MUSB_INDEX
musb_writeb(mbase, MUSB_INDEX, hw_ep->epnum);
musb_writeb(mbase, MUSB_INDEX, epnum);
musb->context.index = musb_readb(musb_base, MUSB_INDEX);
musb_writeb(musb_base, MUSB_INDEX, i);
musb_writeb(musb_base, MUSB_INDEX, i);
musb_writeb(musb_base, MUSB_INDEX, musb->context.index);
{ "Index", MUSB_INDEX, 8 },
musb_writeb(mbase, MUSB_INDEX, 0);
case MUSB_INDEX:
case MUSB_INDEX:
musb_writeb(mbase, MUSB_INDEX, epnum);