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| author | Jens Arnold <amiconn@rockbox.org> | 2010-03-19 23:39:00 +0000 |
|---|---|---|
| committer | Jens Arnold <amiconn@rockbox.org> | 2010-03-19 23:39:00 +0000 |
| commit | 2bc9b067028eac40780ab6b8138aea4ec23f9eb6 (patch) | |
| tree | 096371831f306fcc0791dde1af35e313f0929049 | |
| parent | c28f56076e3edd5a39ca0f74e369da6991509600 (diff) | |
| download | rockbox-2bc9b067028eac40780ab6b8138aea4ec23f9eb6.zip rockbox-2bc9b067028eac40780ab6b8138aea4ec23f9eb6.tar.gz rockbox-2bc9b067028eac40780ab6b8138aea4ec23f9eb6.tar.bz2 rockbox-2bc9b067028eac40780ab6b8138aea4ec23f9eb6.tar.xz | |
Reset USB bridge properly when selecting bus powered mode. The bridge might have been set to self powered by the cowon loader, and switching the mode requires a reset. Makes USB work on X5s which were set to 'hub mode' in the OF for some reason.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25252 a1c6a512-1295-4272-9138-f99709370657
| -rw-r--r-- | firmware/target/coldfire/iaudio/usb-iaudio.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/firmware/target/coldfire/iaudio/usb-iaudio.c b/firmware/target/coldfire/iaudio/usb-iaudio.c index 036cd77..f039426 100644 --- a/firmware/target/coldfire/iaudio/usb-iaudio.c +++ b/firmware/target/coldfire/iaudio/usb-iaudio.c @@ -26,9 +26,12 @@ void usb_init_device(void) { - or_l(0x00800010, &GPIO_OUT); /* RESET deasserted, VBUS powered */ + and_l(~0x00800000, &GPIO_OUT); /* RESET asserted */ + or_l(0x00000010, &GPIO_OUT); /* bus powered */ or_l(0x00800010, &GPIO_ENABLE); or_l(0x00800010, &GPIO_FUNCTION); + sleep(1); + or_l(0x00800000, &GPIO_OUT); /* RESET deasserted */ or_l(0x00800000, &GPIO1_FUNCTION); /* USB detect */ } |