Goodmorning,
I hope you can help me with the following matter. I am currently using the poky reference distribution to build a minimal working example for the Zybo board (using the meta-xilinx layer), following this<https://www.yoctoproject.org/docs/2.5/brief-yoctoprojectqs/brief-yoctoprojectqs.html> guide. After bitbaking the minimal example and putting everything on a partitioned SD card, I can start u-boot and load the kernel. Everything seems fine up until here. My problem now is that before loading the kernel, I would like to load a bitfile (xxx.bit) and program the FPGA. Unfortunatelly I haven't managed to get this to work. First of all, I am not getting an countdown to interrupt u-boot which I tried to identify but was unable to. I am attaching the log from the boot process in case it helps. I am not sure if the u-boot spl is loaded (and executed). Welcome to minicom 2.7 OPTIONS: I18n Compiled on Apr 25 2017, 21:09:25. Port /dev/ttyUSB1, 11:02:26 Press CTRL-A Z for help on special keys U-Boot SPL 2018.01 (Jun 22 2018 - 11:49:55) mmc boot Trying to boot from MMC1 spl_load_image_fat_os: error reading image system.dtb, err - -2 reading u-boot.img reading u-boot.img U-Boot 2018.01 (Jun 22 2018 - 11:49:55 +0000) Model: Zynq ZYBO Development Board Board: Xilinx Zynq Silicon: v3.1 I2C: ready DRAM: ECC disabled 512 MiB MMC: sdhci@e0100000: 0 SF: Detected s25fl128s_64k with page size 256 Bytes, erase size 64 KiB, total 1B *** Warning - bad CRC, using default environment In: serial@e0001000 Out: serial@e0001000 Err: serial@e0001000 Net: ZYNQ GEM: e000b000, phyaddr 0, interface rgmii-id I2C EEPROM MAC address read failed Warning: ethernet@e000b000 (eth0) using random MAC address - 5e:69:c8:f8:cf:5b eth0: ethernet@e000b000 reading uEnv.txt 451 bytes read in 10 ms (43.9 KiB/s) Importing environment from mmc ... Checking if uenvcmd is set ... Running uenvcmd ... reading uImage 3956792 bytes read in 228 ms (16.6 MiB/s) reading zynq-zybo.dtb 9222 bytes read in 17 ms (529.3 KiB/s) ## Booting kernel from Legacy Image at 03000000 ... Image Name: Linux-4.14.0-xilinx-v2018.1 Image Type: ARM Linux Kernel Image (uncompressed) Data Size: 3956728 Bytes = 3.8 MiB Load Address: 00008000 Entry Point: 00008000 Verifying Checksum ... OK ## Flattened Device Tree blob at 02000000 Booting using the fdt blob at 0x2000000 Loading Kernel Image ... OK Loading Device Tree to 1eb22000, end 1eb27405 ... OK Starting kernel ... Booting Linux on physical CPU 0x0 Linux version 4.14.0-xilinx-v2018.1 (oe-user@oe-host) (gcc version 7.3.0 (GCC))8 CPU: ARMv7 Processor [413fc090] revision 0 (ARMv7), cr=18c5387d CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache OF: fdt: Machine model: Zynq ZYBO Development Board Memory policy: Data cache writealloc cma: Reserved 16 MiB at 0x1f000000 percpu: Embedded 16 pages/cpu @debc8000 s34764 r8192 d22580 u65536 Built 1 zonelists, mobility grouping on. Total pages: 130048 Kernel command line: earlyprintk root=/dev/mmcblk0p2 rw rootwait PID hash table entries: 2048 (order: 1, 8192 bytes) Dentry cache hash table entries: 65536 (order: 6, 262144 bytes) Inode-cache hash table entries: 32768 (order: 5, 131072 bytes) Memory: 493068K/524288K available (6144K kernel code, 238K rwdata, 1560K rodata) Virtual kernel memory layout: vector : 0xffff0000 - 0xffff1000 ( 4 kB) fixmap : 0xffc00000 - 0xfff00000 (3072 kB) vmalloc : 0xe0800000 - 0xff800000 ( 496 MB) lowmem : 0xc0000000 - 0xe0000000 ( 512 MB) pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB) modules : 0xbf000000 - 0xbfe00000 ( 14 MB) .text : 0xc0008000 - 0xc0700000 (7136 kB) .init : 0xc0900000 - 0xc0a00000 (1024 kB) .data : 0xc0a00000 - 0xc0a3b8c0 ( 239 kB) .bss : 0xc0a3b8c0 - 0xc0a61f84 ( 154 kB) Preemptible hierarchical RCU implementation. RCU restricting CPUs from NR_CPUS=4 to nr_cpu_ids=2. Tasks RCU