WhyCan Forum(哇酷开发者社区)

// board/sipeed/lichee/nano/devicetree/linux/devicetree.dts  L15
bootargs = "console=ttyS0,115200 earlyprintk rootwait init=/preinit root=/dev/mmcblk0p3 rw rootfstype=ext4";

U-Boot SPL 2020.07 (May 17 2021 - 21:17:45 +0800)
DRAM: 32 MiB
Trying to boot from MMC1


U-Boot 2020.07 (May 17 2021 - 21:17:45 +0800) Allwinner Technology

CPU:   Allwinner F Series (SUNIV)
Model: Allwinner F1C100s Generic Device
DRAM:  32 MiB
MMC:   mmc@1c0f000: 0, mmc@1c10000: 1
Setting up a 480x272 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, ff, ff
Failed to initialize SPI flash at 0:0 (error -2)
List of MTD devices:
No MTD device found
=========================
Boot Device: mmc0
Boot Slot 0: mmc0
Boot Slot 1: empty
=========================
## Error: "splash_mmc0" not defined
Unknown command 'bmp' - try 'help'
gpio: pin 134 (gpio 134) value is 1
DFU waiting on MMC0...
switch to partitions #0, OK
mmc0 is current device
switch to partitions #0, OK
mmc0 is current device
Booting from MMC0...
4326476 bytes read in 701 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:    4309976 Bytes = 4.1 MiB
     Architecture: ARM
     OS:           Linux
     Load Address: 0x80000000
     Entry Point:  0x80000000
     Hash algo:    crc32
     Hash value:   4596d43c
   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:   0x8141c588
     Data Size:    14702 Bytes = 14.4 KiB
     Architecture: ARM
     Hash algo:    crc32
     Hash value:   93f00654
   Verifying Hash Integrity ... crc32+ OK
   Booting using the fdt blob at 0x8141c588
   Loading Kernel Image
   Loading Device Tree to 817f9000, end 817ff96d ... OK
Cannot setup simplefb: node not found

Starting kernel ...

