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KoGu

这个解决了吗？是不是要改驱动呢？

KoGu

串口信息如下：

# cat /sys/devices/platform/soc@3000000/2500000.uart/ctrl_info
 ier  : 0x00
 lcr  : 0x00
 mcr  : 0x00
 fcr  : 0x00
 dll  : 0x4e
 dlh  : 0x00
 last baud : 19230 (dl = 78)

TxRx Statistics:
 tx     : 4443
 rx     : 3874
 parity : 87
 frame  : 52
 overrun: 0
 throttled: 0
# cat /sys/devices/platform/soc@3000000/2500000.uart/dev_info
id     = 0
name   = uart0
irq    = 33
io_num = 2
port->mapbase = 0x02500000
port->membase = 0x2067c9f1
port->iobase  = 0x00000000
port->fifosize = 64
pdata->regulator    = 0x1d5654ac
pdata->regulator_id = vcc-rs485
#
#
# cat /sys/devices/platform/soc@3000000/2500000.uart/ctrl_info
 ier  : 0x05
 lcr  : 0x1b
 mcr  : 0x03
 fcr  : 0xb1
 dll  : 0x08
 dlh  : 0x00
 last baud : 187500 (dl = 8)

TxRx Statistics:
 tx     : 20313
 rx     : 15366
 parity : 225
 frame  : 123
 overrun: 0
 throttled: 0
#

KoGu

如题，这个波特率是在哪里作出了限制吗？应该怎么修改？

KoGu

使用T113-s3进行开发，设备上没有phy芯片，要连接网络需要使用usb转网口的外接设备，在没有接入usb转网口的外设时，应用使用socket接口，即便系统返回错误也继续重复连接，系统运行了几天以后内核就会因为内存不足出现oom-killer把该应用kill掉，如果插上外设但没插入网线并不会出现这种情况。对于上述问题应该怎么处理呢？

KoGu

四级萌新也想成为大佬

KoGu

@ysc3650145 可以贴10-tf.rules和两个脚本的代码出来看看吗？

KoGu

@ysc3650145 检查一下脚本权限

KoGu

@ysc3650145 我选的是buildroot构建的文件系统，我修改这个路径下的文件才会生效 device/config/chips/t113_s4/configs/evb1_auto_nand/buildroot/sys_partition.fex，而修改这个路径下的文件是不生效的device/config/chips/t113_s4/configs/evb1_auto_nand/linux-5.4/sys_partition.fex，你看看是不是这个原因。

KoGu

@ysc3650145 udisk是剩余内存大小自动全部分配的，你可以修改sys_partition.fex，把rootfs的改大，这样分配给udisk就变小了。

KoGu

@shuaige 想问一下这些参数如何在设备树里面修改?我想直接烧录以后就不需要改动参数了。

KoGu

我发现是有个开机脚本给切换了...

#!/bin/sh
#
# Start the adbd....
#

# config adb serialnumber for adb devices
adb_serialnumber=/etc/.adb_sn

disable_udc="/etc/.disable_udc"
udc_config=/sys/kernel/config/usb_gadget/g1/UDC

otg_role_file="/sys/devices/platform/soc/usbc0/otg_role"
usb_device_file="/sys/devices/platform/soc/usbc0/usb_device"
hardware_type=`cat /proc/cmdline | tr ' ' '\n' | grep 'hardware' | awk -F "=" '{print $2}'`

function enable_udc(){
	while [ 1 ];do
		udc=`ls /sys/class/udc 2>/dev/null`
		isudc=`cat $udc_config 2>/dev/null`
		if [ "x$isudc" = "x" ] && [ -f $udc_config ]; then
			echo $udc > $udc_config
		fi
		sleep 1
		if [ -f $disable_udc ];then
			rm $disable_udc
			break
		fi
	done
}

function start_adb(){
	serialnumber=$1
	if [ "x$serialnumber" = "x" ];then
		serialnumber="0402101560"
	fi
	printf "Starting adb: "
	# for adbd compatibilities
	mkdir -p /system/
	mkdir -p /system/bin
	if [ ! -f /system/bin/sh ];then
		ln -s /bin/sh /system/bin/sh
	fi

