diff options
Diffstat (limited to 'arch/sh/boards/mach-microdev/led.c')
-rw-r--r-- | arch/sh/boards/mach-microdev/led.c | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/arch/sh/boards/mach-microdev/led.c b/arch/sh/boards/mach-microdev/led.c deleted file mode 100644 index 36e54b47a75..00000000000 --- a/arch/sh/boards/mach-microdev/led.c +++ /dev/null @@ -1,101 +0,0 @@ -/* - * linux/arch/sh/boards/superh/microdev/led.c - * - * Copyright (C) 2002 Stuart Menefy <stuart.menefy@st.com> - * Copyright (C) 2003 Richard Curnow (Richard.Curnow@superh.com) - * - * May be copied or modified under the terms of the GNU General Public - * License. See linux/COPYING for more information. - * - */ - -#include <asm/io.h> - -#define LED_REGISTER 0xa6104d20 - -static void mach_led_d9(int value) -{ - unsigned long reg; - reg = ctrl_inl(LED_REGISTER); - reg &= ~1; - reg |= (value & 1); - ctrl_outl(reg, LED_REGISTER); - return; -} - -static void mach_led_d10(int value) -{ - unsigned long reg; - reg = ctrl_inl(LED_REGISTER); - reg &= ~2; - reg |= ((value & 1) << 1); - ctrl_outl(reg, LED_REGISTER); - return; -} - - -#ifdef CONFIG_HEARTBEAT -#include <linux/sched.h> - -static unsigned char banner_table[] = { - 0x11, 0x01, 0x11, 0x01, 0x11, 0x03, - 0x11, 0x01, 0x11, 0x01, 0x13, 0x03, - 0x11, 0x01, 0x13, 0x01, 0x13, 0x01, 0x11, 0x03, - 0x11, 0x03, - 0x11, 0x01, 0x13, 0x01, 0x11, 0x03, - 0x11, 0x01, 0x11, 0x01, 0x11, 0x01, 0x11, 0x07, - 0x13, 0x01, 0x13, 0x03, - 0x11, 0x01, 0x11, 0x03, - 0x13, 0x01, 0x11, 0x01, 0x13, 0x01, 0x11, 0x03, - 0x11, 0x01, 0x13, 0x01, 0x11, 0x03, - 0x13, 0x01, 0x13, 0x01, 0x13, 0x03, - 0x13, 0x01, 0x11, 0x01, 0x11, 0x03, - 0x11, 0x03, - 0x11, 0x01, 0x11, 0x01, 0x11, 0x01, 0x13, 0x07, - 0xff -}; - -static void banner(void) -{ - static int pos = 0; - static int count = 0; - - if (count) { - count--; - } else { - int val = banner_table[pos]; - if (val == 0xff) { - pos = 0; - val = banner_table[pos]; - } - pos++; - mach_led_d10((val >> 4) & 1); - count = 10 * (val & 0xf); - } -} - -/* From heartbeat_harp in the stboards directory */ -/* acts like an actual heart beat -- ie thump-thump-pause... */ -void microdev_heartbeat(void) -{ - static unsigned cnt = 0, period = 0, dist = 0; - - if (cnt == 0 || cnt == dist) - mach_led_d9(1); - else if (cnt == 7 || cnt == dist+7) - mach_led_d9(0); - - if (++cnt > period) { - cnt = 0; - /* The hyperbolic function below modifies the heartbeat period - * length in dependency of the current (5min) load. It goes - * through the points f(0)=126, f(1)=86, f(5)=51, - * f(inf)->30. */ - period = ((672<<FSHIFT)/(5*avenrun[0]+(7<<FSHIFT))) + 30; - dist = period / 4; - } - - banner(); -} - -#endif |