BlinkWee 发表的帖子

BlinkWee · 全志 SOC

目前先解决uboot加载内核慢的问题，经过排查发现SPI频率设置不对，默认是1Mhz，经过对AI的不断鞭策，AI还是给我干了点像样的活，终于有所获
1. SPI设备树节点没有设置频率，导致驱动无法获取到频率使用默认频率，驱动中的默认频率就是1Mhz
2. uboot的SPI驱动里面限制了SPI最大速度为24Mhz
解决办法
a)先解决设备树SPI节点没有设置频率的问题，在suniv-f1c100s-generic.dts文件中修改

&spi0 {
	pinctrl-names = "default";
	pinctrl-0 = <&spi0_pins_a>;
	spi-max-frequency = <100000000>;
	status = "okay";

b)修改uboot驱动，路径在这output/build/uboot-2020.07/drivers/spi/spi-sunxi.c，修改如下：

//主要修改这个最大频率就可以
#define SUN4I_SPI_MAX_RATE		100000000

目前修改后uboot加载内核(5MByte)的速度2s这样，应该是使用FIFO的问题。
uboot加载内核时间截图.png
后续再优化应该是SPI速度，内核大小裁剪的问题了。

BlinkWee · 全志 SOC

最近用LCPI-F1C200S开发板，用Buildroot-tiny200 sdk，spi nand flash，启动速度超级慢，特别是从spi_nand加载内核的时候，居然要6-7s，整个开机过程要30s这样，体验太差了，但是我看有网友可以优化到几s以内的，但是没有看到有具体的方法。
下面是启动日志，不知道有没有大佬出手帮忙看下如何优化？在网上找了几天，完全没有头绪。

14:55:05.532 -> U-Boot SPL 2020.07 (Jul 24 2025 - 11:32:13 +0800)
14:55:05.536 -> DRAM: 64 MiB
14:55:05.550 -> Trying to boot from MMC1
14:55:05.563 -> Card did not respond to voltage select!
14:55:05.564 -> spl: mmc init failed with error: -95
14:55:05.566 -> Trying to boot from MMC2
14:55:05.582 -> Card did not respond to voltage select!
14:55:05.603 -> spl: mmc init failed with error: -95
14:55:05.603 -> Trying to boot from sunxi SPI
14:55:05.603 -> SPI-NAND: GigaDevice GD5F1GQ5UEYIG
14:55:05.603 -> SPI-NAND: U-Boot address: 53248


14:55:06.312 -> U-Boot 2020.07 (Jul 24 2025 - 11:32:13 +0800) Allwinner Technology

14:55:06.317 -> CPU:   Allwinner F Series (SUNIV)
14:55:06.320 -> Model: Allwinner F1C100s Generic Device
14:55:06.335 -> DRAM:  64 MiB
14:55:06.851 -> MMC:   
14:55:06.870 -> Setting up a 1024x600 lcd console (overscan 0x0)
14:55:06.957 -> In:    serial
14:55:06.957 -> Out:   serial
14:55:06.957 -> Err:   serial
14:55:06.964 -> Allwinner mUSB OTG (Peripheral)
14:55:06.968 -> Hit any key to stop autoboot:  0 
14:55:06.973 -> No MMC device available
14:55:06.973 -> No MMC device available
14:55:06.995 -> unrecognized JEDEC id bytes: ff, c8, 51
14:55:06.995 -> Failed to initialize SPI flash at 0:0 (error -2)
14:55:06.995 -> List of MTD devices:
14:55:06.995 -> * spi-nand0
14:55:06.995 ->   - device: spi-nand@1
14:55:06.995 ->   - parent: spi@1c05000
14:55:06.995 ->   - driver: spi_nand
14:55:06.997 ->   - type: NAND flash
14:55:06.997 ->   - block size: 0x20000 bytes
14:55:06.999 ->   - min I/O: 0x800 bytes
14:55:07.002 ->   - OOB size: 128 bytes
14:55:07.005 ->   - OOB available: 4 bytes
14:55:07.008 ->   - 0x000000000000-0x000008000000 : "spi-nand0"
14:55:07.011 -> =========================
14:55:07.014 -> Boot Device: spi
14:55:07.016 -> Boot Slot 0: empty
14:55:07.016 -> Boot Slot 1: spi-nand
14:55:07.032 -> =========================
14:55:07.032 -> Reading 524288 byte(s) (256 page(s)) at offset 0x00080000
14:55:07.654 -> Unknown command 'bmp' - try 'help'
14:55:07.657 -> gpio: pin 134 (gpio 134) value is 1
14:55:07.660 -> Booting from SPI-NAND...
14:55:07.663 -> Reading 5242880 byte(s) (2560 page(s)) at offset 0x00100000
14:55:13.967 -> ## Loading kernel from FIT Image at 81000000 ...
14:55:13.969 ->    Using 'conf@0' configuration
14:55:13.972 ->    Trying 'kernel@0' kernel subimage
14:55:13.974 ->      Description:  Linux kernel
14:55:13.977 ->      Type:         Kernel Image
     Compression:  uncompressed
     Data Start:   0x810000cc
     Data Size:    4309824 Bytes = 4.1 MiB
14:55:14.004 ->      Architecture: ARM
14:55:14.004 ->      OS:           Linux
14:55:14.004 ->      Load Address: 0x80000000
14:55:14.004 ->      Entry Point:  0x80000000
14:55:14.004 ->      Hash algo:    crc32
14:55:14.004 ->      Hash value:   43cbf38a
14:55:14.005 ->    Verifying Hash Integrity ... crc32+ OK
14:55:14.099 -> ## Loading fdt from FIT Image at 81000000 ...
14:55:14.102 ->    Using 'conf@0' configuration
14:55:14.105 ->    Trying 'fdt@0' fdt subimage
14:55:14.108 ->      Description:  Flattened Device Tree blob
14:55:14.129 ->      Type:         Flat Device Tree
14:55:14.129 ->      Compression:  uncompressed
14:55:14.129 ->      Data Start:   0x8141c4f0
14:55:14.129 ->      Data Size:    15674 Bytes = 15.3 KiB
14:55:14.129 ->      Architecture: ARM
14:55:14.129 ->      Hash algo:    crc32
14:55:14.129 ->      Hash value:   afd1b6d0
14:55:14.132 ->    Verifying Hash Integrity ... crc32+ OK
14:55:14.135 ->    Booting using the fdt blob at 0x8141c4f0
14:55:14.138 ->    Loading Kernel Image
14:55:14.191 ->    Loading Device Tree to 817f9000, end 817ffd39 ... OK

14:55:14.209 -> Starting kernel ...

