====== U-Boot ====== reachable via [[debug-uart]] *** U-Boot Boot Menu *** 1. System Load Linux to SDRAM via TFTP. 2. System Load Linux Kernel then write to Flash via TFTP. 3. Boot Linux from SD. 4. System Load Boot Loader then write to Flash via TFTP. 5. System Load Linux Kernel then write to Flash via Serial. 6. System Load Boot Loader then write to Flash via Serial. 7. Boot system code via Flash. U-Boot console <<<<<<<< Press UP/DOWN to move, ENTER to select [[https://github.com/lexa2/u-boot/commit/9167ee7db6f2a640bd40d2feb495a6aaf0b61fb6|Distroboot support]] ===== update Uboot ===== The emmc-command is integrated in uboot since September 29th 2017 (version: "U-Boot 2014.04-rc1 (Oct 16 2017 - 19:33:23)") if you want to create new SD-Card (Image) you have to write partitiontable and some additional headers, see [[storage#sd-card|here]] for more compile U-Boot from [[https://github.com/BPI-SINOVOIP/BPI-R2-bsp|official GitHub]] [[https://github.com/frank-w/bpi-r2-uboot|my GitHub]] official way to install is described on Github using "bpi-update -c bpi-r2.conf" sudo dd if=/dev/sdx of=bpi-r2-first10M.img bs=1M count=10 #Backup of first 10MB sudo dd if=BPI-R2-720P-2k.img of=/dev/sdx bs=1k seek=2 count=1022 #unzipped img! sudo dd of=/dev/sdx if=bpi-r2-first10M.img bs=1M count=10 #restore first 10MB (on problems) actual compiled uboot can be found on my [[https://drive.google.com/drive/folders/15Y5Y3NAOwg_IMmN3k6hdb7pAQj9oTVTl|gDrive]] alternative: flash only uboot (after option 2 in build.sh, don't forget backup): sudo dd of=/dev/sdb if=u-boot-mt/u-boot.bin bs=1k seek=320 there are also patches for 2018-11 [[https://patchwork.ozlabs.org/project/uboot/list/?series=73809|uboot-patchwork]], which i have applied in a [[https://github.com/frank-w/u-boot/tree/uboot-bpir2|uboot-fork]]. more details [[http://forum.banana-pi.org/t/add-latest-u-boot-support-for-bpi-r2-bpi-r64-not-yet/6938|here in r2-forum]] ==== uboot 2018-11 ==== Mediatek have released patches for BPI-R2...these i have imported to a uboot-fork and configured (build.sh, config, default-Environment, ...): https://github.com/frank-w/u-boot kernel from SD-Card can be loaded (emmc should also work), ethernet-driver is also built in uboot-environment is saved (saveenv-command) to boot-device if you want to load default environment instead of the saved one: env default -a printenv ===== List of commands ===== BPI-IoT> help back to menu with command "bootmenu" BPI-IoT> help ? - alias for 'help' backup_message- print backup message. base - print or set address offset bdinfo - print Board Info structure boot - boot default, i.e., run 'bootcmd' bootd - boot default, i.e., run 'bootcmd' bootm - boot application image from memory bootmenu- ANSI terminal bootmenu bootp - boot image via network using BOOTP/TFTP protocol cmp - memory compare coninfo - print console devices and information cp - memory copy crc32 - checksum calculation echo - echo args to console editenv - edit environment variable emmc - eMMC sub system env - environment handling commands esw_read- esw_read - Dump external switch/GMAC status !! exit - exit script false - do nothing, unsuccessfully fatinfo - print information about filesystem fatload - load binary file from a dos filesystem fatls - list files in a directory (default /) go - start application