HOST_CTRL0_FSEL_MASK
phyhost &= ~HOST_CTRL0_FSEL_MASK;
phyhost |= __SHIFTIN(FSEL_CLKSEL_24M, HOST_CTRL0_FSEL_MASK);
val &= ~HOST_CTRL0_FSEL_MASK;
val |= __SHIFTIN(FSEL_CLKSEL_24M, HOST_CTRL0_FSEL_MASK);