[    0.000000] Booting Linux on physical CPU 0x0
[    0.000000] Linux version 5.4.92 (imliubo@OopsWowStudio) (gcc version 8.4.0 (Buildroot -gc1d5cdb)) #6 Mon May 17 20:26:14 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: M5Stack M5Pi
[    0.000000] Memory policy: Data cache writeback
[    0.000000] cma: Failed to reserve 16 MiB
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 8128
[    0.000000] Kernel command line: console=ttyS0,115200 earlyprintk rootwait init=/preinit root=/dev/mmcblk0p3 rw rootfstype=ext4 net.ifnames=0 vt.global_cursor_default=0
[    0.000000] Dentry cache hash table entries: 4096 (order: 2, 16384 bytes, linear)
[    0.000000] Inode-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)
[    0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
[    0.000000] Memory: 22668K/32768K available (6144K kernel code, 248K rwdata, 1676K rodata, 1024K init, 225K bss, 10100K reserved, 0K 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
[    0.000047] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns
[    0.000135] clocksource: timer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns
[    0.000814] Console: colour dummy device 80x30
[    0.000913] Calibrating delay loop... 203.16 BogoMIPS (lpj=1015808)
[    0.070253] pid_max: default: 32768 minimum: 301
[    0.070778] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.070823] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.072661] CPU: Testing write buffer coherency: ok
[    0.074592] Setting up static identity map for 0x80100000 - 0x80100058
[    0.075801] devtmpfs: initialized
[    0.087204] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    0.087266] futex hash table entries: 256 (order: -1, 3072 bytes, linear)
[    0.087535] pinctrl core: initialized pinctrl subsystem
[    0.089986] NET: Registered protocol family 16
[    0.091750] DMA: preallocated 256 KiB pool for atomic coherent allocations
[    0.093930] cpuidle: using governor menu
[    0.136206] SCSI subsystem initialized
[    0.136586] usbcore: registered new interface driver usbfs
[    0.136751] usbcore: registered new interface driver hub
[    0.136903] usbcore: registered new device driver usb
[    0.137371] mc: Linux media interface: v0.10
[    0.137515] videodev: Linux video capture interface: v2.00
[    0.137626] pps_core: LinuxPPS API ver. 1 registered
[    0.137645] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    0.137703] PTP clock support registered
[    0.138747] ion_parse_dt_heap_common: id 4 type 4 name cma align 1000
[    0.139710] Advanced Linux Sound Architecture Driver Initialized.
[    0.142273] clocksource: Switched to clocksource timer
[    0.173420] thermal_sys: Registered thermal governor 'step_wise'
[    0.174155] NET: Registered protocol family 2
[    0.175656] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 4096 bytes, linear)
[    0.175736] TCP established hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.175793] TCP bind hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.175840] TCP: Hash tables configured (established 1024 bind 1024)
[    0.176108] UDP hash table entries: 256 (order: 0, 4096 bytes, linear)
[    0.176167] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes, linear)
[    0.176675] NET: Registered protocol family 1
[    0.179271] NetWinder Floating Point Emulator V0.97 (double precision)
[    0.181065] Initialise system trusted keyrings
[    0.181686] workingset: timestamp_bits=30 max_order=13 bucket_order=0
[    0.203499] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[    0.204112] jffs2: version 2.2. (NAND) (SUMMARY)  © 2001-2006 Red Hat, Inc.
[    0.322006] Key type asymmetric registered
[    0.322047] Asymmetric key parser 'x509' registered
[    0.322222] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249)
[    0.322364] io scheduler mq-deadline registered
[    0.322391] io scheduler kyber registered
[    0.325032] sun4i-usb-phy 1c13400.phy: Couldn't request ID GPIO
[    0.337357] suniv-f1c100s-pinctrl 1c20800.pinctrl: initialized sunXi PIO driver
[    0.361860] Serial: 8250/16550 driver, 8 ports, IRQ sharing disabled
[    0.367968] suniv-f1c100s-pinctrl 1c20800.pinctrl: 1c20800.pinctrl supply vcc-pe not found, using dummy regulator
[    0.369256] printk: console [ttyS0] disabled
[    0.389579] 1c25000.serial: ttyS0 at MMIO 0x1c25000 (irq = 27, base_baud = 6250000) is a 16550A
[    0.826268] printk: console [ttyS0] enabled
[    0.835969] suniv-f1c100s-pinctrl 1c20800.pinctrl: 1c20800.pinctrl supply vcc-pd not found, using dummy regulator
[    0.856735] panel-simple panel: panel supply power not found, using dummy regulator
[    0.866392] SCSI Media Changer driver v0.25 
[    0.872242] suniv-f1c100s-pinctrl 1c20800.pinctrl: 1c20800.pinctrl supply vcc-pc not found, using dummy regulator
[    0.885192] spi-nor spi0.0: unrecognized JEDEC id bytes: ff ff ff ff ff ff
[    0.892802] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    0.899328] ehci-platform: EHCI generic platform driver
[    0.905049] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    0.911280] ohci-platform: OHCI generic platform driver
[    0.917105] usbcore: registered new interface driver usb-storage
[    0.924844] i2c /dev entries driver
[    0.928969] suniv-f1c100s-pinctrl 1c20800.pinctrl: 1c20800.pinctrl supply vcc-pd not found, using dummy regulator
[    0.943244] sunxi-wdt 1c20ca0.watchdog: Watchdog enabled (timeout=16 sec, nowayout=0)
[    0.953249] suniv-f1c100s-pinctrl 1c20800.pinctrl: 1c20800.pinctrl supply vcc-pf not found, using dummy regulator
[    0.991075] sunxi-mmc 1c0f000.mmc: initialized, max. request size: 16384 KB
[    1.000541] usbcore: registered new interface driver usbhid
[    1.006240] usbhid: USB HID core driver
[    1.010418] sunxi-cedar 1c0e000.video-codec: sunxi cedar version 0.01alpha
[    1.017723] sunxi-cedar 1c0e000.video-codec: cedar-ve the get irq is 20
[    1.029583] debugfs: Directory '1c23c00.codec' with parent 'F1C100s Audio Codec' already present!
[    1.042851] sun4i-codec 1c23c00.codec: Codec <-> 1c23c00.codec mapping ok
[    1.059512] NET: Registered protocol family 17
[    1.064197] Key type dns_resolver registered
[    1.069655] Loading compiled-in X.509 certificates
[    1.089785] sun4i-drm soc:display-engine: bound 1e00000.display-frontend (ops 0xc073b278)
[    1.098889] sun4i-drm soc:display-engine: bound 1e60000.display-backend (ops 0xc073aab8)
[    1.108500] sun4i-drm soc:display-engine: bound 1c0c000.lcd-controller (ops 0xc0739658)
[    1.117133] sun4i-drm soc:display-engine: bound 1c0a000.tv-encoder (ops 0xc073a378)
[    1.124913] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    1.131515] [drm] No driver support for vblank timestamp query.
[    1.139646] [drm] Initialized sun4i-drm 1.0.0 20150629 for soc:display-engine on minor 0
[    1.148697] [drm] kms: can't enable cloning when we probably wanted to.
[    1.191497] mmc0: host does not support reading read-only switch, assuming write-enable
[    1.194747] mmc0: new high speed SDHC card at address aaaa
[    1.196700] mmcblk0: mmc0:aaaa SC16G 14.8 GiB 
[    1.206309] Console: switching to colour frame buffer device 60x34
[    1.213267]  mmcblk0: p1 p2 p3
[    1.251481] sun4i-drm soc:display-engine: fb0: sun4i-drmdrmfb frame buffer device
[    1.260633] usb_phy_generic usb_phy_generic.0.auto: usb_phy_generic.0.auto supply vcc not found, using dummy regulator
[    1.272791] musb-hdrc musb-hdrc.1.auto: MUSB HDRC host driver
[    1.278641] musb-hdrc musb-hdrc.1.auto: new USB bus registered, assigned bus number 1
[    1.289008] hub 1-0:1.0: USB hub found
[    1.293045] hub 1-0:1.0: 1 port detected
[    1.299601] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[    1.317338] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[    1.324168] ALSA device list:
[    1.327153]   #0: F1C100s Audio Codec
[    1.331346] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
[    1.340110] cfg80211: failed to load regulatory.db
[    1.364375] EXT4-fs (mmcblk0p3): mounted filesystem with ordered data mode. Opts: (null)
[    1.372772] VFS: Mounted root (ext4 filesystem) on device 179:3.
[    1.383366] devtmpfs: mounted
[    1.390987] Freeing unused kernel memory: 1024K
[    1.395739] Run /preinit as init process
[    1.512367] random: fast init done
[    1.896012] EXT4-fs (mmcblk0p3): re-mounted. Opts: (null)
Starting syslogd: OK
Starting klogd: OK
Running sysctl: OK
Populating /dev using udev: [    2.477890] udevd[87]: starting version 3.2.9
[    2.521592] random: udevd: uninitialized urandom read (16 bytes read)
[    2.535564] random: udevd: uninitialized urandom read (16 bytes read)
[    2.543483] random: udevd: uninitialized urandom read (16 bytes read)
[    2.634732] udevd[88]: starting eudev-3.2.9
[    6.402744] i2c i2c-0: mv64xxx: I2C bus locked, block: 1, time_left: 0
[    6.409303] tsc2007 0-0048: i2c io error: -110
[    6.413910] tsc2007 0-0048: Failed to setup chip: -110
[    6.426898] tsc2007: probe of 0-0048 failed with error -110
done
Initializing random number generator: OK
Saving random seed: [    6.598783] random: dd: uninitialized urandom read (512 bytes read)
OK
Starting haveged: haveged: listening socket at 3
OK
Starting network: OK
Starting uMTPrd: [    8.164082] file system registered
[    8.433924] read descriptors
[    8.436880] read strings
OK

