firmware/target/arm/tcc780x/cowond2/power-cowond2.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2007 Dave Chapman
  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 "cpu.h"
  20 #include "kernel.h"
  21 #include "system.h"
  22 #include "power.h"
  23 #include "pcf50606.h"
  24 #include "cpu.h"
  25
  26 #ifndef SIMULATOR
  27
  28 void power_init(void)
  29 {
  30     /* Set outputs as per OF - further investigation required. */
  31     pcf50606_write(PCF5060X_DCDEC1,  0xe4);
  32     pcf50606_write(PCF5060X_IOREGC,  0xf5);
  33     pcf50606_write(PCF5060X_D1REGC1, 0xf5);
  34     pcf50606_write(PCF5060X_D2REGC1, 0xe9);
  35     pcf50606_write(PCF5060X_D3REGC1, 0xf8); /* WM8985 3.3v */
  36     pcf50606_write(PCF5060X_DCUDC1,  0xe7);
  37     pcf50606_write(PCF5060X_LPREGC1, 0x0);
  38     pcf50606_write(PCF5060X_LPREGC2, 0x2);
  39 }
  40
  41 void ide_power_enable(bool on)
  42 {
  43     (void)on;
  44 }
  45
  46 bool ide_powered(void)
  47 {
  48     return true;
  49 }
  50
  51 void power_off(void)
  52 {
  53     /* Forcibly cut power to SoC & peripherals by putting the PCF to sleep */
  54     pcf50606_write(PCF5060X_OOCC1, GOSTDBY | CHGWAK | EXTONWAK);
  55 }
  56
  57 #else /* SIMULATOR */
  58
  59 bool charger_inserted(void)
  60 {
  61     return false;
  62 }
  63
  64 void charger_enable(bool on)
  65 {
  66     (void)on;
  67 }
  68
  69 void power_off(void)
  70 {
  71 }
  72
  73 void ide_power_enable(bool on)
  74 {
  75    (void)on;
  76 }
  77
  78 #endif /* SIMULATOR */