diff options
Diffstat (limited to 'firmware/target/coldfire/iaudio/usb-iaudio.c')
-rw-r--r-- | firmware/target/coldfire/iaudio/usb-iaudio.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/firmware/target/coldfire/iaudio/usb-iaudio.c b/firmware/target/coldfire/iaudio/usb-iaudio.c new file mode 100644 index 0000000000..3bd1a7a458 --- /dev/null +++ b/firmware/target/coldfire/iaudio/usb-iaudio.c @@ -0,0 +1,45 @@ +/*************************************************************************** + * __________ __ ___. + * 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 <stdbool.h> +#include "cpu.h" +#include "system.h" + +void usb_init_device(void) +{ + or_l(0x00800010, &GPIO_OUT); /* RESET deasserted, VBUS powered */ + or_l(0x00800010, &GPIO_ENABLE); + or_l(0x00800010, &GPIO_FUNCTION); + + or_l(0x00800000, &GPIO1_FUNCTION); /* USB detect */ +} + +bool usb_detect(void) +{ + return (GPIO1_READ & 0x00800000)?true:false; +} + +void usb_enable(bool on) +{ + if(on) { + or_l(0x00000008, &GPIO1_OUT); + } else { + and_l(~0x00000008, &GPIO1_OUT); + } +} |