I finally got it working. Previously I damaged LAN8710 so I had to solder a 
new one, and my MDIO pin was not making a good connection with the board. 
So I re-soldered it and now my network is up and running.

Thanks,
Samer

On Wednesday, August 15, 2018 at 8:48:34 AM UTC-6, sam.a...@gmail.com wrote:
>
> Yiling,
>
> My schematics are similar to beaglebone, which you can see in my first 
> post. So my REFCLK is not connected as its also not connected in beaglebone 
> black. And yes I am getting 25MHz clock. PHYAD0 and PHYAD2 show 0V and 
> PHYAD1 has 1.6V. 
>
> Please see my boot log below for my custom image:
>
> U-Boot 2018.03-dirty (Aug 14 2018 - 08:41:54 -0600)                        
>      
>                                                                           
>       
> CPU  : AM335X-GP rev 2.1                                                  
>       
> I2C:   ready                                                              
>       
> DRAM:  512 MiB                                                            
>       
> No match for driver 'omap_hsmmc'                                          
>       
> No match for driver 'omap_hsmmc'                                          
>       
> Some drivers were not found                                                
>      
> Reset Source: Power-on reset has occurred.                                
>       
> RTC 32KCLK Source: External.                                              
>       
> MMC:   OMAP SD/MMC: 0, OMAP SD/MMC: 1                                      
>      
> Loading Environment from EXT4...                                          
>       
> ** Unable to use mmc 0:1 for loading the env **                            
>      
> Failed (-5)                                                                
>      
> Board: BeagleBone Black                                                    
>      
> <ethaddr> not set. Validating first E-fuse MAC                            
>       
> BeagleBone Black:                                                          
>      
> BeagleBone: cape eeprom: i2c_probe: 0x54:                                  
>      
> BeagleBone: cape eeprom: i2c_probe: 0x55:                                  
>      
> BeagleBone: cape eeprom: i2c_probe: 0x56:                                  
>      
> BeagleBone: cape eeprom: i2c_probe: 0x57:                                  
>      
> Net:   eth0: MII MODE                                                      
>      
> Could not get PHY for cpsw: addr 0                                        
>       
> cpsw                                                                      
>       
> Press SPACE to abort autoboot in 2 seconds                                
>       
> board_name=[A335BNLT] ...                                                  
>      
> board_rev=[000C] ...                                                      
>       
> switch to partitions #0, OK                                                
>      
> mmc0 is current device                                                    
>       
> SD/MMC found on device 0                                                  
>       
> ** Bad device 0:2 0x82000000 **                                            
>      
> ** Bad device 0:2 0x82000000 **                                            
>      
> switch to partitions #0, OK                                                
>      
> mmc0 is current device                                                    
>       
> Scanning mmc 0:1...                                                        
>      
> 60946 bytes read in 8 ms (7.3 MiB/s)                                      
>       
> gpio: pin 56 (gpio 56) value is 0                                          
>      
> gpio: pin 55 (gpio 55) value is 0                                          
>      
> gpio: pin 54 (gpio 54) value is 0                                          
>      
> gpio: pin 53 (gpio 53) value is 1                                          
>      
> switch to partitions #0, OK                                                
>      
> mmc0 is current device                                                    
>       
> gpio: pin 54 (gpio 54) value is 1                                          
>      
> Checking for: /uEnv.txt ...                                                
>      
> 186 bytes read in 3 ms (60.5 KiB/s)                                        
>      
> gpio: pin 55 (gpio 55) value is 1                                          
>      
> Loaded environment from /uEnv.txt                                          
>      
> Importing environment from mmc ...                                        
>       
> Checking if uenvcmd is set ...                                            
>       
> gpio: pin 56 (gpio 56) value is 1                                          
>      
> Running uenvcmd ...                                                        
>      
> 5000008 bytes read in 317 ms (15 MiB/s)                                    
>      
> loading /am335x-boneblack.dtb ...                                          
>      
> 60946 bytes read in 9 ms (6.5 MiB/s)                                      
>       
> bootargs=console=ttyO0,115200n8 root=/dev/mmcblk0p2 rw rootfstype=ext4 
> rootwait 
> ## Flattened Device Tree blob at 88000000                                  
>      
>    Booting using the fdt blob at 0x88000000                                
>      
>    Loading Device Tree to 8ffee000, end 8ffffe11 ... OK                    
>      
>                                                                           
>       
> Starting kernel ...                                                        
>      
>                                                                           
>       
> [    0.000000] Booting Linux on physical CPU 0x0                          
>       
> [    0.000000] Initializing cgroup subsys cpuset                          
>       
> [    0.000000] Initializing cgroup subsys cpu                              
>      
> [    0.000000] Initializing cgroup subsys cpuacct                          
>      
> [    0.000000] Linux version 4.4.41 (root@threesixty-VirtualBox) (gcc 
> version 7.
