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Linux: Kernel booting with eMMC

Other Parts Discussed in Thread: AM5718, TLC59108, BEAGLEBOARD-X15

Tool/software: Linux

Hi,

I am using AM5718 processor with ti-processor-sdk-linux-am57xx-evm-02.00.01.07. I am trying to boot the board from eMMC memory, for which I have partitioned the eMMC memory into two partitions. While booting from eMMC kernel crashes. I am sure it is because of file system related issue , I tried to change in the environment variables also  but unable to resolve. Please tell how to solve this?

Kernel Log:

[    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 4.1.13-g8dc6617 (medha@medha) (gcc version 4.9.3 20150413 (prerelease) (Linaro GCC 4.9-2015.05) ) #9 SMP PREEMPT S7
[    0.000000] CPU: ARMv7 Processor [412fc0f2] revision 2 (ARMv7), cr=30c5387d
[    0.000000] CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache
[    0.000000] Machine model: TI AM571x IDK
[    0.000000] Reserved memory: created CMA memory pool at 0x0000000095800000, size 56 MiB
[    0.000000] Reserved memory: initialized node ipu2_cma@95800000, compatible id shared-dma-pool
[    0.000000] Reserved memory: created CMA memory pool at 0x0000000099000000, size 64 MiB
[    0.000000] Reserved memory: initialized node dsp1_cma@99000000, compatible id shared-dma-pool
[    0.000000] Reserved memory: created CMA memory pool at 0x000000009d000000, size 32 MiB
[    0.000000] Reserved memory: initialized node ipu1_cma@9d000000, compatible id shared-dma-pool
[    0.000000] Reserved memory: created CMA memory pool at 0x000000009f000000, size 16 MiB
[    0.000000] Reserved memory: initialized node dsp2_cma@9f000000, compatible id shared-dma-pool
[    0.000000] cma: Reserved 24 MiB at 0x00000000be400000
[    0.000000] Forcing write-allocate cache policy for SMP
[    0.000000] Memory policy: Data cache writealloc
[    0.000000] DRA722 ES1.0
[    0.000000] PERCPU: Embedded 11 pages/cpu @eee47000 s16128 r8192 d20736 u45056
[    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 210514
[    0.000000] Kernel command line: console=ttyO0,115200n8 root=PARTUUID= rw rootfstype=ext4 rootwait
[    0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes)
[    0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
[    0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
[    0.000000] Memory: 633872K/848896K available (6263K kernel code, 287K rwdata, 2156K rodata, 328K init, 254K bss, 18416K reserved, 196608K c)
[    0.000000] Virtual kernel memory layout:
[    0.000000]     vector  : 0xffff0000 - 0xffff1000   (   4 kB)
[    0.000000]     fixmap  : 0xffc00000 - 0xfff00000   (3072 kB)
[    0.000000]     vmalloc : 0xf0000000 - 0xff000000   ( 240 MB)
[    0.000000]     lowmem  : 0xc0000000 - 0xef800000   ( 760 MB)
[    0.000000]     pkmap   : 0xbfe00000 - 0xc0000000   (   2 MB)
[    0.000000]     modules : 0xbf000000 - 0xbfe00000   (  14 MB)
[    0.000000]       .text : 0xc0008000 - 0xc0841074   (8421 kB)
[    0.000000]       .init : 0xc0842000 - 0xc0894000   ( 328 kB)
[    0.000000]       .data : 0xc0894000 - 0xc08dbc48   ( 288 kB)
[    0.000000]        .bss : 0xc08de000 - 0xc091d80c   ( 255 kB)
[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[    0.000000] Preemptible hierarchical RCU implementation.
[    0.000000]  Additional per-CPU info printed with stalls.
[    0.000000]  RCU restricting CPUs from NR_CPUS=4 to nr_cpu_ids=1.
[    0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1
[    0.000000] NR_IRQS:16 nr_irqs:16 16
[    0.000000] OMAP clockevent source: timer1 at 32768 Hz
[    0.000000] clocksource 32k_counter: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 58327039986419 ns
[    0.000000] sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 65535999984741ns
[    0.000000] OMAP clocksource: 32k_counter at 32768 Hz
[    0.000396] Architected cp15 timer(s) running at 6.14MHz (virt).
[    0.000396] clocksource arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x16af5adb9, max_idle_ns: 440795202250 ns
[    0.000431] sched_clock: 56 bits at 6MHz, resolution 162ns, wraps every 4398046511023ns
[    0.000441] Switching to timer-based delay loop, resolution 162ns
[    0.000943] Console: colour dummy device 80x30
[    0.000958] WARNING: Your 'console=ttyO0' has been replaced by 'ttyS0'
[    0.000964] This ensures that you still see kernel messages. Please
[    0.000969] update your kernel commandline.
[    0.000981] Calibrating delay loop (skipped), value calculated using timer frequency.. 12.29 BogoMIPS (lpj=61475)