14:55:15.327 -> [    0.000000] Booting Linux on physical CPU 0x0
14:55:15.329 -> [    0.000000] Linux version 5.4.99 (ubt20@ubt20-Vbox) (gcc version 
8.4.0 (Buildroot -g21de572-dirty)) #1 Tue Jul 22 21:15:58 CST 2025
14:55:15.341 -> [    0.000000] CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=
0005317f
14:55:15.359 -> [    0.000000] CPU: VIVT data cache, VIVT instruction cache
14:55:15.359 -> [    0.000000] OF: fdt: Machine model: Widora MangoPi R3
14:55:15.359 -> [    0.000000] Memory policy: Data cache writeback
14:55:15.362 -> [    0.000000] cma: Reserved 16 MiB at 0x82c00000
14:55:15.367 -> [    0.000000] Built 1 zonelists, mobility grouping on.  Total pages
: 15660
14:55:15.373 -> [    0.000000] Kernel command line: console=ttyS1,115200 rootwait in
it=/preinit root=/dev/mtdblock2 rootfstype=squashfs overlayfsdev=/dev/mtdblock3 net.
ifnames=0 vt.global_cursor_default=0
14:55:15.396 -> [    0.000000] Dentry cache hash table entries: 8192 (order: 3, 3276
8 bytes, linear)
14:55:15.398 -> [    0.000000] Inode-cache hash table entries: 4096 (order: 2, 16384
 bytes, linear)
14:55:15.403 -> [    0.000000] mem auto-init: stack:off, heap alloc:off, heap free:o
ff
14:55:15.412 -> [    0.000000] Memory: 36332K/63136K available (6144K kernel code, 2
48K rwdata, 1676K rodata, 1024K init, 225K bss, 10420K reserved, 16384K cma-reserved
)
14:55:15.438 -> [    0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, No
des=1
14:55:15.438 -> [    0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
14:55:15.438 -> [    0.000000] random: get_random_bytes called from start_kernel+0x2
54/0x444 with crng_init=0
14:55:15.445 -> [    0.000048] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps
 every 89478484971ns
14:55:15.454 -> [    0.000131] clocksource: timer: mask: 0xffffffff max_cycles: 0xff
ffffff, max_idle_ns: 79635851949 ns
14:55:15.462 -> [    0.000754] Console: colour dummy device 80x30
14:55:15.478 -> [    0.000849] Calibrating delay loop... 298.59 BogoMIPS (lpj=149299
2)
14:55:15.478 -> [    0.070201] pid_max: default: 32768 minimum: 301
14:55:15.478 -> [    0.070619] Mount-cache hash table entries: 1024 (order: 0, 4096 
bytes, linear)
14:55:15.484 -> [    0.070660] Mountpoint-cache hash table entries: 1024 (order: 0, 
4096 bytes, linear)
14:55:15.493 -> [    0.072341] CPU: Testing write buffer coherency: ok
14:55:15.498 -> [    0.074365] Setting up static identity map for 0x80100000 - 0x801
00058
14:55:15.503 -> [    0.075632] devtmpfs: initialized
14:55:15.520 -> [    0.084854] clocksource: jiffies: mask: 0xffffffff max_cycles: 0x
ffffffff, max_idle_ns: 19112604462750000 ns
14:55:15.520 -> [    0.084913] futex hash table entries: 256 (order: -1, 3072 bytes,
 linear)
14:55:15.523 -> [    0.088631] pinctrl core: initialized pinctrl subsystem
14:55:15.539 -> [    0.091190] NET: Registered protocol family 16
14:55:15.539 -> [    0.093960] DMA: preallocated 256 KiB pool for atomic coherent al
locations
14:55:15.539 -> [    0.095815] cpuidle: using governor menu
14:55:15.542 -> [    0.131480] SCSI subsystem initialized
14:55:15.560 -> [    0.131821] usbcore: registered new interface driver usbfs
14:55:15.560 -> [    0.131959] usbcore: registered new interface driver hub
14:55:15.560 -> [    0.132103] usbcore: registered new device driver usb
14:55:15.562 -> [    0.132533] mc: Linux media interface: v0.10
14:55:15.568 -> [    0.132641] videodev: Linux video capture interface: v2.00
14:55:15.573 -> [    0.132745] pps_core: LinuxPPS API ver. 1 registered
14:55:15.578 -> [    0.132760] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 R
odolfo Giometti <giometti@linux.it>
14:55:15.603 -> [    0.132811] PTP clock support registered
14:55:15.603 -> [    0.133786] ion_parse_dt_heap_common: id 4 type 4 name cma align 
1000
14:55:15.603 -> [    0.134646] Advanced Linux Sound Architecture Driver Initialized.