Welcome to M5Stack M5Pi
M5Stack-M5Pi login: [   15.137067] random: crng init done
[   31.842354] vcc3v0: disabling
[   31.845359] vcc5v0: disabling

Welcome to M5Stack M5Pi
M5Stack-M5Pi login: root
Password: 
# uname -a
Linux M5Stack-M5Pi 5.4.92 #6 Mon May 17 20:26:14 CST 2021 armv5tejl GNU/Linux
# cat /proc/cpuinfo 
processor	: 0
model name	: ARM926EJ-S rev 5 (v5l)
BogoMIPS	: 203.16
Features	: swp half thumb fastmult edsp java 
CPU implementer	: 0x41
CPU architecture: 5TEJ
CPU variant	: 0x0
CPU part	: 0x926
CPU revision	: 5

Hardware	: Allwinner suniv Family
Revision	: 0000
Serial		: 0000000000000000
# cat /etc/os-release 
NAME=Buildroot
VERSION=-gc1d5cdb-dirty
ID=buildroot
VERSION_ID=2020.02.7
PRETTY_NAME="Buildroot 2020.02.7"

[   97.497468] esp8089_spi: esp_pub_init_all
[   97.497488] esp8089_spi: esp_download_fw
[   98.083871] esp8089_spi: sif_platform_irq_init enter
[   98.089007] suniv-f1c100s-pinctrl 1c20800.pinctrl: 1c20800.pinctrl supply vcc-pd not found, using dummy regulator
[  100.162641] bootup event timeout
[  100.162687] for unknow reason,we may not be informed the boot/rst complete event, assume it completed and continue here
[  100.165426] esp_host:bdf5087c3deb
[  100.165426] esp_target: e826c2b3c9fd 57 18202