at address 'addr' help - print command description/usage image_blks- read image size from img_size or image header if no specifying img_. image_check- check if image in load_addr is normal. iminfo - print header information for application image imxtract- extract a part of a multi-image itest - return true/false on integer compare loadb - load binary file over serial line (kermit mode) loads - load S-Record file over serial line loadx - load binary file over serial line (xmodem mode) loady - load binary file over serial line (ymodem mode) loop - infinite loop on address range md - memory display mdio - mdio - Ralink PHY register R/W command !! mm - memory modify (auto-incrementing address) mmc - MMC sub-system mmc2 - MMC sub system mmcinfo - display MMC info mtk_image_blks- read image size from image header (MTK format) located at load_. mw - memory write (fill) nm - memory modify (constant address) nor - nor - nor flash command ping - send ICMP ECHO_REQUEST to network host printenv- print environment variables reco_message- print recovery message. reg - reg - Ralink PHY register R/W command !! reset - Perform RESET of the CPU run - run commands in an environment variable saveenv - save environment variables to persistent storage serious_image_check- seriously check if image in load_addr is normal. setenv - set environment variables showvar - print local hushshell variables sleep - delay execution for some time snor - snor - spi-nor flash command source - run script from memory test - minimal test like /bin/sh tftpboot- boot image via network using TFTP protocol true - do nothing, successfully uboot_check- check if uboot in load_addr is normal. version - print monitor, compiler and linker version ===== change partition-configuration of EMMC ===== BPI-IoT> emmc --help emmc - eMMC sub system Usage: emmc read part addr blk# cnt emmc write part addr blk# cnt emmc ecsd - Dump ext csd emmc pconf val - Set Part Config val BPI-IoT> emmc ecsd =========================================================== [EXT_CSD] EXT_CSD rev. : v1.7 (MMCv5.0) [EXT_CSD] CSD struct rev. : v1.2 [EXT_CSD] Supported command sets : 1h [EXT_CSD] HPI features : 1h [EXT_CSD] BG operations support : 1h [EXT_CSD] BG operations status : 0h [EXT_CSD] Correct prg. sectors : 0h [EXT_CSD] 1st init time after part. : 3000 ms [EXT_CSD] Min. write perf.(DDR,52MH,8b): 0h [EXT_CSD] Min. read perf. (DDR,52MH,8b): 0h [EXT_CSD] TRIM timeout: 0 ms [EXT_CSD] Secure feature support: 55h [EXT_CSD] Secure erase timeout : 8100 ms [EXT_CSD] Secure trim timeout : 5100 ms [EXT_CSD] Access size : 3072 bytes [EXT_CSD] HC erase unit size : 512 kbytes [EXT_CSD] HC erase timeout : 300 ms [EXT_CSD] HC write prot grp size: 8192 kbytes [EXT_CSD] HC erase grp def. : 0h [EXT_CSD] Reliable write sect count: 1h [EXT_CSD] Sleep current (VCC) : 7h [EXT_CSD] Sleep current (VCCQ): 7h [EXT_CSD] Sleep/awake timeout : 26214400 ns [EXT_CSD] Sector count : e90000h [EXT_CSD] Min. WR Perf. (52MH,8b): 0h [EXT_CSD] Min. Read Perf.(52MH,8b): 0h [EXT_CSD] Min. WR Perf. (26MH,8b,52MH,4b): 0h [EXT_CSD] Min. Read Perf.(26MH,8b,52MH,4b): 0h [EXT_CSD] Min. WR Perf. (26MH,4b): 0h [EXT_CSD] Min. Read Perf.