TL138/6748/1808F-EasyEVM-A2使用ti-processor-sdk-linux-omapl138-lcdk-04.00....

uestczwj

0.  开发板型号：  TL138/6748/1808F-EasyEVM-A2, 开发版启动模式模式为SD卡启动

1 J$ x8 t' b8 _; |4 ~5 h6 v1.  在ubantu16.04（64bit）按照官网安装ti-processor-sdk-linux-omapl138-lcdk-04.00.00.04-Linux-x86-Install.bin
5 j( c4 H4 b5 D3 V$ Y4 z
, ^5 m6 P- |4 ^5 ^+ ?( z2.  把uboot， kernel， filesystem写入SD卡, 拨码开关设置为SD启动， 能够正常启动能够进入嵌入式开发版

; S8 t2 U& U) t7 X7 V. _/ u1 z  W3.  SD卡启动方式保持不变，但是在uboot中配置为tftp下载内核和nfs挂载方式

uboot配置参数如下（由于没有开发板没有自动获取mac地址，所以自己设置为：  setenv  ethaddr 00:0c:29:bc:7e:9a）：

. J6 A: T3 X3 J5 ?; T  Z8 B2 U9 rsetenv uboot_macaddr 1
7 }  B/ f2 G; _4 Fsetenv ethaddr 00:0c:29:bc:7e:9a
& X; A! n& j! H: g& tsetenv serverip 192.168.2.192
setenv ipaddr 192.168.2.191
8 m- m  }3 Q7 O$ Z0 j% }9 V4 ?
bootcmd=tftp c0700000 zImage;bootz c0700000

bootargs=eth=00:0c:29:bc:7e:9a nfsroot=192.168.2.192:/opt/omapl138/linux-sdk/targetNFS, nolock rw console=ttyS2,115200n8 ip=dhcp root=/dev/nfs
" B. _, m! ~! J5 P5 m( ^. A9 A
7 _/ ]: @& k$ I: Q) r1 k- l: _4. 能够通过tftp下载并启动内核，但是在挂载NFS文件系统之前报错（错误在下面内核启动信息的最后）：
3 N& o) a% ^4 l0 v
boot命令后的完整启动信息：

=> boot
Using DaVinci-EMAC device
+ d' }2 J+ |' T1 ~. jTFTP from server 192.168.2.192; our IP address is 192.168.2.191
Filename 'zImage'.
Load address: 0xc0700000
6 D, X7 D; Z# w& q6 q4 P" e' ~Loading: #################################################################
         #################################################################
9 K2 r) Y# f) E% e) `" h2 x         ################################
         288.1 KiB/s
done
Bytes transferred = 2367360 (241f80 hex)

, q( k9 ~, X' i- BStarting kernel ...

