setenv serverip 192.168.1.103
setenv ipaddr 192.168.1.10
setenv bootargs "noinitrd root=/dev/nfs nfsroot=192.168.1.103:/root/Music/rootfs ip=192.168.1.10"
setenv bootargs console=ttyO0,115200n8 root=/dev/nfs nfsroot=192.168.1.103:/root/Music/rootfs,nolock rw ip=dhcp
ip_method=thcp
forling: uboot
make CROSS_COMPILE=arm-arago-linux-gnueabi- distclean
make CROSS_COMPILE=arm-arago-linux-gnueabi- -j4 ok335x_config
forlinx kernel
make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- uImage LOADADDR=0x80008000
uboot :
make CROSS_COMPILE=arm-linux-gnueabihf- distclean
make CROSS_COMPILE=arm-linux-gnueabihf- -j4 am335x_evm_config
make CROSS_COMPILE=arm-linux-gnueabihf- -j4 ok335x_config
uboot 目前状态 ，已经完成编译 ，不出意外，应该可以烧录进去
setenv ipaddr 192.168.1.100
kernel SDK：
make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- distclean
make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- tisdk_am335x-evm_defconfig
make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- am335x-evmsk.dtb
make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- zImage
make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- uImage LOADADDR=0x80008000
状态 内 核中加入了jffs2 选项 ， 参考 《AM335x JFFS2 Support Guide》 ,但是没有加入 Hamming ECC
相关代码。
export QTDIR=/forlinx/qt
export LD_LIBRARY_PATH=$QTDIR/lib:$LD_LIBRARY_PATH
export QT_QWS_FONTDIR=$QTDIR/lib/fonts
export QWS_SIZE=320x240
export QWS_DISPLAY=Linux:dev/fb0
CCS软件，需要导入的脚本 gel文件在CCS安装软件的目录下。
kernel 3.2
make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- am335x_evm_defconfig
mtd0: 00200000 00020000 "SPL"
mtd1: 00200000 00020000 "SPL.backup1"
mtd2: 00200000 00020000 "SPL.backup2"
mtd3: 00200000 00020000 "SPL.backup3"
mtd4: 00200000 00020000 "U-Boot"
mtd5: 00200000 00020000 "U-Boot Env"
mtd6: 00800000 00020000 "Kernel"
mtd7: 0ec00000 00020000 "File System"
rootfs
setenv bootargs ‘mem=32M console=ttyO0,115200 noinitrd mmcroot=/dev/mmcblk0p2 ro mmcrootfstype=yaffs2 init=/linuxrc’
dr}"
root=/dev/mmcblk0p2 rootwait console=ttyO0,115200
uboot 2014
修改： board.c
else if (board_is_evm_15_or_later(&header) || board_is_am335xD(&header) )
return &dpll_ddr_evm_sk;
setenv bootargs concole=ttyO0,115200n8 root=/dev/mmcblk0p2 rw rootfstype=ext3 rootwait
setenv bootargs "console=ttyO0,115200n8 mem=256M root=/dev/mmcblk0p2 rw rootfstype=ext3 rootwait init=/init ip=off"
PHY 0x00: OUI = 0x1374, Model = 0x07, Rev = 0x04, 1000baseX, FDX
elm_decode_bch_error 116
File not found /boot/am335x-icev2.dtb
U-Boot SPL 2011.09 (Jan 31 2018 - 23:04:15)
Texas Instruments Revision detection unimplemented
Booting from NAND...
mkimage signature not found - ih_magic = ffffffff
Assuming u-boot.bin ..