14:55:15.604 -> [    0.136758] clocksource: Switched to clocksource timer
14:55:15.609 -> [    0.138426] simple-framebuffer 83da8000.framebuffer: framebuffer 
at 0x83da8000, 0x258000 bytes, mapped to 0x(ptrval)
14:55:15.620 -> [    0.138478] simple-framebuffer 83da8000.framebuffer: format=x8r8g
8b8, mode=1024x600x32, linelength=4096
14:55:15.636 -> [    0.167593] Console: switching to colour frame buffer device 128x
37
14:55:15.636 -> [    0.194941] simple-framebuffer 83da8000.framebuffer: fb0: simplef
b registered!
14:55:15.643 -> [    0.222941] thermal_sys: Registered thermal governor 'step_wise'
14:55:15.648 -> [    0.223607] NET: Registered protocol family 2
14:55:15.650 -> [    0.224969] tcp_listen_portaddr_hash hash table entries: 512 (ord
er: 0, 4096 bytes, linear)
14:55:15.659 -> [    0.225045] TCP established hash table entries: 1024 (order: 0, 4
096 bytes, linear)
14:55:15.667 -> [    0.225103] TCP bind hash table entries: 1024 (order: 0, 4096 byt
es, linear)
14:55:15.678 -> [    0.225141] TCP: Hash tables configured (established 1024 bind 10
24)
14:55:15.682 -> [    0.225449] UDP hash table entries: 256 (order: 0, 4096 bytes, li
near)
14:55:15.686 -> [    0.225511] UDP-Lite hash table entries: 256 (order: 0, 4096 byte
s, linear)
14:55:15.695 -> [    0.226025] NET: Registered protocol family 1
14:55:15.698 -> [    0.228456] NetWinder Floating Point Emulator V0.97 (double preci
sion)
14:55:15.706 -> [    0.230023] Initialise system trusted keyrings
14:55:15.715 -> [    0.230558] workingset: timestamp_bits=30 max_order=14 bucket_ord
er=0
14:55:15.718 -> [    0.248050] squashfs: version 4.0 (2009/01/31) Phillip Lougher
14:55:15.723 -> [    0.248578] jffs2: version 2.2. (NAND) (SUMMARY)  .. 2001-2006 Re
d Hat, Inc.
14:55:15.728 -> [    0.324145] Key type asymmetric registered
14:55:15.734 -> [    0.324182] Asymmetric key parser 'x509' registered
14:55:15.740 -> [    0.324346] Block layer SCSI generic (bsg) driver version 0.4 loa
ded (major 249)
14:55:15.752 -> [    0.324374] io scheduler mq-deadline registered
14:55:15.752 -> [    0.324386] io scheduler kyber registered
14:55:15.754 -> [    0.337088] suniv-f1c100s-pinctrl 1c20800.pinctrl: initialized su
nXi PIO driver
14:55:15.763 -> [    0.357256] Serial: 8250/16550 driver, 8 ports, IRQ sharing disab
led
14:55:15.767 -> [    0.362844] suniv-f1c100s-pinctrl 1c20800.pinctrl: 1c20800.pinctr
l supply vcc-pe not found, using dummy regulator
14:55:15.782 -> [    0.384334] 1c25000.serial: ttyS0 at MMIO 0x1c25000 (irq = 26, ba
se_baud = 6250000) is a 16550A
14:55:15.787 -> [    0.385446] suniv-f1c100s-pinctrl 1c20800.pinctrl: 1c20800.pinctr
l supply vcc-pa not found, using dummy regulator
14:55:15.800 -> [    0.407127] 1c25400.serial: ttyS1 at MMIO 0x1c25400 (irq = 27, ba
se_baud = 6250000) is a 16550A
14:55:15.806 -> [    0.888592] printk: console [ttyS1] enabled
14:55:15.820 -> [    0.901299] SCSI Media Changer driver v0.25 
14:55:15.826 -> [    0.907161] suniv-f1c100s-pinctrl 1c20800.pinctrl: 1c20800.pinctr
l supply vcc-pc not found, using dummy regulator
14:55:15.840 -> [    0.919851] spi-nand spi0.0: GigaDevice SPI NAND was found.
14:55:15.844 -> [    0.925446] spi-nand spi0.0: 128 MiB, block size: 128 KiB, page s
ize: 2048, OOB size: 128
14:55:15.854 -> [    0.935264] 4 fixed-partitions partitions found on MTD device spi
0.0
14:55:15.860 -> [    0.941744] Creating 4 MTD partitions on "spi0.0":
14:55:15.865 -> [    0.946558] 0x000000000000-0x000000100000 : "u-boot"
14:55:15.884 -> [    0.958900] 0x000000100000-0x000000600000 : "kernel"
14:55:15.884 -> [    0.964770] random: fast init done
14:55:15.907 -> [    0.988667] 0x000000600000-0x000003000000 : "rom"
14:55:16.063 -> [    1.143511] 0x000003000000-0x000004000000 : "overlay"
14:55:16.129 -> [    1.208937] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) D
river
14:55:16.133 -> [    1.215469] ehci-platform: EHCI generic platform driver
14:55:16.139 -> [    1.221104] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Drive
r
14:55:16.144 -> [    1.227421] ohci-platform: OHCI generic platform driver
14:55:16.151 -> [    1.233111] usbcore: registered new interface driver usb-storage
14:55:16.157 -> [    1.240142] usb_phy_generic usb_phy_generic.0.auto: usb_phy_gener
ic.0.auto supply vcc not found, using dummy regulator
14:55:16.172 -> [    1.253713] i2c /dev entries driver
14:55:16.175 -> [    1.257960] suniv-f1c100s-pinctrl 1c20800.pinctrl: 1c20800.pinctr
l supply vcc-pd not found, using dummy regulator
14:55:16.190 -> [    1.271390] suniv-f1c100s-pinctrl 1c20800.pinctrl: pin PE0 alread
y requested by 1c25000.serial; cannot claim for 1cb0000.csi
14:55:16.201 -> [    1.282726] suniv-f1c100s-pinctrl 1c20800.pinctrl: pin-128 (1cb00
00.csi) status -22
14:55:16.210 -> [    1.290435] suniv-f1c100s-pinctrl 1c20800.pinctrl: could not requ
est pin 128 (PE0) from group PE0  on device 1c20800.pinctrl
14:55:16.218 -> [    1.301654] sun4i-csi 1cb0000.csi: Error applying setting, revers
e things back
14:55:16.226 -> [    1.308946] sun4i-csi: probe of 1cb0000.csi failed with error -22

