diff options
Diffstat (limited to 'arch/sh/boards/cat68701/setup.c')
-rw-r--r-- | arch/sh/boards/cat68701/setup.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/arch/sh/boards/cat68701/setup.c b/arch/sh/boards/cat68701/setup.c new file mode 100644 index 000000000000..ae8a350ade53 --- /dev/null +++ b/arch/sh/boards/cat68701/setup.c | |||
@@ -0,0 +1,86 @@ | |||
1 | /* | ||
2 | * linux/arch/sh/boards/cat68701/setup.c | ||
3 | * | ||
4 | * Copyright (C) 2000 Niibe Yutaka | ||
5 | * 2001 Yutaro Ebihara | ||
6 | * | ||
7 | * Setup routines for A-ONE Corp CAT-68701 SH7708 Board | ||
8 | * | ||
9 | * This file is subject to the terms and conditions of the GNU General Public | ||
10 | * License. See the file "COPYING" in the main directory of this archive | ||
11 | * for more details. | ||
12 | * | ||
13 | */ | ||
14 | |||
15 | #include <asm/io.h> | ||
16 | #include <asm/machvec.h> | ||
17 | #include <asm/mach/io.h> | ||
18 | #include <linux/config.h> | ||
19 | #include <linux/module.h> | ||
20 | #include <linux/init.h> | ||
21 | #include <linux/sched.h> | ||
22 | |||
23 | const char *get_system_type(void) | ||
24 | { | ||
25 | return "CAT-68701"; | ||
26 | } | ||
27 | |||
28 | #ifdef CONFIG_HEARTBEAT | ||
29 | void heartbeat_cat68701() | ||
30 | { | ||
31 | static unsigned int cnt = 0, period = 0 , bit = 0; | ||
32 | cnt += 1; | ||
33 | if (cnt < period) { | ||
34 | return; | ||
35 | } | ||
36 | cnt = 0; | ||
37 | |||
38 | /* Go through the points (roughly!): | ||
39 | * f(0)=10, f(1)=16, f(2)=20, f(5)=35,f(inf)->110 | ||
40 | */ | ||
41 | period = 110 - ( (300<<FSHIFT)/ | ||
42 | ((avenrun[0]/5) + (3<<FSHIFT)) ); | ||
43 | |||
44 | if(bit){ bit=0; }else{ bit=1; } | ||
45 | outw(bit<<15,0x3fe); | ||
46 | } | ||
47 | #endif /* CONFIG_HEARTBEAT */ | ||
48 | |||
49 | unsigned long cat68701_isa_port2addr(unsigned long offset) | ||
50 | { | ||
51 | /* CompactFlash (IDE) */ | ||
52 | if (((offset >= 0x1f0) && (offset <= 0x1f7)) || (offset==0x3f6)) | ||
53 | return 0xba000000 + offset; | ||
54 | |||
55 | /* INPUT PORT */ | ||
56 | if ((offset >= 0x3fc) && (offset <= 0x3fd)) | ||
57 | return 0xb4007000 + offset; | ||
58 | |||
59 | /* OUTPUT PORT */ | ||
60 | if ((offset >= 0x3fe) && (offset <= 0x3ff)) | ||
61 | return 0xb4007400 + offset; | ||
62 | |||
63 | return offset + 0xb4000000; /* other I/O (EREA 5)*/ | ||
64 | } | ||
65 | |||
66 | /* | ||
67 | * The Machine Vector | ||
68 | */ | ||
69 | |||
70 | struct sh_machine_vector mv_cat68701 __initmv = { | ||
71 | .mv_nr_irqs = 32, | ||
72 | .mv_isa_port2addr = cat68701_isa_port2addr, | ||
73 | .mv_irq_demux = cat68701_irq_demux, | ||
74 | |||
75 | .mv_init_irq = init_cat68701_IRQ, | ||
76 | #ifdef CONFIG_HEARTBEAT | ||
77 | .mv_heartbeat = heartbeat_cat68701, | ||
78 | #endif | ||
79 | }; | ||
80 | ALIAS_MV(cat68701) | ||
81 | |||
82 | int __init platform_setup(void) | ||
83 | { | ||
84 | /* dummy read erea5 (CS8900A) */ | ||
85 | } | ||
86 | |||