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authorTimothy Pearson <tpearson@raptorengineering.com>2019-05-11 15:12:49 -0500
committerTimothy Pearson <tpearson@raptorengineering.com>2019-05-11 15:12:49 -0500
commit9e80202352dd49bdd9e67b8b906d86f058431505 (patch)
tree5673c17aad6e3833da8c4ff21b5a11f666ec9fbe /src/roms/u-boot/drivers/usb/host/ohci-da8xx.c
downloadhqemu-master.zip
hqemu-master.tar.gz
Initial import of abandoned HQEMU version 2.5.2HEADmaster
Diffstat (limited to 'src/roms/u-boot/drivers/usb/host/ohci-da8xx.c')
-rw-r--r--src/roms/u-boot/drivers/usb/host/ohci-da8xx.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/src/roms/u-boot/drivers/usb/host/ohci-da8xx.c b/src/roms/u-boot/drivers/usb/host/ohci-da8xx.c
new file mode 100644
index 0000000..9816628
--- /dev/null
+++ b/src/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();
+}
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