14:55:16.235 -> [    1.316518] sunxi-wdt 1c20ca0.watchdog: Watchdog enabled (timeout
=16 sec, nowayout=0)
14:55:16.251 -> [    1.326310] suniv-f1c100s-pinctrl 1c20800.pinctrl: 1c20800.pinctr
l supply vcc-pf not found, using dummy regulator
14:55:16.283 -> [    1.364554] sunxi-mmc 1c0f000.mmc: initialized, max. request size
: 16384 KB
14:55:16.295 -> [    1.373775] usbcore: registered new interface driver usbhid
14:55:16.298 -> [    1.379476] usbhid: USB HID core driver
14:55:16.301 -> [    1.383610] sunxi-cedar 1c0e000.video-codec: sunxi cedar version 
0.01alpha
14:55:16.307 -> [    1.390915] sunxi-cedar 1c0e000.video-codec: cedar-ve the get irq
 is 19
14:55:16.321 -> [    1.402596] debugfs: Directory '1c23c00.codec' with parent 'F1C10
0s Audio Codec' already present!
14:55:16.335 -> [    1.416552] sun4i-codec 1c23c00.codec: Codec <-> 1c23c00.codec ma
pping ok
14:55:16.355 -> [    1.431305] NET: Registered protocol family 17
14:55:16.355 -> [    1.435857] Key type dns_resolver registered
14:55:16.359 -> [    1.441229] Loading compiled-in X.509 certificates
14:55:16.376 -> [    1.457324] cfg80211: Loading compiled-in X.509 certificates for 
regulatory database
14:55:16.391 -> [    1.472747] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9
cea7'
14:55:16.397 -> [    1.479596] ALSA device list:
14:55:16.409 -> [    1.482584]   #0: F1C100s Audio Codec
14:55:16.409 -> [    1.487020] platform regulatory.0: Direct firmware load for regul
atory.db failed with error -2
14:55:16.412 -> [    1.495676] cfg80211: failed to load regulatory.db
14:55:16.430 -> [    1.511724] VFS: Mounted root (squashfs filesystem) readonly on d
evice 31:2.
14:55:16.458 -> [    1.529298] devtmpfs: mounted
14:55:16.458 -> [    1.538303] Freeing unused kernel memory: 1024K
14:55:16.460 -> [    1.542946] Run /preinit as init process
14:55:16.483 -> [    1.565000] random: crng init done
14:55:18.762 -> [    3.843500] jffs2: Empty flash at 0x00c812f0 ends at 0x00c81800
14:55:18.813 -> [    3.894858] jffs2: Empty flash at 0x00c82af0 ends at 0x00c83000
14:55:18.862 -> [    3.943796] jffs2: Empty flash at 0x00c842f0 ends at 0x00c84800
14:55:18.916 -> [    3.990475] jffs2: Empty flash at 0x00c85af0 ends at 0x00c86000
14:55:18.959 -> [    4.034693] jffs2: Empty flash at 0x00c872f0 ends at 0x00c87800
14:55:19.001 -> [    4.075984] jffs2: Empty flash at 0x00c892f0 ends at 0x00c89800
14:55:19.040 -> [    4.114859] jffs2: Empty flash at 0x00c8aaf0 ends at 0x00c8b000
14:55:19.232 -> [    4.313067] overlayfs: upper fs does not support tmpfile.
14:55:19.234 -> [    4.318614] overlayfs: upper fs does not support xattr, falling b
ack to index=off and metacopy=off.
14:55:19.563 -> Starting test log: Naisu is coming!!!
14:55:19.594 -> Starting syslogd: OK
14:55:19.672 -> Starting klogd: OK
14:55:19.758 -> Running sysctl: OK
14:55:19.981 -> Populating /dev using udev: [    5.638914] udevd[92]: starting versi
on 3.2.9
14:55:20.998 -> [    6.078942] udevd[93]: starting eudev-3.2.9
14:55:23.473 -> [    8.554907] Goodix-TS 0-005d: 0-005d supply AVDD28 not found, usi
ng dummy regulator
14:55:23.479 -> [    8.562932] Goodix-TS 0-005d: 0-005d supply VDDIO not found, usin
g dummy regulator
14:55:23.551 -> [    8.632264] ov2640 0-0030: Product ID error fa:fa
14:55:23.668 -> [    8.748944] Goodix-TS 0-005d: ID 911, version: 1060
14:55:23.724 -> [    8.806151] input: Goodix Capacitive TouchScreen as /devices/plat
form/soc/1c27000.i2c/i2c-0/0-005d/input/input0
14:55:24.551 -> done
14:55:24.710 -> Initializing random number generator: OK
14:55:24.753 -> Saving random seed: OK
14:55:24.841 -> Starting haveged: haveged: listening socket at 3
14:55:25.505 -> [   10.587823] jffs2: notice: (74) check_node_data: wrong data CRC i
n data node at 0x00ed1ed0: read 0x927a2d51, calculated 0x6c8586b8.
14:55:25.607 -> [   10.688560] jffs2: notice: (74) check_node_data: wrong data CRC i
n data node at 0x00c8bacc: read 0xf583919c, calculated 0xd54850c.
14:55:25.643 -> [   10.719076] jffs2: notice: (74) check_node_data: wrong data CRC i
n data node at 0x00c8a2cc: read 0xf583919c, calculated 0xd54850c.
14:55:25.667 -> [   10.749069] jffs2: notice: (74) check_node_data: wrong data CRC i
n data node at 0x00c88acc: read 0xf583919c, calculated 0xd54850c.
14:55:25.697 -> [   10.779074] jffs2: notice: (74) check_node_data: wrong data CRC i
n data node at 0x00c86acc: read 0xf583919c, calculated 0xd54850c.
14:55:25.727 -> [   10.809113] jffs2: notice: (74) check_node_data: wrong data CRC i
n data node at 0x00c852cc: read 0xf583919c, calculated 0xd54850c.
14:55:25.764 -> [   10.838219] jffs2: notice: (74) check_node_data: wrong data CRC i
n data node at 0x00c83acc: read 0xf583919c, calculated 0xd54850c.
14:55:25.778 -> [   10.859822] jffs2: notice: (74) check_node_data: wrong data CRC i
n data node at 0x00c822cc: read 0xf583919c, calculated 0xd54850c.
14:55:25.807 -> [   10.889116] jffs2: notice: (74) check_node_data: wrong data CRC i
n data node at 0x00c80acc: read 0xf583919c, calculated 0xd54850c.
14:55:26.412 -> OK
14:55:26.524 -> Starting network: OK
14:55:26.967 -> Starting uMTPrd: [   12.199589] file system registered
14:55:27.632 -> [   12.709906] read descriptors
14:55:27.632 -> [   12.712856] read strings
14:55:28.200 -> D:thread create succeed!