> 3.0 (Buildroot 2018.02.4) ) #3 SMP Tue Aug 14 07:27:59 MDT 2018            
>      
> [    0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), 
> cr=10c5387d  
> [    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing 
> instructio
> n cache                                                                    
>      
> [    0.000000] Machine model: TI AM335x BeagleBone Black                  
>       
> [    0.000000] cma: Reserved 16 MiB at 0x9e800000                          
>      
> [    0.000000] Memory policy: Data cache writeback                        
>       
> [    0.000000] CPU: All CPU(s) started in SVC mode.                        
>      
> [    0.000000] AM335X ES2.1 (sgx neon )                                    
>      
> [    0.000000] PERCPU: Embedded 14 pages/cpu @df907000 s24936 r8192 d24216 
> u5734
> 4                                                                          
>      
> [    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  
> Total pag
> es: 129408                                                                
>       
> [    0.000000] Kernel command line: console=ttyO0,115200n8 
> root=/dev/mmcblk0p2 r
> w rootfstype=ext4 rootwait                                                
>       
> [    0.000000] PID hash table entries: 2048 (order: 1, 8192 bytes)        
>       
> [    0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 
> bytes)  
> [    0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 
> bytes)   
> [    0.000000] Memory: 481792K/522240K available (6761K kernel code, 760K 
> rwdata
> , 2264K rodata, 452K init, 8263K bss, 24064K reserved, 16384K 
> cma-reserved, 0K h
> ighmem)                                                                    
>      
> [    0.000000] Virtual kernel memory layout:                              
>       
> [    0.000000]     vector  : 0xffff0000 - 0xffff1000   (   4 kB)          
>       
> [    0.000000]     fixmap  : 0xffc00000 - 0xfff00000   (3072 kB)          
>       
> [    0.000000]     vmalloc : 0xe0800000 - 0xff800000   ( 496 MB)          
>       
> [    0.000000]     lowmem  : 0xc0000000 - 0xe0000000   ( 512 MB)          
>       
> [    0.000000]     pkmap   : 0xbfe00000 - 0xc0000000   (   2 MB)          
>       
> [    0.000000]     modules : 0xbf000000 - 0xbfe00000   (  14 MB)          
>       
> [    0.000000]       .text : 0xc0008000 - 0xc08d878c   (9026 kB)          
>       
> [    0.000000]       .init : 0xc08d9000 - 0xc094a000   ( 452 kB)          
>       
> [    0.000000]       .data : 0xc094a000 - 0xc0a08138   ( 761 kB)          
>       
> [    0.000000]        .bss : 0xc0a0a000 - 0xc121bea0   (8264 kB)          
>       
> [    0.000000] Running RCU self tests                                      
>      
> [    0.000000] Hierarchical RCU implementation.                            
>      
> [    0.000000]  RCU lockdep checking is enabled.                          
>       
> [    0.000000]  Build-time adjustment of leaf fanout to 32.                
>      
> [    0.000000]  RCU restricting CPUs from NR_CPUS=2 to nr_cpu_ids=1.      
