Add qemu 2.4.0
[kvmfornfv.git] / qemu / roms / u-boot / arch / powerpc / cpu / mpc5xxx / usb.c
diff --git a/qemu/roms/u-boot/arch/powerpc/cpu/mpc5xxx/usb.c b/qemu/roms/u-boot/arch/powerpc/cpu/mpc5xxx/usb.c
new file mode 100644 (file)
index 0000000..bdf1484
--- /dev/null
@@ -0,0 +1,42 @@
+/*
+ * (C) Copyright 2007
+ * Markus Klotzbuecher, DENX Software Engineering <mk@denx.de>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+
+#if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT)
+
+#include <mpc5xxx.h>
+
+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;
+
+       return 0;
+}
+
+int usb_cpu_stop(void)
+{
+       return 0;
+}
+
+int usb_cpu_init_fail(void)
+{
+       return 0;
+}
+
+#endif /* defined(CONFIG_USB_OHCI) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT) */