BlinkWee · 全志 SOC

20年的帖子，25年我还在看，正好也遇到了减少开机时间的问题，目前使用的buildroot-tiny200的sdk，不知道这个问题目前有没有好的解决方案呢？

BlinkWee · 全志 SOC

积分不够，特地花了5元来体验，好像不能识别我板子上的nand flash

另外上传文件居然不支持PNP图片

开发板的nand flash信息如下：
Setting up a 1024x600 lcd console (overscan 0x0)
In: serial
Out: serial
Err: serial
Allwinner mUSB OTG (Peripheral)
Hit any key to stop autoboot: 0
Card did not respond to voltage select!
Card did not respond to voltage select!
unrecognized JEDEC id bytes: ff, c8, f1
Failed to initialize SPI flash at 0:0 (error -2)
List of MTD devices:
* spi-nand0
- device: spi-nand@1
- parent: spi@1c05000
- driver: spi_nand
- type: NAND flash
- block size: 0x20000 bytes
- min I/O: 0x800 bytes
- OOB size: 64 bytes
- OOB available: 31 bytes
- 0x000000000000-0x000008000000 : "spi-nand0"

BlinkWee · 全志 SOC

已经解决无法亮屏幕的问题，总结一下：
屏幕参数配置中的：sync:0,vmode:0 这2个不用管。
在以下参数中，
CONFIG_VIDEO_LCD_MODE="x:1024,y:600,depth:18,pclk_khz:30000,le:16,ri:209,up:22,lo:22,hs:30,vs:1,sync:0,vmode:0"
一个不同分辨率的屏幕，可以尝试只修改x:1024,y:600的值，如果不行再尝试修改其他值。

fbset

mode "1024x600-0"
        # D: 0.000 MHz, H: 0.000 kHz, V: 0.000 Hz
        geometry 1024 600 1024 600 32
        timings 0 0 0 0 0 0 0
        accel false
        rgba 8/16,8/8,8/0,0/0
endmode

上面这个是对的。要测试屏幕可以使用fb-test指令，也可以在命令行输入fb然后按2次tab键，会弹出支持的指令。

然后总结一下我的屏幕为什么没有起来，因为我的用的SD卡启动，而我的板子原本还有spi nand flash，flash中还有一个完整的系统。
buildroot-tiny200刚clone下来时只，启动参数在board/widora/mangopi/r3/devicetree/linux/devicetree.dts中，只有一个。

bootargs = "console=ttyS0,115200 rootwait init=/preinit root=/dev/mtdblock2 rootfstype=squashfs overlayfsdev=/dev/mtdblock3";

上面这个启动参数可以让uboot，内核，设备树等从SD卡中加载。但是根文件系统是从spi flash中加载的。我的问题就出现在根文件系统没有正确加载上。
而如果要从SD卡启动，要设置参数如下

bootargs = "console=ttyS0,115200 earlyprintk rootwait init=/preinit root=/dev/mmcblk0p3";

下面把2个启动参数一起贴出来。

//for NAND or Nor
	//bootargs = "console=ttyS0,115200 rootwait init=/preinit root=/dev/mtdblock2 rootfstype=squashfs overlayfsdev=/dev/mtdblock3";
//for sd-card
  	bootargs = "console=ttyS0,115200 earlyprintk rootwait init=/preinit root=/dev/mmcblk0p3";

这个方法我是从这个帖子上找到的：
https://whycan.com/t_9403.html

其实对于我这个板子来说，只需要修改屏幕参数中的，x y的分辨率，然后从SD卡启动就修改启动参数就可以了。如果仍然要把程序烧录到spi flash中的启动参数都不用修改。

BlinkWee · 全志 SOC

@acom2024

对的，我那个只是下载到内存，如果要下载到spi_nor flash，xboot不是也支持吗，但是不支持下载到nand flash，如果要下载到nand flash,可以尝试用nand flash的uboot，让板子进入fel模式，然后下载nand flash的uboot，让芯片进入dfu模式，然后通过dfu工具下载你的文件，这样看看行不行。或者让xboot支持nand flash，这样要找一个支持nand flash的源码移植。

BlinkWee · 全志 SOC

我的这个屏幕也没有起来，我用的是cherry pi的，用的是buildroot_tiny200这个SDK，屏幕是1024*600的RGB屏，但是都没有亮屏，我用板子原来自带的img可以亮屏，只是分辨率不对。然后不知道从哪里下手了。

U-Boot SPL 2020.07 (Apr 01 2024 - 17:21:31 +0800)
DRAM: 64 MiB
Trying to boot from MMC1