>       
> [    0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=32, 
> nr_cpu_ids=1     
> [    0.000000] NR_IRQS:16 nr_irqs:16 16                                    
>      
> [    0.000000] IRQ: Found an INTC at 0xfa200000 (revision 5.0) with 128 
> interrup
> ts                                                                        
>       
> [    0.000000] OMAP clockevent source: timer2 at 24000000 Hz              
>       
> [    0.000016] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 
> 89478
> 484971ns                                                                  
>       
> [    0.000040] clocksource: timer1: mask: 0xffffffff max_cycles: 
> 0xffffffff, max
> _idle_ns: 79635851949 ns                                                  
>       
> [    0.000086] OMAP clocksource: timer1 at 24000000 Hz                    
>       
> [    0.000710] clocksource_probe: no matching clocksources found          
>       
> [    0.001559] Console: colour dummy device 80x30                          
>      
> [    0.001615] Lock dependency validator: Copyright (c) 2006 Red Hat, 
> Inc., Ingo
>  Molnar                                                                    
>      
> [    0.001625] ... MAX_LOCKDEP_SUBCLASSES:  8                              
>      
> [    0.001632] ... MAX_LOCK_DEPTH:          48                            
>       
> [    0.001640] ... MAX_LOCKDEP_KEYS:        8191                          
>       
> [    0.001647] ... CLASSHASH_SIZE:          4096                          
>       
> [    0.001654] ... MAX_LOCKDEP_ENTRIES:     32768                          
>      
> [    0.001661] ... MAX_LOCKDEP_CHAINS:      65536                          
>      
> [    0.001668] ... CHAINHASH_SIZE:          32768                          
>      
> [    0.001676]  memory used by lock dependency info: 5167 kB              
>       
> [    0.001683]  per task-struct memory footprint: 1536 bytes              
>       
> [    0.001708] Calibrating delay loop... 996.14 BogoMIPS (lpj=4980736)    
>       
> [    0.078600] pid_max: default: 32768 minimum: 301                        
>      
> [    0.078983] Security Framework initialized                              
>      
> [    0.079093] Mount-cache hash table entries: 1024 (order: 0, 4096 
> bytes)      
> [    0.079107] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 
> bytes) 
> [    0.081925] Initializing cgroup subsys io                              
>       
> [    0.082027] Initializing cgroup subsys memory                          
>       
> [    0.082119] Initializing cgroup subsys devices                          
>      
> [    0.082238] Initializing cgroup subsys freezer                          
>      
> [    0.082313] Initializing cgroup subsys perf_event                      
>       
> [    0.082379] CPU: Testing write buffer coherency: ok                    
>       
> [    0.083809] CPU0: thread -1, cpu 0, socket -1, mpidr 0                  
>      
> [    0.083935] Setting up static identity map for 0x80008280 - 0x800082f8  
>      
> [    0.087514] Brought up 1 CPUs                                          
>       
> [    0.087536] SMP: Total of 1 processors activated (996.14 BogoMIPS).    
>       
> [    0.087547] CPU: All CPU(s) started in SVC mode.                        
>      
> [    0.091526] devtmpfs: initialized                                      
>       
> [    0.140220] VFP support v0.3: implementor 41 architecture 3 part 30 
> variant c
>  rev 3                                                                    
>       
> [    0.230575] clocksource: jiffies: mask: 0xffffffff max_cycles: 
> 0xffffffff, ma
> x_idle_ns: 19112604462750000 ns                                            
>      
> [    0.232991] pinctrl core: initialized pinctrl subsystem                
>       
> [    0.237994] NET: Registered protocol family 16                          
>      
> [    0.243663] DMA: preallocated 256 KiB pool for atomic coherent 
> allocations   
> [    0.245655] cpuidle: using governor ladder                              
>      
> [    0.245685] cpuidle: using governor menu                                
>      
> [    0.257928] OMAP GPIO hardware version 0.1                              
>      
> [    0.283077] No ATAGs?                                                  
>       
> [    0.283113] hw-breakpoint: debug architecture 0x4 unsupported.          
