我的SPI flash启动不起来，不知道为什么。。。。
[ 0.819749] m25p80 spi0.0: mx25l12805d (16384 Kbytes)
[ 0.824837] spi0.0: parser cmdlinepart: 0
[ 0.828928] spi0.0: parser ofpart: 0
以上是Log信息。也确认命令行内容是没有问题的。
却解析不出分区信息来。不知道为什么。
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https://licheezero.readthedocs.io/zh/latest/%E7%B3%BB%E7%BB%9F%E5%BC%80%E5%8F%91/SPI_falsh_doc3.html
正常识别到分区，应该报以下信息：
[ 0.862858] m25p80 spi32766.0: w25q128 (16384 Kbytes)
[ 0.867927] in cmdline partion
[ 0.871123] p4 : size=100000
[ 0.874005] p4 : size=10000
[ 0.876796] p4 : size=400000
[ 0.879714] p4 : size=2f0000
[ 0.882596] spi32766.0: parser cmdlinepart: 4
[ 0.886949] 4 cmdlinepart partitions found on MTD device spi32766.0
[ 0.893230] Creating 4 MTD partitions on "spi32766.0":
[ 0.898374] 0x000000000000-0x000000100000 : "uboot"
[ 0.904828] 0x000000100000-0x000000110000 : "dtb"
[ 0.910973] 0x000000110000-0x000000510000 : "kernel"
[ 0.917258] 0x000000510000-0x000000800000 : "rootfs"
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我照着文档对了一轮，menuconfig中没有问题，那些其他参数也都是对的。却查不到问题在哪里。。。。。真的是很坑爹。
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嗯。连轮都轮不了。。。。。。因为我现在是用的新的板。公司的，把串口改到2去了。原来的，全部用不了。。。这才是最坑爹的地方。。。。
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嗯。连轮都轮不了。。。。。。因为我现在是用的新的板。公司的，把串口改到2去了。原来的，全部用不了。。。这才是最坑爹的地方。。。。
先飞线用原来的串口
此人很懒，没有签名!
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好的，也只有这个方法来试试了。多谢方法
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我重新下了4.13.版的源代码来编译，终于可以识别到分区了。可是不能正确引导。。。。。吐血。。。。前面的问题，经过对比，发现是dts的问题。
[ 3.906083] jffs2: Empty flash at 0x00ae9ffc ends at 0x00aea000
[ 3.912798] jffs2: Empty flash at 0x00aeaffc ends at 0x00aeb000
[ 3.919478] jffs2: Empty flash at 0x00aebf7c ends at 0x00aec000
[ 3.926131] jffs2: Empty flash at 0x00aecffc ends at 0x00aed000
[ 3.932827] jffs2: Empty flash at 0x00aedffc ends at 0x00aee000
[ 3.939513] jffs2: Empty flash at 0x00aeeffc ends at 0x00aef000
[ 3.945855] jffs2: error: (1) jffs2_build_filesystem: child dir "network" (ino #100) of dir ino #4 is also hard linked from dir ino #1
[ 3.960607] VFS: Mounted root (jffs2 filesystem) on device 31:3.
[ 3.968861] devtmpfs: error mounting -20
[ 3.974121] Freeing unused kernel memory: 1024K
[ 4.669463] request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module binfmt-a91c, throttling...
[ 9.686886] request_module: modprobe binfmt-a91c cannot be processed, kmod busy with 50 threads for more than 5 seconds now
[ 9.702258] Starting init: /sbin/init exists but couldn't execute it (error -8)
[ 9.764321] request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module binfmt-a91c, throttling...
[ 14.806920] request_module: modprobe binfmt-a91c cannot be processed, kmod busy with 50 threads for more than 5 seconds now
[ 14.822672] Starting init: /bin/sh exists but couldn't execute it (error -8)
[ 14.841017] Kernel panic - not syncing: No working init found. Try passing init= option to kernel. See Linux Documentation/admin-guide/init.rst for guidance.
