U-Boot在多个平台上都支持GPIO,但通常不启用。 我们将简要介绍为了一个新平台而启用此功能的过程。 查看common/目录,很容易发现cmd_gpio.c文件。 它包含处理U-Boot shell中“gpio”命令的代码。 最后几行如下: U_BOOT_CMD(gpio, 3, 0, do_gpio, "input/set/clear/toggle gpio pins", "<input|set|clear...
board_init_r() (also possibly defined in arch/arm/lib/board.c): Runs the initialization as a “normal” program running from RAM. This function never returns. Rather, board_init_r() loops on main_loop() (defined in common/main.c) forever. This is essentially the autoboot or execution ...
Tutorial__Booting_the_VxWorks_Kernel_with_the_U-Boot_Boot_Loader__SR0620.pdf xapp1258 -vxworks7-bsp.bdf
(except that I am compiling everything on an Ubuntu server and writing the SD card directly from the BeagleBone Black in Debian, so I skip the section with the five “part” commands in Yocto–hopefully that’s not a problem), so it’s possible there is an error in the tutorial o...
In most cases, you can make a good guess of which to use, based on the filename, but you can get more detailed information by looking through the per-board README files in the board/ directory, or you can find information in an appropriate web tutorial or forum. Beware, though, the ...
Set a fixed IP address on your PC (in this tutorial we will use192.168.1.2for the PC and192.168.1.1for the router) and connect it to the router, using RJ45 network cable (in most case you will need to use one of the available LAN ports, but WAN port should also work). ...
1.简介 Zynq 7000 uboot的移植分为使用petalinux工具和不通过patelinux编译进行移植。 整个启动有三步: a).BootRom:从地址0x0开始执行代码 b).FSBL/user code 初始化PS(MIO.DDR) 加载FPGA程序 加载裸板程序或…
Please refer to the tutorial below. Upgrade the Uboot version Upgrading uboot is very danerous and may brick your router. Only do this when it is necessary or being instructed. Mark sure you are using the correct uboot file Following figure shows the Web UI of the old Uboot version ...
Content Get and compile the latest uBoot Run uBoot on an empty module Flash uBoot for the very first time into a fresh module Programming eFuses on very
Set a fixed IP address on your PC (in this tutorial we will use192.168.1.2for the PC and192.168.1.1for the router) and connect it to the router, using RJ45 network cable (in most case you will need to use one of the available LAN ports, but WAN port should also work). ...