(26MH,4b): 0h [EXT_CSD] Power class: 0 [EXT_CSD] Power class(DDR,52MH,3.6V): 0h [EXT_CSD] Power class(DDR,52MH,1.9V): 0h [EXT_CSD] Power class(26MH,3.6V) : 0h [EXT_CSD] Power class(52MH,3.6V) : 0h [EXT_CSD] Power class(26MH,1.9V) : 0h [EXT_CSD] Power class(52MH,1.9V) : 0h [EXT_CSD] Part. switch timing : 1h [EXT_CSD] Out-of-INTR busy timing: 5h [EXT_CSD] Card type : 57h [EXT_CSD] Command set : 0h [EXT_CSD] Command set rev.: 0h [EXT_CSD] HS timing : 0h [EXT_CSD] Bus width : 0h [EXT_CSD] Erase memory content : 0h [EXT_CSD] Partition config : 0h <<<<<<<<<<<<<<<<<<<<<<<<<<< wrong partition config [EXT_CSD] Boot partition size : 4096 kbytes [EXT_CSD] Boot information : 7h [EXT_CSD] Boot config protection: 0h [EXT_CSD] Boot bus width : 0h [EXT_CSD] Boot area write prot : 0h [EXT_CSD] User area write prot : 0h [EXT_CSD] FW configuration : 0h [EXT_CSD] RPMB size : 512 kbytes [EXT_CSD] Write rel. setting : 1fh [EXT_CSD] Write rel. parameter: 4h [EXT_CSD] Start background ops : 0h [EXT_CSD] Enable background ops: 0h [EXT_CSD] H/W reset function : 0h [EXT_CSD] HPI management : 0h [EXT_CSD] Max. enhanced area size : 136h (2539520 kbytes) [EXT_CSD] Part. support : 7h [EXT_CSD] Part. attribute: 0h [EXT_CSD] Part. setting : 0h [EXT_CSD] General purpose 1 size : 0h (0 kbytes) [EXT_CSD] General purpose 2 size : 0h (0 kbytes) [EXT_CSD] General purpose 3 size : 0h (0 kbytes) [EXT_CSD] General purpose 4 size : 0h (0 kbytes) [EXT_CSD] Enh. user area size : 0h (0 kbytes) [EXT_CSD] Enh. user area start: 0h [EXT_CSD] Bad block mgmt mode: 0h =========================================================== BPI-IoT> emmc pconf 0x48 <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< change partition config BPI-IoT> emmc ecsd <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< verify =========================================================== [EXT_CSD] EXT_CSD rev. : v1.7 (MMCv5.0) [EXT_CSD] CSD struct rev. : v1.2 [EXT_CSD] Supported command sets : 1h [EXT_CSD] HPI features : 1h [EXT_CSD] BG operations support : 1h [EXT_CSD] BG operations status : 0h [EXT_CSD] Correct prg. sectors : 0h [EXT_CSD] 1st init time after part. : 3000 ms [EXT_CSD] Min. write perf.(DDR,52MH,8b): 0h [EXT_CSD] Min. read perf. (DDR,52MH,8b): 0h [EXT_CSD] TRIM timeout: 0 ms [EXT_CSD] Secure feature support: 55h [EXT_CSD] Secure erase timeout : 8100 ms [EXT_CSD] Secure trim timeout : 5100 ms [EXT_CSD] Access size : 3072 bytes [EXT_CSD] HC erase unit size : 512 kbytes [EXT_CSD] HC erase timeout : 300 ms [EXT_CSD] HC write prot grp size: 8192 kbytes [EXT_CSD] HC erase grp def. : 0h [EXT_CSD] Reliable write sect count: 1h [EXT_CSD] Sleep current (VCC) : 7h [EXT_CSD] Sleep current (VCCQ): 7h [EXT_CSD] Sleep/awake timeout : 26214400 ns [EXT_CSD] Sector count : e90000h [EXT_CSD] Min. WR Perf. (52MH,8b): 0h [EXT_CSD] Min. Read Perf.(52MH,8b): 0h [EXT_CSD] Min. WR Perf. (26MH,8b,52MH,4b): 0h [EXT_CSD] Min. Read Perf.(26MH,8b,52MH,4b): 0h [EXT_CSD] Min. WR Perf. (26MH,4b): 0h [EXT_CSD] Min. Read Perf.