Hello. I have a clearfog base board with PCI-E video card based on SIlicon Motion s750 (InnoDisk EMPV-1201), and i have trouble with u-boot and accessing to this card.
I use last u-boot from git, and when i try to read memory from Base address 0 of PCI-E, board resetted. log from board:
High speed PHY - Version: 2.0 Detected Device ID 6828 board SerDes lanes topology details: | Lane # | Speed | Type | -------------------------------- | 0 | 3 | SATA0 | | 1 | 0 | SGMII1 | | 2 | 5 | PCIe1 | | 3 | 5 | USB3 HOST1 | | 4 | 5 | PCIe2 | | 5 | 0 | SGMII2 | -------------------------------- :** Link is Gen1, check the EP capability PCIe, Idx 1: remains Gen1 PCIe, Idx 2: detected no link High speed PHY - Ended Successfully DDR3 Training Sequence - Ver TIP-1.29.0 DDR3 Training Sequence - Switching XBAR Window to FastPath Window DDR3 Training Sequence - Ended Successfully Trying to boot from MMC1
U-Boot 2017.09-00255-ge884656c2c-dirty (Sep 22 2017 - 09:05:09 +0300)
SoC: MV88F6828-A0 at 1600 MHz I2C: ready DRAM: 1 GiB (800 MHz, ECC not enabled) MMC: mv_sdh: 0 PCI: 00:01.0 - 126f:0750 - Display controller Model: SolidRun Clearfog A1 Board: SolidRun ClearFog Net: eth2: ethernet@30000, eth3: ethernet@34000, eth1: ethernet@70000 Hit any key to stop autoboot: 0 => pci Scanning PCI devices on bus 0 BusDevFun VendorId DeviceId Device Class Sub-Class _____________________________________________________________ 00.01.00 0x126f 0x0750 Display controller 0x00 => pci header 00.01.00 vendor ID = 0x126f device ID = 0x0750 command register ID = 0x0007 status register = 0x0010 revision ID = 0xa1 class code = 0x03 (Display controller) sub class code = 0x00 programming interface = 0x00 cache line = 0x08 latency time = 0x00 header type = 0x00 BIST = 0x00 base address 0 = 0xfc000008 base address 1 = 0xe8000000 base address 2 = 0x00000000 base address 3 = 0x00000000 base address 4 = 0x00000000 base address 5 = 0x00000000 cardBus CIS pointer = 0x00000000 sub system vendor ID = 0x126f sub system ID = 0x0750 expansion ROM base address = 0xe8200000 interrupt line = 0xff interrupt pin = 0x01 min Grant = 0x00 max Latency = 0x00 => md.l 0xe8000000 10 e8000000: 20a00000 01000060 01f00000 01765324 ... `.......$Sv. e8000010: 01765324 00000000 00000000 00000000 $Sv............. e8000020: 00000008 00000000 00000000 00000000 ................ e8000030: 00000000 00000000 00000000 00000000 ................ => md.l 0xfc000008 10 fc000008:data abort pc : [<3ffb8104>] lr : [<3ffb80e0>] reloc pc : [<0083a104>] lr : [<0083a0e0>] sp : 3fb68950 ip : 00000002 fp : fc000008 r10: fc000008 r9 : 3fb6ded8 r8 : 00000004 r7 : 00000000 r6 : 00000004 r5 : 00000004 r4 : 00000010 r3 : fc000008 r2 : 0000003a r1 : 3fb68964 r0 : 00000009 Flags: nZCv IRQs off FIQs off Mode SVC_32 Resetting CPU ...
resetting ... :05:09) High speed PHY - Version: 2.0 Detected Device ID 6828 board SerDes lanes topology details: | Lane # | Speed | Type | -------------------------------- | 0 | 3 | SATA0 | | 1 | 0 | SGMII1 | | 2 | 5 | PCIe1 | | 3 | 5 | USB3 HOST1 | | 4 | 5 | PCIe2 | | 5 | 0 | SGMII2 | -------------------------------- :** Link is Gen1, check the EP capability PCIe, Idx 1: remains Gen1 PCIe, Idx 2: detected no link High speed PHY - Ended Successfully DDR3 Training Sequence - Ver TIP-1.29.0 DDR3 Training Sequence - Switching XBAR Window to FastPath Window DDR3 Training Sequence - Ended Successfully Trying to boot from MMC1
U-Boot 2017.09-00255-ge884656c2c-dirty (Sep 22 2017 - 09:05:09 +0300)
SoC: MV88F6828-A0 at 1600 MHz I2C: ready DRAM: 1 GiB (800 MHz, ECC not enabled) MMC: mv_sdh: 0 PCI: 00:01.0 - 126f:0750 - Display controller Model: SolidRun Clearfog A1 Board: SolidRun ClearFog Net: eth2: ethernet@30000, eth3: ethernet@34000, eth1: ethernet@70000 Hit any key to stop autoboot: 0 =>
As you can see, memory from base address 1 readed sucessfully. What is the problem and how i can fix this? Feel free to ask logs or something other, i grant it for you