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
fortunet_fixup(struct machine_desc * desc,struct param_struct * params,char ** cmdline,struct meminfo * mi)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
97