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Diffstat (limited to 'arch/sh/boards/se/770x/led.c')
-rw-r--r-- | arch/sh/boards/se/770x/led.c | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/arch/sh/boards/se/770x/led.c b/arch/sh/boards/se/770x/led.c deleted file mode 100644 index d93dd831b2ad..000000000000 --- a/arch/sh/boards/se/770x/led.c +++ /dev/null | |||
@@ -1,52 +0,0 @@ | |||
1 | /* | ||
2 | * linux/arch/sh/boards/se/770x/led.c | ||
3 | * | ||
4 | * Copyright (C) 2000 Stuart Menefy <stuart.menefy@st.com> | ||
5 | * | ||
6 | * May be copied or modified under the terms of the GNU General Public | ||
7 | * License. See linux/COPYING for more information. | ||
8 | * | ||
9 | * This file contains Solution Engine specific LED code. | ||
10 | */ | ||
11 | |||
12 | #include <linux/sched.h> | ||
13 | #include <asm/se.h> | ||
14 | |||
15 | /* Cycle the LED's in the clasic Knightrider/Sun pattern */ | ||
16 | void heartbeat_se(void) | ||
17 | { | ||
18 | static unsigned int cnt = 0, period = 0; | ||
19 | volatile unsigned short* p = (volatile unsigned short*)PA_LED; | ||
20 | static unsigned bit = 0, up = 1; | ||
21 | |||
22 | cnt += 1; | ||
23 | if (cnt < period) { | ||
24 | return; | ||
25 | } | ||
26 | |||
27 | cnt = 0; | ||
28 | |||
29 | /* Go through the points (roughly!): | ||
30 | * f(0)=10, f(1)=16, f(2)=20, f(5)=35,f(inf)->110 | ||
31 | */ | ||
32 | period = 110 - ( (300<<FSHIFT)/ | ||
33 | ((avenrun[0]/5) + (3<<FSHIFT)) ); | ||
34 | |||
35 | if (up) { | ||
36 | if (bit == 7) { | ||
37 | bit--; | ||
38 | up=0; | ||
39 | } else { | ||
40 | bit ++; | ||
41 | } | ||
42 | } else { | ||
43 | if (bit == 0) { | ||
44 | bit++; | ||
45 | up=1; | ||
46 | } else { | ||
47 | bit--; | ||
48 | } | ||
49 | } | ||
50 | *p = 1<<(bit+8); | ||
51 | |||
52 | } | ||