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-rw-r--r--kernel/arch/arm/mach-imx/ehci.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-imx/ehci.h b/kernel/arch/arm/mach-imx/ehci.h
new file mode 100644
index 000000000..0e060023d
--- /dev/null
+++ b/kernel/arch/arm/mach-imx/ehci.h
@@ -0,0 +1,43 @@
+#ifndef __MACH_IMX_EHCI_H
+#define __MACH_IMX_EHCI_H
+
+/* values for portsc field */
+#define MXC_EHCI_PHY_LOW_POWER_SUSPEND (1 << 23)
+#define MXC_EHCI_FORCE_FS (1 << 24)
+#define MXC_EHCI_UTMI_8BIT (0 << 28)
+#define MXC_EHCI_UTMI_16BIT (1 << 28)
+#define MXC_EHCI_SERIAL (1 << 29)
+#define MXC_EHCI_MODE_UTMI (0 << 30)
+#define MXC_EHCI_MODE_PHILIPS (1 << 30)
+#define MXC_EHCI_MODE_ULPI (2 << 30)
+#define MXC_EHCI_MODE_SERIAL (3 << 30)
+
+/* values for flags field */
+#define MXC_EHCI_INTERFACE_DIFF_UNI (0 << 0)
+#define MXC_EHCI_INTERFACE_DIFF_BI (1 << 0)
+#define MXC_EHCI_INTERFACE_SINGLE_UNI (2 << 0)
+#define MXC_EHCI_INTERFACE_SINGLE_BI (3 << 0)
+#define MXC_EHCI_INTERFACE_MASK (0xf)
+
+#define MXC_EHCI_POWER_PINS_ENABLED (1 << 5)
+#define MXC_EHCI_PWR_PIN_ACTIVE_HIGH (1 << 6)
+#define MXC_EHCI_OC_PIN_ACTIVE_LOW (1 << 7)
+#define MXC_EHCI_TTL_ENABLED (1 << 8)
+
+#define MXC_EHCI_INTERNAL_PHY (1 << 9)
+#define MXC_EHCI_IPPUE_DOWN (1 << 10)
+#define MXC_EHCI_IPPUE_UP (1 << 11)
+#define MXC_EHCI_WAKEUP_ENABLED (1 << 12)
+#define MXC_EHCI_ITC_NO_THRESHOLD (1 << 13)
+
+#define MXC_USBCTRL_OFFSET 0
+#define MXC_USB_PHY_CTR_FUNC_OFFSET 0x8
+#define MXC_USB_PHY_CTR_FUNC2_OFFSET 0xc
+#define MXC_USBH2CTRL_OFFSET 0x14
+
+int mx25_initialize_usb_hw(int port, unsigned int flags);
+int mx31_initialize_usb_hw(int port, unsigned int flags);
+int mx35_initialize_usb_hw(int port, unsigned int flags);
+int mx27_initialize_usb_hw(int port, unsigned int flags);
+
+#endif /* __MACH_IMX_EHCI_H */