# ifconfig wlan0 up
# iw dev wlan0 scan | grep SSID
	SSID: kyms
	SSID: lzf
	SSID: HUAWEI-A07M8R
	SSID: 
	SSID: Topway_3A0763
	SSID: Topway_CJ'home
	SSID: HUAWEI-QV63SY
	SSID: \x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00
	SSID: ziroom204_1
	SSID: imliubo-Pixel-4a
	SSID: ChinaNet-NUFU
	SSID: ziroom-201
	SSID: 
	SSID: hp12319
	SSID: \x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00

modprobe esp8089-spi  # 加载内核驱动
ifconfig wlan0 up  # 
iw dev wlan0 scan | grep SSID  # 扫描Wi-Fi
iw wlan0 connect imliubo-Pixel-4a # 连接开放的网络
iw dev wlan0 link  # 查看连接状态
ifconfig wlan0 192.168.6.160  # 因为没有DHCP，要手动分配IP

key must be [d:]index:data where
  'd:'     means default (transmit) key
  'index:' is a single digit (0-3)
  'data'   must be 5 or 13 ascii chars
           or 10 or 26 hex digits
for example: d:2:6162636465 is the same as d:2:abcde
or psk:data <AKM Suite> <pairwise CIPHER> <groupwise CIPHER> where
  'data' is the PSK (output of wpa_passphrase and the CIPHER can be CCMP or GCMP
for example: psk:0123456789abcdef PSK CCMP CCMP
The allowed AKM suites are PSK, FT/PSK, PSK/SHA-256
The allowed Cipher suites are TKIP, CCMP, GCMP, GCMP-256, CCMP-256

64 bytes from 192.168.6.159: seq=4831 ttl=64 time=1009.088 ms
64 bytes from 192.168.6.159: seq=4832 ttl=64 time=1009.024 ms
64 bytes from 192.168.6.159: seq=4833 ttl=64 time=1008.791 ms
64 bytes from 192.168.6.159: seq=4834 ttl=64 time=1008.658 ms
64 bytes from 192.168.6.159: seq=4835 ttl=64 time=1009.040 ms
64 bytes from 192.168.6.159: seq=4836 ttl=64 time=1009.210 ms
64 bytes from 192.168.6.159: seq=4837 ttl=64 time=1009.286 ms
64 bytes from 192.168.6.159: seq=4838 ttl=64 time=1009.270 ms
64 bytes from 192.168.6.159: seq=4839 ttl=64 time=1009.059 ms
64 bytes from 192.168.6.159: seq=4840 ttl=64 time=1008.930 ms
64 bytes from 192.168.6.159: seq=4841 ttl=64 time=1003.605 ms
64 bytes from 192.168.6.159: seq=4842 ttl=64 time=1007.988 ms

tinymix contents
tinymix set 2 1   # 使能 Headphone Playback Switch 
tinymix set 1 63  # 设置音量
tinyplay youshanlian.wav  # 播放

# tinyplay youshanlian.wav
playing 'youshanlian.wav': 2 ch, 48000 hz, 16 bit
# dmesg   # 播放完成有个间隙  可以看一下内核日志
[    0.000000] Booting Linux on physical CPU 0x0
[    0.000000] Linux version 5.4.92 (imliubo@OopsWowStudio) (gcc version 8.4.0 (Buildroot -gc1d5cdb-dirty)) #18 Fri May 28 13:12:56 CST 2021

...... # 此处省略很多 

[    2.687759] udevd[88]: starting version 3.2.9
[    2.733853] random: udevd: uninitialized urandom read (16 bytes read)
[    2.746679] random: udevd: uninitialized urandom read (16 bytes read)
[    2.753632] random: udevd: uninitialized urandom read (16 bytes read)
[    2.841559] udevd[89]: starting eudev-3.2.9
[    4.480266] inv-mpu6050-i2c 0-0068: mounting matrix not found: using identity...
[    4.487838] inv-mpu6050-i2c 0-0068: 0-0068 supply vddio not found, using dummy regulator
[    4.609631] random: crng init done
[    4.767897] i2c i2c-0: Added multiplexed i2c bus 1
[    6.693604] file system registered
[    6.943506] read descriptors
[    6.946456] read strings
#    #  貌似没打印什么错误，然后就直接复位了   下面是复位从新启动的日志
U-Boot SPL 2020.07 (May 28 2021 - 11:57:17 +0800)
DRAM: 64 MiB
Trying to boot from MMC1
.....

No space left on device.

		/* Isochronous endpoint, select the alternate setting. */
		// bandwidth = stream->ctrl.dwMaxPayloadTransferSize;
		bandwidth = 0x100;

static int lcd_fb_display_px(WORD color, int x, int y)
{
	unsigned char r = ((color >> 11) & 0x1f);
	unsigned char g = ((color >> 5) & 0x3f);
	unsigned char b = ((color >> 0) & 0x1f);
	WORD bgr = (b << 11) | (g << 5) | r;
	*((uint16_t *)(fb_mem + (y * line_width) + (x * px_width))) = bgr;

	return 0;
}