产
du -h --max-depth=1 // 可以查看文件大小
flash_eraseall /dev/mtd0
flash_eraseall /dev/mtd1
flash_eraseall /dev/mtd2
flash_eraseall /dev/mtd3
flash_eraseall /dev/mtd4
flash_eraseall /dev/mtd5
flash_eraseall /dev/mtd6
flash_eraseall /dev/mtd7
flash_eraseall /dev/mtd8
flash_eraseall /dev/mtd9
bootPath=/media/mmcblk0p1/NAND_yy
dd if=${bootPath}/MLO of=/dev/mtdblock0
dd if=${bootPath}/MLO of=/dev/mtdblock1
dd if=${bootPath}/MLO of=/dev/mtdblock2
dd if=${bootPath}/MLO of=/dev/mtdblock3
dd if=${bootPath}/am335x-evmsk.dtb of=/dev/mtdblock4
dd if=${bootPath}/u-boot.img of=/dev/mtdblock5
dd if=${bootPath}/zImage of=/dev/mtdblock8
flash_eraseall /dev/mtd8
dd if=zImage of=/dev/mtdblock8
ubiattach -p /dev/mtd9 -O 2048
ubimkvol /dev/ubi0 -N rootfs -s 220MiB
mkdir -p /mnt/ubifs
mount -t ubifs ubi0_0 /mnt/ubifs
mkdir /mnt/rootfs
cp -a /media/mmcblk0p2/* /mnt/ubifs //此命令需要看实际挂载
sync
720*2 + 1440+ 360 = 1800
220
tftp 0x82000000 ubi.img
tftp 0x82000000 ubi-mini.img
nand erase 1400000 0ec00000
nand write.i 0x82000000 1400000 0ec00000
setenv bootargs "console=ttyO0,115200n8 root=ubi0:rootfs rw ubi.mtd=/,2048 rootfstype=ubifs rootwait=1"
am3358 : 语音终端
setenv bootargs "console=ttyO0,115200n8 root=ubi0:rootfs rw ubi.mtd=NAND.file-system,2048 rootfstype=ubifs rootwait=1"
setenv bootcmd "run nandargs ; nand read ${fdtaddr} NAND.u-boot-spl-os; nand read ${loadaddr} NAND.kernel;bootz ${loadaddr} - ${fdtaddr}"
#define CONFIG_ENV_IS_IN_NAND // 修改环境变量到NAND
自启动脚本：
#!/bin/sh
insmod /usr/src/gpmc_am335x.ko
/etc/profile
echo backlight > /sys/bus/platform/drivers/pwm-backlight/unbind
echo 0 > /sys/class/pwm/pwmchip0/export
echo 1000 > /sys/class/pwm/pwmchip0/pwm0/period
echo 600 > /sys/class/pwm/pwmchip0/pwm0/duty_cycle
echo 1 > /sys/class/pwm/pwmchip0/pwm0/enable
export QTDIR=/forlinx/qt
export LD_LIBRARY_PATH=$QTDIR/lib:$LD_LIBRARY_PATH
export QWS_DISPLAY=Transformed:Rot270:LinuxFb:/dev/fb0
export QWS_SIZE=480x640
mkdir /var/volatile/tmp
ip link set can0 type can bitrate 125000
ifconfig can0 up
ifconfig eth0 192.168.1.10 netmask 255.255.255.0
route add -net 224.0.0.0 netmask 240.0.0.0 dev eth0
/usr/src/voice_terminal -qws &
航管计算机
必须先设置 bootargs 再操作 load
setenv bootargs "console=ttyO0,115200n8 root=/dev/mmcblk0p2 rw rootfstype=ext3 rootwait"
load mmc 0 0x82000000 zImage ;
load mmc 0 0x88000000 am335x-evmsk.dtb ;
bootz 0x82000000 - 0x88000000
nand write 0x
200 wrong
load mmc 0 0x82000000 MLO
nand erase 0x00000000 0x000020000
nand write 0x82000000 0x00000000 0x000020000
stty -F /dev/ttyS1 speed 115200 cs8 -cstopb -parity -icanon min 1 time 1
setenv booargs "console=ttyS0,115200n8 root=/dev/nfs nfsroot=192.168.1.103:/root/Music/am3358_yyzd/rootfs_2018_4_13
ip=192.168.1.10:192.168.1.103:192.168.1.1:255.255.255.0"