Quick start

Depends on your needs you can:

We recommends to use always the latest stable release.
Below we will use stable release 2018.11.1.

wget https://buildroot.org/downloads/buildroot-2018.11.1.tar.gz
tar xf buildroot-2018.11.1.tar.gz
cd buildroot-2018.11.1

Apply configuration from grinn_chiliboard_defconfig file.

make grinn_chiliboard_defconfig
make all

During the first build Buildroot will download and compile cross-compiler for chiliSOM. This operation will take several minutes (around 30 minutes @ 8 x Intel® Core™ i7-2760QM CPU).

But after first build cross-compiler will be reused and build time will be reduced to the minimal value (in most cases it will take less than 1 minute).

sudo dd if=output/images/sdcard.img of=/dev/<SD card> bs=4M
sync

Where <SD card> points to your SD card device.

Show how to find SD card

Method 1

Insert SD cart to PC and check last lines from dmesg command output. Name assigned to the detected SD card will be presented as in the following example.

[ 6163.014768] mmc0: new high speed SDHC card at address 1234
[ 6163.024433] mmcblk0: mmc0:1234 SA16G 14.6 GiB 
[ 6163.025749]  mmcblk0: p1
[ 6163.375207] EXT4-fs (mmcblk0p1): mounted filesystem with ordered data mode. Opts: (null)

Method 2

lsblk command will list all detected block devices where your SD card will be displayed.

NAME                      MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda                         8:0    0 238.5G  0 disk 
├─sda1                      8:1    0    28G  0 part /
├─sda2                      8:2    0     1K  0 part 
├─sda5                      8:5    0   9.3G  0 part 
└─sda6                      8:6    0 201.2G  0 part /home
sr0                        11:0    1  1024M  0 rom  
mmcblk0                   179:0    0  14.7G  0 disk 
└─mmcblk0p1               179:1    0  14.7G  0 part /media/foo/804b0b54-f37e-49cb-9299-87759d7b68d4

Device name

In both examples SD card was detected as mmcblk0 so valid dd … command syntax is

sudo dd if=output/images/sdcard.img of=/dev/mmcblk0 bs=4M

Insert programmed SD card to the chiliboard card socket.

Configure boot switches as presented below.

BOOT0 BOOT1 BOOT2 BOOT3 BOOT4 BOOT5
ON ON ON
OFF OFF OFF
1 2 3 4 5 6

Connect your chiliboard to your PC via USB ↔ micro USB cable.

chiliboard will be automatically powered-up and on debug console you should see starting Linux, as presented below.

Show log

U-Boot SPL 2019.01 (Jan 17 2019 - 21:15:07 +0100)
Trying to boot from MMC1


U-Boot 2019.01 (Jan 17 2019 - 21:15:07 +0100)

CPU  : AM335X-GP rev 2.1                                                            
I2C:   ready                                                                        
DRAM:  512 MiB                                                                      
NAND:  256 MiB                                                                      
MMC:   OMAP SD/MMC: 0, OMAP SD/MMC: 1                                               
<ethaddr> not set. Validating first E-fuse MAC
Net:   Net Initialization Skipped
No ethernet found.
Hit any key to stop autoboot:  0 
switch to partitions #0, OK
mmc0 is current device
SD/MMC found on device 0
5354504 bytes read in 335 ms (15.2 MiB/s)
32924 bytes read in 4 ms (7.8 MiB/s)
## Flattened Device Tree blob at 87800000
   Booting using the fdt blob at 0x87800000
   Loading Device Tree to 9df7b000, end 9df8609b ... OK

Starting kernel ...