[    0.000992] pid_max: default: 32768 minimum: 301
[    0.001077] Security Framework initialized
[    0.001113] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
[    0.001123] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
[    0.001645] Initializing cgroup subsys blkio
[    0.001659] Initializing cgroup subsys memory
[    0.001684] Initializing cgroup subsys devices
[    0.001696] Initializing cgroup subsys freezer
[    0.001708] Initializing cgroup subsys perf_event
[    0.001730] CPU: Testing write buffer coherency: ok
[    0.001982] /cpus/cpu@0 missing clock-frequency property
[    0.001995] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[    0.002027] Setting up static identity map for 0x80008380 - 0x800083d8
[    0.040712] Brought up 1 CPUs
[    0.040722] SMP: Total of 1 processors activated (12.29 BogoMIPS).
[    0.040729] CPU: All CPU(s) started in SVC mode.
[    0.041078] devtmpfs: initialized
[    0.064129] VFP support v0.3: implementor 41 architecture 4 part 30 variant f rev 0
[    0.064921] omap_hwmod: l3_main_2 using broken dt data from ocp
[    0.077719] omap_hwmod: tptc0 using broken dt data from edma-controller
[    0.078167] omap_hwmod: tptc1 using broken dt data from edma-controller
[    0.151393] omap_hwmod: dcan2: _wait_target_disable failed
[    0.245041] clocksource jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    0.249170] pinctrl core: initialized pinctrl subsystem
[    0.249972] NET: Registered protocol family 16
[    0.250957] DMA: preallocated 256 KiB pool for atomic coherent allocations
[    0.258940] OMAP GPIO hardware version 0.1
[    0.265365] irq: no irq domain found for /ocp/l4@4a000000/scm@2000/pinmux@1400 !
[    0.282944] No ATAGs?
[    0.282968] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
[    0.282977] hw-breakpoint: maximum watchpoint size is 8 bytes.
[    0.285387] omap4_sram_init:Unable to allocate sram needed to handle errata I688
[    0.285398] omap4_sram_init:Unable to get sram pool needed to handle errata I688
[    0.285958] OMAP DMA hardware revision 0.0
[    0.327883] edma-dma-engine edma-dma-engine.0: TI EDMA DMA engine driver
[    0.330558] omap-dma-engine 4a056000.dma-controller: OMAP DMA engine driver
[    0.334914] ------------[ cut here ]------------
[    0.334936] WARNING: CPU: 0 PID: 1 at drivers/iommu/omap-iommu.c:1433 omap_iommu_add_device+0xd0/0x108()
[    0.334943] Modules linked in:
[    0.334957] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.1.13-g8dc6617 #9
[    0.334964] Hardware name: Generic DRA72X (Flattened Device Tree)
[    0.334970] Backtrace:
[    0.334991] [<c0013018>] (dump_backtrace) from [<c001323c>] (show_stack+0x18/0x1c)
[    0.334998]  r7:c03b8d5c r6:00000599 r5:c08b390c r4:00000000
[    0.335024] [<c0013224>] (show_stack) from [<c061d0dc>] (dump_stack+0x9c/0xdc)
[    0.335037] [<c061d040>] (dump_stack) from [<c0039748>] (warn_slowpath_common+0x88/0xb8)
[    0.335042]  r5:00000009 r4:00000000
[    0.335059] [<c00396c0>] (warn_slowpath_common) from [<c003981c>] (warn_slowpath_null+0x24/0x2c)
[    0.335064]  r8:00000002 r7:ffffffea r6:eea15c80 r5:eea15c80 r4:00000000
[    0.335090] [<c00397f8>] (warn_slowpath_null) from [<c03b8d5c>] (omap_iommu_add_device+0xd0/0x108)
[    0.335103] [<c03b8c8c>] (omap_iommu_add_device) from [<c03b7360>] (add_iommu_group+0x34/0x54)
[    0.335108]  r9:c08425ec r8:c088ead0 r7:eea15b40 r6:c03b732c r5:c0668ee0 r4:ee9a2210
[    0.335137] [<c03b732c>] (add_iommu_group) from [<c03ff090>] (bus_for_each_dev+0x70/0xa4)
[    0.335142]  r5:ee87fe94 r4:00000000
[    0.335159] [<c03ff020>] (bus_for_each_dev) from [<c03b7a80>] (bus_set_iommu+0x84/0xc8)
[    0.335165]  r6:eea15b40 r5:00000000 r4:c08c1ab0
[    0.335183] [<c03b79fc>] (bus_set_iommu) from [<c086ae9c>] (omap_iommu_init+0x78/0x98)
[    0.335189]  r6:c0899130 r5:c086ae24 r4:c0899130
[    0.335206] [<c086ae24>] (omap_iommu_init) from [<c0009848>] (do_one_initcall+0x94/0x1e0)
[    0.335218] [<c00097b4>] (do_one_initcall) from [<c0842f28>] (kernel_init_freeable+0x1d0/0x274)
[    0.335224]  r10:c088233c r9:c08425ec r8:c088ead0 r7:c08de000 r6:c08de000 r5:c088232c
[    0.335244]  r4:00000004
[    0.335258] [<c0842d58>] (kernel_init_freeable) from [<c0619778>] (kernel_init+0x18/0xf0)
[    0.335263]  r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c0619760
[    0.335283]  r4:c08de000
[    0.335296] [<c0619760>] (kernel_init) from [<c000faa8>] (ret_from_fork+0x14/0x2c)
