Dobrica Pavlinušić's random unstructured stuff
CubieBoard: Revision 30
BreadBoard V1.0 03-25 For CubieBoard.pdf



A20

NAND in mainline kernel

Samsung K9GBG08U0A NAND

u-boot

HELLO! BOOT0 is starting!
boot0 version : 1.5.1
dram size =1024
Succeed in opening nand flash.
Succeed in reading Boot1 file head.
The size of Boot1 is 0x0003c000.
The file stored in 0X00000000 of block 2 is perfect.
Check is correct.
Ready to disable icache.
Succeed in loading Boot1.
Jump to Boot1.
[       0.133] boot1 version : 1.4.0
[       0.133] pmu type = 3
[       0.134] bat vol = 0
[       0.161] axi:ahb:apb=3:2:2
[       0.161] set dcdc2=1400, clock=1008 successed
[       0.163] key
[       0.175] no key found
[       0.175] flash init start
[       4.051] flash init finish
[       4.052] fs init ok
[       4.053] fattype FAT16
[       4.053] fs mount ok
[       4.060] script finish
[       4.061] power finish
[       4.069] BootMain start
[       4.069] 13
[       4.089] key value = 0
[       4.089] recovery key high 6, low 4
[       4.090] unable to find fastboot_key key_max value
[       4.098] test for multi os boot with display
[       4.100] show pic finish
[       4.103] load kernel start
[       4.127] load kernel successed
[       4.127] start address = 0x4a00000

U-Boot 2011.09-rc1 (Nov 26 2012 - 14:01:52) Allwinner Technology 

CPU:   SUNXI Family
Board: A10-EVB
DRAM:  512 MiB
NAND:  3776 MiB
In:    serial
Out:   serial
Err:   serial
--------fastboot partitions--------
-total partitions:11-
-name-        -start-       -size-      
bootloader  : 1000000       1000000     
env         : 2000000       1000000     
boot        : 3000000       2000000     
system      : 5000000       14000000    
data        : 19000000      20000000    
misc        : 39000000      1000000     
recovery    : 3a000000      2000000     
cache       : 3c000000      8000000     
private     : 44000000      1000000     
sysrecovery : 45000000      14000000    
UDISK       : 59000000      93000000    
-----------------------------------
Hit any key to stop autoboot:  0 
sunxi#

compile

dpavlin@klin:/klin/u-boot$ cp configs/Cubieboard_defconfig .config

# add NAND, MTD options, A10 for cubieboard1

# compile while defining flash:

dpavlin@klin:/klin/u-boot$ cat build-cubieboard.sh 
make V=1 CONFIG_NAND_SUNXI_SPL_ECC_STRENGTH=40 CONFIG_SYS_NAND_PAGE_SIZE=4036 CONFIG_SYS_NAND_OOBSIZE=640 CONFIG_SYS_NAND_BLOCK_SIZE=0x100000


dpavlin@cubieboard:~$ scp 10.60.0.92:/klin/u-boot/u-boot*spl* .

dpavlin@cubieboard:~$ sudo dd if=u-boot-sunxi-with-spl.bin of=/dev/mmcblk0 bs=1024 seek=8 
488+1 records in
488+1 records out
500154 bytes (500 kB) copied, 0.0423498 s, 11.8 MB/s


