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NUC980 从git 抓下之后 使用make uImage 编译出来的档案为1.9mb 比起perbuild 的出来小很多
透过nuwriter烧进去之后
不管如何都是开不起来 kernel panic
以下是开机log 请给予建议 谢谢
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NUC980 IBR 20180813
Boot from SPI-NAND
DDR-OK
finish SPI dow螿oad
SPL load main U-Boot from SPI NAND Flash! (Sep 5 2019 11:15:45)
U-Boot 2016.11-g6b7c340 (Sep 05 2019 - 11:14:43 +0800)
CPU: NUC980
Board: NUC980
DRAM: 64 MiB
NAND: NAND Flash not found !
NUC980 NAND CONTROLLER IS NOT SUPPORT THE PAGE SIZE. (0, 0)
0 MiB
SF: Detected W25N01GV with page size 2 KiB, erase size 128 KiB, total 128 MiB
In: serial
Out: serial
Err: serial
Net: Net Ini
tialization Skipped
No ethernet found.
Hit any key to stop autoboot: 0
SF: Detected W25N01GV with page size 2 KiB, erase size 128 KiB, total 128 MiB
device 0 offset 0x200000, size 0x800000
SF: 8388608 bytes @ 0x200000 Read: OK
## Booting kernel from Legacy Image at 00007fc0 ...
Image Name: Linux-4.4.207+
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 2045712 Bytes = 2 MiB
Load Address: 00008000
Entry Point: 00008000
Verifying Checksum ... OK
XIP Kernel Image ... OK
Starting kernel ...
SF: Detected W25N01GV with page size 2 KiB, erase size 128 KiB, total 128 MiB
SF: DeviceBooting Linux on physical CPU 0x0
Linux version 4.4.207+ (root@ryan-VirtualBox) (gcc version 4.7.3 (Ubuntu/Linaro 4.7.3-12ubuntu1) ) #2 PREEMPT Fri Jan 17 17:25:50 CST 2020
CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=0005317f
CPU: VIVT data cache, VIVT instruction cache
Machine: NUC980
Memory policy: Data cache writeback
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 16256
Kernel command line: root=/dev/ram0 console=ttyS0,115200n8 rdinit=/sbin/init mem=64M
PID hash table entries: 256 (order: -2, 1024 bytes)
Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
Memory: 60568K/65536K available (2834K kernel code, 229K rwdata, 904K rodata, 148K init, 198K bss, 4968K reserved, 0K cma-reserved)
Virtual kernel memory layout:
vector : 0xffff0000 - 0xffff1000 ( 4 kB)
fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
vmalloc : 0xc4800000 - 0xff800000 ( 944 MB)
lowmem : 0xc0000000 - 0xc4000000 ( 64 MB)
modules : 0xbf000000 - 0xc0000000 ( 16 MB)
.text : 0xc0008000 - 0xc03aeda4 (3740 kB)
.init : 0xc03af000 - 0xc03d4000 ( 148 kB)
.data : 0xc03d4000 - 0xc040d500 ( 230 kB)
.bss : 0xc040d500 - 0xc043ed80 ( 199 kB)
SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
Preemptible hierarchical RCU implementation.
Build-time adjustment of leaf fanout to 32.
