diff options
Diffstat (limited to 'firmware/target/coldfire/iaudio/ata-iaudio.c')
-rw-r--r-- | firmware/target/coldfire/iaudio/ata-iaudio.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/firmware/target/coldfire/iaudio/ata-iaudio.c b/firmware/target/coldfire/iaudio/ata-iaudio.c new file mode 100644 index 0000000000..21c088288a --- /dev/null +++ b/firmware/target/coldfire/iaudio/ata-iaudio.c @@ -0,0 +1,64 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2006 by Linus Nielsen Feltzing + * + * All files in this archive are subject to the GNU General Public License. + * See the file COPYING in the source tree root for full license agreement. + * + * 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 "power.h" +#include "pcf50606.h" + +void ata_reset(void) +{ + and_l(~0x40000000, &GPIO_OUT); + sleep(1); /* > 25us */ + or_l(0x40000000, &GPIO_OUT); + sleep(1); /* > 2ms */ +} + +void ata_enable(bool on) +{ + if(on) + and_l(~0x00000800, &GPIO1_OUT); + else + or_l(0x00000800, &GPIO1_OUT); +} + +bool ata_is_coldstart(void) +{ + return true; /* TODO */ +} + +void ata_device_init(void) +{ + /* ATA reset */ + or_l(0x40000000, &GPIO_OUT); + or_l(0x40000000, &GPIO_ENABLE); + or_l(0x40000000, &GPIO_FUNCTION); + + /* ATA enable */ + or_l(0x00000800, &GPIO1_OUT); + or_l(0x00000800, &GPIO1_ENABLE); + or_l(0x00000800, &GPIO1_FUNCTION); + + /* USB enable */ + and_l(~0x00000008, &GPIO1_OUT); + or_l(0x00000008, &GPIO1_ENABLE); + or_l(0x00000008, &GPIO1_FUNCTION); +} |