U-Boot 2020.07 (Apr 01 2024 - 17:21:31 +0800) Allwinner Technology

CPU:   Allwinner F Series (SUNIV)
Model: Allwinner F1C100s Generic Device
DRAM:  64 MiB
MMC:   mmc@1c0f000: 0, mmc@1c10000: 1
Setting up a 1024x600 lcd console (overscan 0x0)
In:    serial
Out:   serial
Err:   serial
Allwinner mUSB OTG (Peripheral)
Hit any key to stop autoboot:  0
switch to partitions #0, OK
mmc0 is current device
Card did not respond to voltage select!
unrecognized JEDEC id bytes: ff, c8, f1
Failed to initialize SPI flash at 0:0 (error -2)
List of MTD devices:
* spi-nand0
  - device: spi-nand@1
  - parent: spi@1c05000
  - driver: spi_nand
  - type: NAND flash
  - block size: 0x20000 bytes
  - min I/O: 0x800 bytes
  - OOB size: 64 bytes
  - OOB available: 31 bytes
  - 0x000000000000-0x000008000000 : "spi-nand0"
=========================
Boot Device: mmc0
Boot Slot 0: mmc0
Boot Slot 1: spi-nand
=========================
## Error: "splash_mmc0" not defined
Unknown command 'bmp' - try 'help'
gpio: pin 134 (gpio 134) value is 1
switch to partitions #0, OK
mmc0 is current device
Booting from MMC0...
4326664 bytes read in 700 ms (5.9 MiB/s)
## Loading kernel from FIT Image at 81000000 ...
   Using 'conf@0' configuration
   Trying 'kernel@0' kernel subimage
     Description:  Linux kernel
     Type:         Kernel Image
     Compression:  uncompressed
     Data Start:   0x810000cc
     Data Size:    4309200 Bytes = 4.1 MiB
     Architecture: ARM
     OS:           Linux
     Load Address: 0x80000000
     Entry Point:  0x80000000
     Hash algo:    crc32
     Hash value:   14001dca
   Verifying Hash Integrity ... crc32+ OK
## Loading fdt from FIT Image at 81000000 ...
   Using 'conf@0' configuration
   Trying 'fdt@0' fdt subimage
     Description:  Flattened Device Tree blob
     Type:         Flat Device Tree
     Compression:  uncompressed
     Data Start:   0x8141c280
     Data Size:    15666 Bytes = 15.3 KiB
     Architecture: ARM
     Hash algo:    crc32
     Hash value:   61472816
   Verifying Hash Integrity ... crc32+ OK
   Booting using the fdt blob at 0x8141c280
   Loading Kernel Image
   Loading Device Tree to 817f9000, end 817ffd31 ... OK

Starting kernel ...

