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
3 b+ E1 W& B- b" ]; m. \0 F' A
1.  在ubantu16.04（64bit）按照官网安装ti-processor-sdk-linux-omapl138-lcdk-04.00.00.04-Linux-x86-Install.bin
, R; [( C! D* ~
2.  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

6 u. [: \9 K1 x- g3 G3.  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
7 Y5 x5 u. |  Y' W5 N8 [
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）：
1 q, L% f8 s7 J& @, x1 T' _- h. X
setenv uboot_macaddr 1
setenv ethaddr 00:0c:29:bc:7e:9a
( X4 g% D: X. H- `setenv serverip 192.168.2.192
setenv ipaddr 192.168.2.191
9 G. L) Z" e& q2 n
/ c- O3 Y2 y+ W1 S; e) Ebootcmd=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

1 O/ [1 n2 A* f4. 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）：

boot命令后的完整启动信息：

, W* T  c! ]" z# E1 s! v1 v! J+ e=> boot
6 R, a* ]# p# O7 g9 @1 g6 E1 Z/ A: wUsing DaVinci-EMAC device
TFTP from server 192.168.2.192; our IP address is 192.168.2.191
5 Y3 b# g8 D) R9 a. k' a8 ]Filename 'zImage'.
Load address: 0xc0700000
/ t6 Z0 j! v1 ?% XLoading: #################################################################
. S) b, B( R8 O+ ]         #################################################################
         ################################
5 }4 T$ W7 w9 i6 m% `2 v         288.1 KiB/s
/ w1 V7 H" v5 E( Pdone
2 a. r, n4 ^  Z7 V( O  u- @Bytes transferred = 2367360 (241f80 hex)

! K2 y; R! N& i0 O5 c: [1 D5 FStarting kernel ...

