BeagleBone Green Wireless

Build All


參考資訊:
1. BeagleBone+Black

Toolchain

$ cd ~/Downloads
$ wget -c https://releases.linaro.org/components/toolchain/binaries/6.3-2017.05/arm-linux-gnueabihf/gcc-linaro-6.3.1-2017.05-x86_64_arm-linux-gnueabihf.tar.xz
$ tar xf gcc-linaro-6.3.1-2017.05-x86_64_arm-linux-gnueabihf.tar.xz
$ export CC=`pwd`/gcc-linaro-6.3.1-2017.05-x86_64_arm-linux-gnueabihf/bin/arm-linux-gnueabihf-

UBoot

$ cd ~/Downloads
$ git clone https://github.com/u-boot/u-boot
$ cd u-boot/
$ git checkout v2017.09-rc2 -b tmp
$ wget -c https://rcn-ee.com/repos/git/u-boot-patches/v2017.09-rc2/0001-am335x_evm-uEnv.txt-bootz-n-fixes.patch
$ wget -c https://rcn-ee.com/repos/git/u-boot-patches/v2017.09-rc2/0002-U-Boot-BeagleBone-Cape-Manager.patch
$ patch -p1 < 0001-am335x_evm-uEnv.txt-bootz-n-fixes.patch
$ patch -p1 < 0002-U-Boot-BeagleBone-Cape-Manager.patch
$ make ARCH=arm CROSS_COMPILE=${CC} distclean
$ make ARCH=arm CROSS_COMPILE=${CC} am335x_evm_defconfig
$ make ARCH=arm CROSS_COMPILE=${CC}

Kernel 4.12

$ cd ~/Downloads
$ git clone https://github.com/RobertCNelson/bb-kernel
$ cd bb-kernel/
$ git checkout origin/am33x-v4.12 -b tmp
$ ./build_kernel.sh

RootFS(debian:temppwd, root:root)

$ cd ~/Downloads
$ wget -c https://rcn-ee.com/rootfs/eewiki/minfs/debian-9.1-minimal-armhf-2017-08-08.tar.xz
$ xz -d debian-9.1-minimal-armhf-2017-08-08.tar.xz
$ tar xvf debian-9.1-minimal-armhf-2017-08-08.tar

MicroSD

Partion 1(BOOT): fat32
Partion 2(RootFS): ext4
P.S. reformat fat32 in Windows OS

Prepare system

$ cp ~/Downloads/u-boot/MLO /media/steward/BOOT/
$ cp ~/Downloads/u-boot/u-boot.img /media/steward/BOOT/
$ sudo mkdir /media/steward/rootfs/boot/
$ sudo vim /media/steward/rootfs/boot/uEnv.txt
  ##This will work with: Angstrom's 2013.06.20 u-boot. 
  uname_r=4.12.11-bone3
  loadaddr=0x82000000
  fdtaddr=0x88000000
  rdaddr=0x88080000  
  initrd_high=0xffffffff
  fdt_high=0xffffffff
  #for single partitions:
  mmcroot=/dev/mmcblk0p1
  loadximage=load mmc 0:1 ${loadaddr} /boot/vmlinuz-${uname_r}
  loadxfdt=load mmc 0:1 ${fdtaddr} /boot/dtbs/${uname_r}/${fdtfile}
  loadxrd=load mmc 0:1 ${rdaddr} /boot/initrd.img-${uname_r}; setenv rdsize ${filesize}
  loaduEnvtxt=load mmc 0:1 ${loadaddr} /boot/uEnv.txt ; env import -t ${loadaddr} ${filesize};
  loadall=run loaduEnvtxt; run loadximage; run loadxfdt;
  mmcargs=setenv bootargs console=tty0 console=${console} ${optargs} ${cape_disable} ${cape_enable} root=${mmcroot} rootfstype=${mmcrootfstype} ${cmdline}
  uenvcmd=run loadall; run mmcargs; bootz ${loadaddr} - ${fdtaddr};