	# config ptmx
	mkdir -p /dev/pts
	mount -t devpts none /dev/pts

	# config adb function
	mount -t configfs none /sys/kernel/config > /dev/null 2>&1
	mkdir -p /sys/kernel/config/usb_gadget/g1
	echo "0x18d1" > /sys/kernel/config/usb_gadget/g1/idVendor
	echo "0x0002" > /sys/kernel/config/usb_gadget/g1/idProduct
	mkdir -p /sys/kernel/config/usb_gadget/g1/strings/0x409
	echo "$serialnumber" > /sys/kernel/config/usb_gadget/g1/strings/0x409/serialnumber
	echo "Google.Inc" > /sys/kernel/config/usb_gadget/g1/strings/0x409/manufacturer
	echo "Configfs ffs gadget" > /sys/kernel/config/usb_gadget/g1/strings/0x409/product
	mkdir -p /sys/kernel/config/usb_gadget/g1/functions/ffs.adb
	mkdir -p /sys/kernel/config/usb_gadget/g1/configs/c.1
	mkdir -p /sys/kernel/config/usb_gadget/g1/configs/c.1/strings/0x409
	echo 0xc0 > /sys/kernel/config/usb_gadget/g1/configs/c.1/bmAttributes
	echo 500 > /sys/kernel/config/usb_gadget/g1/configs/c.1/MaxPower
	ln -s /sys/kernel/config/usb_gadget/g1/functions/ffs.adb/ /sys/kernel/config/usb_gadget/g1/configs/c.1/ffs.adb > /dev/null 2>&1
	mkdir -p /dev/usb-ffs
	mkdir -p /dev/usb-ffs/adb
	if [ "x`ls -A /dev/usb-ffs/adb`" = "x" ];then
		mount -o uid=2000,gid=2000 -t functionfs adb /dev/usb-ffs/adb/
	fi

	# start adbd daemon
	adbd &
	[ $? -eq 0 ] && echo "OK" || "FAIL"

	# enable_udc &
}

case "$1" in
	start|"")
		if [ "x$hardware_type" = "xsun8iw11p1" ];then
			otg_role_file="/sys/devices/platform/soc@1c00000/soc@1c00000:usbc0@0/otg_role"
		elif [ "x$hardware_type" = "xsun8iw20p1" ];then
			otg_role_file="/sys/devices/platform/soc@3000000/soc@3000000:usbc0@0/otg_role"
		fi
		[ -f "$otg_role_file" ] && otg_role=`cat "$otg_role_file"`
		echo "usb0 current mode: $otg_role"
		if [ -f "$otg_role_file" ] && [ "x$otg_role" != "xusb_device" ];then
			# force switch usb0 to device mode
			echo "Starting switch usb0 to device mode."
			if [ "x$hardware_type" = "xsun8iw11p1" ];then
				usb_device_file="/sys/devices/platform/soc@1c00000/soc@1c00000:usbc0@0/usb_device"
			elif [ "x$hardware_type" = "xsun8iw20p1" ];then
				usb_device_file="/sys/devices/platform/soc@3000000/soc@3000000:usbc0@0/usb_device"
			fi
			[ -f "$usb_device_file" ] && cat $usb_device_file
		fi
		[ -f $adb_serialnumber ] && serialnumber=`cat $adb_serialnumber`
		if [ "x$serialnumber" = "x" ];then
			serialnumber=`cat /proc/cmdline | tr ' ' '\n' | grep 'snum' | awk -F "=" '{print $2}'`
		fi
		start_adb $serialnumber
		;;
	stop)
		printf "Stopping adbd "
		# touch $disable_udc
		# sleep 2
		killall adbd &
		[ $? -eq 0 ] && echo "OK" || "FAIL"
		;;
	restart|reload)
		"$0" stop
		"$0" start
		;;
	*)
		echo "Usage: $0 {start|stop|restart}"
		exit 1
		;;
esac

KoGu

启动设备后插入u盘没有任何反应和打印信息，需要我用下面的命令重启驱动才有反应这是为什么呢？

# echo 0 > /sys/devices/platform/soc@3000000/4101000.ehci0-controller/ehci_enable
# echo 1 > /sys/devices/platform/soc@3000000/4101000.ehci0-controller/ehci_enable

配置如下

reg_usb0_vbus: usb0-vbus {
		compatible = "regulator-fixed";
		regulator-name = "usb0-vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-enable-ramp-delay = <1000>;
		gpio = <&pio PG 6 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};
&usbc0 {
	device_type = "usbc0";
	usb_port_type = <0x1>;
	enable-active-high;
	status = "okay";
};

&ehci0 {
	drvvbus-supply = <&reg_usb0_vbus>;
};

&ohci0 {
	drvvbus-supply = <&reg_usb0_vbus>;
};

KoGu

请教大佬们，调试日志如下，我在uboot-board.dts里面把关于lcd的配置都配成和kernel一样的，进去kernel是可以亮背光且显示的，但是uboot却不可以；另外uboot中的这几个报错是什么意思呢？


