Hi Haikun Wang, I have a question about the source of uboot.
http://lists.denx.de/pipermail/u-boot/2015-June/217446.html >u32 __iomem *dcfg_ccsr = (u32 __iomem *)DCFG_BASE; >val = in_le32(dcfg_ccsr + DCFG_RCWSR13 / 4); The question is this, why does DCFG_RCWSR13 device by 4. (1)dcfg_ccsr is the base address of Dcfg_ccsr (2)DCFG_RCWSR13 is the offset of Dcfg_rcwsr13 So I think the next is right >val = in_le32(dcfg_ccsr + DCFG_RCWSR13); Pardon me my clumsiness. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot