SV_DMA_COUNT0
outl(count, sonic->dmaa_port + SV_DMA_COUNT0);
outl(count, sonic->dmac_port + SV_DMA_COUNT0);
return (inl(sonic->dmaa_port + SV_DMA_COUNT0) & 0xffffff) + 1;
return ((inl(sonic->dmac_port + SV_DMA_COUNT0) & 0xffffff) + 1) << 1;