Rugged board A5D2x

Rugged board is made using microchip SoC (SAMA5d27x).

Documents:

Rugged Board data : here

SoC : sama5d2x : Details: here Datasheet: here

How to make arm hardware (rugged board) ?

Rugged board makes with

microchip SoC sama5d2x + (PMIC & ext RAM & NOR flash) + ext periperals(eth,usb,expansion card,etc)

Name	name	features	docs
SoC	sama5d2x		ref
SoM	phycore-a5d2x		ref
SBC	rugged board a5d2x		ref

SoC

Block diagram: SAM A5d2x (microchip)

sama5d2x

SoM

SBC

Boot Process: rugged Board a5d2x

• Power on Board

• Boot ROM

• SPL (bootstap=boot.bin)

• PBL (u-boot=u-boot.bin)

• kernel (linux=zImage)

• rootfs

	For Rugged board a5d2x
Power on Board
Boot ROM	BOOTROM code (in SROM of SoC) will excute in SRAM
	bootrom code will find PL from sdcard|NAND|NOR using bootconfig pins
	bootrom code will load PL to SRAM
bootstrap	PL will intialize your ext RAM and loads SL to ext RAM
u-boot	u-boot loads kernel
kernel	kernel loads rootfs to ext ram
rootfs	rootfs runs in ext ram and start init process that can run other services

#for more info click here reference

Board Flashing images

1. How to flash images using SD Card

• make sd card 2 partitions (boot, rootfs) reference

• download pre compile images link

• copy images to sdcard

make sdcard partition

1. See reference video

copy to sdcard

test on board

2. How to flash images using "NOR flash"

• make sd card 2 partitions (boot, root)

• download pre compile images & copy images to sdcard

• use below commands to flash images from sdcard to NOR flash

make sdcard partition

1. SDCARD Partition Reference video

2. Click here to Download images and copy images to sdcard

$ cd RBNR-20.0.0
$ cp boot.bin qspi_boot.bin
$ cp u-boot.bin qspi_u-boot.bin
$ cp qspi_boot.bin qspi_u-boot.bin /media/$USER/boot
$ sync
$ umount /media/$USER/boot

3. Flashing on Board

on board flash to NOR

Compile BSP sources

Install Dependency packages in ubuntu 16.04 +

run below command in your ubuntu terminal.

sudo apt-get update
sudo apt-get -y install git-core flex bison gperf zip zlib1g-dev build-essential gettext texinfo
sudo apt-get -y install  fakeroot gnupg libsdl1.2-dev squashfs-tools u-boot-tools expect libncurses5-dev
sudo apt-get -y install minicom lrzsz tftpd-hpa nfs-kernel-server nfs-common portmap patch vim gawk libncursesw5-dev
sudo apt-get -y install xinetd tftpd tftp ctags quilt

1. ARM Toolchain setup

$ mkdir yoctotutor
$ mkdir yoctotutor/toolchain
$ cd yoctotutor/toolchain

$ cd toolchain
$ wget https://files.linux4sam.org/pub/demo/yocto-sdk/poky-atmel-glibc-x86_64-microchip-headless-image-cortexa5t2hf-neon-vfpv4-sama5d27-wlsom1-ek-sd-toolchain-3.1.4.sh
$ chmod 777 poky-atmel-glibc-x86_64-microchip-headless-image-cortexa5t2hf-neon-vfpv4-sama5d27-wlsom1-ek-sd-toolchain-3.1.4.sh
$ ./poky-atmel-glibc-x86_64-microchip-headless-image-cortexa5t2hf-neon-vfpv4-sama5d27-wlsom1-ek-sd-toolchain-3.1.4.sh
        # press "." to install sdk in current directory
$ source environment-setup-cortexa5t2hf-neon-vfpv4-poky-linux-gnueabi

2. at91Bootstrap Compilation

Don't Forget to run Toolchain env before compiling

Download & compile

### Download at91bootstrap source ###

$ cd ~/yoctotutor
$ git clone https://github.com/rugged-board/at91bootstrap-rba5d2x.git
$ cd at91bootstrap-rba5d2x
$ git checkout origin/at91bootstrap-rba5d2x_v3.8.12

### Compilation ###

$ cd at91bootstrap-rba5d2x
$ source ~/yoctotutor/toolchain/environment-setup-cortexa5t2hf-neon-vfpv4-poky-linux-gnueabi
$ make mrproper
$ make rugged_board_a5d2xsd1_uboot_defconfig       # For SDCARD 
                or
$ make rugged_board_a5d2xqspi_uboot_defconfig      # For NOR Flash
$ make

$ ls binaries/                # boot.bin is output

output boot.bin is created in binaries/ dir

For Testing images click sdcard image | NOR image

3. U-boot Compilation

Don't Forget to run Toolchain env before compiling

Download U-Boot

### Download U-boot source ###

cd ~/yoctotutor
git clone https://github.com/rugged-board/uboot-rba5d2x.git
cd uboot-rba5d2x
git checkout uboot-rba5d2x

### Compile ###

$ cd ~/yoctotutor/uboot-rba5d2x
$ source ~/yoctotutor/toolchain/environment-setup-cortexa5t2hf-neon-vfpv4-poky-linux-gnueabi
$ make mrproper
$ make rugged_board_a5d2x_mmc1_defconfig                # for SDCARD
                or
$ make rugged_board_a5d2x_qspiflash_defconfig           # for NOR Flash
$ make -j4

For Testing images click sdcard image | NOR image

4. Linux Kernel Compilation

step-1: download Linux kernel

Download Linux

### download linux ###

$ cd ~/yoctotutor
$ git clone https://github.com/rugged-board/linux-rba5d2x.git
$ cd linux-rba5d2x
$ git checkout origin/linux-rba5d2x

### Compile Linux ###

$ cd ~/yoctotutor/linux-rba5d2x
$ source ~/yoctotutor/toolchain/environment-setup-cortexa5t2hf-neon-vfpv4-poky-linux-gnueabi
$ make mrproper
$ make rb_a5d2x_defconfig
$ make -j4

Copy zimage and 5d2x-rugged_board.dtb to sdcard. zImage: arch/arm/boot/zImage oftree: arch/arm/boot/dts/a5d2x-rugged_board.dtb

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Advanced Topics

Device tree and Device driver api and application

GPIO

click here

I2C

SPI