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https://github.com/AsahiLinux/u-boot
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Introduce BSH SystemMaster (SMM) M2 board family, which consists of: imx6ulz SMM M2 and imx6ulz SMM M2 PRO boards. Add support for imx6ulz BSH SMM M2 board: - 128 MiB DDR3 RAM - 256MiB Nand - USBOTG1 peripheral - fastboot. Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com> Reviewed-by: Fabio Estevam <festevam@denx.de> |
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imx6ulz_smm_m2.c | ||
Kconfig | ||
MAINTAINERS | ||
Makefile | ||
README | ||
spl.c |
How to Update U-Boot on imx6ulz_smm_m2 board -------------------------------------------- Required software on the host PC: - UUU: https://github.com/NXPmicro/mfgtools Build U-Boot for m2: $ make mrproper $ make imx6ulz_smm_m2_defconfig $ make This generates the SPL and u-boot-dtb.img binaries. 1. Loading U-Boot via USB Serial Download Protocol Copy SPL and u-boot-dtb.img to the uuu folder. Load the U-Boot via USB: $ sudo uuu -v -b nand_script.lst u-boot-with-spl.imx where nand_script.lst contains the following: uuu_version 1.2.39 # @_flash.bin | bootloader # @_image [_flash.bin] | image burn to nand, default is the same as bootloader # This command will be run when i.MX6/7 i.MX8MM, i.MX8MQ SDP: boot -f _flash.bin # This command will be run when ROM support stream mode # i.MX8QXP, i.MX8QM SDPS: boot -f _flash.bin # These commands will be run when use SPL and will be skipped if no spl # SDPU will be deprecated. please use SDPV instead of SDPU # { SDPU: delay 1000 SDPU: write -f _flash.bin -offset 0x57c00 SDPU: jump # } # These commands will be run when use SPL and will be skipped if no spl # if (SPL support SDPV) # { SDPV: delay 1000 SDPV: write -f _flash.bin -offset 0x11000 SDPV: jump # } FB: ucmd setenv fastboot_buffer ${loadaddr} FB: download -f _image FB: ucmd if test ! -n "$fastboot_bytes"; then setenv fastboot_bytes $filesize; else true; fi # Burn image to nandfit partition if needed FB: ucmd if env exists nandfit_part; then nand erase.part nandfit; nand write ${fastboot_buffer} nandfit ${fastboot_bytes}; else true; fi; FB: ucmd nandbcb init ${fastboot_buffer} nandboot ${fastboot_bytes} FB: Done Then U-Boot starts and its messages appear in the console program. Use the default environment variables: => env default -f -a => saveenv