Dobrica Pavlinušić's random unstructured stuff
CubieBoard: Revision 21
BreadBoard V1.0 03-25 For CubieBoard.pdf A20
disk speedNANDroot@cubieboard2:/home/dpavlin# uname -a Linux cubieboard2 3.4.109-sun7i #4 SMP PREEMPT Sun Oct 11 14:32:15 CEST 2015 armv7l GNU/Linux root@cubieboard2:/home/dpavlin# hdparm -t /dev/nand /dev/nand: Timing buffered disk reads: 32 MB in 3.22 seconds = 9.94 MB/sec # this is different, faster sdcard root@cubieboard2:~# uname -a Linux cubieboard2 4.3.3-sunxi #3 SMP Mon Dec 28 11:27:16 CET 2015 armv7l GNU/Linux root@cubieboard2:~# hdparm -tT /dev/mmcblk0 /dev/mmcblk0: Timing cached reads: 770 MB in 2.00 seconds = 384.59 MB/sec Timing buffered disk reads: 60 MB in 3.05 seconds = 19.67 MB/sec SATAPowered by 2A Nexus 7 power supply (for SATA) root@debian:~/sunxi-tools# ./bin2fex /boot/script.bin script.fex fexc-bin: /boot/script.bin: version: 0.1.2 fexc-bin: /boot/script.bin: size: 42144 (76 sections) root@debian:~/sunxi-tools# cp script.fex script+sata.fex root@debian:~/sunxi-tools# diff -urw script.fex script+sata.fex --- script.fex 2013-05-30 10:41:13.979510762 +0000 +++ script+sata.fex 2013-05-30 10:42:36.380244101 +0000 @@ -595,7 +595,7 @@ [sata_para] sata_used = 1 -sata_power_en = +sata_power_en = port:PB08<1><default><default><0> [mmc0_para] sdc_used = 1 root@debian:~/sunxi-tools# ./fex2bin script+sata.fex /boot/script.bin root@debian:/etc# git diff diff --git a/modules b/modules index d8894c3..9e65a80 100644 --- a/modules +++ b/modules @@ -4,3 +4,4 @@ # at boot time, one per line. Lines beginning with "#" are ignored. # Parameters can be specified after the module name. +sw_ahci_platform Reboot to activate changes and test speed (using 80G intel SSD to have sense of maximum performance) root@debian:~# hdparm -i /dev/sda /dev/sda: Model=INTEL SSDSA2M080G2GC, FwRev=2CV102HD, SerialNo=CVPO035101VN080JGN Config={ Fixed } RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=0 BuffType=unknown, BuffSize=unknown, MaxMultSect=16, MultSect=1 CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=156301488 IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120} PIO modes: pio0 pio3 pio4 DMA modes: mdma0 mdma1 mdma2 UDMA modes: udma0 udma1 udma2 udma3 udma4 udma5 *udma6 AdvancedPM=no WriteCache=enabled Drive conforms to: ATA/ATAPI-7 T13 1532D revision 1: ATA/ATAPI-2,3,4,5,6,7 * signifies the current active mode root@debian:~# hdparm -tT /dev/sda /dev/sda: Timing cached reads: 784 MB in 2.00 seconds = 392.08 MB/sec Timing buffered disk reads: 460 MB in 3.00 seconds = 153.32 MB/sec And test with disk: root@debian:~# hdparm -i /dev/sda /dev/sda: Model=ST96812AS, FwRev=7.24, SerialNo=3PJ1GCKE Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% } RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4 BuffType=unknown, BuffSize=8192kB, MaxMultSect=16, MultSect=off CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=117231408 IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120} PIO modes: pio0 pio1 pio2 pio3 pio4 DMA modes: mdma0 mdma1 mdma2 UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5 AdvancedPM=yes: unknown setting WriteCache=enabled Drive conforms to: Unspecified: ATA/ATAPI-1,2,3,4,5,6,7 * signifies the current active mode root@debian:~# hdparm -tT /dev/sda /dev/sda: Timing cached reads: 746 MB in 2.00 seconds = 372.90 MB/sec Timing buffered disk reads: 120 MB in 3.03 seconds = 39.56 MB/sec GPIOCameraOV7670 is supported http://linux-sunxi.org/CSI
hardwarepinout: https://www.olimex.com/wiki/How_to_add_pwm cat /sys/class/pwm-sunxi/pwm0/pin PB2 echo 10khz > /sys/class/pwm-sunxi/pwm0/period echo 25 > /sys/class/pwm-sunxi/pwm0/duty_percent echo 1 > /sys/class/pwm-sunxi/pwm0/run LEDsdpavlin@cubieboard2:~$ grep . /sys/class/leds/*/trigger /sys/class/leds/blue:ph21:led2/trigger:none battery-charging-or-full battery-charging battery-full battery-charging-blink-full-solid ac-online usb-online mmc0 timer [heartbeat] backlight cpu0 cpu1 default-on /sys/class/leds/green:ph20:led1/trigger:[none] battery-charging-or-full battery-charging battery-full battery-charging-blink-full-solid ac-online usb-online mmc0 timer heartbeat backlight cpu0 cpu1 default-on forum
NAND in mainline kernel |