U-Boot 2018.01-05679-g013ca457fd-dirty (Sep 11 2021 - 14:11:37 +0800) Allwinner Technology
CPU: Allwinner F Series (SUNIV)
Model: Lichee Pi Nano
DRAM: 32 MiB
MMC: SUNXI SD/MMC: 0
SF: Detected xt25f128b with page size 256 Bytes, erase size 4 KiB, total 16 MiB
*** Warning - bad CRC, using default environment
Setting up a 480x272 lcd console (overscan 0x0)
In: serial@1c25000
Out: serial@1c25000
Err: serial@1c25000
Net: No ethernet found.
starting USB...
No controllers found
Hit any key to stop autoboot: 0
SF: Detected xt25f128b with page size 256 Bytes, erase size 4 KiB, total 16 MiB
device 0 offset 0x100000, size 0x4000
SF: 16384 bytes @ 0x100000 Read: OK
device 0 offset 0x110000, size 0x400000
SF: 4194304 bytes @ 0x110000 Read: OK
## Flattened Device Tree blob at 80c00000
Booting using the fdt blob at 0x80c00000
Loading Device Tree to 80e5f000, end 80e64056 ... OK
Starting kernel ...(in bootm.c 81)
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Linux version 4.15.0-rc8-licheepi-nano+ (axxx@ubuntu) (gcc version 7.4.1 20181213 [linaro-7.4-2019.02 revision 56ec6f6b99cc167ff0c2f8e1a2eed33b1edc85d4] (Linaro GCC 7.4-2019.02)) #3 Tue Nov 2 10:55:44 CST 2021
[ 0.000000] CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=0005317f
[ 0.000000] CPU: VIVT data cache, VIVT instruction cache
[ 0.000000] OF: fdt: Machine model: Lichee Pi Nano
[ 0.000000] Memory policy: Data cache writeback
[ 0.000000] random: fast init done
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 8128
[ 0.000000] Kernel command line: console=ttyS0,115200 panic=5 rootwait mtdparts=spi32766.0:1M(uboot),64k(dtb),4M(kernel),-(rootfs) root=/dev/mtdblock3 rw rootfstype=jffs2
[ 0.000000] Dentry cache hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.000000] Inode-cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.000000] Memory: 22672K/32768K available (6144K kernel code, 238K rwdata, 1416K rodata, 1024K init, 246K bss, 10096K 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 : 0xc2800000 - 0xff800000 ( 976 MB)
[ 0.000000] lowmem : 0xc0000000 - 0xc2000000 ( 32 MB)
[ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
[ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
[ 0.000000] .text : 0x(ptrval) - 0x(ptrval) (7136 kB)
[ 0.000000] .init : 0x(ptrval) - 0x(ptrval) (1024 kB)
[ 0.000000] .data : 0x(ptrval) - 0x(ptrval) ( 239 kB)
[ 0.000000] .bss : 0x(ptrval) - 0x(ptrval) ( 247 kB)
[ 0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
[ 0.000049] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns
[ 0.000116] clocksource: timer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns
[ 0.000668] Console: colour dummy device 80x30
[ 0.000758] Calibrating delay loop... 203.16 BogoMIPS (lpj=1015808)
[ 0.070241] pid_max: default: 32768 minimum: 301
[ 0.070548] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.070592] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.072043] CPU: Testing write buffer coherency: ok
[ 0.073730] Setting up static identity map for 0x80100000 - 0x80100058
[ 0.076283] devtmpfs: initialized
[ 0.083249] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.083316] futex hash table entries: 256 (order: -1, 3072 bytes)
[ 0.083584] pinctrl core: initialized pinctrl subsystem
[ 0.085635] NET: Registered protocol family 16
[ 0.087165] DMA: preallocated 256 KiB pool for atomic coherent allocations
[ 0.089029] cpuidle: using governor menu
[ 0.115600] SCSI subsystem initialized
[ 0.115927] usbcore: registered new interface driver usbfs
[ 0.116069] usbcore: registered new interface driver hub
[ 0.116277] usbcore: registered new device driver usb
[ 0.116739] pps_core: LinuxPPS API ver. 1 registered
[ 0.116765] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[ 0.116824] PTP clock support registered
[ 0.117311] Advanced Linux Sound Architecture Driver Initialized.
[ 0.118917] clocksource: Switched to clocksource timer
[ 0.145213] NET: Registered protocol family 2
[ 0.146637] TCP established hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.146714] TCP bind hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.146764] TCP: Hash tables configured (established 1024 bind 1024)
[ 0.147047] UDP hash table entries: 256 (order: 0, 4096 bytes)
[ 0.147104] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
[ 0.147579] NET: Registered protocol family 1
[ 0.148796] RPC: Registered named UNIX socket transport module.
[ 0.148839] RPC: Registered udp transport module.
[ 0.148856] RPC: Registered tcp transport module.