Uncompressing Linux... done, booting the kernel.
Booting Linux on physical CPU 0x0
Linux version 4.9.28-geed43d1050 (gtbldadm@ubuntu-16) (gcc version 6.2.1 20161016 (Linaro GCC 6.2-2016.11) ) #1 PREEMPT Wed Jun 28 17:47:16 EDT 2017
. r% |/ G4 x% {CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=0005317f
- N" o, l, @# ]2 FCPU: VIVT data cache, VIVT instruction cache
+ I/ y0 E! Z0 N' k. PMachine: AM18x/OMAP-L138 Hawkboard
0 B; k  b" Y; v2 X' dda8xx_rproc_reserve_cma: 'rproc_mem=nn@address' badly specified
    'nn' and 'address' must both be non-zero
cma: Reserved 16 MiB at 0xc6c00000
9 d4 w" V' U6 g* Y" {: ]' N  UMemory policy: Data cache writethrough
+ B' [/ j$ D  Q; nDaVinci da850/omap-l138/am18x variant 0x1
6 T0 `* |/ g4 |- N: x' B; V4 X; J4 RBuilt 1 zonelists in Zone order, mobility grouping on.  Total pages: 32480
Kernel command line: eth=00:0c:29:bc:7e:9a nfsroot=192.168.2.192:/opt/omapl138/linux-sdk/targetNFS, nolock rw console=ttyS2,115200n8 ip=dhcp root=/dev/nfs
PID hash table entries: 512 (order: -1, 2048 bytes)
Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
2 [; `3 I$ i9 QMemory: 106592K/131072K available (4529K kernel code, 308K rwdata, 1500K rodata, 228K init, 162K bss, 8096K reserved, 16384K cma-reserved)
6 `7 T8 O6 y( ~5 hVirtual kernel memory layout:
    vector  : 0xffff0000 - 0xffff1000   (   4 kB)
' a/ O% C2 i( j  \1 G6 |    fixmap  : 0xffc00000 - 0xfff00000   (3072 kB)
) r! j. D! ~+ I    vmalloc : 0xc8800000 - 0xff800000   ( 880 MB)
8 Y4 q" o% {" U/ m6 m    lowmem  : 0xc0000000 - 0xc8000000   ( 128 MB)
    modules : 0xbf000000 - 0xc0000000   (  16 MB)
% [, E4 k5 K- D2 X      .text : 0xc0008000 - 0xc0474b38   (4531 kB)
! u& V' L; v$ ~/ K+ w      .init : 0xc05ed000 - 0xc0626000   ( 228 kB)
      .data : 0xc0626000 - 0xc0673110   ( 309 kB)
       .bss : 0xc0673110 - 0xc069bc08   ( 163 kB)
SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
Preemptible hierarchical RCU implementation.
5 K" m7 j- a- w6 |/ _        Build-time adjustment of leaf fanout to 32.
NR_IRQS:245
clocksource: timer0_1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns
sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns
Console: colour dummy device 80x30
Calibrating delay loop... 227.32 BogoMIPS (lpj=1136640)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
& D+ r3 _7 U4 RMountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
CPU: Testing write buffer coherency: ok
Setting up static identity map for 0xc0008400 - 0xc0008458
0 l4 e$ j2 z7 cdevtmpfs: initialized
% W+ q, k$ G% t. d1 |) T& e7 rVFP support v0.3: not present
& h3 Y+ ~2 O4 x6 t3 Z/ Oclocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
! G  T$ I. a8 gfutex hash table entries: 256 (order: -1, 3072 bytes)
pinctrl core: initialized pinctrl subsystem
NET: Registered protocol family 16
9 g  g" U+ z/ o" h3 ~DMA: preallocated 256 KiB pool for atomic coherent allocations
cpuidle: using governor ladder
cpuidle: using governor menu
EMAC: MII PHY configured
1 r, T6 G; x0 t' s2 I( xmux: initialized GPIO3_12
mux: Setting register GPIO3_12
9 \' J$ P) h$ z/ w% U, G' ?0 u' ^mux:    PINMUX7 (0x0000001c) = 0x00110110 -> 0x00118110
6 j/ K2 Q) C2 f( `( Wmux: initialized GPIO3_13
: v. u- k3 ^0 y/ a8 e( u7 Z# dmux: Setting register GPIO3_13
) m, R% K3 S9 v1 d# I$ _8 Omux:    PINMUX7 (0x0000001c) = 0x00118110 -> 0x00118810
mux: initialized GPIO2_4
mux: Setting register GPIO2_4
mux:    PINMUX6 (0x00000018) = 0x00000000 -> 0x00008000
+ |# c/ n: J7 p4 T) I9 Xmux: initialized GPIO6_13
8 L( y0 M6 z- O: d& u& mmux: Setting register GPIO6_13
- h2 y- Y. v. _( o: rmux:    PINMUX13 (0x00000034) = 0x00000000 -> 0x00000800
da8xx_register_rproc: memory not reserved for DSP, not registering DSP device
1 m+ j  C, r1 Jomapl138_hawk_init: dsp/rproc registration failed: -12
edma edma.0: Legacy memcpy is enabled, things might not work
edma edma.0: TI EDMA DMA engine driver
! A5 D6 F3 \- C! w9 Ledma edma.1: Legacy memcpy is enabled, things might not work
  j- y+ y$ D) U% eedma edma.1: TI EDMA DMA engine driver
5 e7 U) a) f# w8 d* qclocksource: Switched to clocksource timer0_1
NET: Registered protocol family 2
6 D- j; \3 w: p' j3 }2 w  [) LTCP established hash table entries: 1024 (order: 0, 4096 bytes)
TCP bind hash table entries: 1024 (order: 0, 4096 bytes)
TCP: Hash tables configured (established 1024 bind 1024)
UDP hash table entries: 256 (order: 0, 4096 bytes)
UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
NET: Registered protocol family 1
RPC: Registered named UNIX socket transport module.
; q* J# @" k* a/ p6 q6 N, a2 c( e' dRPC: Registered udp transport module.
# g2 B6 F* ^( G2 A: L5 l# vRPC: Registered tcp transport module.
0 a! y  J, T# SRPC: Registered tcp NFSv4.1 backchannel transport module.
. Q& w, F. U5 [$ I, i7 v3 S: Q; u6 ?workingset: timestamp_bits=14 max_order=15 bucket_order=1
Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250)
* p7 R. B8 N2 L6 sio scheduler noop registered (default)
Serial: 8250/16550 driver, 10 ports, IRQ sharing disabled
# {* F$ {: h7 L5 U3 c% T+ M$ w: userial8250.0: ttyS0 at MMIO 0x1c42000 (irq = 25, base_baud = 14250000) is a 16550A
' l- r: O& @( R. R' [- gserial8250.1: ttyS1 at MMIO 0x1d0c000 (irq = 53, base_baud = 8250000) is a 16550A
serial8250.2: ttyS2 at MMIO 0x1d0d000 (irq = 61, base_baud = 8250000) is a 16550A
9 i# g2 K9 `& m& m, sconsole [ttyS2] enabled
; x- k9 F# N' I1 Y; pbrd: module loaded
, l# G. m9 Z( y* ~5 e. B& w  Slibphy: Fixed MDIO Bus: probed
* d0 E6 J* K* Q) qdavinci_mdio davinci_mdio.0: davinci mdio revision 1.5
' k3 M3 r6 \. i+ Zdavinci_mdio davinci_mdio.0: detected phy mask fffffffe
- A+ H# s: m# m" f- W  Blibphy: davinci_mdio.0: probed
davinci_mdio davinci_mdio.0: phy[0]: device davinci_mdio-0:00, driver SMSC LAN8710/LAN8720
' n5 @/ G$ W" y) i. hi2c /dev entries driver
! p* l: j, N( Qdavinci_mmc da830-mmc.0: cannot find GPIO chip davinci_gpio.1
* {! k. D4 X: e8 N3 {! a" Mdavinci_mmc da830-mmc.0: cannot find GPIO chip davinci_gpio.1
- F; i' W& k8 n8 G. Edavinci_mmc da830-mmc.0: Using DMA, 4-bit mode
( D; g/ |- E: \7 d3 O. YNET: Registered protocol family 10
sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
: r+ w" W! Y5 ?NET: Registered protocol family 17
console [netcon0] enabled
2 k" u9 j) D. c7 i9 m0 Wnetconsole: network logging started
, {! o& f/ v8 j  Y2 y) F, Kdavinci_emac davinci_emac.1: using random MAC addr: 0a:ed:9e:24:43:89
. n! X) _2 |( [( Y/ Chctosys: unable to open rtc device (rtc0)
libphy: PHY davinci_mdio-0:07 not found
net eth0: could not connect to phy davinci_mdio-0:07
  H- _7 W8 [* ]6 mIP-Config: Failed to open eth0
9 x9 q! T1 D+ ~8 GIP-Config: No network devices available
mmc0: host does not support reading read-only switch, assuming write-enable
mmc0: new high speed SDHC card at address 59b4
" S9 w2 Z$ s' ~& d' tmmcblk0: mmc0:59b4 SS08G 7.41 GiB
3 L3 ]1 w- f' V mmcblk0: p1 p2
7 r+ u5 @+ c# l! W! t
% W1 H' b* `+ |/* 此处等待了一段时间 */