[    0.000000] Booting Linux on physical CPU 0x0
[    0.000000] Linux version 5.4.99 (jasher@ubuntu-20-04) (gcc version 8.4.0 (Buildroot -g21de572-dirty)) #2 Mon Apr 1 17:24:31 CST 2024
[    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: Widora MangoPi R3
[    0.000000] Memory policy: Data cache writeback
[    0.000000] cma: Reserved 16 MiB at 0x82800000
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 15660
[    0.000000] Kernel command line: console=ttyS0,115200 rootwait init=/preinit root=/dev/mtdblock2 rootfstype=squashfs overlayfsdev=/dev/mtdblock3 net.ifnames=0 vt.global_cursor_default=0
[    0.000000] Dentry cache hash table entries: 8192 (order: 3, 32768 bytes, linear)
[    0.000000] Inode-cache hash table entries: 4096 (order: 2, 16384 bytes, linear)
[    0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
[    0.000000] Memory: 36332K/63136K available (6144K kernel code, 248K rwdata, 1676K rodata, 1024K init, 225K bss, 10420K reserved, 16384K cma-reserved)
[    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
[    0.000000] random: get_random_bytes called from start_kernel+0x254/0x444 with crng_init=0
[    0.000050] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns
[    0.000147] clocksource: timer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns
[    0.000904] Console: colour dummy device 80x30
[    0.001014] Calibrating delay loop... 203.16 BogoMIPS (lpj=1015808)
[    0.070272] pid_max: default: 32768 minimum: 301
[    0.070800] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.070849] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.072787] CPU: Testing write buffer coherency: ok
[    0.074973] Setting up static identity map for 0x80100000 - 0x80100058
[    0.076201] devtmpfs: initialized
[    0.088106] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    0.088173] futex hash table entries: 256 (order: -1, 3072 bytes, linear)
[    0.092937] pinctrl core: initialized pinctrl subsystem
[    0.095594] NET: Registered protocol family 16
[    0.100925] DMA: preallocated 256 KiB pool for atomic coherent allocations
[    0.103139] cpuidle: using governor menu
[    0.143965] SCSI subsystem initialized
[    0.144385] usbcore: registered new interface driver usbfs
[    0.144562] usbcore: registered new interface driver hub
[    0.144725] usbcore: registered new device driver usb
[    0.145178] mc: Linux media interface: v0.10
[    0.145299] videodev: Linux video capture interface: v2.00
[    0.145419] pps_core: LinuxPPS API ver. 1 registered
[    0.145438] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    0.145499] PTP clock support registered
[    0.146576] ion_parse_dt_heap_common: id 4 type 4 name cma align 1000
[    0.147527] Advanced Linux Sound Architecture Driver Initialized.
[    0.149977] clocksource: Switched to clocksource timer
[    0.152069] simple-framebuffer 83da8000.framebuffer: framebuffer at 0x83da8000, 0x258000 bytes, mapped to 0x(ptrval)
[    0.152128] simple-framebuffer 83da8000.framebuffer: format=x8r8g8b8, mode=1024x600x32, linelength=4096
[    0.193823] Console: switching to colour frame buffer device 128x37
[    0.233631] simple-framebuffer 83da8000.framebuffer: fb0: simplefb registered!
[    0.263932] thermal_sys: Registered thermal governor 'step_wise'
[    0.264694] NET: Registered protocol family 2
[    0.266274] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 4096 bytes, linear)
[    0.266364] TCP established hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.266424] TCP bind hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.266475] TCP: Hash tables configured (established 1024 bind 1024)
[    0.266790] UDP hash table entries: 256 (order: 0, 4096 bytes, linear)
[    0.266860] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes, linear)
[    0.267415] NET: Registered protocol family 1
[    0.270277] NetWinder Floating Point Emulator V0.97 (double precision)
[    0.272072] Initialise system trusted keyrings
[    0.272711] workingset: timestamp_bits=30 max_order=14 bucket_order=0
[    0.294824] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[    0.295463] jffs2: version 2.2. (NAND) (SUMMARY)  © 2001-2006 Red Hat, Inc.
[    0.416041] Key type asymmetric registered
[    0.416079] Asymmetric key parser 'x509' registered
[    0.416253] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249)
[    0.416280] io scheduler mq-deadline registered
[    0.416296] io scheduler kyber registered
[    0.431574] suniv-f1c100s-pinctrl 1c20800.pinctrl: initialized sunXi PIO driver
[    0.455343] Serial: 8250/16550 driver, 8 ports, IRQ sharing disabled
[    0.461622] suniv-f1c100s-pinctrl 1c20800.pinctrl: 1c20800.pinctrl supply vcc-pa not found, using dummy regulator
[    0.462958] printk: console [ttyS0] disabled
[    0.483293] 1c25400.serial: ttyS0 at MMIO 0x1c25400 (irq = 26, base_baud = 6250000) is a 16550A
[    0.950675] printk: console [ttyS0] enabled
[    0.965746] SCSI Media Changer driver v0.25
[    0.971761] suniv-f1c100s-pinctrl 1c20800.pinctrl: 1c20800.pinctrl supply vcc-pc not found, using dummy regulator
[    0.984856] spi-nand spi0.0: GigaDevice SPI NAND was found.
[    0.990580] spi-nand spi0.0: 128 MiB, block size: 128 KiB, page size: 2048, OOB size: 64
[    1.000506] 5 fixed-partitions partitions found on MTD device spi0.0
[    1.006867] Creating 5 MTD partitions on "spi0.0":
[    1.011810] 0x000000000000-0x000000100000 : "u-boot"
[    1.023765] 0x000000100000-0x000000600000 : "kernel"
[    1.029321] random: fast init done
[    1.055731] 0x000000600000-0x000003000000 : "rom"
[    1.228622] 0x000003000000-0x000004000000 : "vendor"
[    1.299953] 0x000004000000-0x000007000000 : "overlay"
[    1.495509] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    1.502182] ehci-platform: EHCI generic platform driver
[    1.507794] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    1.514120] ohci-platform: OHCI generic platform driver
[    1.519894] usbcore: registered new interface driver usb-storage
[    1.526963] usb_phy_generic usb_phy_generic.0.auto: usb_phy_generic.0.auto supply vcc not found, using dummy regulator
[    1.541010] i2c /dev entries driver
[    1.545147] suniv-f1c100s-pinctrl 1c20800.pinctrl: 1c20800.pinctrl supply vcc-pd not found, using dummy regulator
[    1.558988] suniv-f1c100s-pinctrl 1c20800.pinctrl: 1c20800.pinctrl supply vcc-pe not found, using dummy regulator
[    1.570174] sun4i-csi 1cb0000.csi: Packed (RAW) format enabled.
[    1.578077] sunxi-wdt 1c20ca0.watchdog: Watchdog enabled (timeout=16 sec, nowayout=0)
[    1.588079] suniv-f1c100s-pinctrl 1c20800.pinctrl: 1c20800.pinctrl supply vcc-pf not found, using dummy regulator
[    1.626525] sunxi-mmc 1c0f000.mmc: initialized, max. request size: 16384 KB
[    1.636106] usbcore: registered new interface driver usbhid
[    1.641808] usbhid: USB HID core driver
[    1.646018] sunxi-cedar 1c0e000.video-codec: sunxi cedar version 0.01alpha
[    1.653379] sunxi-cedar 1c0e000.video-codec: cedar-ve the get irq is 19
[    1.665481] debugfs: Directory '1c23c00.codec' with parent 'F1C100s Audio Codec' already present!
[    1.680766] sun4i-codec 1c23c00.codec: Codec <-> 1c23c00.codec mapping ok
[    1.696932] NET: Registered protocol family 17
[    1.701633] Key type dns_resolver registered
[    1.707224] Loading compiled-in X.509 certificates
[    1.725195] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[    1.743649] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[    1.750505] ALSA device list:
[    1.753495]   #0: F1C100s Audio Codec
[    1.757860] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
[    1.766614] cfg80211: failed to load regulatory.db
[    1.781227] VFS: Mounted root (squashfs filesystem) readonly on device 31:2.
[    1.799487] devtmpfs: mounted
[    1.808637] Freeing unused kernel memory: 1024K
[    1.813429] Run /preinit as init process
[    1.821793] random: crng init done
[    1.827366] mmc0: host does not support reading read-only switch, assuming write-enable
[    1.923850] mmc0: new high speed SDHC card at address 211d
[    1.931679] mmcblk0: mmc0:211d APPSD 7.50 GiB
[    2.061352]  mmcblk0: p1 p2 p3
[    4.217523] jffs2: Empty flash at 0x0083c6ac ends at 0x0083c800
[    4.227962] jffs2: Empty flash at 0x0083dc18 ends at 0x0083e000
[    4.235989] jffs2: Empty flash at 0x0083f424 ends at 0x0083f800
[    4.575055] jffs2: Empty flash at 0x00fe0c18 ends at 0x00fe1000
[    4.630890] jffs2: Empty flash at 0x00fe2418 ends at 0x00fe2800
[    4.684284] jffs2: Empty flash at 0x00fe3c18 ends at 0x00fe4000
[    4.732680] jffs2: Empty flash at 0x00fe6880 ends at 0x00fe7000
[    4.778417] jffs2: Empty flash at 0x00fe84d8 ends at 0x00fe8800
[    4.821923] jffs2: Empty flash at 0x00fe9cd8 ends at 0x00fea000
[    4.860439] jffs2: Empty flash at 0x00fec94c ends at 0x00fed000
[    4.967520] overlayfs: upper fs does not support tmpfile.
[    4.973105] overlayfs: upper fs does not support xattr, falling back to index=off and metacopy=off.
Starting syslogd: OK
Starting klogd: OK
Running sysctl: OK
Populating /dev using udev: [    6.218369] udevd[91]: starting version 3.2.9
[    6.458319] udevd[92]: starting eudev-3.2.9
done
[    9.711082] jffs2: notice: (57) check_node_data: wrong data CRC in data node at 0x00feda88: read 0x1b0ad847, calculated 0xa81b08bd.
Initializing random number generator: OK
Saving random seed: [   10.148232] jffs2: notice: (57) check_node_data: wrong data CRC in data node at 0x00febf74: read 0x1b0ad847, calculated 0xa80a68d8.
OK
Starting network: OK
Starting uMTPrd: [   11.795507] file system registered
[   12.085871] read descriptors
[   12.088823] read strings
OK

