Mango310 buildroot (linuxfs) Release 2014-05-17 (kernel 2.6.35 )

http://www.mangoboard.com/
http://cafe.naver.com/embeddedcrazyboys

수정 부분

1. Audio 테스트 가능하도록 speaker-test , mplayer 추가

2. I2S Channel 0, 1 선택할 수 있도록 수정. 

소스 다운로드 

 http://crztech.iptime.org:8080/Release/mango310/linux/m310_k2635_linux_qt4_140517/ 

### how to compile

# u-boot 

./build_uboot

# kernel

##MANGO310

./build_kernel defconfig mango310_7inch_800_480_mrvl8787_defconfig

./build_kernel

##MANGOCM-V310

./build_kernel defconfig mangoCM-V310_7inch_800_480_mrvl8787_defconfig

./build_kernel

## buildroot

$ cp mango310_defconfig .config 

$ build_rootfs.sh 

src/udev-builtin-input_id.c: In function 'test_key':

src/udev-builtin-input_id.c:165: error: 'BTN_TRIGGER_HAPPY' undeclared (first use in this function)

src/udev-builtin-input_id.c:165: error: (Each undeclared identifier is reported only once

에러 발생 시

$ cp udev-builtin-input_id.c ./output/build/udev-182/src/udev-builtin-input_id.c

후 다시 컴파일

$ build_rootfs.sh 

## filesystem 

cd image

## 이미지 만들기

$ mkdir rootfs

$ tar xf rootfs.tgz -C rootfs

$ sudo ./make_ext4fs -s -l 419430400 rootfs.img rootfs

Creating filesystem with parameters:

    Size: 314572800

    Block size: 4096

    Blocks per group: 32768

    Inodes per group: 6400

    Inode size: 256

    Journal blocks: 1200

    Label:

    Blocks: 76800

    Block groups: 3

    Reserved block group size: 23

Created filesystem with 3974/19200 inodes and 36225/76800 blocks

linux pc SD 카드 삽입

[kjycrz@kjycrz-64bit image]$ df

Filesystem     1K-blocks      Used Available Use% Mounted on

/dev/sda1       28835836   5707324  21663732  21% /

udev             1995288         4   1995284   1% /dev

tmpfs             801636      2352    799284   1% /run

none                5120         0      5120   0% /run/lock

none             2004088       148   2003940   1% /run/shm

/dev/sda2      922788748 164029964 711883804  19% /home

/dev/sdb1        7753728        32   7753696   1% /media/8DA8-058F

또는 

# dmesg |tail

[119995.938825] sd 24:0:0:0: [sdb] Write Protect is off

[119995.938830] sd 24:0:0:0: [sdb] Mode Sense: 03 00 00 00

[119995.939574] sd 24:0:0:0: [sdb] No Caching mode page found

[119995.939579] sd 24:0:0:0: [sdb] Assuming drive cache: write through

[119995.942698] sd 24:0:0:0: [sdb] No Caching mode page found

[119995.942702] sd 24:0:0:0: [sdb] Assuming drive cache: write through

[119995.944038]  sdb: sdb1

[119995.946574] sd 24:0:0:0: [sdb] No Caching mode page found

[119995.946579] sd 24:0:0:0: [sdb] Assuming drive cache: write through

[119995.946583] sd 24:0:0:0: [sdb] Attached SCSI removable disk

위에서 sdb를 인식한것을 확인할 수 있습니다.

cd image

$ sudo ./sdwriter sdb 310

###  

보드에 SD카드 삽입

## Mango310 Bootargs Setting 

# setenv bootcmd "movi read kernel 0 40008000;bootm 40008000"

# setenv bootargs 'root=/dev/mmcblk0p2 rw rootfstype=ext4 init=/sbin/init console=ttySAC1,115200 rootdelay=3'

# save

장비를 터미널을 통해서 디버그 포트에서 접속을 하면 아이디와 비번을 입력하게 된다. root/root 

mango310 login :

password :