e4dbcc414b
- ata.h is for users of ata.c - ata-driver.h is for functions implemented by target-specific code and used by ata.c - ata-target.h is for target-specific defines git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31182 a1c6a512-1295-4272-9138-f99709370657
67 lines
1.9 KiB
C
67 lines
1.9 KiB
C
/***************************************************************************
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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) 2006 by Linus Nielsen Feltzing
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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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#include "pcf50606.h"
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#include "ata-driver.h"
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void ata_reset(void)
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{
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and_l(~0x40000000, &GPIO_OUT);
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sleep(1); /* > 25us */
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or_l(0x40000000, &GPIO_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(~0x00000800, &GPIO1_OUT);
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else
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or_l(0x00000800, &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 reset */
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or_l(0x40000000, &GPIO_OUT);
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or_l(0x40000000, &GPIO_ENABLE);
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or_l(0x40000000, &GPIO_FUNCTION);
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/* ATA enable */
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or_l(0x00000800, &GPIO1_OUT);
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or_l(0x00000800, &GPIO1_ENABLE);
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or_l(0x00000800, &GPIO1_FUNCTION);
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/* USB enable */
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and_l(~0x00000008, &GPIO1_OUT);
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or_l(0x00000008, &GPIO1_ENABLE);
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or_l(0x00000008, &GPIO1_FUNCTION);
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}
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