 #ifdef CONFIG_BLK_DEV_INITRD
67         if(ip->ramdisk_ok)
68         {
69                 initrd_start = __phys_to_virt(ip->ramdisk_address);
70                 initrd_end = initrd_start + ip->ramdisk_size;
71         }
72 #endif
73         memmap.bank[0].size = ip->ram_size;
74         *mi = memmap;
75 }
76
77 MACHINE_START(FORTUNET, "ARM-FortuNet")
78         MAINTAINER("FortuNet Inc.")
79         BOOT_MEM(0xc0000000, 0x80000000, 0xf0000000)
80         BOOT_PARAMS(0x00000000)
81         FIXUP(fortunet_fixup)
82         MAPIO(clps711x_map_io)
83         INITIRQ(clps711x_init_irq)
84         .timer          = &clps711x_timer,
85 MACHINE_END