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path: root/drivers/usb/host/ohci-ep93xx.c
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Diffstat (limited to 'drivers/usb/host/ohci-ep93xx.c')
-rw-r--r--drivers/usb/host/ohci-ep93xx.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/usb/host/ohci-ep93xx.c b/drivers/usb/host/ohci-ep93xx.c
new file mode 100644
index 0000000..8fb4aba
--- /dev/null
+++ b/drivers/usb/host/ohci-ep93xx.c
@@ -0,0 +1,38 @@
+/*
+ * (C) Copyright 2013
+ * Sergey Kostanbaev < sergey.kostanbaev <at> fairwaves.ru >
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <config.h>
+#include <common.h>
+
+#if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT)
+#include <asm/io.h>
+#include <asm/arch/ep93xx.h>
+
+int usb_cpu_init(void)
+{
+ struct syscon_regs *syscon = (struct syscon_regs *)SYSCON_BASE;
+ unsigned long pwr = readl(&syscon->pwrcnt);
+ writel(pwr | SYSCON_PWRCNT_USH_EN, &syscon->pwrcnt);
+
+ return 0;
+}
+
+int usb_cpu_stop(void)
+{
+ struct syscon_regs *syscon = (struct syscon_regs *)SYSCON_BASE;
+ unsigned long pwr = readl(&syscon->pwrcnt);
+ writel(pwr & ~SYSCON_PWRCNT_USH_EN, &syscon->pwrcnt);
+
+ return 0;
+}
+
+int usb_cpu_init_fail(void)
+{
+ return usb_cpu_stop();
+}
+
+#endif /* defined(CONFIG_USB_OHCI) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT) */