* Z% N" ~5 [4 a6 g5 G: p8 lUncompressing 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
CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=0005317f
CPU: VIVT data cache, VIVT instruction cache
Machine: AM18x/OMAP-L138 Hawkboard
5 j: E% p7 X: c4 ^9 i, U6 gda8xx_rproc_reserve_cma: 'rproc_mem=nn@address' badly specified
7 K& A; n# S' k6 ~' N) i    'nn' and 'address' must both be non-zero
cma: Reserved 16 MiB at 0xc6c00000
Memory policy: Data cache writethrough
5 l! o- C9 a% v: y: t+ lDaVinci da850/omap-l138/am18x variant 0x1
: `7 _+ x! Y7 F) c; h) uBuilt 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)
: \( T* V+ M$ R1 I  ADentry cache hash table entries: 16384 (order: 4, 65536 bytes)
5 i1 h+ Z: \  K; e* ^Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
Memory: 106592K/131072K available (4529K kernel code, 308K rwdata, 1500K rodata, 228K init, 162K bss, 8096K reserved, 16384K cma-reserved)
8 y  H1 _3 f5 {& @" xVirtual kernel memory layout:
9 B2 {2 f4 I1 p; l( x    vector  : 0xffff0000 - 0xffff1000   (   4 kB)
    fixmap  : 0xffc00000 - 0xfff00000   (3072 kB)
$ Z8 o0 k9 F2 D4 s! Z5 V    vmalloc : 0xc8800000 - 0xff800000   ( 880 MB)
( }8 z) y! D( H: O8 u0 _7 W+ p    lowmem  : 0xc0000000 - 0xc8000000   ( 128 MB)
    modules : 0xbf000000 - 0xc0000000   (  16 MB)
      .text : 0xc0008000 - 0xc0474b38   (4531 kB)
      .init : 0xc05ed000 - 0xc0626000   ( 228 kB)
% I+ i$ }/ @* c! e      .data : 0xc0626000 - 0xc0673110   ( 309 kB)
& p5 N$ Q. z- K1 H4 P       .bss : 0xc0673110 - 0xc069bc08   ( 163 kB)
SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
5 v. O8 G" ]' jPreemptible hierarchical RCU implementation.
* o% m1 [: `- d+ {        Build-time adjustment of leaf fanout to 32.
4 A) ?0 t; }3 R* z: d0 }# i# j  y4 bNR_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)
Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
CPU: Testing write buffer coherency: ok
Setting up static identity map for 0xc0008400 - 0xc0008458
, a! y/ c$ M8 c- I% k& Gdevtmpfs: initialized
VFP support v0.3: not present
2 K  R* e; L) h9 B4 ^5 B1 P; zclocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
futex hash table entries: 256 (order: -1, 3072 bytes)
pinctrl core: initialized pinctrl subsystem
4 L, f& t+ z, x4 D/ a0 `5 z* ?NET: Registered protocol family 16
DMA: preallocated 256 KiB pool for atomic coherent allocations
cpuidle: using governor ladder
cpuidle: using governor menu
EMAC: MII PHY configured
7 h( i3 n5 h! G" F6 Imux: initialized GPIO3_12
mux: Setting register GPIO3_12
mux:    PINMUX7 (0x0000001c) = 0x00110110 -> 0x00118110
: e  e" Y: |, v4 d* S8 j: }9 F9 a2 Fmux: initialized GPIO3_13
  G  Y3 j6 |* S6 a9 |) fmux: Setting register GPIO3_13
mux:    PINMUX7 (0x0000001c) = 0x00118110 -> 0x00118810
mux: initialized GPIO2_4
  _1 [' {- h4 s: K5 [/ A2 ymux: Setting register GPIO2_4
mux:    PINMUX6 (0x00000018) = 0x00000000 -> 0x00008000
5 \  |) Z# r9 R# }# O6 ~mux: initialized GPIO6_13
mux: Setting register GPIO6_13
mux:    PINMUX13 (0x00000034) = 0x00000000 -> 0x00000800
& K! F7 c8 V& d4 T8 P1 T. jda8xx_register_rproc: memory not reserved for DSP, not registering DSP device
omapl138_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
edma edma.1: Legacy memcpy is enabled, things might not work
4 o" v$ S1 Z2 x0 c4 n% Wedma edma.1: TI EDMA DMA engine driver
, |: ]$ O& `) h1 rclocksource: Switched to clocksource timer0_1
: [$ w0 F* A( R4 Q& |NET: Registered protocol family 2
TCP established hash table entries: 1024 (order: 0, 4096 bytes)
- y7 ~! P) d0 P# F1 G; V/ @3 \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)
; I- X6 ~0 H" J' D& m& H% p& U" ~! CUDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
0 P$ I1 g. [+ v0 u: X# CNET: Registered protocol family 1
RPC: Registered named UNIX socket transport module.
: q" c8 }: c8 A" w5 I# sRPC: Registered udp transport module.
RPC: Registered tcp transport module.
' [& X3 _. p% X+ j  N6 l, ^6 B8 HRPC: Registered tcp NFSv4.1 backchannel transport module.
% ~) y8 d* p* Aworkingset: timestamp_bits=14 max_order=15 bucket_order=1
) B: N0 j; g2 L9 r$ e# aBlock layer SCSI generic (bsg) driver version 0.4 loaded (major 250)
io scheduler noop registered (default)
: R% K3 ?5 z  X! i( p  wSerial: 8250/16550 driver, 10 ports, IRQ sharing disabled
5 ]) h2 r; V# a6 T! f6 _; }8 b$ pserial8250.0: ttyS0 at MMIO 0x1c42000 (irq = 25, base_baud = 14250000) is a 16550A
serial8250.1: 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
console [ttyS2] enabled
brd: module loaded
2 l; A# G7 e) h+ d# ?9 |  glibphy: Fixed MDIO Bus: probed
& B' R1 Y& }" ?  b+ f: e" u% [davinci_mdio davinci_mdio.0: davinci mdio revision 1.5
davinci_mdio davinci_mdio.0: detected phy mask fffffffe
! t2 g# Y  C" [libphy: davinci_mdio.0: probed
" f' l6 T4 N# R: O; bdavinci_mdio davinci_mdio.0: phy[0]: device davinci_mdio-0:00, driver SMSC LAN8710/LAN8720
$ x$ J  W) x; G, C) Y5 C3 d5 i; L' Ai2c /dev entries driver
davinci_mmc da830-mmc.0: cannot find GPIO chip davinci_gpio.1
davinci_mmc da830-mmc.0: cannot find GPIO chip davinci_gpio.1
0 m  O  \9 {' G: y5 p& [+ \% Xdavinci_mmc da830-mmc.0: Using DMA, 4-bit mode
1 \% K! D1 n, ^* jNET: Registered protocol family 10
4 S. e/ h3 J: }/ Q# [6 t! Vsit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
( N* S$ f  b2 M9 F4 nNET: Registered protocol family 17
" {) b! P9 K& Nconsole [netcon0] enabled
' L) d! m7 I  x7 O: B7 E2 Unetconsole: network logging started
davinci_emac davinci_emac.1: using random MAC addr: 0a:ed:9e:24:43:89
hctosys: unable to open rtc device (rtc0)
% F( ]4 M0 r% q* ~libphy: PHY davinci_mdio-0:07 not found
net eth0: could not connect to phy davinci_mdio-0:07
5 w1 H8 w% x+ p6 ]) mIP-Config: Failed to open eth0
% M- n0 U) F, q* vIP-Config: No network devices available
mmc0: host does not support reading read-only switch, assuming write-enable
# ?+ g. q" T" S& Hmmc0: new high speed SDHC card at address 59b4
2 d4 g0 t7 T3 o2 K, K' C- Qmmcblk0: mmc0:59b4 SS08G 7.41 GiB
mmcblk0: p1 p2

6 `% ~1 w- M0 C$ c$ C) }/* 此处等待了一段时间 */
/ ]9 Q' G3 c3 D& i) k+ [
random: fast init done
, J* J1 r, e0 gVFS: Unable to mount root fs via NFS, trying floppy.
3 i: ^7 \+ F4 k- v  mVFS: Cannot open root device "nfs" or unknown-block(2,0): error -6
Please append a correct "root=" boot option; here are the available partitions:
9 W$ s# X# ?% ~2 b  }) t7 [0100           32768 ram0  (driver?)
5 D  ^% N. o* J4 Ib300         7764992 mmcblk0  driver: mmcblk
3 m% {3 L' z% I  b301           71680 mmcblk0p1 cd4e1bc4-01
9 R- A0 g' a. a, _4 U9 N) L' ^" T$ e; H  b302         7675904 mmcblk0p2 cd4e1bc4-02                          
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block

8 g' k1 g7 H, w+ x. N/ A
" D9 G) J  ^& H7 @

uestczwj

应该是如下错误造成NFS失败：
9 v  K: I# l: ~) o+ G
libphy: PHY davinci_mdio-0:07 not found
net eth0: could not connect to phy davinci_mdio-0:07
IP-Config: Failed to open eth0
IP-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：
  q; ]/ b; W  M! _9 ~/ f' V! P$ @
% V* k0 ]. A8 ]1 A, Ulibphy: 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。