On Thu, Aug 10, 2017 at 1:10 PM, Vikas Manocha <[email protected]> wrote: > One other point, > > On 08/10/2017 11:07 AM, Vikas Manocha wrote: >> Hi Robert, >> >> On 08/10/2017 11:03 AM, Robert Nelson wrote: >>> Hi Vikas, >>> >>> On Sun, May 28, 2017 at 2:55 PM, Vikas Manocha <[email protected]> wrote: >>>> This commit supports booting from stm32 internal nor flash. spl U-Boot >>>> initializes the sdram memory, copies next image (e.g. standard U-Boot) >>>> to sdram & then jumps to entry point. >>>> >>>> Here are the flash memory addresses for U-Boot-spl & standard U-Boot: >>>> - spl U-Boot : 0x0800_0000 >>>> - standard U-Boot : 0x0800_8000 >>> >>> Is there another patchset missing on mainline for booting via spl? >> >> No, you just need to flash spl & next image at above mentioned addresses. By >> default spl expects kernel image. >> >> To boot u-boot, press keyboard character 'c'. >> you might need to keep on pressing 'c' it for some time as the keyboard >> entry acceptance & detection window is very small. >> >> Cheers, >> Vikas >> >>> >>> on mainline with the stm32f746-disco board: >>> >>> U-Boot SPL 2017.09-rc1-00177-gd529124fdc (Aug 10 2017 - 12:33:35) >>> Trying to boot from XIP >>> Hard fault >>> pc : 08008008 lr : 08000adb xPSR : 21000000 >>> r12 : 2004f338 r3 : 00000005 r2 : 081c0000 >>> r1 : ffffff9a r0 : 00000000 >>> Resetting CPU ... >>> >>> resetting ... >>> >>> I'm using openocd to program >>> >>> openocd -f board/stm32f7discovery.cfg \ >>> -c "init" \ >>> -c "reset init" \ >>> -c "flash probe 0" \ >>> -c "flash write_image erase ./spl/u-boot-spl.bin 0x08000000" \ >>> -c "flash write_image erase ./u-boot.img 0x08008000" \ > > it should be u-boot-dtb.bin.
Bingo! Thanks Vikas!! U-Boot SPL 2017.09-rc1-00177-gd529124fdc (Aug 10 2017 - 12:33:35) Trying to boot from XIP U-Boot 2017.09-rc1-00177-gd529124fdc (Aug 10 2017 - 12:33:35 -0500) Model: STMicroelectronics STM32F746-DISCO board DRAM: 8 MiB Flash: 1 MiB Using default environment In: serial@40011000 Out: serial@40011000 Err: serial@40011000 usr button is at LOW LEVEL Net: Warning: ethernet@40028000 (eth0) using random MAC address - 02:4a:de:c3:c8:80 eth0: ethernet@40028000 Hit SPACE in 3 seconds to stop autoboot. U-Boot > Regards, -- Robert Nelson https://rcn-ee.com/ _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
