diff options
Diffstat (limited to 'arch/arm/mach-imx/include/mach/usb.h')
| -rw-r--r-- | arch/arm/mach-imx/include/mach/usb.h | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/arch/arm/mach-imx/include/mach/usb.h b/arch/arm/mach-imx/include/mach/usb.h deleted file mode 100644 index 3209bf9095..0000000000 --- a/arch/arm/mach-imx/include/mach/usb.h +++ /dev/null @@ -1,37 +0,0 @@ -#ifndef __MACH_USB_H_ -#define __MACH_USB_H_ - -/* configuration bits for i.MX25 and i.MX35 */ -#define MX35_H1_SIC_SHIFT 21 -#define MX35_H1_SIC_MASK (0x3 << MX35_H1_SIC_SHIFT) -#define MX35_H1_PM_BIT (1 << 16) -#define MX35_H1_IPPUE_UP_BIT (1 << 7) -#define MX35_H1_IPPUE_DOWN_BIT (1 << 6) -#define MX35_H1_TLL_BIT (1 << 5) -#define MX35_H1_USBTE_BIT (1 << 4) -#define MXC_EHCI_INTERFACE_SINGLE_UNI (2 << 0) - -#define USBCMD 0x140 -#define USB_CMD_RESET 0x00000002 - -/* - * imx_reset_otg_controller - reset the USB OTG controller - * @base: The base address of the controller - * - * When booting from USB the ROM just leaves the controller enabled. This can - * have bad side effects when for example we change PLL frequencies. In this - * case it is seen that the hub the board is connected to gets confused and USB - * is no longer working properly on the remote host. This function resets the - * OTG controller. It should be called before the clocks the controller hangs on - * is fiddled with. - */ -static inline void imx_reset_otg_controller(void __iomem *base) -{ - u32 r; - - r = readl(base + USBCMD); - r |= USB_CMD_RESET; - writel(r, base + USBCMD); -} - -#endif /* __MACH_USB_H_*/ |