记录一次 DongshanPI-PicoW 探索例程

资料吗，比较全的：  https://dongshanpi.com/DongshanPi-PicoW/01-BoardIntroduction/

                                https://dongshanpi.com/DongshanPi-PicoW/03-1_FlashSystem/

配套原理图：  https://forums.100ask.net/uploads/short-url/jM5L1WocV3O5xZRiRpLYRlEBVNg.pdf

默认系统镜像： https://dongshanpi.cowtransfer.com/s/639100d687674c

如果USB升级完成后不能正常启动，停在 SigmaStar #

就把这些环境设置指令一次性拷贝并粘贴到超级终端，回车，发送给目标主板。  原封不动，切记

setenv mtdids nand0=nand0

setenv mtdparts ' mtdparts=nand0:0x140000(CIS),0x1a0000(BOOT0),0x1a0000(BOOT1),0x40000(ENV),0x40000(ENV1),0x20000(KEY_CUST),0x500000(KERNEL),0x500000(RECOVERY),0x600000(rootfs),0xa0000(MISC),-(UBI)

setenv bootargs ubi.mtd=UBI,0x800 root=/dev/mtdblock8 rootfstype=squashfs ro init=/linuxrc LX_MEM=0x3FE0000 mma_heap=mma_heap_name0,miu=0,sz=0x1E00000 cma=2M highres=off mmap_reserved=fb,miu=0,sz=0x300000,max_start_off=0x3C00000,max_end_off=0x3F00000 ${mtdparts}

setenv bootcmd ' nand read.e 0x22000000 KERNEL ${kernel_file_size}; dcache on ; bootlogo 0 0 0 0; bootm 0x22000000;nand read.e 0x22000000 RECOVERY ${recovery_file_size}; dcache on ; bootm 0x22000000

setenv autoestart 0

setenv sstar_bbm off

setenv ipl_version "##p3##gdf99011IPL_##########setenv ipl_version "DUALENV=1 SILENT_CONSOLE=1 CFG_SDMMC_DISABLE=n ALK=1 SPINAND=1 CHIP=pioneer3""

saveenv