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path: root/drivers/usb/host/ehci-uniphier.c
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Diffstat (limited to 'drivers/usb/host/ehci-uniphier.c')
-rw-r--r--drivers/usb/host/ehci-uniphier.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-uniphier.c b/drivers/usb/host/ehci-uniphier.c
new file mode 100644
index 0000000..77f6c9d
--- /dev/null
+++ b/drivers/usb/host/ehci-uniphier.c
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2014 Panasonic Corporation
+ * Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <usb.h>
+#include <asm/arch/ehci-uniphier.h>
+#include "ehci.h"
+
+/*
+ * Create the appropriate control structures to manage
+ * a new EHCI host controller.
+ */
+int ehci_hcd_init(int index, enum usb_init_type init, struct ehci_hccr **hccr,
+ struct ehci_hcor **hcor)
+{
+ struct ehci_hccr *cr;
+ struct ehci_hcor *or;
+
+ uniphier_ehci_reset(index, 0);
+
+ cr = (struct ehci_hccr *)(uniphier_ehci_platdata[index].base);
+ or = (void *)cr + HC_LENGTH(ehci_readl(&cr->cr_capbase));
+
+ *hccr = cr;
+ *hcor = or;
+
+ return 0;
+}
+
+int ehci_hcd_stop(int index)
+{
+ uniphier_ehci_reset(index, 1);
+
+ return 0;
+}