>      
> [    0.283758] omap4_sram_init:Unable to allocate sram needed to handle 
> errata I
> 688                                                                        
>      
> [    0.283776] omap4_sram_init:Unable to get sram pool needed to handle 
> errata I
> 688                                                                        
>      
> [    0.325337] edma 49000000.edma: TI EDMA DMA engine driver              
>       
> [    0.329819] SCSI subsystem initialized                                  
>      
> [    0.331479] omap_i2c 44e0b000.i2c: could not find pctldev for node 
> /ocp/l4_wk
> up@44c00000/scm@210000/pinmux@800/pinmux_i2c0_pins, deferring probe        
>      
> [    0.334656] omap_i2c 4819c000.i2c: bus 2 rev0.11 at 100 kHz            
>       
> [    0.335103] pps_core: LinuxPPS API ver. 1 registered                    
>      
> [    0.335116] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo 
> Giome
> tti <giome...@linux.it>                                                  
>        
> [    0.335169] PTP clock support registered                                
>      
> [    0.339196] clocksource: Switched to clocksource timer1                
>       
> [    0.475785] NET: Registered protocol family 2                          
>       
> [    0.477741] TCP established hash table entries: 4096 (order: 2, 16384 
> bytes) 
> [    0.477839] TCP bind hash table entries: 4096 (order: 5, 147456 bytes)  
>      
> [    0.479175] TCP: Hash tables configured (established 4096 bind 4096)    
>      
> [    0.479426] UDP hash table entries: 256 (order: 2, 20480 bytes)        
>       
> [    0.479601] UDP-Lite hash table entries: 256 (order: 2, 20480 bytes)    
>      
> [    0.480490] NET: Registered protocol family 1                          
>       
> [    0.482188] RPC: Registered named UNIX socket transport module.        
>       
> [    0.482211] RPC: Registered udp transport module.                      
>       
> [    0.482221] RPC: Registered tcp transport module.                      
>       
> [    0.482230] RPC: Registered tcp NFSv4.1 backchannel transport module.  
>       
> [    0.484314] hw perfevents: enabled with armv7_cortex_a8 PMU driver, 5 
> counter
> s available                                                                
>      
> [    0.488630] futex hash table entries: 256 (order: 2, 16384 bytes)      
>       
> [    0.488850] audit: initializing netlink subsys (disabled)              
>       
> [    0.489350] audit: type=2000 audit(0.490:1): initialized                
>      
> [    0.493827] VFS: Disk quotas dquot_6.6.0                                
>      
> [    0.494014] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 
> bytes)  
> [    0.496383] NFS: Registering the id_resolver key type                  
>       
> [    0.496740] Key type id_resolver registered                            
>       
> [    0.496756] Key type id_legacy registered                              
>       
> [    0.496942] jffs2: version 2.2. (NAND) (SUMMARY)  �© 2001-2006 Red Hat, 
> Inc. 
> [    0.502394] io scheduler noop registered                                
>      
> [    0.502427] io scheduler deadline registered                            
>      
> [    0.502481] io scheduler cfq registered (default)                      
>       
> [    0.504188] pinctrl-single 44e10800.pinmux: 142 pins at pa f9e10800 
> size 568 
> [    0.507150] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled    
>       
> [    0.513289] omap_uart 44e09000.serial: no wakeirq for uart0            
>       
> [    0.513806] 44e09000.serial: ttyO0 at MMIO 0x44e09000 (irq = 158, 
> base_baud =
>  3000000) is a OMAP UART0                                                  
>      
> [    1.226413] console [ttyO0] enabled                                    
>       
> [    1.266572] brd: module loaded                                          
>      
> [    1.292036] loop: module loaded                                        
>       
> [    1.297891] mtdoops: mtd device (mtddev=name/number) must be supplied  
>       
> [    1.369139] davinci_mdio 4a101000.mdio: davinci mdio revision 1.6      
>       
> [    1.375548] libphy: 4a101000.mdio: probed                              
>       
> [    1.379795] mdio_bus 4a101000.mdio: 
> /ocp/ethernet@4a100000/mdio@4a101000/@cps
> w_emac0 has invalid PHY address                                            