NR_IRQS:545
clocksource: nuc980-timer5: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 62215505635 ns
sched_clock: 24 bits at 120kHz, resolution 8333ns, wraps every 69905062489ns
Console: colour dummy device 80x30
console [ttyS0] enabled
Calibrating delay loop... 148.88 BogoMIPS (lpj=744448)
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 0x8400 - 0x843c
devtmpfs: initialized
clocksource: 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
NET: Registered protocol family 16
DMA: preallocated 256 KiB pool for atomic coherent allocations
SCSI subsystem initialized
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
clocksource: Switched to clocksource nuc980-timer5
NET: Registered protocol family 2
TCP 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
NetWinder Floating Point Emulator V0.97 (double precision)
Block layer SCSI generic (bsg) driver version 0.4 loaded (major 254)
io scheduler noop registered (default)
nuc980_gpio_probe - pdev = nuc980-gpio
nuc980-uart.0: ttyS0 at I/O 0x0 (irq = 36, base_baud = 750000) is a NUC980
nuc980-uart.2: ttyS2 at I/O 0x0 (irq = 38, base_baud = 9375000) is a NUC980
brd: module loaded
libphy: nuc980_rmii0: probed
ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
nuc980-ehci nuc980-ehci: Nuvoton NUC980 EHCI Host Controller
nuc980-ehci nuc980-ehci: new USB bus registered, assigned bus number 1
nuc980-ehci nuc980-ehci: irq 23, io mem 0xb0015000
nuc980-ehci nuc980-ehci: USB 2.0 started, EHCI 0.95
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 2 ports detected
ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
usb_hcd_nuc980_probe, id = 0, name: nuc980-ohci.0, 0
nuc980-ohci nuc980-ohci.0: Nuvoton NUC980 OHCI Host Controller
nuc980-ohci nuc980-ohci.0: new USB bus registered, assigned bus number 2
nuc980-ohci nuc980-ohci.0: irq 24, io mem 0xb0017000
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 8 ports detected
usb_hcd_nuc980_probe, id = 1, name: nuc980-ohci.1, 0
usb_hcd_nuc980_probe, id = 2, name: nuc980-ohci.2, 0
usb_hcd_nuc980_probe, id = 3, name: nuc980-ohci.3, 0
usb_hcd_nuc980_probe, id = 4, name: nuc980-ohci.4, 0
usb_hcd_nuc980_probe, id = 5, name: nuc980-ohci.5, 0
usb_hcd_nuc980_probe, id = 6, name: nuc980-ohci.6, 0
usbcore: registered new interface driver usb-storage
usbcore: registered new interface driver usbhid
usbhid: USB HID core driver
NET: Registered protocol family 17
Warning: unable to open an initial console.
Failed to create /dev/root: -2
VFS: Cannot open root device "ram0" or unknown-block(1,0): error -2
Please append a correct "root=" boot option; here are the available partitions:
0100 16384 ram0 (driver?)
0101 16384 ram1 (driver?)
0102 16384 ram2 (driver?)
0103 16384 ram3 (driver?)
0104 16384 ram4 (driver?)
0105 16384 ram5 (driver?)
0106 16384 ram6 (driver?)
0107 16384 ram7 (driver?)
0108 16384 ram8 (driver?)
0109 16384 ram9 (driver?)
010a 16384 ram10 (driver?)
010b 16384 ram11 (driver?)
010c 16384 ram12 (driver?)
010d 16384 ram13 (driver?)
010e 16384 ram14 (driver?)
010f 16384 ram15 (driver?)
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(1,0)
CPU: 0 PID: 1 Comm: swapper Not tainted 4.4.207+ #2
Hardware name: NUC980
Backtrace:
[] (dump_backtrace) from [] (show_stack+0x18/0x1c)
r6:c3ac0000 r5:c035b070 r4:c040d7c8 r3:00000000
[] (show_stack) from [] (dump_stack+0x20/0x28)
[] (dump_stack) from [] (panic+0xb0/0x248)
[] (panic) from [] (mount_block_root+0x208/0x2d8)
r3:00000000 r2:00000000 r1:c383fec8 r0:c035b070
r7:c3fec800
[] (mount_block_root) from [] (mount_root+0x68/0x84)
r10:c03ca838 r9:0000005a r8:00000000 r7:c03ca830 r6:c040d500 r5:c03ca869
r4:00000000
[] (mount_root) from [] (prepare_namespace+0x16c/0x1cc)
r4:c040d524 r3:00000001
[] (prepare_namespace) from [] (kernel_init_freeable+0x184/0x1cc)
r5:00000007 r4:c03d12cc
[] (kernel_init_freeable) from [] (kernel_init+0x10/0xf4)
r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c02c62ac
r4:00000000
[] (kernel_init) from [] (ret_from_fork+0x14/0x3c)
r4:00000000 r3:ffffffff
---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(1,0)
random: nonblocking pool is initialized
使用spi nand的话，uboot和kernel，都使用make nuc980_iot_defconfig看一下
另外1.9MB表示kernel中没有包含rootfs，请根据kernel中选的file system制作rootfs，或在kernel中配置ramfs
