firmware/target/coldfire/iriver/h300/power-h300.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 by Linus Nielsen Feltzing
  11  *
  12  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19 #include "config.h"
  20 #include "cpu.h"
  21 #include <stdbool.h>
  22 #include "kernel.h"
  23 #include "system.h"
  24 #include "power.h"
  25 #include "pcf50606.h"
  26
  27
  28 #if CONFIG_TUNER
  29
  30 bool tuner_power(bool status)
  31 {
  32     (void)status;
  33     return true;
  34 }
  35
  36 #endif /* #if CONFIG_TUNER */
  37
  38 #ifndef SIMULATOR
  39
  40 void power_init(void)
  41 {
  42     or_l(0x00080000, &GPIO1_OUT);
  43     or_l(0x00080000, &GPIO1_ENABLE);
  44     or_l(0x00080000, &GPIO1_FUNCTION);
  45
  46 #ifndef BOOTLOADER
  47     /* The boot loader controls the power */
  48     ide_power_enable(true);
  49 #endif
  50     or_l(0x80000000, &GPIO_ENABLE);
  51     or_l(0x80000000, &GPIO_FUNCTION);
  52     pcf50606_init();
  53 }
  54
  55
  56 #if CONFIG_CHARGING
  57 bool charger_inserted(void)
  58 {
  59     return (GPIO1_READ & 0x00400000)?true:false;
  60 }
  61 #endif /* CONFIG_CHARGING */
  62
  63 /* Returns true if the unit is charging the batteries. */
  64 bool charging_state(void) {
  65     return (GPIO_READ & 0x00800000)?true:false;
  66 }
  67
  68
  69 void ide_power_enable(bool on)
  70 {
  71     if(on)
  72         and_l(~0x80000000, &GPIO_OUT);
  73     else
  74         or_l(0x80000000, &GPIO_OUT);
  75 }
  76
  77
  78 bool ide_powered(void)
  79 {
  80     return (GPIO_OUT & 0x80000000)?false:true;
  81 }
  82
  83
  84 void power_off(void)
  85 {
  86     set_irq_level(DISABLE_INTERRUPTS);
  87     and_l(~0x00080000, &GPIO1_OUT);
  88     asm("halt");
  89     while(1);
  90 }
  91
  92 #endif /* SIMULATOR */