REL 1.0
Page 53 of 59
iWave Systems Technologies Pvt. Ltd.
iW-RainboW-G15M Android User Manual
6.
BOOT ARGUMENTS
By default auto environment variable option is enabled in u-boot, the respective environment variables will be saved
in respective the boot devices, like, SPI NOR Flash, SATA or SD/MMC.
6.1
Micro SD boot
To load the kernel and android file systems from the Micro SD, the environment variables should be set as
shown below
iWave-G15>
setenv bootargs console=ttymxc1,115200 init=/init video=mxcfb0:dev=ldb,bpp=24
video=mxcfb1:dev=hdmi,1920x1080M@60,if=RGB24,bpp=24 vmalloc=400M
androidboot.console=ttymxc1 consoleblank=0 androidboot.hardware=freescale
androidboot.storage_type=msd cma=198M androidboot.selinux=permissive
androidboot.dm_verity=disabled
iWave-G15>
setenv bootcmd boota mmc1
iWave-G15>
saveenv
To boot the platform, execute the below command
iWave-G15> boot
6.2
Standard SD boot
To load the kernel and android file systems from the Micro SD, the environment variables should be set as
shown below
iWave-G15>
setenv bootargs console=ttymxc1,115200 init=/init video=mxcfb0:dev=ldb,bpp=24
video=mxcfb1:dev=hdmi,1920x1080M@60,if=RGB24,bpp=24 vmalloc=400M
androidboot.console=ttymxc1 consoleblank=0 androidboot.hardware=freescale
androidboot.storage_type=ssd cma=198M androidboot.selinux=permissive
androidboot.dm_verity=disabled
iWave-G15>
setenv bootcmd boota mmc0
iWave-G15>
saveenv
To boot the platform, execute the below command
iWave-G15> boot
6.3
EMMC boot
To load the kernel and file systems from the EMMC, the environment variables should be set as shown
below
iWave-G15>
setenv bootargs console=ttymxc1,115200 init=/init video=mxcfb0:dev=ldb,bpp=24
video=mxcfb1:dev=hdmi,1920x1080M@60,if=RGB24,bpp=24 vmalloc=400M
androidboot.console=ttymxc1 consoleblank=0 androidboot.hardware=freescale
