diff options
Diffstat (limited to 'arch/sh/boards/se/7751/led.c')
-rw-r--r-- | arch/sh/boards/se/7751/led.c | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/arch/sh/boards/se/7751/led.c b/arch/sh/boards/se/7751/led.c deleted file mode 100644 index de4194d97c88..000000000000 --- a/arch/sh/boards/se/7751/led.c +++ /dev/null | |||
@@ -1,51 +0,0 @@ | |||
1 | /* | ||
2 | * linux/arch/sh/boards/se/7751/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 | #include <linux/sched.h> | ||
12 | #include <asm/se7751.h> | ||
13 | |||
14 | /* Cycle the LED's in the clasic Knightrider/Sun pattern */ | ||
15 | void heartbeat_7751se(void) | ||
16 | { | ||
17 | static unsigned int cnt = 0, period = 0; | ||
18 | volatile unsigned short* p = (volatile unsigned short*)PA_LED; | ||
19 | static unsigned bit = 0, up = 1; | ||
20 | |||
21 | cnt += 1; | ||
22 | if (cnt < period) { | ||
23 | return; | ||
24 | } | ||
25 | |||
26 | cnt = 0; | ||
27 | |||
28 | /* Go through the points (roughly!): | ||
29 | * f(0)=10, f(1)=16, f(2)=20, f(5)=35,f(inf)->110 | ||
30 | */ | ||
31 | period = 110 - ( (300<<FSHIFT)/ | ||
32 | ((avenrun[0]/5) + (3<<FSHIFT)) ); | ||
33 | |||
34 | if (up) { | ||
35 | if (bit == 7) { | ||
36 | bit--; | ||
37 | up=0; | ||
38 | } else { | ||
39 | bit ++; | ||
40 | } | ||
41 | } else { | ||
42 | if (bit == 0) { | ||
43 | bit++; | ||
44 | up=1; | ||
45 | } else { | ||
46 | bit--; | ||
47 | } | ||
48 | } | ||
49 | *p = 1<<(bit+8); | ||
50 | |||
51 | } | ||