RK3288 Vyasa ############ Partition Table *************** ================= ====================== ==================== Start KB (blocks) Size KB (Blocks) Usage ================= ====================== ==================== 0 4K Partition Table etc 4K 32KB TPL 32K 100K SPL 8M 1024K - 256K U-Boot 1MB env (redundant) 16MB 1MB (0x800) args 17MB 8MB (0x4000) kernel 30MB partitions rootfs ================= ====================== ==================== Build ***** :: bash> git clone git://git.denx.de/u-boot.git bash> cd u-boot bash> make vyasa-rk3288_defconfig bash> make -j 4 Create SD ********* Create Falcon partition and Insert the SD on host and Built the images from Image Build :: $ cd /path/to/u-boot $./tools/mkimage -n rk3288 -T rksd -d ./tpl/u-boot-tpl.bin out $ cat ./spl/u-boot-spl-dtb.bin >> out $ dd if=out of=/dev/mmcblk0 seek=64 $ dd if=u-boot-dtb.img of=/dev/mmcblk0 seek=16384 $ git clone https://github.com/openedev/rfs-rk3288 $ cd /path/to/rfs-rk3288 $ cp -rf * /path/to/rfs-rk3288 $ mkdir /path/to/rfs-rk3288/boot $ cd /path/to/linux-next $ cp arch/arm/boot/uImage /path/to/rfs-rk3288 $ cp arch/arm/boot/dts/rk3288-vyasa.dtb /path/to/rfs-rk3288 $ sync && sudo umount /media/rfs-rk3288 Configure Falcon **************** Now insert the SD and configure the falcon and restart :: U-Boot TPL 2017.11-rc4-00029-gb142d38-dirty (Nov 10 2017 - 17:04:00) Trying to boot from BOOTROM Returning to boot ROM... U-Boot SPL 2017.11-rc4-00029-gb142d38-dirty (Nov 10 2017 - 17:04:00) Trying to boot from MMC1 Expected Linux image is not found. Trying to start U-boot U-Boot 2017.11-rc4-00029-gb142d38-dirty (Nov 10 2017 - 17:04:00 +0530) Model: Amarula Vyasa-RK3288 DRAM: 2 GiB MMC: dwmmc@ff0c0000: 1 *** Warning - bad CRC, using default environment In: serial@ff690000 Out: serial@ff690000 Err: serial@ff690000 Model: Amarula Vyasa-RK3288 Net: Net Initialization Skipped No ethernet found. Hit any key to stop autoboot: 0 => mmc dev 1 switch to partitions #0, OK mmc1 is current device => ext4load mmc 1:1 $kernel_addr_r /boot/uImage 8143432 bytes read in 378 ms (20.5 MiB/s) => mmc write $kernel_addr_r 0x8800 0x4000 MMC write: dev # 1, block # 34816, count 16384 ... 16384 blocks written: OK => ext4load mmc 1:1 $fdt_addr_r /boot/rk3288-vyasa.dtb 37307 bytes read in 23 ms (1.5 MiB/s) => setenv bootargs 'console=ttyS2,115200n8 root=/dev/mmcblk0p1 rootwait' => spl export fdt $kernel_addr_r - $fdt_addr_r ## Booting kernel from Legacy Image at 02000000 ... Image Name: Linux-4.14.0-rc4-next-20171013-0 Image Type: ARM Linux Kernel Image (uncompressed) Data Size: 8143368 Bytes = 7.8 MiB Load Address: 02000000 Entry Point: 02000000 Verifying Checksum ... OK ## Flattened Device Tree blob at 01f00000 Booting using the fdt blob at 0x1f00000 Loading Kernel Image ... OK Loading Device Tree to 0fff3000, end 0ffff1ba ... OK subcommand not supported subcommand not supported Loading Device Tree to 0ffe3000, end 0fff21ba ... OK Argument image is now in RAM: 0x0ffe3000 => mmc write 0x0ffe3000 0x8000 0x800 MMC write: dev # 1, block # 32768, count 2048 ... 2048 blocks written: OK Falcon mode *********** Reset or Power on board with SD, Ctr+C will boot U-Boot and/or Linux boot normally :: U-Boot TPL 2017.11-rc4-00029-gb142d38-dirty (Nov 10 2017 - 17:11:25) Trying to boot from BOOTROM Returning to boot ROM... U-Boot SPL 2017.11-rc4-00029-gb142d38-dirty (Nov 10 2017 - 17:11:25) Trying to boot from MMC1 [ 0.000000] Booting Linux on physical CPU 0x500 [ 0.000000] Linux version 4.14.0-rc4-next-20171013-00012-gd26a4df (root@jagan-XPS-13-9350) (gcc version 6.3.1 20170109 (Linaro GCC 6.3-2017.02)) #2 SMP Mon Oct 23 01:00:23 7 [ 0.000000] CPU: ARMv7 Processor [410fc0d1] revision 1 (ARMv7), cr=10c5387d [ 0.000000] CPU: div instructions available: patching division code [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] OF: fdt: Machine model: Amarula Vyasa-RK3288