>      
> [    1.390092] mdio_bus 4a101000.mdio: scan phy  at address 0              
>      
> [    1.396090] mdio_bus 4a101000.mdio: scan phy  at address 1              
>      
> [    1.402001] mdio_bus 4a101000.mdio: scan phy  at address 2              
>      
> [    1.407848] mdio_bus 4a101000.mdio: scan phy  at address 3              
>      
> [    1.413699] mdio_bus 4a101000.mdio: scan phy  at address 4              
>      
> [    1.419549] mdio_bus 4a101000.mdio: scan phy  at address 5              
>      
> [    1.425398] mdio_bus 4a101000.mdio: scan phy  at address 6              
>      
> [    1.431249] mdio_bus 4a101000.mdio: scan phy  at address 7              
>      
> [    1.437098] mdio_bus 4a101000.mdio: scan phy  at address 8              
>      
> [    1.442949] mdio_bus 4a101000.mdio: scan phy  at address 9              
>      
> [    1.448798] mdio_bus 4a101000.mdio: scan phy  at address 10            
>       
> [    1.454714] mdio_bus 4a101000.mdio: scan phy  at address 11            
>       
> [    1.460694] mdio_bus 4a101000.mdio: scan phy  at address 12            
>       
> [    1.466608] mdio_bus 4a101000.mdio: scan phy  at address 13            
>       
> [    1.472589] mdio_bus 4a101000.mdio: scan phy  at address 14            
>       
> [    1.478503] mdio_bus 4a101000.mdio: scan phy  at address 15            
>       
> [    1.484484] mdio_bus 4a101000.mdio: scan phy  at address 16            
>       
> [    1.490464] mdio_bus 4a101000.mdio: scan phy  at address 17            
>       
> [    1.496378] mdio_bus 4a101000.mdio: scan phy  at address 18            
>       
> [    1.502294] mdio_bus 4a101000.mdio: scan phy  at address 19            
>       
> [    1.508208] mdio_bus 4a101000.mdio: scan phy  at address 20            
>       
> [    1.514124] mdio_bus 4a101000.mdio: scan phy  at address 21            
>       
> [    1.520104] mdio_bus 4a101000.mdio: scan phy  at address 22            
>       
> [    1.526018] mdio_bus 4a101000.mdio: scan phy  at address 23            
>       
> [    1.531999] mdio_bus 4a101000.mdio: scan phy  at address 24            
>       
> [    1.537913] mdio_bus 4a101000.mdio: scan phy  at address 25            
>       
> [    1.543894] mdio_bus 4a101000.mdio: scan phy  at address 26            
>       
> [    1.549874] mdio_bus 4a101000.mdio: scan phy  at address 27            
>       
> [    1.555788] mdio_bus 4a101000.mdio: scan phy  at address 28            
>       
> [    1.561769] mdio_bus 4a101000.mdio: scan phy  at address 29            
>       
> [    1.567683] mdio_bus 4a101000.mdio: scan phy  at address 30            
>       
> [    1.573599] mdio_bus 4a101000.mdio: scan phy  at address 31            
>       
> [    1.580913] cpsw 4a100000.ethernet: Detected MACID = 98:84:e3:ae:08:53  
>      
> [    1.588169] cpsw 4a100000.ethernet: cpts: overflow check period 850    
>       
> [    1.598865] mousedev: PS/2 mouse device common for all mice            
>       
> [    1.604853] i2c /dev entries driver                                    
>       
> [    1.611619] omap_hsmmc 48060000.mmc: Got CD GPIO                        
>      
> [    1.689521] ledtrig-cpu: registered to indicate activity on CPUs        
>      
> [    1.697065] oprofile: using arm/armv7                                  
>       
> [    1.701820] Initializing XFRM netlink socket                            
>      
> [    1.706640] NET: Registered protocol family 10                          
>      
> [    1.714822] sit: IPv6 over IPv4 tunneling driver                        
>      
> [    1.721994] NET: Registered protocol family 17                          
>      
> [    1.726728] NET: Registered protocol family 15                          
>      
> [    1.731824] Key type dns_resolver registered                            
>      
> [    1.736473] omap_voltage_late_init: Voltage driver support not added    
>      
> [    1.743194] sr_dev_init: No voltage domain specified for smartreflex0. 
> Cannot
>  initialize                                                                
>      
> [    1.751680] sr_dev_init: No voltage domain specified for smartreflex1. 
> Cannot
>  initialize                                                                
>      
> [    1.761514] ThumbEE CPU extension supported.                            