[ 14.855171] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.13.16-licheepi-zero+ #2
[ 14.862467] Hardware name: Allwinner sun8i Family
[ 14.867209] [<c010e5d0>] (unwind_backtrace) from [<c010b358>] (show_stack+0x10/0x14)
[ 14.874952] [<c010b358>] (show_stack) from [<c0680374>] (dump_stack+0x94/0xa8)
[ 14.882175] [<c0680374>] (dump_stack) from [<c011b614>] (panic+0xdc/0x254)
新的问题又出来了。。。。哪位兄弟帮我解答一下。谢谢了。
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只有重新再做一个试试。
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我重新下了4.13.版的源代码来编译，终于可以识别到分区了。可是不能正确引导。。。。。吐血。。。。前面的问题，经过对比，发现是dts的问题。
[ 3.906083] jffs2: Empty flash at 0x00ae9ffc ends at 0x00aea000 [ 3.912798] jffs2: Empty flash at 0x00aeaffc ends at 0x00aeb000 [ 3.919478] jffs2: Empty flash at 0x00aebf7c ends at 0x00aec000 [ 3.926131] jffs2: Empty flash at 0x00aecffc ends at 0x00aed000 [ 3.932827] jffs2: Empty flash at 0x00aedffc ends at 0x00aee000 [ 3.939513] jffs2: Empty flash at 0x00aeeffc ends at 0x00aef000 [ 3.945855] jffs2: error: (1) jffs2_build_filesystem: child dir "network" (ino #100) of dir ino #4 is also hard linked from dir ino #1 [ 3.960607] VFS: Mounted root (jffs2 filesystem) on device 31:3. [ 3.968861] devtmpfs: error mounting -20 [ 3.974121] Freeing unused kernel memory: 1024K [ 4.669463] request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module binfmt-a91c, throttling... [ 9.686886] request_module: modprobe binfmt-a91c cannot be processed, kmod busy with 50 threads for more than 5 seconds now [ 9.702258] Starting init: /sbin/init exists but couldn't execute it (error -8) [ 9.764321] request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module binfmt-a91c, throttling... [ 14.806920] request_module: modprobe binfmt-a91c cannot be processed, kmod busy with 50 threads for more than 5 seconds now [ 14.822672] Starting init: /bin/sh exists but couldn't execute it (error -8) [ 14.841017] Kernel panic - not syncing: No working init found. Try passing init= option to kernel. See Linux Documentation/admin-guide/init.rst for guidance. [ 14.855171] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.13.16-licheepi-zero+ #2 [ 14.862467] Hardware name: Allwinner sun8i Family [ 14.867209] [<c010e5d0>] (unwind_backtrace) from [<c010b358>] (show_stack+0x10/0x14) [ 14.874952] [<c010b358>] (show_stack) from [<c0680374>] (dump_stack+0x94/0xa8) [ 14.882175] [<c0680374>] (dump_stack) from [<c011b614>] (panic+0xdc/0x254)新的问题又出来了。。。。哪位兄弟帮我解答一下。谢谢了。
发现的是DTS的那个方面的问题？？？我现在调A13也遇到这个问题，调了好几天还是没有进展。下面是LOG
U-Boot 2017.01-rc2-00071-gf03c1f5-dirty (Jan 14 2019 - 19:42:05 +0800) Allwinner Technology
CPU: Allwinner A13 (SUN5I)
Model: Lichee A13
I2C: ready
DRAM: 512 MiB
MMC: SUNXI SD/MMC: 0, SUNXI SD/MMC: 1
SF: Detected mx25l12805 with page size 256 Bytes, erase size 64 KiB, total 16 MiB
*** Warning - bad CRC, using default environment
Setting up a 1024x768 vga console (overscan 0x0)
dotclock: 65000kHz = 64909kHz: (2 * 3MHz * 119) / 11
In: serial
Out: vga
Err: vga
Net: No ethernet found.
starting USB...
