#include <usb_defs.h>
#include <usbdescriptors.h>
+/*
+ * The EHCI spec says that we must align to at least 32 bytes. However,
+ * some platforms require larger alignment.
+ */
+#if ARCH_DMA_MINALIGN > 32
+#define USB_DMA_MINALIGN ARCH_DMA_MINALIGN
+#else
+#define USB_DMA_MINALIGN 32
+#endif
+
/* Everything is aribtrary */
#define USB_ALTSETTINGALLOC 4
#define USB_MAXALTSETTING 128 /* Hard limit */
int epmaxpacketout[16]; /* OUTput endpoint specific maximums */
int configno; /* selected config number */
- struct usb_device_descriptor descriptor; /* Device Descriptor */
+ /* Device Descriptor */
+ struct usb_device_descriptor descriptor
+ __attribute__((aligned(ARCH_DMA_MINALIGN)));
struct usb_config config; /* config descriptor */
int have_langid; /* whether string_langid is valid yet */