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 .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
fortunet_fixup(struct machine_desc * desc,struct tag * tags,char ** cmdline,struct meminfo * mi)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 .phys_io = 0x80000000,
80 .io_pg_offst = ((0xf0000000) >> 18) & 0xfffc,
81 .boot_params = 0x00000000,
82 .fixup = fortunet_fixup,
83 .map_io = clps711x_map_io,
84 .init_irq = clps711x_init_irq,
85 .timer = &clps711x_timer,
86 MACHINE_END
87