Reset i2c slave devices during init on mpc5xxx cpus

[u-boot] / cpu / mpc5xxx / usb.c

diff --git a/cpu/mpc5xxx/usb.c b/cpu/mpc5xxx/usb.c
index 8f2b66a518645a3681f72f519a19c7826d2ce24f..bec7da3eab230baa483db96afbedd32f11beb3e6 100644 (file)
--- a/cpu/mpc5xxx/usb.c
+++ b/cpu/mpc5xxx/usb.c
@@ -32,9 +32,13 @@ int usb_cpu_init(void)
        /* Set the USB Clock                                                 */
        *(vu_long *)MPC5XXX_CDM_48_FDC = CONFIG_USB_CLOCK;
 
+#ifdef CONFIG_PSC3_USB /* USB is using the alternate configuration */
+       /* remove all PSC3 USB bits first before ORing in ours */
+       *(vu_long *)MPC5XXX_GPS_PORT_CONFIG &= ~0x00804f00;
+#else
        /* remove all USB bits first before ORing in ours */
        *(vu_long *)MPC5XXX_GPS_PORT_CONFIG &= ~0x00807000;
-
+#endif
        /* Activate USB port                                                 */
        *(vu_long *)MPC5XXX_GPS_PORT_CONFIG |= CONFIG_USB_CONFIG;