ESDHC_CTRL_BUSWIDTH_MASK
esdhc_clrset_le(host, ESDHC_CTRL_BUSWIDTH_MASK, ctrl,
#define USDHC_GET_BUSWIDTH(c) (c & ESDHC_CTRL_BUSWIDTH_MASK)
mask = 0xffff & ~(ESDHC_CTRL_BUSWIDTH_MASK | ESDHC_CTRL_D3CD);
esdhc_clrset_be(host, ESDHC_CTRL_BUSWIDTH_MASK,
esdhc_clrset_be(host, ESDHC_CTRL_BUSWIDTH_MASK,
ctrl &= (~ESDHC_CTRL_BUSWIDTH_MASK);
bus_width = val & ESDHC_CTRL_BUSWIDTH_MASK;
val &= ~ESDHC_CTRL_BUSWIDTH_MASK;