[    0.335301]  r5:c0619760 r4:00000000
[    0.335322] ---[ end trace e28f400cdfe8c690 ]---
[    0.335808] omap-iommu 40d02000.mmu: 40d02000.mmu registered
[    0.335972] omap-iommu 58882000.mmu: 58882000.mmu registered
[    0.336122] omap-iommu 55082000.mmu: 55082000.mmu registered
[    0.336390] vgaarb: loaded
[    0.336738] SCSI subsystem initialized
[    0.337836] palmas 0-0058: Irq flag is 0x00000000
[    1.351507] omap_i2c 48070000.i2c: timeout waiting for bus ready
[    1.351521] palmas 0-0058: POLARITY_CTRL updat failed: -110
[    1.351827] palmas: probe of 0-0058 failed with error -110
[    1.351949] omap_i2c 48070000.i2c: bus 0 rev0.12 at 400 kHz
[    1.352113] media: Linux media interface: v0.10
[    1.352167] Linux video capture interface: v2.00
[    1.352208] pps_core: LinuxPPS API ver. 1 registered
[    1.352215] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    1.352240] PTP clock support registered
[    1.352846] omap-mailbox 4883c000.mailbox: omap mailbox rev 0x400
[    1.353128] omap-mailbox 4883e000.mailbox: omap mailbox rev 0x400
[    1.353409] omap-mailbox 48840000.mailbox: omap mailbox rev 0x400
[    1.353476] omap-mailbox: probe of 48842000.mailbox failed with error -22
[    1.353697] Advanced Linux Sound Architecture Driver Initialized.
[    1.354306] Switched to clocksource arch_sys_counter
[    1.363856] NET: Registered protocol family 2
[    1.364442] TCP established hash table entries: 8192 (order: 3, 32768 bytes)
[    1.364506] TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
[    1.364631] TCP: Hash tables configured (established 8192 bind 8192)
[    1.364682] UDP hash table entries: 512 (order: 2, 16384 bytes)
[    1.364714] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
[    1.364905] NET: Registered protocol family 1
[    1.365145] RPC: Registered named UNIX socket transport module.
[    1.365154] RPC: Registered udp transport module.
[    1.365161] RPC: Registered tcp transport module.
[    1.365167] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    1.366098] CPU PMU: Failed to parse /pmu/interrupt-affinity[0]
[    1.366126] hw perfevents: enabled with armv7_cortex_a15 PMU driver, 7 counters available
[    1.367991] futex hash table entries: 256 (order: 2, 16384 bytes)
[    1.368062] audit: initializing netlink subsys (disabled)
[    1.368099] audit: type=2000 audit(1.350:1): initialized
[    1.375198] VFS: Disk quotas dquot_6.6.0
[    1.375352] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[    1.377298] NFS: Registering the id_resolver key type
[    1.377331] Key type id_resolver registered
[    1.377338] Key type id_legacy registered
[    1.377396] jffs2: version 2.2. (NAND) (SUMMARY)  �© 2001-2006 Red Hat, Inc.
[    1.379740] NET: Registered protocol family 38
[    1.379817] bounce: pool size: 64 pages
[    1.379830] io scheduler noop registered
[    1.379843] io scheduler deadline registered
[    1.379881] io scheduler cfq registered (default)
[    1.383333] pinctrl-single 4a003400.pinmux: 281 pins at pa fc003400 size 1124
[    1.383450] pinctrl-single 4a002e8c.pinmux: 1 pins at pa fc002e8c size 4
[    1.416545] dra7-pcie 51000000.pcie: PCI host bridge to bus 0000:00
[    1.416558] pci_bus 0000:00: root bus resource [io  0x1000-0xffff]
[    1.416568] pci_bus 0000:00: root bus resource [mem 0x20013000-0x2fffffff]
[    1.416579] pci_bus 0000:00: root bus resource [bus 00-ff]
[    1.416698] pci 0000:00:00.0: IOMMU is currently not supported for PCI
[    1.416968] PCI: bus0: Fast back to back transfers disabled
[    1.417089] PCI: bus1: Fast back to back transfers enabled
[    1.417182] pci 0000:00:00.0: BAR 0: assigned [mem 0x20100000-0x201fffff]
[    1.417196] pci 0000:00:00.0: BAR 1: assigned [mem 0x20020000-0x2002ffff]
[    1.417208] pci 0000:00:00.0: PCI bridge to [bus 01]
[    1.418908] omapdss_dss 58000000.dss: master bind failed: -517
[    1.420767] tlc59108 0-0040: failed to find video source
[    1.423248] Serial: 8250/16550 driver, 10 ports, IRQ sharing enabled
[    1.426196] 4806a000.serial: ttyS0 at MMIO 0x4806a000 (irq = 299, base_baud = 3000000) is a 8250
[    2.578047] console [ttyS0] enabled
[    2.582191] 48020000.serial: ttyS2 at MMIO 0x48020000 (irq = 300, base_baud = 3000000) is a 8250
[    2.592037] [drm] Initialized drm 1.1.0 20060810
[    2.604953] brd: module loaded
[    2.612028] loop: module loaded
[    2.616104] mtdoops: mtd device (mtddev=name/number) must be supplied
[    2.674324] davinci_mdio 48485000.mdio: davinci mdio revision 1.6
