1 files changed, 130 insertions, 0 deletions

diff --git a/firmware/target/coldfire/mpio/power-mpio.c b/firmware/target/coldfire/mpio/power-mpio.c
new file mode 100644
index 0000000000..3034bab82d
--- /dev/null
+++ b/firmware/target/coldfire/mpio/power-mpio.c
@@ -0,0 +1,130 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2010 Marcin Bukat
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include "config.h"
+#include "cpu.h"
+#include <stdbool.h>
+#include "kernel.h"
+#include "system.h"
+#include "lcd.h"
+#include "power.h"
+
+#if CONFIG_TUNER
+bool tuner_power(bool status)
+{
+    if (status)
+        and_l(~(1<<17), &GPIO1_OUT);
+    else
+        or_l((1<<17), &GPIO1_OUT);
+
+    return status;
+}
+#endif /* #if CONFIG_TUNER */
+
+void power_init(void)
+{
+    /* GPIO53 has to be high - low resets device
+     * it is setup in crt0.S
+     */
+
+    /* GPIO50 is ATA power (default OFF) */
+    or_l((1<<18), &GPIO1_OUT);
+    or_l((1<<18), &GPIO1_ENABLE);
+    or_l((1<<18), &GPIO1_FUNCTION);
+
+    /* GPIO49 is FM power (default OFF) */
+    or_l((1<<17), &GPIO1_OUT);
+    or_l((1<<17), &GPIO1_ENABLE);
+    or_l((1<<17), &GPIO1_FUNCTION);
+
+    /* GPIO46 is wall charger detect (input) */
+    and_l(~(1<<14), &GPIO1_ENABLE);
+    or_l((1<<14), &GPIO1_FUNCTION);
+
+    /* GPIO31 needs to be low */
+    and_l(~(1<<31), &GPIO_OUT);
+    or_l((1<<31),&GPIO_ENABLE);
+    or_l((1<<31),&GPIO_FUNCTION);
+   
+    /* turn off charger by default*/
+    or_l((1<<23), &GPIO_OUT);
+    or_l((1<<23), &GPIO_ENABLE);
+    or_l((1<<23), &GPIO_FUNCTION);
+
+    /* high current charge mode */
+    or_l((1<<15), &GPIO_OUT);
+    or_l((1<<15),&GPIO_ENABLE);
+    or_l((1<<15),&GPIO_FUNCTION);
+
+#ifndef BOOTLOADER
+    /* The boot loader controls the power */
+    ide_power_enable(true);
+#endif
+}
+
+unsigned int power_input_status(void)
+{
+    unsigned int status = POWER_INPUT_NONE;
+/* GPIO46 is AC plug detect (low = AC plugged) */
+    if (!(GPIO1_READ & (1<<14)))
+    {
+        status |= POWER_INPUT_MAIN_CHARGER;
+        /* tristate GPIO23 to start charging cycle */
+        and_l(~(1<<23), &GPIO_ENABLE);
+    }
+    else
+    {
+        /* drive GPIO23 high to enter LTC1733 shutdown mode */
+        or_l((1<<23), &GPIO_ENABLE);
+    }
+    return status;
+}
+
+/* Returns true if the unit is charging the batteries. */
+bool charging_state(void)
+{
+    if (!(GPIO1_READ & (1<<14)))
+        return (GPIO_READ & (1<<30) )?false:true;
+    else
+        return false;
+}
+
+void ide_power_enable(bool on)
+{
+    if (on)
+        and_l(~(1<<18),&GPIO1_OUT);
+    else
+        or_l((1<<18),&GPIO1_OUT);
+}
+
+bool ide_powered(void)
+{
+    return (GPIO1_OUT & (1<<18))?false:true;
+}
+
+void power_off(void)
+{
+    lcd_shutdown();
+    set_irq_level(DISABLE_INTERRUPTS);
+    and_l(~(1<<21), &GPIO1_OUT); /* pull KEEPACT low */
+    asm("halt");
+    while(1);
+}