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author | Jens Arnold <amiconn@rockbox.org> | 2008-03-12 23:36:05 +0000 |
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committer | Jens Arnold <amiconn@rockbox.org> | 2008-03-12 23:36:05 +0000 |
commit | 2b5f9aec646aceaf24b243e38e1de316e1bc3475 (patch) | |
tree | dad72e25ea1c25cdedc9f8e456ad5bc0facd9840 /firmware/target | |
parent | 80ded2ad7c819cb111e178aefe0f0afc168bf63d (diff) | |
download | rockbox-2b5f9aec646aceaf24b243e38e1de316e1bc3475.tar.gz rockbox-2b5f9aec646aceaf24b243e38e1de316e1bc3475.zip |
Make ATA work on M3.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16650 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target')
-rw-r--r-- | firmware/target/coldfire/iaudio/m3/ata-m3.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/firmware/target/coldfire/iaudio/m3/ata-m3.c b/firmware/target/coldfire/iaudio/m3/ata-m3.c new file mode 100644 index 0000000000..3a0a28b618 --- /dev/null +++ b/firmware/target/coldfire/iaudio/m3/ata-m3.c @@ -0,0 +1,59 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2008 by Jens Arnold + * + * 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" + +void ata_reset(void) +{ + and_l(~0x00000040, &GPIO1_OUT); + sleep(1); /* > 25us */ + or_l(0x00000040, &GPIO1_OUT); + sleep(1); /* > 2ms */ +} + +void ata_enable(bool on) +{ + if(on) + and_l(~0x01000000, &GPIO1_OUT); + else + or_l(0x01000000, &GPIO1_OUT); +} + +bool ata_is_coldstart(void) +{ + return true; /* TODO */ +} + +void ata_device_init(void) +{ + /* ATA enable & reset */ + or_l(0x01000040, &GPIO1_OUT); + or_l(0x01000040, &GPIO1_ENABLE); + or_l(0x01000040, &GPIO1_FUNCTION); + + /* USB enable */ + and_l(~0x10000000, &GPIO_OUT); + or_l(0x10000000, &GPIO_ENABLE); + or_l(0x10000000, &GPIO_FUNCTION); +} |