sd卡挂载 mount /dev/mmcblk0 /nfsroot vfat
usb下载 usbtftp 0x40000000 sample_venc.bin\n;go 0x40000000
Y:\HISI_Kernel\Hi3518Ev300\11\Hi3518EV300_SHC_SDK_V1.0.0.2\mpp\sample\venc
usbtftp 0x42000000 ScopeVue_V20.1.9.bin\n; go 0x40000000
Y:\HISI_Kernel\Hi3518Ev300\Hi3518EV300_SHC_SDK_V1.0.0.2\Upgrade
Y:\HISI_Kernel\Hi3518Ev300\11\Hi3518EV300_SHC_SDK_V1.0.0.2\drv\extdrv\wifi_project\sample\sdio_hi1131sv100
usbtftp 0x42000000 sample_mp4_muxer.bin
GPIO寄存器操作方式:
himd 0x120C0014
himd 0X120B6040
himm 0X120B6040 0x00
himm 0X120B6040 0x01
环境变量:setenv bootcmd ‘sf probe 0;sf read 0x40000000 0x100000 0x900000; go 0x40000000’
setenv bootargs mem=512M console=ttyAMA0,115200 clk_ignore_unused rwroot=/dev/mtdblock2 rootfstype=jffs2 mtdparts=hi_sfc:1M(u-boot.bin),9M(kernel),6M(rootfs.jffs2)
saveenv
uboot文件下载:
编译:make ARCH=arm CROSS_COMPILE=arm-himix100-linux- hi3518ev300_config
make ARCH=arm CROSS_COMPILE=arm-himix100-linux- -j 20
make ARCH=arm CROSS_COMPILE=arm-himix100-linux- u-boot-z.bin
usbtftp 0x42000000 u-boot-hi3518ev300.bin
sf probe 0; sf erase 0x000000 0x100000; sf write 0x42000000 0x0 0x100000;
liteos 文件下载:
usbtftp 0x42000000 sample_venc.bin
sf probe 0; sf erase 0x100000 0x900000; sf write 0x42000000 0x100000 0x900000;
烧写到Flash,起始地址为0x100000,烧写长度为0x700000,即烧写
的镜像文件大小不能超过7M,跟据实际镜像大小调整数值烧录bin文件