Clearfog Pro mPCIe testing
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Build : Armbian_5.75_Clearfogpro_Debian_stretch_next_4.14.98
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U-BootKernelOSTest CasePCIe1PCIe2PCIe1 DetectionPCIe2 DetectionComment
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U-BootKernelU-BootKernel
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2013.014.14.98Stretch1WIFISATAyesnononoWhen WIFI card present, U-boot reset or System reboot will hand at U-boot next boot cycle, with following message
:** Link is Gen1, check the EP capability
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2emptySATAn/an/ayesyes
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3WIFIemptyyesyesn/an/a
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4SATAemptyyesyesn/an/a
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5SATAWIFIyesnonoyes
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6emptyWIFIn/an/ayesyes
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Build : Armbian_5.91_Clearfogpro_Debian_buster_default_4.14.134
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U-BootKernelOSTest CasePCIe1PCIe2PCIe1 DetectionPCIe2 DetectionComment
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U-BootKernelU-BootKernel
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2018.014.14.134Buster1WIFISATAyesyesnoyesWhen 2 slot populated, following U-Boot error appear :
Cannot add window '4:d8', conflicts with another window
PCIe unable to add mbus window for mem at f0000000+08000000

Memory controller that we always see in 2013.1, never appear here
00.01.00 0x11ab 0x6828 Memory controller 0x8
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2emptySATAn/an/ayesyes
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3WIFIemptyyesyesn/an/a
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4SATAemptyyesyesn/an/a
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5SATAWIFIyesyesnoyes
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6emptyWIFIn/an/ayesyes
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Build : Armbian_5.91_Clearfogpro_Debian_buster_next_4.19.60
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U-BootKernelOSTest CasePCIe1PCIe2PCIe1 DetectionPCIe2 DetectionComment
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U-BootKernelU-BootKernel
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2019.044.19.60Buster1WIFISATAnonononoCannot prob any PCIe device in U-Boot

* Even if SATA controller detected, the attached SSD is unfortunately not detected
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2emptySATAn/an/anoyes*
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3WIFIemptynoyesn/an/a
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4SATAemptynoyes*n/an/a
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5SATAWIFInoyes*nono
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6emptyWIFIn/an/anoyes
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Build : Armbian_5.91_Clearfogpro_Debian_buster_next_4.19.60 / U-Boot downgraded to 2013.01
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U-BootKernelOSTest CasePCIe1PCIe2PCIe1 DetectionPCIe2 DetectionComment
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U-BootKernelU-BootKernel
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2013.014.19.60Buster1WIFISATAyesnononoWhen WIFI card present, U-boot reset or System reboot will hand at U-boot next boot cycle, with following message
:** Link is Gen1, check the EP capability
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2emptySATAn/an/ayesyes
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3WIFIemptyyesyesn/an/a
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4SATAemptyyesyesn/an/a
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5SATAWIFIyesnonoyes
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6emptyWIFIn/an/ayesyes
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Build : Armbian_5.91_Clearfogpro_Debian_buster_next_4.19.60 / U-Boot downgraded to 2018.01
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U-BootKernelOSTest CasePCIe1PCIe2PCIe1 DetectionPCIe2 DetectionComment
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U-BootKernelU-BootKernel
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2018.014.19.60Buster1WIFISATAyesnononoWhen 2 slot populated, following U-Boot error appear :
Cannot add window '4:d8', conflicts with another window
PCIe unable to add mbus window for mem at f0000000+08000000

Memory controller that we always see in 2013.1, never appear here
00.01.00 0x11ab 0x6828 Memory controller 0x8
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2emptySATAn/an/ayesyes
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3WIFIemptyyesyesn/an/a
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4SATAemptyyesyesn/an/a
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5SATAWIFIyesnonoyes
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6emptyWIFIn/an/ayesyes
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Test procedure
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For both device (WIFI and SATA) check if detected by U-boot by doing command : pci
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For both device (WIFI and SATA) check if detected by Linux by doing command : lspci
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For SATA device check under Linux if attached SSD is detected
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For WIFI device we didn’t test under Linux if device works, only if detected
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Hardware
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Board : Clearfog Pro A1 - Rev 2.1
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mPCIe SATA controller : IOCREST 4 Port SATA III 6G Mini PCI Express Marvel 88SE9215
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mPCIe WIFI contoller : Atheros AR5B22
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