[    2.680449] davinci_mdio 48485000.mdio: detected phy mask fffffdff
[    2.688963] libphy: 48485000.mdio: probed
[    2.692995] davinci_mdio 48485000.mdio: phy[9]: device 48485000.mdio:09, driver unknown
[    2.701667] cpsw 48484000.ethernet: Detected MACID = 74:da:ea:0c:dc:a2
[    2.708993] cpsw 48484000.ethernet: cpsw: Detected MACID = 74:da:ea:0c:dc:a3
[    2.717330] mousedev: PS/2 mouse device common for all mice
[    2.722980] i2c /dev entries driver
[    2.728498] omap_hsmmc 4809c000.mmc: Got CD GPIO
[    2.733359] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr104 mode
[    2.739887] omap_hsmmc 4809c000.mmc: no pinctrl state for ddr50 mode
[    2.746305] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr50 mode
[    2.752686] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr25 mode
[    2.759083] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr12 mode
[    2.765477] omap_hsmmc 4809c000.mmc: no pinctrl state for hs mode
[    2.804962] omap_hsmmc 480b4000.mmc: no pinctrl state for sdr25 mode
[    2.812404] omap_hsmmc 480b4000.mmc: no pinctrl state for sdr12 mode
[    2.820833] omap_hsmmc 480b4000.mmc: no pinctrl state for ddr_1_8v mode
[    2.827540] omap_hsmmc 480b4000.mmc: no pinctrl state for hs mode
[    2.864578] ledtrig-cpu: registered to indicate activity on CPUs
[    2.870958] omap-aes 4b500000.aes: OMAP AES hw accel rev: 3.3
[    2.880616] omap-aes 4b700000.aes: OMAP AES hw accel rev: 3.3
[    2.886964] omap-des 480a5000.des: OMAP DES hw accel rev: 2.2
[    2.893848] omap-sham 4b101000.sham: hw accel on OMAP rev 4.3
[    2.904009] oprofile: using timer interrupt.
[    2.910641] Initializing XFRM netlink socket
[    2.915035] NET: Registered protocol family 17
[    2.919525] NET: Registered protocol family 15
[    2.924063] Key type dns_resolver registered
[    2.928569] omap_voltage_late_init: Voltage driver support not added
[    2.935284] Power Management for TI OMAP4+ devices.
[    2.940429] ThumbEE CPU extension supported.
[    2.944803] Registering SWP/SWPB emulation handler
[    2.951146] dmm 4e000000.dmm: workaround for errata i878 in use
[    2.958662] dmm 4e000000.dmm: initialized all PAT entries
[    2.964115] mmc1: MAN_BKOPS_EN bit is not set
[    2.969293] omapdss_dss 58000000.dss: master bind failed: -517
[    2.975243] mmc1: new MMC card at address 0001
[    2.980037] mmcblk0: mmc1:0001 MMC04G 3.60 GiB
[    2.984884] tlc59108 0-0040: failed to find video source
[    2.990549] hctosys: unable to open rtc device (rtc0)
[    2.995767] mmcblk0boot0: mmc1:0001 MMC04G partition 1 16.0 MiB
[    3.013375] vdd_3v3: disabling
[    3.016540] mmcblk0boot1: mmc1:0001 MMC04G partition 2 16.0 MiB
[    3.023190] ALSA device list:
[    3.026271]  mmcblk0: p1 p2
[    3.029382]   No soundcards found.
[    3.034450] omapdss_dss 58000000.dss: master bind failed: -517
[    3.040595] tlc59108 0-0040: failed to find video source
[    3.046139] VFS: PARTUUID= is invalid.
[    3.046139] Expected PARTUUID=<valid-uuid-id>[/PARTNROFF=%d]
[    3.055742] Disabling rootwait; root= is invalid.
[    3.060624] VFS: Cannot open root device "PARTUUID=" or unknown-block(0,0): error -6
[    3.068478] Please append a correct "root=" boot option; here are the available partitions:
[    3.076913] 0100            8096 ram0  (driver?)
[    3.081561] 0101            8096 ram1  (driver?)
[    3.086249] 0102            8096 ram2  (driver?)
[    3.090897] 0103            8096 ram3  (driver?)
[    3.095579] 0104            8096 ram4  (driver?)
[    3.100227] 0105            8096 ram5  (driver?)
[    3.104887] 0106            8096 ram6  (driver?)
[    3.109534] 0107            8096 ram7  (driver?)
[    3.114181] 0108            8096 ram8  (driver?)
[    3.118841] 0109            8096 ram9  (driver?)
[    3.123487] 010a            8096 ram10  (driver?)
[    3.128234] 010b            8096 ram11  (driver?)
[    3.132967] 010c            8096 ram12  (driver?)
[    3.137714] 010d            8096 ram13  (driver?)
[    3.142448] 010e            8096 ram14  (driver?)
[    3.147230] 010f            8096 ram15  (driver?)
[    3.151965] b300         3776512 mmcblk0  driver: mmcblk
[    3.157326]   b301           71680 mmcblk0p1 b670dcf6-01
[    3.162670]   b302         3687424 mmcblk0p2 b670dcf6-02
[    3.168029] b310           16384 mmcblk0boot1  (driver?)
[    3.173373] b308           16384 mmcblk0boot0  (driver?)
[    3.178731] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
[    3.187036] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)

