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ipnc(8148)sd卡启动,无法加载文件系统



你好,

现有IPNC的板子,想测试其从SD卡启动。板子已经用跳线连接为sd卡启动模式,sd卡已经用mksd-ti816x.sh分区好(采用命令:./mksd-ti816x.sh /dev/sdb MLO u-boot.bin uImage filesystem.tar.gz)。

以下是u-boot的参数设置:

TI8148_IPNC#printenv

bootdelay=2

baudrate=115200

autoload=yes

verify=yes

bootfile=uImage

ramdisk_file=ramdisk.gz

loadaddr=0x81000000

script_addr=0x80900000

loadbootscript=fatload mmc 0 ${script_addr} boot.scr

bootscript= echo Running bootscript from MMC/SD to set the ENV...; source ${script_addr}

ethaddr=40:5f:c2:60:93:3f

ethact=cpsw

bootargs=console=ttyO0,115200n8 root=/dev/mmcblk0p2 mem=128M rootwait

bootcmd=mmc rescan 0; fatload mmc 0 0x81000000 uImage; bootm 0x81000000

stdin=serial

stdout=serial

stderr=serial

ver=U-Boot 2010.06 (Sep 05 2012 - 09:43:10) DM812x_IPNC_2.80.00

附件里是sd卡启动时的串口打印信息。

此问题已经困扰我多日,希望专家及各位朋友给些建议,谢谢!