>      
> [    1.766014] Registering SWP/SWPB emulation handler                      
>      
> [    1.771106] SmartReflex Class3 initialized                              
>      
> [    1.793342] mmc0: host does not support reading read-only switch, 
> assuming wr
> ite-enable                                                                
>       
> [    1.808250] mmc0: new high speed SDHC card at address aaaa              
>      
> [    1.817960] mmcblk0: mmc0:aaaa SS08G 7.40 GiB                          
>       
> [    1.832680]  mmcblk0: p1 p2                                            
>       
> [    1.848156] tps65217 0-0024: TPS65217 ID 0xe version 1.2                
>      
> [    1.854704] omap_i2c 44e0b000.i2c: bus 0 rev0.11 at 400 kHz            
>       
> [    1.862519] hctosys: unable to open rtc device (rtc0)                  
>       
> [    1.867815] sr_init: No PMIC hook to init smartreflex                  
>       
> [    1.873455] sr_init: platform driver register failed for SR            
>       
> [    1.932483] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data 
> mode. O
> pts: (null)                                                                
>      
> [    1.941248] VFS: Mounted root (ext4 filesystem) on device 179:2.        
>      
> [    1.962031] devtmpfs: mounted                                          
>       
> [    1.965948] Freeing unused kernel memory: 452K (c08d9000 - c094a000)    
>      
> [    1.972703] This architecture does not have kernel memory protection.  
>       
> [    2.000084] mmc1: MAN_BKOPS_EN bit is not set                          
>       
> [    2.015708] mmc1: new high speed MMC card at address 0001              
>       
> [    2.025210] mmcblk1: mmc1:0001 DG4008 7.28 GiB                          
>      
> [    2.035117] mmcblk1boot0: mmc1:0001 DG4008 partition 1 4.00 MiB        
>       
> [    2.045609] mmcblk1boot1: mmc1:0001 DG4008 partition 2 4.00 MiB        
>       
> [    2.209963] EXT4-fs (mmcblk0p2): re-mounted. Opts: data=ordered        
>       
> [    2.249607] devpts: called with bogus options                          
>       
> Starting logging: OK                                                      
>       
> Populating /dev using udev: /sbin/udevd: /lib/libc.so.6: version 
> `GLIBC_2.25' no
> t found (required by /lib/libblkid.so.1)                                  
>       
> /sbin/udevd: /lib/libc.so.6: version `GLIBC_2.25' not found (required by 
> /lib/li
> buuid.so.1)                                                                
>      
> FAIL                                                                      
>       
> Initializing random number generator... [    2.607346] random: dd: 
> uninitialized
>  urandom read (512 bytes read, 13 bits of entropy available)              
>       
> done.                                                                      
>      
> Starting network: [    2.813934] net eth0: initializing cpsw version 1.12 
> (0)   
> [    2.819602] net eth0: initialized cpsw ale version 1.4                  
>      
> [    2.824970] net eth0: ALE Table size 1024                              
>       
> [    2.830822] libphy: PHY 4a101000.mdio:00 not found                      
>      
> [    2.835830] net eth0: phy "4a101000.mdio:00" not found on slave 0, err 
> -19   
> [    2.853248] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready          
>      
> udhcpc: started, v1.27.2                                                  
>       
> udhcpc: sending discover                                                  
>       
> udhcpc: sending discover                                                  
>       
> udhcpc: sending discover                                                  
>       
> udhcpc: no lease, failing                                                  
>      
> FAIL                                                                      
>       
> /usr/bin/ssh-keygen: /lib/libc.so.6: version `GLIBC_2.25' not found 
> (required by
>  /usr/bin/ssh-keygen)                                                      
>      
> /usr/bin/ssh-keygen: /lib/libc.so.6: version `GLIBC_2.26' not found 
> (required by
>  /usr/bin/ssh-keygen)                                                      
>      
> Starting sshd: /usr/sbin/sshd: /lib/libc.so.6: version `GLIBC_2.25' not 
> found (r
> equired by /usr/sbin/sshd)                                                
>       
> /usr/sbin/sshd: /lib/libc.so.6: version `GLIBC_2.26' not found (required 
> by /usr
> /sbin/sshd)                                                                
>      
> OK                                                                        
>       
> ti-gfx: starting pvr driver                                                
>      
> fbset: can't open '/dev/fb0': No such file or directory                    
>      
> fbset: can't open '/dev/fb0': No such file or directory                    
>      
> fbset: can't open '/dev/fb0': No such file or directory                    
>      
> modprobe: module pvrsrvkm not found in modules.dep                        
>       
> modprobe: module omaplfb not found in modules.dep                          
>      
> modprobe: module bufferclass_ti not found in modules.dep                  
>       
> BusyBox v1.27.2 (2018-08-02 15:59:40 MDT) multi-call binary.              