pinout

  **U14 (Next to SATA connector)**
  **SPI0**
48 PI13 (SPI0-MISO/UART6-RX/EINT25) 47 PI11 (SPI0-CLK/UART5-RX/EINT23)
46 PI12 (SPI0-MOSI/UART6-TX/EINT24) 45 PI10 (SPI0-CS/UART5-TX/EINT22)
  **LCD**
44 3.3V (nc in 2012-08-08) 43 VCC-5V
42 Ground 41 SPDIF
40 PB10 (LCD0-SCK/LCD-PIO1) 39 PB11 (LCD0-SDA/LCD-PIO2)
38 Ground 37 PH7 (LCD0-BL-EN/LCD-PIO0/UART5-RX/EINT7)
36 XN_TP (TP-X2) 35 YN_TP (TP-Y2)
34 XP_TP (TP-X1) 33 YP_TP (TP-Y1)
32 PD25 (LCDDE) 31 PB2 (PWM0)
30 PD26 (LCDHSYNC)-VGA-HSYNC 29 PD24 (LCDCLK)
28 PD23 (LCDD23) 27 PD27 (LCDVSYNC)-VGA-VSYNC
26 PD21 (LCDD21) 25 PD22 (LCDD22)
24 PD19 (LCDD19/LVDS1N3) 23 PD20 (LCDD20)
22 PD17 (LCDD17/LVDS1NC) 21 PD18 (LCDD18/LVDS1P3)
20 Ground 19 PD16 (LCDD16/LVDS1PC)
18 PD14 (LCDD14/LVDS1P2) 17 PD15 (LCDD15/LVDS1N2)
16 PD12 (LCDD12/LVDS1P1) 15 PD13 (LCDD13/LVDS1N1)
14 PD10 (LCDD10/LVDS1P0) 13 PD11 (LCDD11/LVDS1N0)
12 PD8 (LCDD8/LVDS0P3) 11 PD9 (LCDD9/LVDS0N3)
10 PD7 (LCDD7/LVDS0NC) 9 Ground
8 PD5 (LCDD5/LVDS0N2) 7 PD6 (LCDD6/LVDS0PC)
6 PD3 (LCDD3/LVDS0N1) 5 PD4 (LCDD4/LNVS0P2)
4 PD1 (LCDD1/LVDS0N0) 3 PD2 (LCDD2/LVDS0P1)
2 Ground 1 PD0 (LCDD0/LVDSP0)
  **U15 (Between Ethernet port and USB ports)**
  **CSI1/TS**
1 VCC-5V 2 PH15 (CSI1-PWR/EINT15)
3 CSI1-IO-2V8 4 PH14 (CSI1-RST#/EINT14)
5 PG0 (CSI1-PCLK/SDC1-CMD) 6 PB18 (TWI1-SCK)
7 PB19 (TWI1-SDA) 8 PG3 (CSI1-VSYNC/SDC1-D1)
9 PG2 (CSI1-HSYNC/SDC1-D0) 10 PG1 (CSI1-MCLK/SDC1-CLK)
11 PG4 (CSI1-D0/SDC1-D2) 12 PG5 (CSI1-D1/SDC1-D3)
13 PG6 (CSI1-D2/UART3-TX) 14 PG7 (CSI1-D3/UART3-RX
15 PG8 (CSI1-D4/UART3-RTS) 16 PG9 (CSI1-D5/UART3-CTS)
17 PG10 (CSI1-D6/UART4-TX) 18 PG11 (CSI1-D7/UART4-RX)
19 Ground 20 Ground
  Analog SDIO3
21 FMINL 22 PI4 (SDC3-CMD)
23 FMINR 24 PI5 (SDC3-CLK)
25 Ground 26 PI6 (SDC3-D0)
27 VGA-R 28 PI7 (SDC3-D1)
29 VGA-G 30 PI8 (SDC3-D2)
31 VGA-B 32 PI9 (SDC3-D3)
  CSI0/TS
33 LCD1-VSYNC 34 PE4 (CSI0-D0)
35 LCD1-HSYNC 36 PE5 (CSI0-D1)
37 Ground 38 PE6 (CSI0-D2)
39 AVCC 40 PE7 (CSI0-D3)
41 LRADC0 42 PE8 (CSI0-D4)
43 CVBS 44 PE9 (CSI0-D5)
45 HPL 46 PE10 (CSI0-D6)
47 HPR 48 PE11 (CSI0-D7)


everything below line is for legacy kernel and quite old

disk speed

NAND

root@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



SATA

Powered by 2A Nexus 7 power supply (for SATA)

https://groups.google.com/d/searchin/cubieboard/sata/cubieboard/hKJgJneGVmQ/xme3w4Y7XtsJ?fromplusone=1

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

GPIO

Camera

OV7670 is supported http://linux-sunxi.org/CSI

hardware

pinout: gpio_defination_large.jpg

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

LEDs

dpavlin@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 

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