Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / drivers / usb / host / ohci-da8xx.c

diff --git a/qemu/roms/u-boot/drivers/usb/host/ohci-da8xx.c b/qemu/roms/u-boot/drivers/usb/host/ohci-da8xx.c
new file mode 100644 (file)
index 0000000..9816628
--- /dev/null
+++ b/qemu/roms/u-boot/drivers/usb/host/ohci-da8xx.c
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2012 Sughosh Ganu <urwithsughosh@gmail.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+
+#include <asm/arch/da8xx-usb.h>
+
+int usb_cpu_init(void)
+{
+       /* enable psc for usb2.0 */
+       lpsc_on(DAVINCI_LPSC_USB20);
+
+       /* enable psc for usb1.0 */
+       lpsc_on(DAVINCI_LPSC_USB11);
+
+       /* start the on-chip usb phy and its pll */
+       if (usb_phy_on())
+               return 0;
+
+       return 1;
+}
+
+int usb_cpu_stop(void)
+{
+       usb_phy_off();
+
+       /* turn off the usb clock and assert the module reset */
+       lpsc_disable(DAVINCI_LPSC_USB11);
+       lpsc_disable(DAVINCI_LPSC_USB20);
+
+       return 0;
+}
+
+int usb_cpu_init_fail(void)
+{
+       return usb_cpu_stop();
+}