(26MH,4b): 0h [EXT_CSD] Power class: 0 [EXT_CSD] Power class(DDR,52MH,3.6V): 0h [EXT_CSD] Power class(DDR,52MH,1.9V): 0h [EXT_CSD] Power class(26MH,3.6V) : 0h [EXT_CSD] Power class(52MH,3.6V) : 0h [EXT_CSD] Power class(26MH,1.9V) : 0h [EXT_CSD] Power class(52MH,1.9V) : 0h [EXT_CSD] Part. switch timing : 1h [EXT_CSD] Out-of-INTR busy timing: 5h [EXT_CSD] Card type : 57h [EXT_CSD] Command set : 0h [EXT_CSD] Command set rev.: 0h [EXT_CSD] HS timing : 1h [EXT_CSD] Bus width : 0h [EXT_CSD] Erase memory content : 0h [EXT_CSD] Partition config : 48h <<<<<<<<<<<<<<<<<<<<<<<<<<< [EXT_CSD] Boot partition size : 4096 kbytes [EXT_CSD] Boot information : 7h [EXT_CSD] Boot config protection: 0h [EXT_CSD] Boot bus width : 0h [EXT_CSD] Boot area write prot : 0h [EXT_CSD] User area write prot : 0h [EXT_CSD] FW configuration : 0h [EXT_CSD] RPMB size : 512 kbytes [EXT_CSD] Write rel. setting : 1fh [EXT_CSD] Write rel. parameter: 4h [EXT_CSD] Start background ops : 0h [EXT_CSD] Enable background ops: 0h [EXT_CSD] H/W reset function : 0h [EXT_CSD] HPI management : 0h [EXT_CSD] Max. enhanced area size : 136h (2539520 kbytes) [EXT_CSD] Part. support : 7h [EXT_CSD] Part. attribute: 0h [EXT_CSD] Part. setting : 0h [EXT_CSD] General purpose 1 size : 0h (0 kbytes) [EXT_CSD] General purpose 2 size : 0h (0 kbytes) [EXT_CSD] General purpose 3 size : 0h (0 kbytes) [EXT_CSD] General purpose 4 size : 0h (0 kbytes) [EXT_CSD] Enh. user area size : 0h (0 kbytes) [EXT_CSD] Enh. user area start: 0h [EXT_CSD] Bad block mgmt mode: 0h in newer uboot (2018): http://forum.banana-pi.org/t/add-latest-u-boot-support-for-bpi-r2-bpi-r64-not-yet/6938/26 mmc partconf 0 1 1 0 ===== System-start out of Console ===== BPI-IoT> printenv ... boot10=mmc init; run boot_normal; bootm ... bootmenu_2=3. Boot Linux from SD.=run boot10 ... run boot10 ===== set Kernel-filename ===== in BPI-BOOT/bananapi/bpi-r2/linux/uEnv.txt change the param kernel: #kernel=uImage #kernel=uImage_4.14.33 kernel=uImage_4.9.92 with this you can have multiple kernel-files on disk to fast switch back to older one (if you have different filenames). For multiboot code of uboot has to be changed... The uEnv.txt is not loaded before displaying the boot-menu, it is loaded after "Boot Linux from SD" is selected. ===== manually load uEnv.txt ===== uEnv.txt will be loaded after "Boot from SD" is selected. here the manual way from console #Boot from emmc: enter to uboot-console; execute “mmc init 0” execute “setenv partition 0:1” execute “run loadbootenv” execute “env import -t ${scriptaddr} ${filesize} ” #Boot from SD: enter to uboot-console; execute “mmc init 1” execute “setenv partition 1:1” execute “run loadbootenv” execute “env import -t ${scriptaddr} ${filesize} ” Source: http://forum.banana-pi.org/t/how-to-extend-the-uboot-menu/5415/7 because of "loadenv" does not exist in upstream u-boot, these commands/variable-definitions are needed to get same result (load uEnv.txt + kernel): setenv scriptaddr 0x83000000 setenv bpi bananapi setenv board bpi-r2 setenv service linux setenv device mmc setenv partition 1:1 setenv bootenv uEnv.txt setenv loadbootenv fatload ${device} ${partition} ${scriptaddr} ${bpi}/${board}/${service}/${bootenv} run loadbootenv #not define importenv before run loadbootenv (or at least with escaped $ on filesize-var)! setenv importenv env import -t ${scriptaddr} \${filesize} run importenv printenv setenv newboot "fatload ${device} ${partition} ${loadaddr} ${bpi}/${board}/${service}/\${kernel}; bootm" run newboot #check for boot-device (emmc/sd) setenv checksd fatinfo ${device} 1:1 setenv selectmmc "if run checksd; then echo Boot from SD ; setenv partition 1:1;else echo Boot from eMMC; setenv partition 0:1 ; fi;" run selectmmc ===== helpful commands ===== ==== MMC ==== U-Boot> mmc list mmc@11230000: 0 (eMMC) mmc@11240000: 1 (SD) #set mmc-device U-Boot> mmc dev 1 #read current device U-Boot> mmc dev switch to partitions #0, OK mmc1 is current device U-Boot> mmcinfo Device: mmc@11240000 Manufacturer ID: 1b OEM: 534d Name: 00000 Bus Speed: 50000000 Mode : SD High Speed (50MHz) Rd Block Len: 512 SD version 2.0 High Capacity: Yes Capacity: 7.6 GiB Bus Width: 4-bit Erase Group Size: 512 Bytes #partitionconfig #mmc partconf dev [boot_ack boot_partition partition_access] # - Show or change the bits of the PARTITION_CONFIG field of the specified device #example for mode 0x48 (needed for emmc-boot on bpi-r2) U-Boot> mmc partconf 0 EXT_CSD[179], PARTITION_CONFIG: BOOT_ACK: 0x1 BOOT_PARTITION_ENABLE: 0x1 PARTITION_ACCESS: 0x0 #set via U-Boot> mmc partconf 0 1 1 0 ==== directory-listing ==== ls mmc 1:1 bananapi/bpi-r2/linux ==== ask for kernel ==== lskernel=ls ${device} ${partition} ${bpi}/${board}/${service}; askkernel=askenv kernelinput "enter uImage-name:"; boot0=run lskernel;run askkernel;if printenv kernelinput ;then setenv kernel ${kernelinput}; run newboot; fi bootmenu_0=1. Enter kernel-name to boot from SD/EMMC.=run boot0 ===== netboot ===== [[netboot]] ==== PCIe ==== :!: uboot before 2020-10 (my version) has bug which causes hang on pci enum if there is no card inserted into slot BPI-R2> pci enum BPI-R2> pci 0 Scanning PCI devices on bus 0 BusDevFun VendorId DeviceId Device Class Sub-Class _____________________________________________________________ 00.00.00 0x14c3 0x0801 Bridge device 0x04 00.01.00 0x14c3 0x0801 Bridge device 0x04 BPI-R2> pci 1 Scanning PCI devices on bus 1 BusDevFun VendorId DeviceId Device Class Sub-Class _____________________________________________________________ 01.00.00 0x14c3 0x7612 Network controller 0x80 BPI-R2> pci 2 Scanning PCI devices on bus 2 BusDevFun VendorId DeviceId Device Class Sub-Class _____________________________________________________________ 02.00.00 0x1b21 0x0611 Mass storage controller 0x01 BPI-R2> scsi scan scanning bus for devices... SATA link 0 timeout. Target spinup took 0 ms. AHCI 0001.0200 32 slots 2 ports 6 Gbps 0x3 impl SATA mode flags: 64bit ncq stag led clo pmp pio slum part ccc sxs Device 0: (1:0) Vendor: ATA Prod.: ST750LM022 HN-M7 Rev: 2AR1 Type: Hard Disk Capacity: 715404.8 MB = 698.6 GB (1465149168 x 512) BPI-R2> ==== SATA ==== see [[#pcie]] (pci enum + scsi scan) and then access hdd via ls scsi 0:1 ==== USB ==== BPI-R2> usb start starting USB... Bus usb@1a1c0000: hcd: 0x1a1c0000, ippc: 0x1a1c4700 u2p:1, u3p:1 Register 200010f NbrPorts 2 Starting the controller USB XHCI 0.96 Bus usb@1a240000: hcd: 0x1a240000, ippc: 0x1a244700 u2p:1, u3p:1 Register 200010f NbrPorts 2 Starting the controller USB XHCI 0.96 scanning bus usb@1a1c0000 for devices... 1 USB Device(s) found scanning bus usb@1a240000 for devices... 2 USB Device(s) found scanning usb for storage devices... 1 Storage Device(s) found BPI-R2> usb tree USB device tree: 1 Hub (5 Gb/s, 0mA) U-Boot XHCI Host Controller 1 Hub (5 Gb/s, 0mA) | U-Boot XHCI Host Controller | +-2 Mass Storage (480 Mb/s, 200mA) USB Flash Disk 906B030002F4 BPI-R2> ls usb 0:1 efi/ 4767728 kernel 1 file(s), 1 dir(s) ===== Links ===== [[https://patchwork.ozlabs.org/project/uboot/list/|patchwork]] [[https://lists.denx.de/pipermail/u-boot/|archive]] [[http://git.denx.de/?p=u-boot.git|git]]