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imx6dl UBoot cannot show logo。。。。

Question asked by 尚飞 汤 on Apr 29, 2015
Latest reply on May 3, 2015 by igorpadykov
* LVDS0 mux to IPU1 DI0.
* LVDS1 mux to IPU1 DI1.
reg = readl(IOMUXC_BASE_ADDR + 0xC);
reg &= ~(0x000003C0);
reg |= 0x00000100;
writel(reg, IOMUXC_BASE_ADDR + 0xC);


if (di == 1)
writel(0x40C, IOMUXC_BASE_ADDR + 0x8);
writel(0x201, IOMUXC_BASE_ADDR + 0x8);




can anyone told me, how can i decide the below value????

writel(0x201, IOMUXC_BASE_ADDR + 0x8);

where is the 0x201 come?? and what's this meaning?????