使用命令“mmc write”从 eMMC 分区 0 第 2 个块(扇区)开始烧写,一共烧写 742(0x2E6)个块。 扩展一下,u-boot可以利用 mmc write更新eMMC中的uboot,可以使用如下命令: mmc dev 1 0 //切换到 EMMC 分区 0 tftp 80800000 u-boot.imx //下载 u-boot.imx 到 DRAM mmc write 80800000 2 32E //烧写 ...
RPMB Capacity: 512 KiB ENH: RPMB(Replay Protected Memory Block)容量,表示 MMC 卡用于安全存储和认证的特定存储容量 Boot area 0 is not write protected: 引导区域 0 未写保护 Boot area 1 is not write protected: 引导区域 1 未写保护 5、mmc part 命令 mmc part命令用于查看当前 MMC 设备的分区信息,...
我有一个可爱的脚本，分区和格式化SD卡的方式，我喜欢。我花了一个半小时的调试，才发现SD卡是写保护...
This post introduces 8 useful ways to remove write protection from SD cards or micro SD cards. With these fixes, you can access data or format write protected SanDisk, Samsung, or Transcend SD cards. Write protection on your SD cardin the first place is a way to protect your files from a...
SD card is write-protected Physically damaged SD card Compatibility issues Malfunctioning card reader or USB port SD card corruption How to fix “SD card won't read” errors? Follow the methods below carefully. Share this post with more people if you find it helpful! 10 Ways to fix 'SD ...
Step 1. Download and install EaseUS Partition Master, go to the Toolkit section, and click "Write Protection".Step 2. Select your write protected USB, USB external disk or SD card, and click "Disable".Alongside removing write protection from SD card, you can also apply this tool to fix ...
Boot area 1 is not write protected: 引导区域 1 未写保护 5、mmc part 命令 mmc part命令用于查看当前 MMC 设备的分区信息,可以看到每个分区的起始扇区、大小和类型,如下所示: => mmc partPartition Map for MMC device 1 -- Partition Type: DOSPart Start Sector Num Sectors UUID Type1 20480 262144 ...
Case 1. SD card is write-protected for physical reasons Here, the switch that protects the SD card from being overwritten is active. To fix it, disable the lock. On each SD card on one side, there is a switch, which needs to be shifted in the opposite direction and then the SD card...
SD Card Is Write-Protected According to the investigation, most current SD cards have a function calledwrite protection. Once the write protection function is activated, the SD card will be put in a read-only state. That is to say, you can read data from the SD card but can’t modify ...
WRITE_BL_LEN 总是等于 READ_BL_LEN 的。 VDD_R_CURR_MIN, VDD_W_CURR_MIN是在最小限度的电压供应下,读取和写入操作所需求的最大电流值。 VDD_R_CURR_MAX, VDD_W_CURR_MAX是在最大电压供应下,读取和写入操作需求的最大电流值。 C_SIZE_MULT(设备大小的乘数) 这个参数用来表示MULT,用于计算设备的容量...