more changes on original files
[linux-2.4.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/sched.h>
25 #include <linux/interrupt.h>
26 #include <linux/init.h>
27 #include <linux/blk.h>
28
29 #include <asm/hardware.h>
30 #include <asm/irq.h>
31 #include <asm/setup.h>
32 #include <asm/mach-types.h>
33
34 #include <asm/pgtable.h>
35 #include <asm/page.h>
36 #include <asm/mach/map.h>
37
38 #include <asm/mach/arch.h>
39 #include <asm/mach/amba_kmi.h>
40
41 extern void clps711x_map_io(void);
42 extern void clps711x_init_irq(void);
43
44 struct meminfo memmap = { 1, 0xC1000000, {{0xC0000000,0x01000000,0}}};
45
46 typedef struct tag_IMAGE_PARAMS
47 {
48         int     ramdisk_ok;
49         int     ramdisk_address;
50         int     ramdisk_size;
51         int     ram_size;
52         int     extra_param_type;
53         int     extra_param_ptr;
54         int     command_line;
55         int     extra_ram_start;
56         int     extra_ram_size;
57 } IMAGE_PARAMS;
58
59 #define IMAGE_PARAMS_PHYS       0xC0200000
60
61 static void __init
62 fortunet_fixup(struct machine_desc *desc, struct param_struct *params,
63                  char **cmdline, struct meminfo *mi)
64 {
65         IMAGE_PARAMS *ip;
66         ip = (IMAGE_PARAMS *)__phys_to_virt(IMAGE_PARAMS_PHYS);
67         *cmdline = (char *)__phys_to_virt(ip->command_line);
68 #ifdef CONFIG_BLK_DEV_INITRD
69         if(ip->ramdisk_ok)
70         {
71                 initrd_start = __phys_to_virt(ip->ramdisk_address);
72                 initrd_end = initrd_start + ip->ramdisk_size;
73         }
74 #endif
75         memmap.bank[0].size = ip->ram_size;
76         memmap.bank[0].node = PHYS_TO_NID(0xC0000000);
77         if(ip->extra_ram_size)
78         {
79                 memmap.bank[1].start = ip->extra_ram_start;
80                 memmap.bank[1].size = ip->extra_ram_size;
81                 memmap.bank[1].node = PHYS_TO_NID(ip->extra_ram_start);
82                 mi->nr_banks=2;
83         }
84         memmap.end = ip->ram_size+0xC0000000;
85         *mi = memmap;
86 }
87
88 MACHINE_START(FORTUNET, "ARM-FortuNet")
89         MAINTAINER("FortuNet Inc.")
90         BOOT_MEM(0xc0000000, 0x80000000, 0xff000000)
91         BOOT_PARAMS(0x00000000)
92         VIDEO(0xC0000000,0xC00020000)
93         FIXUP(fortunet_fixup)
94         MAPIO(clps711x_map_io)
95         INITIRQ(clps711x_init_irq)
96 MACHINE_END