[    0.000000] Booting Linux on physical CPU 0x0
[    0.000000] Linux version 4.9.66 (mucka@winston) (gcc version 7.3.0 (Buildroot 2018.11.1-g570495e-dirty) ) #1 SMP Thu Jan 17 18:18:09
[    0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c5387d
[    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[    0.000000] OF: fdt:Machine model: Grinn chiliboard with serials: RS232, RS485, CAN
[    0.000000] cma: Reserved 16 MiB at 0x9e800000
[    0.000000] Memory policy: Data cache writeback
[    0.000000] CPU: All CPU(s) started in SVC mode.
[    0.000000] AM335X ES2.1 (sgx neon)
[    0.000000] percpu: Embedded 15 pages/cpu @df942000 s31592 r8192 d21656 u61440
[    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 129412
[    0.000000] Kernel command line: console=ttyO0,115200n8,115200 root=/dev/mmcblk0p2 rootwait rw
[    0.000000] PID hash table entries: 2048 (order: 1, 8192 bytes)
[    0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
[    0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
[    0.000000] Memory: 480376K/522240K available (7168K kernel code, 779K rwdata, 2396K rodata, 1024K init, 8137K bss, 25480K reserved,)
[    0.000000] Virtual kernel memory layout:
[    0.000000]     vector  : 0xffff0000 - 0xffff1000   (   4 kB)
[    0.000000]     fixmap  : 0xffc00000 - 0xfff00000   (3072 kB)
[    0.000000]     vmalloc : 0xe0000000 - 0xff800000   ( 504 MB)
[    0.000000]     lowmem  : 0xc0000000 - 0xdfe00000   ( 510 MB)
[    0.000000]     pkmap   : 0xbfe00000 - 0xc0000000   (   2 MB)
[    0.000000]     modules : 0xbf000000 - 0xbfe00000   (  14 MB)
[    0.000000]       .text : 0xc0008000 - 0xc0800000   (8160 kB)
[    0.000000]       .init : 0xc0b00000 - 0xc0c00000   (1024 kB)
[    0.000000]       .data : 0xc0c00000 - 0xc0cc2e14   ( 780 kB)
[    0.000000]        .bss : 0xc0cc4000 - 0xc14b65a0   (8138 kB)
[    0.000000] Running RCU self tests
[    0.000000] Hierarchical RCU implementation.
[    0.000000]  RCU lockdep checking is enabled.
[    0.000000]  Build-time adjustment of leaf fanout to 32.
[    0.000000]  RCU restricting CPUs from NR_CPUS=2 to nr_cpu_ids=1.
[    0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=32, nr_cpu_ids=1
[    0.000000] NR_IRQS:16 nr_irqs:16 16
[    0.000000] IRQ: Found an INTC at 0xfa200000 (revision 5.0) with 128 interrupts
[    0.000000] OMAP clockevent source: timer2 at 24000000 Hz
[    0.000014] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns
[    0.000038] clocksource: timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns
[    0.000079] OMAP clocksource: timer1 at 24000000 Hz
[    0.000512] clocksource_probe: no matching clocksources found
[    0.001402] Console: colour dummy device 80x30
[    0.001459] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
[    0.001468] ... MAX_LOCKDEP_SUBCLASSES:  8
[    0.001476] ... MAX_LOCK_DEPTH:          48
[    0.001484] ... MAX_LOCKDEP_KEYS:        8191
[    0.001491] ... CLASSHASH_SIZE:          4096
[    0.001499] ... MAX_LOCKDEP_ENTRIES:     32768
[    0.001507] ... MAX_LOCKDEP_CHAINS:      65536
[    0.001514] ... CHAINHASH_SIZE:          32768
[    0.001522]  memory used by lock dependency info: 5167 kB
[    0.001530]  per task-struct memory footprint: 1536 bytes
[    0.001563] Calibrating delay loop... 996.14 BogoMIPS (lpj=4980736)
[    0.078839] pid_max: default: 32768 minimum: 301
[    0.079314] Security Framework initialized
[    0.079458] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.079471] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.082912] CPU: Testing write buffer coherency: ok
[    0.084392] CPU0: thread -1, cpu 0, socket -1, mpidr 0
[    0.084463] Setting up static identity map for 0x80100000 - 0x80100070
[    0.088672] Brought up 1 CPUs
[    0.088696] SMP: Total of 1 processors activated (996.14 BogoMIPS).
[    0.088706] CPU: All CPU(s) started in SVC mode.
[    0.092699] devtmpfs: initialized
[    0.127583] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 3