enabled. RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 efuse mapped to e0800000 slcr mapped to e0802000 L2C: platform modifies aux control register: 0x02060000 -> 0x32460000 L2C: DT/platform modifies aux control register: 0x02060000 -> 0x32460000 L2C-310 erratum 769419 enabled L2C-310 enabling early BRESP for Cortex-A9 L2C-310 full line of zeros enabled for Cortex-A9 L2C-310 dynamic clock gating enabled, standby mode enabled L2C-310 cache controller enabled, 8 ways, 512 kB L2C-310: CACHE_ID 0x410000c8, AUX_CTRL 0x46460001 zynq_clock_init: clkc starts at e0802100 Zynq clock init sched_clock: 64 bits at 325MHz, resolution 3ns, wraps every 4398046511103ns clocksource: arm_global_timer: mask: 0xffffffffffffffff max_cycles: 0x4af477f6as Switching to timer-based delay loop, resolution 3ns clocksource: ttc_clocksource: mask: 0xffff max_cycles: 0xffff, max_idle_ns: 551s timer #0 at e080a000, irq=17 Console: colour dummy device 80x30 console [tty0] enabled Calibrating delay loop (skipped), value calculated using timer frequency.. 650.) pid_max: default: 32768 minimum: 301 Mount-cache hash table entries: 1024 (order: 0, 4096 bytes) Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes) CPU: Testing write buffer coherency: ok CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 Setting up static identity map for 0x100000 - 0x100060 Hierarchical SRCU implementation. smp: Bringing up secondary CPUs ... CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 smp: Brought up 1 node, 2 CPUs SMP: Total of 2 processors activated (1300.00 BogoMIPS). CPU: All CPU(s) started in SVC mode. devtmpfs: initialized random: get_random_u32 called from bucket_table_alloc+0x1c4/0x204 with crng_ini0 VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 191s futex hash table entries: 512 (order: 3, 32768 bytes) pinctrl core: initialized pinctrl subsystem NET: Registered protocol family 16 DMA: preallocated 256 KiB pool for atomic coherent allocations cpuidle: using governor menu random: fast init done hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. hw-breakpoint: maximum watchpoint size is 4 bytes. zynq-ocm f800c000.ocmc: ZYNQ OCM pool: 256 KiB @ 0xe0840000 zynq-pinctrl 700.pinctrl: zynq pinctrl initialized e0001000.serial: ttyPS0 at MMIO 0xe0001000 (irq = 25, base_baud = 6250000) is as console [ttyPS0] enabled vgaarb: loaded SCSI subsystem initialized usbcore: registered new interface driver usbfs usbcore: registered new interface driver hub usbcore: registered new device driver usb usb_phy_generic phy0: phy0 supply vcc not found, using dummy regulator media: Linux media interface: v0.10 Linux video capture interface: v2.00 pps_core: LinuxPPS API ver. 1 registered pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@> PTP clock support registered EDAC MC: Ver: 3.0.0 FPGA manager framework fpga-region fpga-full: FPGA Region probed Advanced Linux Sound Architecture Driver Initialized. clocksource: Switched to clocksource arm_global_timer NET: Registered protocol family 2 TCP established hash table entries: 4096 (order: 2, 16384 bytes) TCP bind hash table entries: 4096 (order: 3, 32768 bytes) TCP: Hash tables configured (established 4096 bind 4096) UDP hash table entries: 256 (order: 1, 8192 bytes) UDP-Lite hash table entries: 256 (order: 1, 8192 bytes) NET: Registered protocol family 1 RPC: Registered named UNIX socket transport module. RPC: Registered udp transport module. RPC: Registered tcp transport module. RPC: Registered tcp NFSv4.1 backchannel transport module. hw perfevents: no interrupt-affinity property for /pmu@f8891000, guessing. hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available workingset: timestamp_bits=30 max_order=17 bucket_order=0 jffs2: version 2.2. (NAND) (SUMMARY) �© 2001-2006 Red Hat, Inc. io scheduler noop registered io scheduler deadline registered io