四、启动uboot uboot_image=./u-boot-2019.10/u-bootqemu_path=/home/pengdl/work/Qemu/qemu-4.1.0/build/arm-softmmu${qemu_path}/qemu-system-arm \-M vexpress-a9 \-m 1024M \-smp 1 \-nographic \-kernel ${uboot_image} \-sd ./uboot.disk 启动log U-Boot 2019.10-g61a73d0f-dirty (...
2、E20000Q-DEMO SD卡启动BIOS和系统2.1、制作SD启动系统盘 第1步:在交叉编译环境(Ubuntu20.04_X86虚拟机)连接SD卡设备,使用fdisk 对SD卡进行分区,第一个分区起始地址要避开前64MB地址(First sector (2048-62333951,default 2048): 131072),空间0~64MB将用来存放fip-all.bin、kernel和设备树,64MB及之后空间是Linux...
1. I have complie sdcard.img following document below successfully. (environment:ubuntu 18.04 LTS running as virtual machine in my windows pc) 2. the
#ifdef CONFIG_SPL_SD_SUPPORTcaseBOOT_TYPE_SDCARD: printf("Load U-Boot from SD ...\n");spl_mmc_load_image(BOOT_DEVICE_MMC2);---从sd中读取uboot,并解析头到spl_iamge中,将uboot加载到DDR中。break;#endif...default: printf("Invalid boot mode 0x%x ...\n", boot_mode);while(1); }sw...
echo Boot from SDcard;"\"elif mmc dev 0; then "\"setenv devtype mmc; setenv devnum 0;"\"elif rksfc dev 1; then "\"setenv devtype spinor; setenv devnum 1;"\"fi; \0"#define RKIMG_BOOTCOMMAND \"boot_fit;"\"boot_android${devtype}${devnum};"\"bootrkp;"\"run distro_bo...
系统加载过程,SD启动log如下: …….Hit any key to stop autoboot: 0switch to partitions #0, OKmmc1 is current deviceMMC read: dev # 1, block # 8192, count 65536 ... 65536 blocks read: OK## Loading kernel from FIT Image at 90000000 ...Using 'e2k@demo' configurationTrying 'kernel' ke...
In order to make sure everything has write to SD card before unpluged, recommand to run below command: sync Note, when using boot from SD card, need to update the kernel cmdline(which is in extlinux.conf) for the correctrootvalue. ...
制作SD 卡镜像 在鸿蒙系统研究之四:根文件系统这篇文章中,我曾写到,要将根文件系统和system镜像分开,但仔细研究鸿蒙的文件系统后发现不行,因为根文件系统中的很多文件都是指向system的符号链接,特别是 init 这个超级进程。kernel加载之后,首先要执行 init 进程,但此时还没有机会挂载 system 镜像,导致 init 是一个空...
Hi, I had prepare a SD card that can boot the A55 using the source from Yocto project. I had also compile a M33 demo project from the SDK that
MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1 Loading Environment from FAT... *** Warning - bad CRC, using default environment Loading Environment from MMC... Card did not respond to voltage select! *** Warning - No block device, using default environment ...