zynq在u-boot中导入导出nand文件

参考zynq在u-boot中导入导出Flash文件.csdnzynq在u-boot中导入导出nand文件.csdnPetaLinux 使用技巧与缓存配置PetaLinux的JTAG启动.csdnxilinx官网–PetaLinux 工具文档参考指南 (ug1144)xilinx官网–设备树配置文档内核官网–设备树文档VSCode作为zynq相关编辑器的配置ZYNQ无SD卡情况下的SPIEMMC启动正常情况下只用到flash前面1MB这里只写flash的前面1MB从板子中提取flash.bin到tftp服务器# tftp服务器配置zynq-ubootsetenv ipaddr192.168.1.104 setenv serverip192.168.1.107 setenv gatewayip192.168.1.1 setenv netmask255.255.255.0 zynq-ubootnand info Device0: nand0, sector size128KiB Page size2048b OOB size64b Erase size131072b# 将整片 NAND Flash 读取到内存中# 语法: nand read ram_addr offset size# 注意: 这里假设 NAND 总大小为 32MB (0x2000000)请根据实际硬件调整zynq-ubootnandread0x100000000x2000000 NAND read: device0offset 0x0, size 0x200000033554432bytes read: OK# 将内存中的数据通过 TFTP 上传到服务器命名为 nand_flash.binzynq-uboottftpput 0x1000000 0x2000000 nand_flash.bin Gem.e000b000:1 is connected to Gem.e000b000. Reconnecting to Gem.e000b000 Gem.e000b000 WaitingforPHY auto negotiation to complete....doneUsing Gem.e000b000 device TFTP to server192.168.1.107;our IP address is192.168.1.104 Filenamenand_flash.bin.Save address: 0x1000000 Save size: 0x2000000 Saving:##########3.5 MiB/sdoneBytes transferred33554432(2000000hex)从tftp服务器的flash.bin下载到板子中这种情况应该用jtag启动wpfminglie:~/petalinux/z8$ petalinux-boot--jtag--prebuilt3# tftp服务器配置zynq-ubootsetenv ipaddr192.168.1.104 setenv serverip192.168.1.107 setenv gatewayip192.168.1.1 setenv netmask255.255.255.0# 从 TFTP 服务器下载 nand_flash.bin 到内存zynq-uboottftpboot 0x1000000 nand_flash.bin Gem.e000b000:1 is connected to Gem.e000b000. Reconnecting to Gem.e000b000 Gem.e000b000 WaitingforPHY auto negotiation to complete....doneUsing Gem.e000b000 device TFTP from server192.168.1.107;our IP address is192.168.1.104 Filenamenand_flash.bin.Load address: 0x1000000 Loading:####3.6 MiB/sdoneBytes transferred33554432(2000000hex)# 擦除 NAND Flash 目标区域 假设你要写入前面的 32MB0x2000000)zynq-ubootnand erase 0x0 0x2000000 NAND erase: device0offset 0x0, size 0x2000000 Erasing at 0x1fe0000 --100% complete. OK# 将内存数据写入 NAND Flash# 将内存中 0x1000000 起始、大小为 0x2000000 的数据写入 NAND Flash 的 0x0 偏移地址zynq-ubootnandwrite0x1000000 0x0 0x2000000 NAND write: device0offset 0x0, size 0x200000033554432bytes written: OK zynq-uboot