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/types.h>
23 #include <linux/init.h>
24 #include <linux/initrd.h>
25
26 #include <mach/hardware.h>
27 #include <asm/setup.h>
28 #include <asm/mach-types.h>
29
30 #include <asm/mach/arch.h>
31
32 #include <asm/memory.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 },
43 },
44 };
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 } IMAGE_PARAMS;
56
57 #define IMAGE_PARAMS_PHYS 0xC01F0000
58
59 static void __init
fortunet_fixup(struct tag * tags,char ** cmdline,struct meminfo * mi)60 fortunet_fixup(struct tag *tags, char **cmdline, struct meminfo *mi)
61 {
62 IMAGE_PARAMS *ip = phys_to_virt(IMAGE_PARAMS_PHYS);
63 *cmdline = phys_to_virt(ip->command_line);
64 #ifdef CONFIG_BLK_DEV_INITRD
65 if(ip->ramdisk_ok)
66 {
67 initrd_start = __phys_to_virt(ip->ramdisk_address);
68 initrd_end = initrd_start + ip->ramdisk_size;
69 }
70 #endif
71 memmap.bank[0].size = ip->ram_size;
72 *mi = memmap;
73 }
74
75 MACHINE_START(FORTUNET, "ARM-FortuNet")
76 /* Maintainer: FortuNet Inc. */
77 .fixup = fortunet_fixup,
78 .map_io = clps711x_map_io,
79 .init_irq = clps711x_init_irq,
80 .timer = &clps711x_timer,
81 .restart = clps711x_restart,
82 MACHINE_END
83