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Diffstat (limited to 'arch/sh/boards/se/73180/led.c')
-rw-r--r-- | arch/sh/boards/se/73180/led.c | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/arch/sh/boards/se/73180/led.c b/arch/sh/boards/se/73180/led.c deleted file mode 100644 index 4b72e9a3ead9..000000000000 --- a/arch/sh/boards/se/73180/led.c +++ /dev/null | |||
@@ -1,53 +0,0 @@ | |||
1 | /* | ||
2 | * arch/sh/boards/se/73180/led.c | ||
3 | * | ||
4 | * Derived from arch/sh/boards/se/770x/led.c | ||
5 | * | ||
6 | * Copyright (C) 2000 Stuart Menefy <stuart.menefy@st.com> | ||
7 | * | ||
8 | * May be copied or modified under the terms of the GNU General Public | ||
9 | * License. See linux/COPYING for more information. | ||
10 | * | ||
11 | * This file contains Solution Engine specific LED code. | ||
12 | */ | ||
13 | |||
14 | #include <linux/sched.h> | ||
15 | #include <asm/mach/se73180.h> | ||
16 | |||
17 | /* Cycle the LED's in the clasic Knightrider/Sun pattern */ | ||
18 | void heartbeat_73180se(void) | ||
19 | { | ||
20 | static unsigned int cnt = 0, period = 0; | ||
21 | volatile unsigned short *p = (volatile unsigned short *) PA_LED; | ||
22 | static unsigned bit = 0, up = 1; | ||
23 | |||
24 | cnt += 1; | ||
25 | if (cnt < period) { | ||
26 | return; | ||
27 | } | ||
28 | |||
29 | cnt = 0; | ||
30 | |||
31 | /* Go through the points (roughly!): | ||
32 | * f(0)=10, f(1)=16, f(2)=20, f(5)=35,f(inf)->110 | ||
33 | */ | ||
34 | period = 110 - ((300 << FSHIFT) / ((avenrun[0] / 5) + (3 << FSHIFT))); | ||
35 | |||
36 | if (up) { | ||
37 | if (bit == 7) { | ||
38 | bit--; | ||
39 | up = 0; | ||
40 | } else { | ||
41 | bit++; | ||
42 | } | ||
43 | } else { | ||
44 | if (bit == 0) { | ||
45 | bit++; | ||
46 | up = 1; | ||
47 | } else { | ||
48 | bit--; | ||
49 | } | ||
50 | } | ||
51 | *p = 1 << (bit + LED_SHIFT); | ||
52 | |||
53 | } | ||