系统uboot-内核-rootfs更新

1 文件列表

1.1 系统文件：

images_7open_202_256M.tar.bz2

1.2 tftp工具：

Tftpd32.rar

2 更新板卡内容

2.1 配置板卡Uboot环境

SigmaStar # setenv ipaddr 192.168.250.254
SigmaStar # setenv serverip 192.168.250.250
SigmaStar # saveenv
Saving Environment to NAND...
SPINAND: MDrv_SPINAND_GetPartOffset: UBOOT_PBA==0 and no PNI: 0 0 0
SPINAND: MDrv_SPINAND_GetPartOffset: use offset 440000
SPINAND: MDrv_SPINAND_GetPartOffset: UBOOT_PBA==0 and no PNI: 0 0 0
SPINAND: MDrv_SPINAND_GetPartOffset: use offset 480000
Erasing redundant NAND...
Erasing at 0x480000 -- 100% complete.
Writing to redundant NAND... OK
SigmaStar # 

2.2 配置TFTP软件

2.3 更新所有

SigmaStar # estar

2.3 更新特定区域

>>  estar scripts/[[appconfigs.es'
>>  estar scripts/[[cis.es'
>>  estar scripts/[[customer.es'
>>  estar scripts/[[ipl.es'
>>  estar scripts/[[ipl_cust.es'
>>  estar scripts/[[kernel.es'
>>  estar scripts/[[logo.es'
>>  estar scripts/[[miservice.es'
>>  estar scripts/[[rootfs.es'
>>  estar scripts/[[set_partition.es'
>>  estar scripts/[[uboot.es'
>>  estar scripts/set_config

3 验证更新内容

依据第2步更新后，查看版本或者其它信息判断更新是否成功。