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

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 036cd77828..f03942667d 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 */
 }