diff options
Diffstat (limited to 'arch/mips/ar7/setup.c')
-rw-r--r-- | arch/mips/ar7/setup.c | 93 |
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 | |||
27 | static 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 | |||
34 | static void ar7_machine_halt(void) | ||
35 | { | ||
36 | while (1) | ||
37 | ; | ||
38 | } | ||
39 | |||
40 | static 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 | |||
48 | const 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 | |||
63 | static int __init ar7_init_console(void) | ||
64 | { | ||
65 | return 0; | ||
66 | } | ||
67 | console_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 | |||
74 | void __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 | } | ||