S3C2XX0_XTAL_CLK
f = ((mdiv + 8) * S3C2XX0_XTAL_CLK) / ((pdiv + 2) * (1 << sdiv));
f = ((mdiv + 8) * S3C2XX0_XTAL_CLK) / ((pdiv + 2) * (1 << sdiv)) * 2;
f = ((mdiv + 8) * S3C2XX0_XTAL_CLK) / ((pdiv + 2) * (1 << sdiv));
f = ((mdiv + 8) * S3C2XX0_XTAL_CLK) / ((pdiv + 2) * (1 << sdiv)) * 2;