random: fast init done
9 d1 V- o; z. T( I) M; ^$ k+ w2 bVFS: Unable to mount root fs via NFS, trying floppy.
VFS: Cannot open root device "nfs" or unknown-block(2,0): error -6
% v7 n4 a3 \1 V4 P& L, OPlease append a correct "root=" boot option; here are the available partitions:
0100           32768 ram0  (driver?)
: g, d( y2 R5 n8 D6 a$ Ib300         7764992 mmcblk0  driver: mmcblk
  p4 W9 j1 E/ h" i  b301           71680 mmcblk0p1 cd4e1bc4-01
0 ]7 F- j  b. p' F) B  b302         7675904 mmcblk0p2 cd4e1bc4-02                          
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block
& R' |9 x7 {) l  U4 t3 {+ l

uestczwj

应该是如下错误造成NFS失败：

; A# T2 L, K  R9 t* _libphy: PHY davinci_mdio-0:07 not found
2 c& ^" _5 H  inet eth0: could not connect to phy davinci_mdio-0:07
IP-Config: Failed to open eth0
+ s8 o; @4 h! A7 yIP-Config: No network devices available

伊撒斯

uestczwj 发表于 2017-9-12 22:25
应该是如下错误造成NFS失败：

. t. ^" o! R) }4 F* }1 ]libphy: PHY davinci_mdio-0:07 not found

您好，我们光盘资料里面，有提供相关的nfs组件安装包和搭建的指导文档，建议您先按照我们的资料去搭建，我们使用的是，基于Ubuntu12.04的nfs开发环境搭建。