USB0: USB EHCI 1.00
USB1: USB OHCI 1.0
scanning bus 0 for devices... 2 USB Device(s) found
Hit any key to stop autoboot: 0
probe ---->>>>>>
bus=0 , cs=0
speed=0 , mode=0
SF: Detected mx25l12805 with page size 256 Bytes, erase size 64 KiB, total 16 MiB
read ---->>>>>>
device 0 offset 0x100000, size 0x10000
SF: 65536 bytes @ 0x100000 Read: OK
read ---->>>>>>
device 0 offset 0x110000, size 0x400000
SF: 4194304 bytes @ 0x110000 Read: OK
## Flattened Device Tree blob at 41800000
Booting using the fdt blob at 0x41800000
Loading Device Tree to 49ff7000, end 49fff789 ... OK
Starting kernel ...
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Linux version 4.13.16-licheepi-zero+ (root@linux-host) (gcc version 6.3.1 20170109 (Linaro GCC 6.3-2017.02)) #1 SMP Sat Jan 19 19:09:42 CST 2019
[ 0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c5387d
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[ 0.000000] OF: fdt: Machine model: Lichee A13 ONE--->>
[ 0.000000] Memory policy: Data cache writeback
[ 0.000000] CPU: All CPU(s) started in SVC mode.
[ 0.000000] percpu: Embedded 16 pages/cpu @df8d7000 s33868 r8192 d23476 u65536
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 129286
[ 0.000000] Kernel command line: console=ttyS0,115200 earlyprintk panic=5 rootwait mtdparts=spi32766.0:1M(uboot)ro,64k(dtb)ro,4M(kernel)ro,-(rootfs) root=31:03 rw rootfstype=jffs2
[ 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: 506824K/521216K available (6144K kernel code, 195K rwdata, 1436K rodata, 1024K init, 264K bss, 14392K reserved, 0K cma-reserved, 0K highmem)
[ 0.000000] Virtual kernel memory layout:
[ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB)
[ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
[ 0.000000] vmalloc : 0xe0000000 - 0xff800000 ( 504 MB)
[ 0.000000] lowmem : 0xc0000000 - 0xdfd00000 ( 509 MB)
[ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
[ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
[ 0.000000] .text : 0xc0008000 - 0xc0700000 (7136 kB)
[ 0.000000] .init : 0xc0900000 - 0xc0a00000 (1024 kB)
[ 0.000000] .data : 0xc0a00000 - 0xc0a30d80 ( 196 kB)
[ 0.000000] .bss : 0xc0a37ad8 - 0xc0a79c6c ( 265 kB)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] Hierarchical RCU implementation.
[ 0.000000] RCU event tracing is enabled.
[ 0.000000] RCU restricting CPUs from NR_CPUS=8 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, preallocated irqs: 16
[ 0.000027] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns
[ 0.000057] clocksource: timer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns
[ 0.000208] clocksource: timer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 6370868154 ns
[ 0.000462] Console: colour dummy device 80x30
[ 0.000496] Calibrating delay loop... 1001.88 BogoMIPS (lpj=5009408)
[ 0.090114] pid_max: default: 32768 minimum: 301
[ 0.090237] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.090252] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.090834] CPU: Testing write buffer coherency: ok
[ 0.091175] CPU0: thread -1, cpu 0, socket -1, mpidr 0
[ 0.091561] Setting up static identity map for 0x40100000 - 0x40100060
[ 0.091697] Hierarchical SRCU implementation.
[ 0.092125] smp: Bringing up secondary CPUs ...
[ 0.092137] smp: Brought up 1 node, 1 CPU
[ 0.092147] SMP: Total of 1 processors activated (1001.88 BogoMIPS).
[ 0.092154] CPU: All CPU(s) started in SVC mode.
[ 0.093605] devtmpfs: initialized
[ 0.098459] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 3
[ 0.098717] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.098742] futex hash table entries: 256 (order: 2, 16384 bytes)
[ 0.098851] pinctrl core: initialized pinctrl subsystem
[ 0.099637] random: get_random_u32 called from bucket_table_alloc+0xf4/0x244 with crng_init=0
[ 0.099745] NET: Registered protocol family 16
[ 0.100436] DMA: preallocated 256 KiB pool for atomic coherent allocations
[ 0.101340] hw-breakpoint: debug architecture 0x4 unsupported.
