rk3288 android7通过SD卡烧录失败

通过 SD Card Formatter 工具把 update.img 镜像烧写到 SD 卡中。 把卡插入 rk3288 主板中，通过 SD 烧写。 一直打印如下错误： Supported API: 3 bSDBoot = 1, sdboot_update_package=1 tid in led pthread: -1418852064. SDBoot optarg=(null) start sd upgrade... librkupdate_Start to upgrade firmware... librkupdate_INFO:CRKUsbComm-->is nand. librkupdate_ERROR:CRKUsbComm-->open /dev/rknand_sys_storage failed,err=948233 librkupdate_ERROR:CRKUsbComm-->try to read from /dev/rknand_sys_storage. librkupdate_ERROR:CRKUsbComm-->open /dev/rknand_sys_storage failed,err=948233 librkupdate_ERROR:do_rk_firmware_upgrade-->IsDeviceLock failed! librkupdate_Fail to upgrade firmware! SD upgrade failed! I:Saving locale "en_US" E:failed to mount /cache (Block device required) E:Can't mount /cache/recovery/last_locale [ 24.808664] rockchip-vop ff930000.vop: wait win close timeout [ 24.808690] rockchip-vop ff930000.vop: [drm:vop_crtc_enable] Update mode to 1280*800, close all win [ 24.835422] init: Service 'recovery' (pid 190) killed by signal 11 [ 24.835448] init: Service 'recovery' (pid 190) killing any children in process group [ 27.839088] init: Starting service 'recovery'... __bionic_open_tzdata: couldn't find any tzdata when looking for GMT! Starting recovery (pid 194) on Thu Jan 1 00:00:27 1970 bootmode = unknown recovery filesystem table