Welcome to Widora MangoPi R3
mangopi-r3 login: [   13.498014] configfs-gadget gadget: high-speed config #1: c

fbset 指令显示如下：

# fbset

mode "1024x600-0"
        # D: 0.000 MHz, H: 0.000 kHz, V: 0.000 Hz
        geometry 1024 600 1024 600 32
        timings 0 0 0 0 0 0 0
        accel false
        rgba 8/16,8/8,8/0,0/0
endmode

BlinkWee · 全志 SOC

有没有人说一下屏幕参数配置中的：sync:0,vmode:0 这2个的具体含义？我找了好久没有找到，只看到有人说跟视频有关。

BlinkWee · 全志 SOC

/usr/include/libfdt_env.h:27:30: error: conflicting types for ‘fdt64_t’ 错误

这是u-boot在编译本机程序（使用 HOSTCC）时出现的，出现这个问题是因为你的系统版本太新了, 然后系统中的 libfdt 是比较新的，u-boot 版本比较老，而 libfdt 库改动过，u-boot 调用该库时出现兼容问题，实际上 u-boot 内置有libfdt，你把系统新的 libfdt-dev 删除，u-boot 就会调用源代码自带的旧的 libfdt, 所以只需下面命令然后重新编译：

sudo apt-get remove libfdt-dev

后面想重新安装只需：

sudo apt-get install libfdt-dev

原文链接：https://www.jianshu.com/p/ad3619db9b3d

BlinkWee · 全志 SOC

@BlinkWee
解决了因为这个板子的SPI NAND Flash还不被sunxi-fel支持，因为我用xfel烧录时提示不支持这个nor flash，所以无法下载到spiflash中，另外我目前所用的fel是xboot的xfel，感觉好用一点，我用xboot的烧录ddr指令：sudo xfel ddr; sudo xfel write 0x80000000 f1c200s_library.bin; sudo xfel exec 0x80000000;这个指令测试了代码，是OK的，串口有输出：
F1C200S demo test!
---------------------------
其他功能还没有测试，只是初步跑起来。

BlinkWee · 全志 SOC

我买了一个LC-PI-200S的板子，使用了这个库，下载也成功了，编译和下载截图

，

但是看不到串口打印，不知道有没有大佬指导一下，新手入坑。

串口硬件方面我也排查了，硬件上使用的是PA2,PA3作为串口输出，代码里面也是用这个，

但是串口无法输出，是怎么回事呢？

WhyCan Forum(哇酷开发者社区)

#1 Re: 全志 SOC » 求救，F1C200S spi nand flash如何加快？基于Buildroot-tiny200 sdk » 2025-07-25 11:32:27

#2 全志 SOC » 求救，F1C200S spi nand flash如何加快？基于Buildroot-tiny200 sdk » 2025-07-24 15:05:46

#3 Re: 全志 SOC » F1C100S/F1C200S-减少开机时间、uboot、内核、根文件系统裁减优化问题 » 2025-07-23 16:13:03

#4 Re: 全志 SOC » DKTool F1C100s/F1C200s专用工具哇酷网特别版，20201221正式发布！！！！ » 2025-05-17 17:24:44

#5 Re: 全志 SOC » f1c100s驱动rgb屏求助 » 2024-04-03 10:34:58

#6 Re: 全志 SOC » 模仿stm32标准库风格写的库文件（f1c100s/f1c200s)，且已移植了rt-thread、lvgl、fatfs、cherryusb » 2024-04-03 10:17:28

#7 Re: 全志 SOC » f1c100s驱动rgb屏求助 » 2024-04-02 08:42:20

#8 Re: 全志 SOC » f1c100s驱动rgb屏求助 » 2024-04-01 16:09:43

#9 Re: 全志 SOC » [已解决]荔枝派nano Archlinux 下编译 u-boot 求助 » 2024-03-20 18:57:12

#10 Re: 全志 SOC » 模仿stm32标准库风格写的库文件（f1c100s/f1c200s)，且已移植了rt-thread、lvgl、fatfs、cherryusb » 2024-02-27 16:23:04

#11 Re: 全志 SOC » 模仿stm32标准库风格写的库文件（f1c100s/f1c200s)，且已移植了rt-thread、lvgl、fatfs、cherryusb » 2024-02-26 19:57:39

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