[ 0.148871] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.151269] NetWinder Floating Point Emulator V0.97 (double precision)
[ 0.153140] Initialise system trusted keyrings
[ 0.153692] workingset: timestamp_bits=30 max_order=13 bucket_order=0
[ 0.171422] NFS: Registering the id_resolver key type
[ 0.171508] Key type id_resolver registered
[ 0.171529] Key type id_legacy registered
[ 0.171644] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc.
[ 0.186405] Key type asymmetric registered
[ 0.186448] Asymmetric key parser 'x509' registered
[ 0.186652] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)
[ 0.186685] io scheduler noop registered
[ 0.186704] io scheduler deadline registered
[ 0.187491] io scheduler cfq registered (default)
[ 0.187524] io scheduler mq-deadline registered
[ 0.187544] io scheduler kyber registered
[ 0.188696] sun4i-usb-phy 1c13400.phy: Couldn't request ID GPIO
[ 0.198534] suniv-pinctrl 1c20800.pinctrl: initialized sunXi PIO driver
[ 0.369107] Serial: 8250/16550 driver, 8 ports, IRQ sharing disabled
[ 0.375933] console [ttyS0] disabled
[ 0.396194] 1c25000.serial: ttyS0 at MMIO 0x1c25000 (irq = 23, base_baud = 6250000) is a 16550A
[ 0.882161] console [ttyS0] enabled
[ 0.908224] 1c25400.serial: ttyS1 at MMIO 0x1c25400 (irq = 24, base_baud = 6250000) is a 16550A
[ 0.939817] 1c25800.serial: ttyS2 at MMIO 0x1c25800 (irq = 25, base_baud = 6250000) is a 16550A
[ 0.955867] panel-simple panel: panel supply power not found, using dummy regulator
[ 0.965304] SCSI Media Changer driver v0.25
[ 0.973404] m25p80 spi0.0: unrecognized JEDEC id bytes: 0b, 40, 18
[ 0.979769] m25p80: probe of spi0.0 failed with error -2
[ 0.985657] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 0.992296] ehci-platform: EHCI generic platform driver
[ 0.997824] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[ 1.004130] ohci-platform: OHCI generic platform driver
[ 1.009832] usbcore: registered new interface driver usb-storage
[ 1.016773] udc-core: couldn't find an available UDC - added [g_cdc] to list of pending drivers
[ 1.025848] i2c /dev entries driver
[ 1.089056] sunxi-mmc 1c0f000.mmc: base:0x3097916e irq:19
[ 1.096537] usbcore: registered new interface driver usbhid
[ 1.102240] usbhid: USB HID core driver
[ 1.124324] NET: Registered protocol family 17
[ 1.129160] Key type dns_resolver registered
[ 1.135708] Loading compiled-in X.509 certificates
[ 1.151333] sun4i-drm display-engine: bound 1e60000.display-backend (ops 0xc0739ed8)
[ 1.160200] sun4i-drm display-engine: bound 1c0c000.lcd-controller (ops 0xc07391bc)
[ 1.167862] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 1.174580] [drm] No driver support for vblank timestamp query.
[ 1.228539] Console: switching to colour frame buffer device 60x34
[ 1.251883] sun4i-drm display-engine: fb0: frame buffer device
[ 1.259139] [drm] Initialized sun4i-drm 1.0.0 20150629 for display-engine on minor 0
[ 1.268253] usb_phy_generic usb_phy_generic.0.auto: usb_phy_generic.0.auto supply vcc not found, using dummy regulator
[ 1.280152] musb-hdrc musb-hdrc.1.auto: MUSB HDRC host driver
[ 1.285944] musb-hdrc musb-hdrc.1.auto: new USB bus registered, assigned bus number 1
[ 1.296133] hub 1-0:1.0: USB hub found
[ 1.300182] hub 1-0:1.0: 1 port detected
[ 1.305713] using random self ethernet address
[ 1.310347] using random host ethernet address
[ 1.316568] usb0: HOST MAC 36:44:bd:47:d1:d3
[ 1.321099] usb0: MAC 02:23:ee:4e:80:87
[ 1.325120] g_cdc gadget: CDC Composite Gadget, version: King Kamehameha Day 2008
[ 1.332687] g_cdc gadget: g_cdc ready
[ 1.337352] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[ 1.354959] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[ 1.361823] vcc3v3: disabling
[ 1.364806] ALSA device list:
[ 1.367773] #0: Loopback 1
[ 1.371602] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
[ 1.380348] cfg80211: failed to load regulatory.db
[ 1.385871] Waiting for root device /dev/mtdblock3...
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[ 0.973404] m25p80 spi0.0: unrecognized JEDEC id bytes: 0b, 40, 18
[ 0.979769] m25p80: probe of spi0.0 failed with error -2驱动不认识这个flash
这个问题我也注意到了，但是不知道要怎么解决
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感谢解决了，我开始也是修改的内核的linux/drivers/mtd/spi-nor.c 里面的，但是没改对，参考了下你发的连接可以解决问题。增加如下内容（根据自己的芯片来）：{ "xt25f128b", INFO(0x0b4018, 0, 64 * 1024, 256, 0) },
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