[    0.128471] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    0.128533] futex hash table entries: 256 (order: 2, 16384 bytes)
[    0.130321] pinctrl core: initialized pinctrl subsystem
[    0.135027] NET: Registered protocol family 16
[    0.140991] DMA: preallocated 256 KiB pool for atomic coherent allocations
[    0.183437] omap_hwmod: debugss: _wait_target_disable failed
[    0.239571] cpuidle: using governor menu
[    0.256739] OMAP GPIO hardware version 0.1
[    0.293303] omap-gpmc 50000000.gpmc: could not find pctldev for node /ocp/l4_wkup@44c00000/scm@210000/pinmux@800/nandflash_pins, defe
[    0.296429] No ATAGs?
[    0.296453] hw-breakpoint: debug architecture 0x4 unsupported.
[    0.296654] omap4_sram_init:Unable to allocate sram needed to handle errata I688
[    0.296670] omap4_sram_init:Unable to get sram pool needed to handle errata I688
[    0.342166] edma 49000000.edma: TI EDMA DMA engine driver
[    0.345753] SCSI subsystem initialized
[    0.347356] omap_i2c 44e0b000.i2c: could not find pctldev for node /ocp/l4_wkup@44c00000/scm@210000/pinmux@800/pinmux_i2c0_pins, defe
[    0.347633] pps_core: LinuxPPS API ver. 1 registered
[    0.347644] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    0.347693] PTP clock support registered
[    0.352141] clocksource: Switched to clocksource timer1
[    0.453274] VFS: Disk quotas dquot_6.6.0
[    0.453459] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[    0.484182] NET: Registered protocol family 2
[    0.486104] TCP established hash table entries: 4096 (order: 2, 16384 bytes)
[    0.486202] TCP bind hash table entries: 4096 (order: 5, 147456 bytes)
[    0.487365] TCP: Hash tables configured (established 4096 bind 4096)
[    0.487542] UDP hash table entries: 256 (order: 2, 20480 bytes)
[    0.487711] UDP-Lite hash table entries: 256 (order: 2, 20480 bytes)
[    0.488533] NET: Registered protocol family 1
[    0.490605] RPC: Registered named UNIX socket transport module.
[    0.490629] RPC: Registered udp transport module.
[    0.490639] RPC: Registered tcp transport module.
[    0.490649] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    0.493911] hw perfevents: enabled with armv7_cortex_a8 PMU driver, 5 counters available
[    0.498160] audit: initializing netlink subsys (disabled)
[    0.498391] audit: type=2000 audit(0.490:1): initialized
[    0.502259] workingset: timestamp_bits=14 max_order=17 bucket_order=3
[    0.505335] NFS: Registering the id_resolver key type
[    0.505671] Key type id_resolver registered
[    0.505686] Key type id_legacy registered
[    0.505835] jffs2: version 2.2. (NAND) (SUMMARY)  �© 2001-2006 Red Hat, Inc.
[    0.510952] io scheduler noop registered
[    0.510978] io scheduler deadline registered
[    0.511095] io scheduler cfq registered (default)
[    0.513119] pinctrl-single 44e10800.pinmux: 142 pins at pa f9e10800 size 568
[    0.516547] Serial: 8250/16550 driver, 6 ports, IRQ sharing enabled
[    0.524487] omap_uart 44e09000.serial: no wakeirq for uart0
[    0.525025] 44e09000.serial: ttyO0 at MMIO 0x44e09000 (irq = 158, base_baud = 3000000) is a OMAP UART0
[    1.218875] console [ttyO0] enabled
[    1.224401] omap_uart 48022000.serial: no wakeirq for uart1
[    1.230675] 48022000.serial: ttyO1 at MMIO 0x48022000 (irq = 159, base_baud = 3000000) is a OMAP UART1
[    1.241938] omap_uart 481a8000.serial: no wakeirq for uart4
[    1.248167] 481a8000.serial: ttyO4 at MMIO 0x481a8000 (irq = 160, base_baud = 3000000) is a OMAP UART4
[    1.296991] brd: module loaded
[    1.323946] loop: module loaded
[    1.329577] mtdoops: mtd device (mtddev=name/number) must be supplied
[    1.339431] libphy: Fixed MDIO Bus: probed
[    1.344319] vcan: Virtual CAN interface driver
[    1.348964] CAN device driver interface
[    1.355927] c_can_platform 481cc000.can: c_can_platform device registered (regs=fa1cc000, irq=164)
[    1.442173] davinci_mdio 4a101000.mdio: davinci mdio revision 1.6
[    1.448559] davinci_mdio 4a101000.mdio: detected phy mask fffffffe