[ 0.112814] reg-fixed-voltage usb0-vbus: could not find pctldev for node /soc@01c00000/pinctrl@01c20800/usb0_vbus_pin@0, deferring probe
[ 0.113897] SCSI subsystem initialized
[ 0.114127] usbcore: registered new interface driver usbfs
[ 0.114181] usbcore: registered new interface driver hub
[ 0.114249] usbcore: registered new device driver usb
[ 0.114429] pps_core: LinuxPPS API ver. 1 registered
[ 0.114438] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[ 0.114466] PTP clock support registered
[ 0.114666] Advanced Linux Sound Architecture Driver Initialized.
[ 0.116115] clocksource: Switched to clocksource timer
[ 0.116962] simple-framebuffer 5fd00000.framebuffer: framebuffer at 0x5fd00000, 0x300000 bytes, mapped to 0xe0100000
[ 0.116980] simple-framebuffer 5fd00000.framebuffer: format=x8r8g8b8, mode=1024x768x32, linelength=4096
[ 0.129301] Console: switching to colour frame buffer device 128x48
[ 0.140802] simple-framebuffer 5fd00000.framebuffer: fb0: simplefb registered!
[ 0.149290] NET: Registered protocol family 2
[ 0.149820] TCP established hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.149869] TCP bind hash table entries: 4096 (order: 3, 32768 bytes)
[ 0.149929] TCP: Hash tables configured (established 4096 bind 4096)
[ 0.150039] UDP hash table entries: 256 (order: 1, 8192 bytes)
[ 0.150061] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes)
[ 0.150191] NET: Registered protocol family 1
[ 0.150648] RPC: Registered named UNIX socket transport module.
[ 0.150661] RPC: Registered udp transport module.
[ 0.150668] RPC: Registered tcp transport module.
[ 0.150674] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.152351] workingset: timestamp_bits=30 max_order=17 bucket_order=0
[ 0.160478] NFS: Registering the id_resolver key type
[ 0.160529] Key type id_resolver registered
[ 0.160536] Key type id_legacy registered
[ 0.160579] jffs2: version 2.2. (NAND) © 2001-2006 Red Hat, Inc.
[ 0.161801] random: fast init done
[ 0.164716] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249)
[ 0.164731] io scheduler noop registered
[ 0.164739] io scheduler deadline registered
[ 0.164935] io scheduler cfq registered (default)
[ 0.164945] io scheduler mq-deadline registered
[ 0.164952] io scheduler kyber registered
[ 0.165375] sun4i-usb-phy 1c13400.phy: could not find pctldev for node /soc@01c00000/pinctrl@01c20800/usb0_id_detect_pin@0, deferring probe
[ 0.167908] sun5i-pinctrl 1c20800.pinctrl: initialized sunXi PIO driver
[ 0.228983] Serial: 8250/16550 driver, 8 ports, IRQ sharing disabled
[ 0.231734] console [ttyS0] disabled
[ 0.251874] 1c28400.serial: ttyS0 at MMIO 0x1c28400 (irq = 27, base_baud = 1500000) is a U6_16550A
[ 0.865037] console [ttyS0] enabled
[ 0.872469] m25p80 spi0.0: mx25l12805d (16384 Kbytes)
[ 0.877600] spi0.0: parser cmdlinepart: 0
[ 0.881608] spi0.0: parser ofpart: 0
[ 0.886000] libphy: Fixed MDIO Bus: probed
[ 0.890500] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 0.897046] ehci-platform: EHCI generic platform driver
[ 0.902504] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[ 0.908720] ohci-platform: OHCI generic platform driver
[ 0.914457] udc-core: couldn't find an available UDC - added [g_cdc] to list of pending drivers
[ 0.923770] input: 1c22800.lradc as /devices/platform/soc@01c00000/1c22800.lradc/input/input0
[ 0.932872] i2c /dev entries driver离线
@xiongxinjian 这个有什么问题? 是没有然后了吗?
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