Hello,
I'm using a custom board, based on the START-R board, and I can succesfully start u-boot and kernel 2.6.35 on it. I load uImage, u-boot and initramfs on an sd-card, I send the boot command and then I see the output from the kernel, until it arrives at the message "feed watchdog", which is written periodically on the output. I would expect a serial console, like the one given by the quick start board...
Please, could anybody help me to find out what I could have missed?
已解决! 转到解答。
I assumed that you are using ltib. So you can input the following command line:
./ltib -m selectype
Select as the followings:
│ │ --- Choose the platform type │ │
│ │ Selection (imx5x) ---> │ │
│ │ --- Choose the packages profile │ │
│ │ Selection (FSL gnome release package) --->
If you just want to try a minimum rootfs, you can select “Minimum bootable root filesystem”.
Then “Save” it. You can see another prompt menu. Select as the followings:
│--- Target System Configuration │ │
│ │ Options --->
You can see the followings:
│(freescale) target hostname │ │
│ │[*] boot up with a tty and login │ │
│ │(::respawn:/sbin/getty -L ttymxc0 115200 vt100)
Do you mean the console environment variable in u-boot? I've set it at console=ttymxc1, i.e. UART2, and I'm sure it works, because other messages from the kernel are correctly sent to this serial interface (e.g. the "feed watchdog" one).
Thank you for your answer, after compiling and depoloying I load these files onto sd-card for booting:
ltib/rootfs/boot/u-boot.bin
ltib/rootfs/boot/uImage
ltib/initramfs.cpio.gz.uboot.
If the latter is not the right initramfs where should I find the right one?
I assumed that you are using ltib. So you can input the following command line:
./ltib -m selectype
Select as the followings:
│ │ --- Choose the platform type │ │
│ │ Selection (imx5x) ---> │ │
│ │ --- Choose the packages profile │ │
│ │ Selection (FSL gnome release package) --->
If you just want to try a minimum rootfs, you can select “Minimum bootable root filesystem”.
Then “Save” it. You can see another prompt menu. Select as the followings:
│--- Target System Configuration │ │
│ │ Options --->
You can see the followings:
│(freescale) target hostname │ │
│ │[*] boot up with a tty and login │ │
│ │(::respawn:/sbin/getty -L ttymxc0 115200 vt100)