1*4882a593Smuzhiyun********************* 2*4882a593SmuzhiyunNXP i.MX8MP EVK board 3*4882a593Smuzhiyun********************* 4*4882a593Smuzhiyun 5*4882a593SmuzhiyunThis file documents the Buildroot support for the i.MX 8M Plus EVK board. 6*4882a593Smuzhiyun 7*4882a593SmuzhiyunBuild 8*4882a593Smuzhiyun===== 9*4882a593Smuzhiyun 10*4882a593SmuzhiyunFirst, configure Buildroot for the i.MX 8M Plus EVK board: 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun make freescale_imx8mpevk_defconfig 13*4882a593Smuzhiyun 14*4882a593SmuzhiyunBuild all components: 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun make 17*4882a593Smuzhiyun 18*4882a593SmuzhiyunYou will find in output/images/ the following files: 19*4882a593Smuzhiyun - bl31.bin 20*4882a593Smuzhiyun - boot.vfat 21*4882a593Smuzhiyun - ddr_fw.bin 22*4882a593Smuzhiyun - Image 23*4882a593Smuzhiyun - imx8-boot-sd.bin 24*4882a593Smuzhiyun - imx8mp-evk.dtb 25*4882a593Smuzhiyun - lpddr4_pmu_train_fw.bin 26*4882a593Smuzhiyun - rootfs.ext2 27*4882a593Smuzhiyun - rootfs.ext4 28*4882a593Smuzhiyun - rootfs.tar 29*4882a593Smuzhiyun - sdcard.img 30*4882a593Smuzhiyun - u-boot.bin 31*4882a593Smuzhiyun - u-boot.itb 32*4882a593Smuzhiyun - u-boot-nodtb.bin 33*4882a593Smuzhiyun - u-boot-spl.bin 34*4882a593Smuzhiyun - u-boot-spl-ddr.bin 35*4882a593Smuzhiyun 36*4882a593SmuzhiyunCreate a bootable SD card 37*4882a593Smuzhiyun========================= 38*4882a593Smuzhiyun 39*4882a593SmuzhiyunTo determine the device associated to the SD card have a look in the 40*4882a593Smuzhiyun/proc/partitions file: 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun cat /proc/partitions 43*4882a593Smuzhiyun 44*4882a593SmuzhiyunBuildroot prepares a bootable "sdcard.img" image in the output/images/ 45*4882a593Smuzhiyundirectory, ready to be dumped on a SD card. Launch the following 46*4882a593Smuzhiyuncommand as root: 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun dd if=output/images/sdcard.img of=/dev/<your-sd-device> 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun*** WARNING! This will destroy all the card content. Use with care! *** 51*4882a593Smuzhiyun 52*4882a593SmuzhiyunFor details about the medium image layout, see the definition in 53*4882a593Smuzhiyunboard/freescale/common/imx/genimage.cfg.template_imx8. 54*4882a593Smuzhiyun 55*4882a593SmuzhiyunBoot the i.MX 8M Plus EVK board 56*4882a593Smuzhiyun=============================== 57*4882a593Smuzhiyun 58*4882a593SmuzhiyunTo boot your newly created system (refer to the i.MX 8M Plus EVK Documentation 59*4882a593Smuzhiyun[1] for guidance): 60*4882a593Smuzhiyun- insert the SD card in the SD slot of the board; 61*4882a593Smuzhiyun- Configure the switches as follows (X = "don't care"): 62*4882a593SmuzhiyunSW4: 0011 SW4[1-4] 63*4882a593Smuzhiyun- put a micro USB cable into the Debug USB Port and connect using a terminal 64*4882a593Smuzhiyun emulator at 115200 bps, 8n1; 65*4882a593Smuzhiyun- power on the board. 66*4882a593Smuzhiyun 67*4882a593SmuzhiyunEnjoy! 68*4882a593Smuzhiyun 69*4882a593SmuzhiyunReferences 70*4882a593Smuzhiyun========== 71*4882a593Smuzhiyun[1] https://www.nxp.com/document/guide/get-started-with-the-i-mx-8m-plus-evk:GS-iMX-8M-Plus-EVK 72