60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2008 by Jens Arnold
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include "cpu.h"
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#include <stdbool.h>
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#include "kernel.h"
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#include "system.h"
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#include "power.h"
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void ata_reset(void)
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{
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and_l(~0x00000040, &GPIO1_OUT);
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sleep(1); /* > 25us */
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or_l(0x00000040, &GPIO1_OUT);
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sleep(1); /* > 2ms */
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}
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void ata_enable(bool on)
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{
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if(on)
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and_l(~0x01000000, &GPIO1_OUT);
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else
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or_l(0x01000000, &GPIO1_OUT);
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}
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bool ata_is_coldstart(void)
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{
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return true; /* TODO */
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}
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void ata_device_init(void)
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{
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/* ATA enable & reset */
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or_l(0x01000040, &GPIO1_OUT);
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or_l(0x01000040, &GPIO1_ENABLE);
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or_l(0x01000040, &GPIO1_FUNCTION);
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/* USB enable */
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and_l(~0x10000000, &GPIO_OUT);
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or_l(0x10000000, &GPIO_ENABLE);
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or_l(0x10000000, &GPIO_FUNCTION);
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}
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