Environment variables  are:

EXPORT  table = bff9fce4, htab.size = 521, htab.filled = 61, size = 0
arch=arm
args_mmc=run finduuid;setenv bootargs console=${console} ${optargs} root=PARTUUID=${uuid} rw rootfstype=${mmcrootfstype}
baudrate=115200
board=BeagleBoard-X15
board-name=am57xx-evm
board_name=BeagleBoard-X15
bootargs=console=ttyO0,115200n8 elevator=noop root=/dev/mmcblk0p2 rw rootwait
bootcmd=if test ${dofastboot} -eq 1; then echo Boot fastboot requested, resetting dofastboot ...;setenv dofastboot 0; saveenv;echo Booting into;
bootdelay=1
bootdir=/boot
bootenv=uEnv.txt
bootfile=zImage
bootm_size=0x10000000
bootpart=0:2
bootscript=echo Running bootscript from mmc${mmcdev} ...; source ${loadaddr}
console=ttyO0,115200n8
cpu=armv7
dfu_alt_info_emmc=rawemmc raw 0 3751936;boot part 1 1;rootfs part 1 2;MLO fat 1 1;MLO.raw raw 0x100 0x100;u-boot.img.raw raw 0x300 0x400;spl-os1
dfu_alt_info_mmc=boot part 0 1;rootfs part 0 2;MLO fat 0 1;MLO.raw raw 0x100 0x100;u-boot.img.raw raw 0x300 0x400;spl-os-args.raw raw 0x80 0x801
dfu_alt_info_ram=kernel ram 0x80200000 0x4000000;fdt ram 0x80f80000 0x80000;ramdisk ram 0x81000000 0x4000000
dfu_bufsiz=0x10000
dofastboot=0
eth1addr=74:da:ea:0c:dc:a3
ethact=cpsw
ethaddr=74:da:ea:0c:dc:a2
fdt_addr_r=0x88000000
fdtaddr=0x88000000
fdtfile=am57xx-beagle-x15.dtb
filesize=17783
findfdt=if test $board_name = omap5_uevm; then setenv fdtfile omap5-uevm.dtb; fi; if test $board_name = dra7xx; then setenv fdtfile dra7-evm.dt
finduuid=part uuid mmc 0:2 uuid
importbootenv=echo Importing environment from mmc${mmcdev} ...; env import -t ${loadaddr} ${filesize}
kernel_addr_r=0x82000000
loadaddr=0x82000000
loadbootenv=fatload mmc ${mmcdev} ${loadaddr} ${bootenv}
loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr
loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile};
loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}
mmcargs=part uuid mmc 0:2 uuid
mmcboot=mmc dev ${mmcdev}; if mmc rescan; then echo SD/MMC found on device ${mmcdev};if run loadbootenv; then echo Loaded environment from ${bo;
mmcdev=0
mmcrootfstype=ext4 rootwait
netargs=setenv bootargs console=${console} ${optargs} root=/dev/nfs nfsroot=${serverip}:${rootpath},${nfsopts} rw ip=dhcp
netboot=echo Booting from network ...; setenv autoload no; dhcp; run netloadimage; run netloadfdt; run netargs; bootz ${loadaddr} - ${fdtaddr}
netloadfdt=tftp ${fdtaddr} ${fdtfile}
netloadimage=tftp ${loadaddr} ${bootfile}
nfsopts=nolock
partitions=uuid_disk=${uuid_gpt_disk};name=rootfs,start=2MiB,size=-,uuid=${uuid_gpt_rootfs}
ramdisk_addr_r=0x88080000
rdaddr=0x88080000
rootpath=/export/rootfs
scsidevs=0
soc=omap5
static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off
stderr=serial
stdin=serial
stdout=serial
usbtty=cdc_acm
vendor=ti
ver=U-Boot 2015.07-00080-g4523775-dirty (Jan 31 2017 - 18:16:54 +0530)
vram=16M

