{var%20f='http://v.t.sina.com.cn/share/share.php?appkey=1515056452',u=z||d.location,p=['&url=',e(u),'&title=',e(t||d.title),'&source=',e(r),'&sourceUrl=',e(l),'&content=',c||'gb2312','&pic=',e(p||'')].join('');function%20a(){if(!window.open([f,p].join(''),'mb',['toolbar=0,status=0,resizable=1,width=440,height=430,left=',(s.width-440)/2,',top=',(s.height-430)/2].join('')))u.href=[f,p].join('');};if(/Firefox/.test(navigator.userAgent))setTimeout(a,0);else%20a();})(screen,document,encodeURIComponent,'','','https://www.xiaopingtou.cn//data/attach/topic/topicKPo7gB.jpg', '推荐 wxs85569462 的文章《1.1.6 uboot打补丁，修改分区大小》','https://www.xiaopingtou.net/article-65650.html','页面编码gb2312|utf-8默认gb2312'));){kind=link}
解压缩U-boot 打补丁
修改./include/configs/100ask24x0.h
make 100ask24x0_config
编译
make
生成u-boot.bin烧入开发板 使用nfs命令烧写
修改./include/configs/100ask24x0.h
#define MTDPARTS_DEFAULT "mtdparts=nandflash0:256k@0(bootloader),"
"128k(params),"
"4m(kernel)," 2m---->4m
"-(root)"
配置 make 100ask24x0_config
编译
make
生成u-boot.bin烧入开发板 使用nfs命令烧写
nfs 30000000 192.168.1.3:/work/nfs_root/u-boot.bin
nand erase bootloader
nand write 30000000 bootloader