MIPHY_PLL_SBR_4
writeb_relaxed(0x81, base + MIPHY_PLL_SBR_4);
writeb_relaxed(0x21, base + MIPHY_PLL_SBR_4);
writeb_relaxed(0x21, base + MIPHY_PLL_SBR_4);
writeb_relaxed(0xa0, base + MIPHY_PLL_SBR_4);
writeb_relaxed(0xa1, base + MIPHY_PLL_SBR_4);