[    1.458933] libphy: 4a101000.mdio: probed
[    1.463310] davinci_mdio 4a101000.mdio: phy[0]: device 4a101000.mdio:00, driver SMSC LAN8710/LAN8720
[    1.474229] cpsw 4a100000.ethernet: Detected MACID = 84:eb:18:e1:f2:ab
[    1.487278] mousedev: PS/2 mouse device common for all mice
[    1.493245] i2c /dev entries driver
[    1.499385] omap_hsmmc 48060000.mmc: Got CD GPIO
[    1.507086] ledtrig-cpu: registered to indicate activity on CPUs
[    1.514459] oprofile: using arm/armv7                                            
[    1.519002] Initializing XFRM netlink socket                                     
[    1.523960] NET: Registered protocol family 10                                   
[    1.531781] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver                  
[    1.540536] NET: Registered protocol family 17                                   
[    1.545392] NET: Registered protocol family 15
[    1.550038] can: controller area network core (rev 20120528 abi 9)
[    1.556680] NET: Registered protocol family 29
[    1.561358] can: raw protocol (rev 20120528)
[    1.565987] can: broadcast manager protocol (rev 20161123 t)
[    1.571938] can: netlink gateway (rev 20130117) max_hops=1
[    1.578165] Key type dns_resolver registered
[    1.582853] omap_voltage_late_init: Voltage driver support not added
[    1.589504] sr_dev_init: No voltage domain specified for smartreflex0. Cannot initialize
[    1.597993] sr_dev_init: No voltage domain specified for smartreflex1. Cannot initialize
[    1.607151] ThumbEE CPU extension supported.
[    1.611653] Registering SWP/SWPB emulation handler
[    1.616731] SmartReflex Class3 initialized
[    1.641847] omap-gpmc 50000000.gpmc: GPMC revision 6.0
[    1.647627] gpmc_mem_init: disabling cs 0 mapped at 0x0-0x1000000
[    1.658439] nand: device found, Manufacturer ID: 0x2c, Chip ID: 0xda
[    1.665247] nand: Micron MT29F2G08ABAEAH4
[    1.669441] nand: 256 MiB, SLC, erase size: 128 KiB, page size: 2048, OOB size: 64
[    1.677448] nand: using OMAP_ECC_BCH8_CODE_HW ECC scheme
[    1.736150] random: fast init done
[    1.745222] tps65217 0-0024: TPS65217 ID 0xe version 1.2
[    1.750927] omap_i2c 44e0b000.i2c: bus 0 rev0.11 at 400 kHz
[    1.757985] omap_hsmmc 48060000.mmc: Got CD GPIO
[    1.825143] hctosys: unable to open rtc device (rtc0)
[    1.830431] sr_init: No PMIC hook to init smartreflex
[    1.836067] sr_init: platform driver register failed for SR
[    1.849095] Waiting for root device /dev/mmcblk0p2...
[    1.890008] mmc0: host does not support reading read-only switch, assuming write-enable
[    1.900530] mmc0: new high speed SDHC card at address 1234
[    1.909812] mmcblk0: mmc0:1234 SA08G 7.21 GiB 
[    1.918963]  mmcblk0: p1 p2
[    1.975858] EXT4-fs (mmcblk0p2): couldn't mount as ext3 due to feature incompatibilities
[    2.301414] EXT4-fs (mmcblk0p2): recovery complete
[    2.312371] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
[    2.321020] VFS: Mounted root (ext4 filesystem) on device 179:2.
[    2.330058] devtmpfs: mounted
[    2.335311] Freeing unused kernel memory: 1024K
[    2.446166] EXT4-fs (mmcblk0p2): re-mounted. Opts: data=ordered
Starting logging: OK
Initializing random number generator... done.
Starting network: [    2.890135] net eth0: initializing cpsw version 1.12 (0)
[    2.992785] SMSC LAN8710/LAN8720 4a101000.mdio:00: attached PHY driver [SMSC LAN8710/LAN8720] (mii_bus:phy_addr=4a101000.mdio:00, ir)
[    3.015661] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
udhcpc: started, v1.29.3
udhcpc: sending discover
udhcpc: sending discover
udhcpc: sending discover
udhcpc: no lease, failing
[   12.196832] c_can_platform 481cc000.can can0: setting BTR=1c0b BRPE=0000
FAIL

Welcome to Buildroot
buildroot login:

With default configuration you can log as a root (no password needed) and start to use your chiliboard.

  • chilisom/buildroot/quick_start.txt
  • Last modified: 2019/01/21 15:13
  • by m.zagrabski