U-Boot 2018.07-g33aa4d4 (Jun 12 2024 - 08:03:52 +0000) Allwinner Technology

[00.339]CPU:   Allwinner Family
[00.342]Model: sun8iw20
I2C:   FDT ERROR:fdt_set_all_pin:[twi0]-->FDT_ERR_BADPATH
ready
[00.355]DRAM:  256 MiB
[00.358]Relocation Offset is: 0ceb8000
[00.386]secure enable bit: 0
E/TC:0   fdt_getprop_u32:336 prop trace_level not found
Error, wrong i2c adapter 931 max 1 possible
[00.404]pmu_axp1530_probe pmic_bus_init fail
[00.408]CPU=1008 MHz,PLL6=600 Mhz,AHB=200 Mhz, APB1=100Mhz  MBus=300Mhz
[00.414]gic: sec monitor mode
[00.417]line:703 init_clocks
[00.420]flash init start
[00.422]workmode = 0,storage type = 0
[00.429]sunxi-spinand-phy: spinand sample_mode:1 sample_delay:1c

device nand0 <nand>, # parts = 4
 #: name                size            offset          mask_flags
 0: boot0               0x00100000      0x00000000      1
 1: uboot               0x00300000      0x00100000      1
 2: secure_storage      0x00100000      0x00400000      1
 3: sys                 0x0fb00000      0x00500000      0

active partition: nand0,0 - (boot0) 0x00100000 @ 0x00000000

defaults:
mtdids  : nand0=nand
mtdparts: mtdparts=nand:1024k@0(boot0)ro,3072k@1048576(uboot)ro,1024k@4194304(secure_storage)ro,-(sys)
[00.602]ubi0: attaching mtd4
[01.049]ubi0: scanning is finished
[01.059]ubi0: attached mtd4 (name "sys", size 251 MiB)
[01.063]ubi0: PEB size: 262144 bytes (256 KiB), LEB size: 258048 bytes
[01.070]ubi0: min./max. I/O unit sizes: 4096/4096, sub-page size 2048
[01.076]ubi0: VID header offset: 2048 (aligned 2048), data offset: 4096
[01.082]ubi0: good PEBs: 1004, bad PEBs: 0, corrupted PEBs: 0
[01.088]ubi0: user volume: 9, internal volumes: 1, max. volumes count: 128
[01.094]ubi0: max/mean erase counter: 2/1, WL threshold: 4096, image sequence number: 0
[01.102]ubi0: available PEBs: 0, total reserved PEBs: 1004, PEBs reserved for bad PEB handling: 40
[01.111]sunxi flash init ok
[01.113]drv_disp_init
partno erro : can't find partition bootloader
** Unable to read file lcd_compatible_index.txt **
[01.371]disp_fat_load for lcd config failed
[01.396]drv_disp_init finish
[01.595]Loading Environment from SUNXI_FLASH... OK
[01.632]boot_gui_init:start
partno erro : can't find partition Reserve0
bad fb1_cfg[w=0,h=0,bpp=32,format=0]
[01.668]boot_gui_init:finish
partno erro : can't find partition bootloader
[01.697]bmp_name=bootlogo.bmp size 768138
[01.763]Item0 (Map) magic is bad
secure storage read widevine fail
secure storage read ec_key fail
secure storage read ec_cert1 fail
secure storage read ec_cert2 fail
secure storage read ec_cert3 fail
secure storage read rsa_key fail
secure storage read rsa_cert1 fail
secure storage read rsa_cert2 fail
secure storage read rsa_cert3 fail
[01.793]usb burn from boot
delay time 0
weak:otg_phy_config
[01.804]usb prepare ok
[01.846]LCD open finish
[02.107]overtime
[02.110]do_burn_from_boot usb : no usb exist
List file under ULI/factory
** Unrecognized filesystem type **
[02.142]update bootcmd
[02.173]change working_fdt 0x4c877e68 to 0x4c857e68
partno erro : can't find partition bootloader
** Unable to read file lcd_compatible_index.txt **
[02.230]disp_fat_load for lcd config failed
partno erro : can't find partition bootloader
writing lcd_compatible_index.txt
[02.266]offset should be 0 but 0x5391 when write to new volume boot-resource
Error: writing contents

** Unable to write "lcd_compatible_index.txt" from sunxi_flash 0:1 **
[02.281]do_fat_fswrite for lcd config failed
partno erro : can't find partition bootloader
** Unable to read file lcd_compatible_index.txt **
[02.315]disp_fat_load for lcd config failed
[02.321]update dts
Info: gmac phy mode = rmii, phy_interface = 6
Error: gmac get phy-clk-type failed
[02.330]Board Net Initialization Failed
[02.333]No ethernet found.
Hit any key to stop autoboot:  0

KoGu

补充一下，在内核启动过程中报的信息，不是太明白

还有cpuinfo也没看到频率信息

KoGu

芯片：T113-S3
内核：主线代码linux6.1
问题：我想在文件系统中调频，但是根据网上步骤操作，在目录中却没有调频的文件。如图企业微信截图_17212725979327.png 企业微信截图_17212726306869.png

希望各路大神知道的教一下，谢谢。

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