scheduler cfq registered (default) io scheduler mq-deadline registered io scheduler kyber registered dma-pl330 f8003000.dmac: Loaded driver for PL330 DMAC-241330 dma-pl330 f8003000.dmac: DBUFF-128x8bytes Num_Chans-8 Num_Peri-4 Num_Eve6 brd: module loaded loop: module loaded zynq-qspi e000d000.spi: couldn't determine configuration info zynq-qspi e000d000.spi: about dual memories. defaulting to single memory libphy: Fixed MDIO Bus: probed CAN device driver interface libphy: MACB_mii_bus: probed macb e000b000.ethernet eth0: Cadence GEM rev 0x00020118 at 0xe000b000 irq 27 (5) RTL8211E Gigabit Ethernet e000b000.ethernet-ffffffff:00: attached PHY driver [R) e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k e1000e: Copyright(c) 1999 - 2015 Intel Corporation. ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver ehci-pci: EHCI PCI platform driver usbcore: registered new interface driver usb-storage chipidea-usb2 e0002000.usb: e0002000.usb supply vbus not found, using dummy regr ci_hdrc ci_hdrc.0: EHCI Host Controller ci_hdrc ci_hdrc.0: new USB bus registered, assigned bus number 1 ci_hdrc ci_hdrc.0: USB 2.0 started, EHCI 1.00 hub 1-0:1.0: USB hub found hub 1-0:1.0: 1 port detected i2c /dev entries driver IR NEC protocol handler initialized IR RC5(x/sz) protocol handler initialized IR RC6 protocol handler initialized IR JVC protocol handler initialized IR Sony protocol handler initialized IR SANYO protocol handler initialized IR Sharp protocol handler initialized IR MCE Keyboard/mouse protocol handler initialized IR XMP protocol handler initialized cdns-wdt f8005000.watchdog: Xilinx Watchdog Timer at e0944000 with timeout 10s EDAC MC: ECC not enabled Xilinx Zynq CpuIdle Driver started sdhci: Secure Digital Host Controller Interface driver sdhci: Copyright(c) Pierre Ossman sdhci-pltfm: SDHCI platform and OF driver helper mmc0: SDHCI controller on e0100000.sdhci [e0100000.sdhci] using ADMA ledtrig-cpu: registered to indicate activity on CPUs usbcore: registered new interface driver usbhid usbhid: USB HID core driver fpga_manager fpga0: Xilinx Zynq FPGA Manager registered NET: Registered protocol family 10 Segment Routing with IPv6 sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver NET: Registered protocol family 17 can: controller area network core (rev 20170425 abi 9) NET: Registered protocol family 29 can: raw protocol (rev 20170425) can: broadcast manager protocol (rev 20170425 t) can: netlink gateway (rev 20170425) max_hops=1 Registering SWP/SWPB emulation handler hctosys: unable to open rtc device (rtc0) of_cfs_init of_cfs_init: OK ALSA device list: No soundcards found. Waiting for root device /dev/mmcblk0p2... mmc0: new high speed SDHC card at address 0007 mmcblk0: mmc0:0007 SD16G 14.5 GiB mmcblk0: p1 p2 EXT4-fs (mmcblk0p2): couldn't mount as ext3 due to feature incompatibilities EXT4-fs (mmcblk0p2): warning: maximal mount count reached, running e2fsck is red EXT4-fs (mmcblk0p2): recovery complete EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null) VFS: Mounted root (ext4 filesystem) on device 179:2. devtmpfs: mounted Freeing unused kernel memory: 1024K INIT: version 2.88 booting Starting udev udevd[702]: starting version 3.2.5 udevd[703]: starting eudev-3.2.5 EXT4-fs (mmcblk0p2): re-mounted. Opts: data=ordered Fri Jun 8 13:42:01 UTC 2018 INIT: Entering runlevel: 5 Configuring network interfaces... IPv6: ADDRCONF(NETDEV_UP): eth0: link is not y udhcpc: started, v1.27.2 udhcpc: sending discover udhcpc: sending discover udhcpc: sending discover udhcpc: no lease, forking to background done. Starting syslogd/klogd: done Poky (Yocto Project Reference Distro) 2.5 zybo-zynq7 /dev/ttyPS0 zybo-zynq7 login: root root@zybo-zynq7:~# I would appreciate any suggestion or help to the right direction. Thanks Simon
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