用的Superboot版本日期是2014-11-7的
FriendlyARM.ini 中bootargs参数只添加了 lcd=HD700
在Android4.2系统测试，多次触屏就会出现卡死的现象。
求技术解决
下面是串口打印的错误信息：
[ 65.510000] s3c-i2c s3c2440-i2c.1: timeout waiting for bus idle
[ 78.735000] s3c-i2c s3c2440-i2c.1: cannot get bus (error -110)
[ 82.735000] s3c-i2c s3c2440-i2c.1: cannot get bus (error -110)
[ 82.735000] ft5x0x_i2c_rxdata: i2c read error: -121
[ 82.735000] ft5x0x_read_data: read touch data failed, -121
[ 86.735000] s3c-i2c s3c2440-i)
[ 90.735000] s3c-i2c s3c2440-i2c.1: cannot get bus (error -110)
[ 90.735000] ft5x0x_i2c_rxdata: i2c read error: -121
[ 90.735000] ft5x0x_read_data: read touch data failed, -121