$ sudo tar xvfp ~/Downloads/debian-9.1-minimal-armhf-2017-08-08/armhf-rootfs-debian-stretch.tar -C /media/steward/rootfs/
$ sudo cp ~/Downloads/bb-kernel/deploy/4.12.11-bone3.zImage /media/steward/rootfs/boot/vmlinuz-4.12.11-bone3
$ sudo mkdir -p /media/steward/rootfs/boot/dtbs/4.12.11-bone3
$ sudo tar xvf ~/Downloads/bb-kernel/deploy/4.12.11-bone3-dtbs.tar.gz -C /media/steward/rootfs/boot/dtbs/4.12.11-bone3/
$ sudo tar xvf ~/Downloads/bb-kernel/deploy/4.12.11-bone3-modules.tar.gz -C /media/steward/rootfs/

1. 插入SDCard到BBGW
2. 按住Boot Button
3. 插入USB電源開機

U-Boot SPL 2017.03-00002-gd12b1519b4 (Mar 14 2017 - 10:28:26)
Trying to boot from MMC1


U-Boot 2017.03-00002-gd12b1519b4 (Mar 14 2017 - 10:28:26 -0500), Build: jenkins-github_Bootloader-Builder-532

CPU  : AM335X-GP rev 2.1
I2C:   ready
DRAM:  512 MiB
Reset Source: Power-on reset has occurred.
MMC:   OMAP SD/MMC: 0, OMAP SD/MMC: 1
Using default environment

<ethaddr> not set. Validating first E-fuse MAC
BeagleBone Black:
Model: SeeedStudio BeagleBone Green Wireless:
BeagleBone: cape eeprom: i2c_probe: 0x54:
BeagleBone: cape eeprom: i2c_probe: 0x55:
BeagleBone: cape eeprom: i2c_probe: 0x56:
BeagleBone: cape eeprom: i2c_probe: 0x57:
Net:   eth0: MII MODE
Could not get PHY for cpsw: addr 0
cpsw
Press SPACE to abort autoboot in 2 seconds
board_name=[A335BNLT] ...
board_rev=[GW1A] ...
switch to partitions #0, OK
mmc0 is current device
SD/MMC found on device 0
** Bad device 0:2 0x82000000 **
** Bad device 0:2 0x82000000 **
switch to partitions #0, OK
mmc0 is current device
Scanning mmc 0:1...
gpio: pin 56 (gpio 56) value is 0
gpio: pin 55 (gpio 55) value is 0
gpio: pin 54 (gpio 54) value is 0
gpio: pin 53 (gpio 53) value is 1
switch to partitions #0, OK
mmc0 is current device
gpio: pin 54 (gpio 54) value is 1
Checking for: /uEnv.txt ...
Checking for: /boot.scr ...
Checking for: /boot/boot.scr ...
Checking for: /boot/uEnv.txt ...
gpio: pin 55 (gpio 55) value is 1
806 bytes read in 22 ms (35.2 KiB/s)
Loaded environment from /boot/uEnv.txt
Checking if uname_r is set in /boot/uEnv.txt...
gpio: pin 56 (gpio 56) value is 1
Running uname_boot ...
loading /boot/vmlinuz-4.12.11-bone3 ...
8213504 bytes read in 539 ms (14.5 MiB/s)
loading /boot/dtbs/4.12.11-bone3/am335x-bonegreen-wireless.dtb ...
54663 bytes read in 64 ms (834 KiB/s)
uboot_overlays: add [enable_uboot_overlays=1] to /boot/uEnv.txt to enable...
debug: [console=ttyO0,115200n8 root=/dev/mmcblk0p2 ro rootfstype=ext4 rootwait] ...
debug: [bootz 0x82000000 - 0x88000000] ...
## Flattened Device Tree blob at 88000000
   Booting using the fdt blob at 0x88000000
   Using Device Tree in place at 88000000, end 88010586

Starting kernel ...

開機的地方是從mmc1(eMMC則是mmc2)開始。


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