Warning : All the data on the USB drive will be lost here. Typedto delete the existing partition (repeat this step if you have multiple partitions) Command (m for help): d Selected partition 1 Partition 1 has been deleted. Typento create a new partition ...
µEZ+ Bootloader The µEZ+ Bootloader is perfect for upgrading your firmware in the field through mediums such as an SD card, USB flash drive, or even over a serial interface such as Ethernet or USB. The µEZ+ Bootloader is thoroughly tested and pr
修改arch/arm/dts/stm32mp15xx-fsmp1x.dtsi文件，删除红色部分内容：&usbotg_hs {phys = <&usbphyc_port1 0>;phy-names = "usb2-phy";usb-role-switch;status = "okay";port {usbotg_hs_ep: endpoint {remote-endpoint = <&con_usbotg_hs_ep>;};};};添加固定电源配置修改arch/arm/dts/stm32mp...
嵌入式系统中,Bootloader的意义与作用与PC上的BIOS有点类似,它对开发板上的主要部件如CPU、SDRAM、FLASH、串口等进行了初始化,可以使用Bootloader下载文件到开发板,可以浏览目录,可以烧录flash,可以启动系统等,实际上,一个功能比较强大的Bootloader已经相当于一个微型的操作系统了。 初始化基础硬件——CPU速度、存储器定...
• 设备驱动:串口、SDRAM、FLASH、以太网、LCD、NVRAM、EEPROM、键盘、USB、PCMCIA、PCI、RTC等驱动支持。 • 上电自检功能:SDRAM、FLASH大小自动检测;SDRAM故障检测;CPU型号。 • 特殊功能:XIP内核引导。 1.4 U-Boot的常用命令 U-Boot上电启动后,按任意键可以退出自动启动状态,进入命令行。
(e.g., which boot source to use for loading next-level images). This command-line interface provides lots of commands depending upon compile-time configuration. Major supported commands are flash read/write, networking (mdio, dhcp, tftp, ping, etc.), i2c, sdhc, usb, pcie, sata, and ...
The device supports the flash memory, hard disk, and USB flash drive. Different models support different storage devices. For the storage device type and specifications supported by the device, see "Technical Specifications" in the Hardware Description. In this chapter, the flash is used as a st...
That connection may be a common protocol such as I2C, USB, or UART, or it may be a proprietary protocol. Figure 1 shows that the product's embedded firmware must be able to use the communication port for two purposes: normal operation and updating flash. The portion of the embedded ...
• 设备驱动:串口、SDRAM、FLASH、以太网、LCD、NVRAM、EEPROM、键盘、USB、PCMCIA、PCI、RTC等驱动支持。 • 上电自检功能:SDRAM、FLASH大小自动检测;SDRAM故障检测;CPU型号。 • 特殊功能:XIP内核引导。 1.1.2 U-Boot的常用命令 U-Boot上电启动后,按任意键可以退出自动启动状态,进入命令行。 在命令行提示...
config usb pin success config usb clk ok sunxi ehci1 init ok... USB EHCI 1.00 scanning bus 0 for devices... 3 USB Device(s) found scanning usb for storage devices... 1 Storage Device(s) found sunxi#fatls usb 0:1 / 16024600 sandisksecureaccessv3_win.exe sandisk secureaccess/ lost.dir...