From 149dded2b178bc0fb62cb6f61b87968d914b580a Mon Sep 17 00:00:00 2001 From: wdenk Date: Wed, 10 Sep 2003 18:20:28 +0000 Subject: * Add support for USB Mass Storage Devices (BBB) (tested with USB memory sticks only) * Avoid flicker on TRAB's VFD --- include/usb.h | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'include/usb.h') diff --git a/include/usb.h b/include/usb.h index edb61201a..0008a9a74 100644 --- a/include/usb.h +++ b/include/usb.h @@ -169,7 +169,7 @@ struct usb_device { * this is how the lowlevel part communicate with the outer world */ -#ifdef CONFIG_USB_UHCI +#if defined(CONFIG_USB_UHCI) || defined(CONFIG_USB_OHCI) int usb_lowlevel_init(void); int usb_lowlevel_stop(void); int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer,int transfer_len); @@ -228,6 +228,11 @@ int usb_string(struct usb_device *dev, int index, char *buf, size_t size); int usb_set_interface(struct usb_device *dev, int interface, int alternate); /* big endian -> little endian conversion */ +/* some CPUs are already little endian e.g. the ARM920T */ +#ifdef LITTLEENDIAN +#define swap_16(x) ((unsigned short)(x)) +#define swap_32(x) ((unsigned long)(x)) +#else #define swap_16(x) \ ((unsigned short)( \ (((unsigned short)(x) & (unsigned short)0x00ffU) << 8) | \ @@ -238,6 +243,7 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate); (((unsigned long)(x) & (unsigned long)0x0000ff00UL) << 8) | \ (((unsigned long)(x) & (unsigned long)0x00ff0000UL) >> 8) | \ (((unsigned long)(x) & (unsigned long)0xff000000UL) >> 24) )) +#endif /* LITTLEENDIAN */ /* * Calling this entity a "pipe" is glorifying it. A USB pipe -- cgit v1.2.3