Environment size: 3731/65532 bytes

Best Regards,
Ganesh

  • Hi Ganesh,

    Take a look at the bellow messages:
    [ 2.733359] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr104 mode
    [ 2.739887] omap_hsmmc 4809c000.mmc: no pinctrl state for ddr50 mode
    [ 2.746305] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr50 mode
    [ 2.752686] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr25 mode
    [ 2.759083] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr12 mode
    [ 2.765477] omap_hsmmc 4809c000.mmc: no pinctrl state for hs mode
    [ 2.804962] omap_hsmmc 480b4000.mmc: no pinctrl state for sdr25 mode
    [ 2.812404] omap_hsmmc 480b4000.mmc: no pinctrl state for sdr12 mode
    [ 2.820833] omap_hsmmc 480b4000.mmc: no pinctrl state for ddr_1_8v mode
    [ 2.827540] omap_hsmmc 480b4000.mmc: no pinctrl state for hs mode


    You should revisit your dts... especially the ip pinmux settings.

    Best Regards,
    Yordan
  • Hi Yordan,

    Actually, the issue is with boot args only. It is clear from this line([ 3.046139] VFS: PARTUUID= is invalid.), problem with file system argument passing to kernel
    I have modified the boot args and now it boots till kernel.

    [ 3.151965] b300 3776512 mmcblk0 driver: mmcblk
    [ 3.157326] b301 71680 mmcblk0p1 b670dcf6-01
    [ 3.162670] b302 3687424 mmcblk0p2 b670dcf6-02
    I have set uuid b670dcf6-02 ans saved environment variable.
    Then it boots fine. But the problem is uuid changes for other cards. Instead of this how can we mention the file system information to kernel?

    Best Regards,
    Ganesh