On 1/18/20 10:53 AM, Jaehoon Chung wrote: > Hi > > On 1/18/20 9:22 AM, Alexander von Gluck IV wrote: >> Has anyone successfully used u-boot on the Raspberry Pi 4 in 32-bit mode? > > I'm using 32-bit u-boot on RPI4 board with Tizen Platform. > You can refer to tizen u-boot git. Also I modified some configurations. > > https://protect2.fireeye.com/url?k=d4848ff3-8957d64d-d48504bc-0cc47a31ba82-40c2c54dba31c6f3&u=https://git.tizen.org/cgit/platform/kernel/u-boot/log/?h=tizen
Oops. https://git.tizen.org/cgit/platform/kernel/u-boot/log/?h=tizen > > So you may modify some configs about your environment. > > >> >> Building via the following: >> >> make rpi_4_32b_defconfig >> ARCH=arm CROSS_COMPILE=arm-none-eabi- make >> >> Booting via: >> >> * u-boot.bin on Fat32 partition >> * start.elf from >> * config.txt on Fat32 partition >> kernel=u-boot.bin >> enable_uart=1 >> arm_64bit=0 >> > > Our config.txt is below, > > enable_uart=1 > uart_2ndstage=1 > > I didn't add "arm_64bit" config. > > Best Regards, > Jaehoon Chung > >> Just a black screen, however, no serial uart output >> >> Thanks! >> >> -- Alex >> >> > > >
