Transplantation of DM8168 dvr rdk nand System

Transplantation of DM8168 dvr rdk nand System

Nand boot preparation:

Method 1: Set the Startup Mode of DM8168 to SD card boot. After U-boot is started, run U-boot to write the applicable bootloader of nandflash to DM8168.

Method 2: This is also the method I have selected. It is simple and crude. Use the CCS project to write uboot_NAND_DM816X_TI_EVM to nandflash on the premise that there is a simulator.

I mentioned before the method of writing: http://blog.csdn.net/wu20093346/article/details/17115893

Nand boot U-boot:

Change the dialing Switch Status: SW [10] = 00100 10010. Open the power supply and press any key to enter the U-boot command status. Settings:

# Setenv serverip 172.20.21.96 (host Ubuntu)

# Setenv ipaddr 172.20.21.97 (DM8168)

Install the tftp service:

# Sudo apt-get install tftpd-hpa

# Gedit/etc/default/tftpd-hpa

Modify TFTP_DIRECTORY = "/home/name/dvrrdk/DVRRDK_04.01.00.02/tftphome"

Download the kernel image:

# Mw. B 0x81000000 0xff 0x300000

# Tftp 0x81000000 uImage_DM816X_TI_EVM

# Nand erase 0x580000 0x440000

# Nand write. I 0x81000000 0x580000 0x300000

Write UBI File System:

# Mw. B 0x81000000 0xff 0x4c00000

# Tftp 0x81000000 ubi_128_DM816X_TI_EVM.img

# Nand erase 0x9c0000 0xc820000

# Nand write 0x81000000 0x9c0000 0x4c00000

Set bootcmd:

# Setenv bootcmd 'nand read 0x81000000 0x00580000 0x300000; bootm 0x8000000'

Set bootargs:

# Setenv bootargs 'console = ttyO2, 115200n8 noinitrd ip = dhcp mem = 256 M rootwait = 1 rw ubi. mtd = 8, 2048 rootfstype = ubifs root = ubi0: rootfs init =/init vram = 20 M notifyk yk. vpssm3_sva = 0xBEE00000 stdin = serial ddr_mem = 1024m'

Save and restart. The uboot boot kernel will eventually mount the UBI File System:

# Saveenv

# Reset

Printenv log: