aboutsummaryrefslogtreecommitdiffstats
path: root/arch/mips/ar7/setup.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/ar7/setup.c')
-rw-r--r--arch/mips/ar7/setup.c93
1 files changed, 93 insertions, 0 deletions
diff --git a/arch/mips/ar7/setup.c b/arch/mips/ar7/setup.c
new file mode 100644
index 000000000000..39f6b5b96463
--- /dev/null
+++ b/arch/mips/ar7/setup.c
@@ -0,0 +1,93 @@
1/*
2 * Carsten Langgaard, carstenl@mips.com
3 * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
4 *
5 * This program is free software; you can distribute it and/or modify it
6 * under the terms of the GNU General Public License (Version 2) as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * for more details.
13 *
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
17 */
18#include <linux/init.h>
19#include <linux/ioport.h>
20#include <linux/pm.h>
21#include <linux/time.h>
22
23#include <asm/reboot.h>
24#include <asm/mach-ar7/ar7.h>
25#include <asm/mach-ar7/prom.h>
26
27static void ar7_machine_restart(char *command)
28{
29 u32 *softres_reg = ioremap(AR7_REGS_RESET +
30 AR7_RESET_SOFTWARE, 1);
31 writel(1, softres_reg);
32}
33
34static void ar7_machine_halt(void)
35{
36 while (1)
37 ;
38}
39
40static void ar7_machine_power_off(void)
41{
42 u32 *power_reg = (u32 *)ioremap(AR7_REGS_POWER, 1);
43 u32 power_state = readl(power_reg) | (3 << 30);
44 writel(power_state, power_reg);
45 ar7_machine_halt();
46}
47
48const char *get_system_type(void)
49{
50 u16 chip_id = ar7_chip_id();
51 switch (chip_id) {
52 case AR7_CHIP_7300:
53 return "TI AR7 (TNETD7300)";
54 case AR7_CHIP_7100:
55 return "TI AR7 (TNETD7100)";
56 case AR7_CHIP_7200:
57 return "TI AR7 (TNETD7200)";
58 default:
59 return "TI AR7 (Unknown)";
60 }
61}
62
63static int __init ar7_init_console(void)
64{
65 return 0;
66}
67console_initcall(ar7_init_console);
68
69/*
70 * Initializes basic routines and structures pointers, memory size (as
71 * given by the bios and saves the command line.
72 */
73
74void __init plat_mem_setup(void)
75{
76 unsigned long io_base;
77
78 _machine_restart = ar7_machine_restart;
79 _machine_halt = ar7_machine_halt;
80 pm_power_off = ar7_machine_power_off;
81 panic_timeout = 3;
82
83 io_base = (unsigned long)ioremap(AR7_REGS_BASE, 0x10000);
84 if (!io_base)
85 panic("Can't remap IO base!\n");
86 set_io_port_base(io_base);
87
88 prom_meminit();
89
90 printk(KERN_INFO "%s, ID: 0x%04x, Revision: 0x%02x\n",
91 get_system_type(),
92 ar7_chip_id(), ar7_chip_rev());
93}