Root/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/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
36struct meminfo memmap = {
37    .nr_banks = 1,
38    .bank = {
39        {
40            .start = 0xC0000000,
41            .size = 0x01000000,
42        },
43    },
44};
45
46typedef 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
59static void __init
60fortunet_fixup(struct machine_desc *desc, struct tag *tags,
61         char **cmdline, struct meminfo *mi)
62{
63    IMAGE_PARAMS *ip = phys_to_virt(IMAGE_PARAMS_PHYS);
64    *cmdline = phys_to_virt(ip->command_line);
65#ifdef CONFIG_BLK_DEV_INITRD
66    if(ip->ramdisk_ok)
67    {
68        initrd_start = __phys_to_virt(ip->ramdisk_address);
69        initrd_end = initrd_start + ip->ramdisk_size;
70    }
71#endif
72    memmap.bank[0].size = ip->ram_size;
73    *mi = memmap;
74}
75
76MACHINE_START(FORTUNET, "ARM-FortuNet")
77    /* Maintainer: FortuNet Inc. */
78    .boot_params = 0x00000000,
79    .fixup = fortunet_fixup,
80    .map_io = clps711x_map_io,
81    .init_irq = clps711x_init_irq,
82    .timer = &clps711x_timer,
83MACHINE_END
84

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