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arria 10, linux SDK, dts issue

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Then, I get dtb file socfpga_arria10_socdk_sdmmc.dtb in dir /arch/arm/boot/dts. but the arria 10 board can't bootup with socfpga_arria10_socdk_sdmmc.dtb. 

I download linux-socfpga-gsrd-15.1.1-a10-bin.tar.gz, and extract it. there is a dtb file named socfpga_arria10_socdk.dtb. arria 10 board can bootup with socfpga_arria10_socdk.dtb. 


I don't know why arria 10 board can't bootup with socfpga_arria10_socdk_sdmmc.dtb generated by release linux kernel. 

Is there anybody who encounter the same issue. 


thanks a lot!
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