2 * linux/arch/arm/mach-clps711x/p720t.c
4 * Copyright (C) 2000-2001 Deep Blue Solutions Ltd
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 #include <linux/config.h>
21 #include <linux/kernel.h>
22 #include <linux/init.h>
23 #include <linux/types.h>
24 #include <linux/string.h>
27 #include <asm/hardware.h>
29 #include <asm/pgtable.h>
31 #include <asm/setup.h>
32 #include <asm/mach-types.h>
33 #include <asm/mach/arch.h>
34 #include <asm/mach/map.h>
35 #include <asm/arch/syspld.h>
40 * Map the P720T system PLD. It occupies two address spaces:
41 * SYSPLD_PHYS_BASE and SYSPLD_PHYS_BASE + 0x00400000
44 static struct map_desc p720t_io_desc
[] __initdata
= {
45 { SYSPLD_VIRT_BASE
, SYSPLD_PHYS_BASE
, 1048576, MT_DEVICE
},
46 { 0xfe400000, 0x10400000, 1048576, MT_DEVICE
}
50 fixup_p720t(struct machine_desc
*desc
, struct tag
*tag
,
51 char **cmdline
, struct meminfo
*mi
)
54 * Our bootloader doesn't setup any tags (yet).
56 if (tag
->hdr
.tag
!= ATAG_CORE
) {
57 tag
->hdr
.tag
= ATAG_CORE
;
58 tag
->hdr
.size
= tag_size(tag_core
);
59 tag
->u
.core
.flags
= 0;
60 tag
->u
.core
.pagesize
= PAGE_SIZE
;
61 tag
->u
.core
.rootdev
= 0x0100;
64 tag
->hdr
.tag
= ATAG_MEM
;
65 tag
->hdr
.size
= tag_size(tag_mem32
);
66 tag
->u
.mem
.size
= 4096;
67 tag
->u
.mem
.start
= PHYS_OFFSET
;
70 tag
->hdr
.tag
= ATAG_NONE
;
75 static void __init
p720t_map_io(void)
78 iotable_init(p720t_io_desc
, ARRAY_SIZE(p720t_io_desc
));
81 MACHINE_START(P720T
, "ARM-Prospector720T")
82 /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
83 .phys_ram
= 0xc0000000,
84 .phys_io
= 0x80000000,
85 .io_pg_offst
= ((0xff000000) >> 18) & 0xfffc,
86 .boot_params
= 0xc0000100,
88 .map_io
= p720t_map_io
,
89 .init_irq
= clps711x_init_irq
,
90 .timer
= &clps711x_timer
,
93 static int p720t_hw_init(void)
96 * Power down as much as possible in case we don't
97 * have the drivers loaded.
100 PLD_PWR
&= ~(PLD_S4_ON
|PLD_S3_ON
|PLD_S2_ON
|PLD_S1_ON
);
108 #ifndef CONFIG_DEBUG_LL
116 __initcall(p720t_hw_init
);