>       
>                                                                           
>       
> Usage: mknod [-m MODE] NAME TYPE MAJOR MINOR                              
>       
>                                                                           
>       
> Create a special file (block, character, or pipe)                          
>      
>                                                                           
>       
>         -m MODE Creation mode (default a=rw)                              
>       
> TYPE:                                                                      
>      
>         b       Block device                                              
>       
>         c or u  Character device                                          
>       
>         p       Named pipe (MAJOR and MINOR are ignored)                  
>       
> chmod: /dev/pvrsrvkm: No such file or directory                            
>      
> PVR:(Error): OpenServices: Cannot open device driver /dev/omapdrm_pvr. 
> [140, /pv
> r_bridge_u.c]                                                              
>      
> PVR:(Error): PVRSRVInitSrvConnect: PVRSRVConnect failed [2572, 
> /bridged_pvr_glue
> .c]                                                                        
>      
> PVR:(Error): SrvInit: PVRSRVInitSrvConnect failed (4) [37, /srvinit.c]    
>       
> /usr/bin/pvrsrvctl: SrvInit failed (already initialized?) (err=4)          
>      
> ti-gfx: unable to start server                                            
>       
> Initializing SGX graphics driver PVR:(Error): OpenServices: Cannot open 
> device d
> river /dev/omapdrm_pvr. [140, /pvr_bridge_u.c]                            
>       
> PVR:(Error): PVRSRVInitSrvConnect: PVRSRVConnect failed [2572, 
> /bridged_pvr_glue
> .c]                                                                        
>      
> PVR:(Error): SrvInit: PVRSRVInitSrvConnect failed (4) [37, /srvinit.c]    
>       
> PVR:(Error): main: SrvInit failed (4) [49, /pvrsrvinit.c]                  
>      
> FAIL                                                                      
>       
>                                                                           
>       
> Welcome to Threesixty                                                      
>      
> threesixty-buildroot login:
>
>
> Thank you,
>
> On Wednesday, August 15, 2018 at 2:44:53 AM UTC-6, c2h2 wrote:
>>
>> hardware side: is your REFCLK connected to PHY and am335x? 25MHz clock 
>> can be detected? and 2 PHY ADDR pins stable while mdio probing?
>>
>> uboot toggle reset example can be found here:  
>> https://github.com/c2h2/aria-uboot/blob/7504def7830aaf4e8478ad098d8eec1951d5ccb6/board/ti/am335x/board.c#L505
>>
>> On Wed, Aug 15, 2018 at 4:27 AM Robert Nelson <robert...@gmail.com> 
>> wrote:
>>
>>> On Tue, Aug 14, 2018 at 3:24 PM <sam.a...@gmail.com> wrote:
>>> >
>>> > Hi Frank,
>>> >
>>> > Actually I am able to toggle GPIO now, but the GPIO is getting reset 
>>> at Kernel. PHY reset is suppose to happen at startup on u-boot. How can I 
>>> toggle GPIO at startup?
>>>
>>> No the dts file your tweaking would cause the phy reset to occur in
>>> the kernel startup..
>>>
>>> For u-boot, you need to modify the u-boot sources..
>>>
>>> Regards,
>>>
>>> -- 
>>> Robert Nelson
>>> https://rcn-ee.com/
>>>
>>> -- 
>>> For more options, visit http://beagleboard.org/discuss
>>> --- 
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>>> https://groups.google.com/d/msgid/beagleboard/CAOCHtYgWnyZH9yk0XX6GYkuwotOGv9%3DX%2BTV3htmy%2BhQ7VtR6qw%40mail.gmail.com
>>> .
>>> For more options, visit https://groups.google.com/d/optout.
>>>
>>
>>
>> -- 
>> Yiling Cao
>> http://umine.io/ <http://umie.io/>
>> http://ariaboard.com/
>> http://shanghainovotech.com/
>>
>>

-- 
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