How to compile

Before you compile, please make sure these packages are installed:

sudo apt-get install openssl libssl-dev bison flex git make u-boot-tools libmpc-dev libgmp-dev python3-pip mtd-utils libncurses* mtools
pip install pycryptodomex pyelftools Crypto

Fetch the source code:

git clone https://github.com/sunplus-plus1/SP7021.git
cd SP7021
git submodule update --init --recursive
git submodule foreach git checkout master

Configure the build:

make config

Select your board:

Select boards:
[1] SP7021 Ev Board     [11] I143 Ev Board      [21] Q645 Ev Board      [31] SP7350 Ev Board
[2] LTPP3G2 Board       [12] I143 Zebu (ZMem)   [22] Q645 Zebu (ZMem)   [32] SP7350 Zebu (ZMem)
[3] SP7021 Demo Brd V2
[4] SP7021 Demo Brd V3
[5] BPI-F2S Board
[6] BPI-F2P Board
[7] LTPP3G2 Board (S+)

If you selected [1] or [11], please select the chip:

Select chip.
[1] Chip C
[2] Chip P

Select configs (C chip).
[1] eMMC
[2] SD Card

Select rootfs:
[1] BusyBox
[2] Full

If you want to change the kernel configuration, run:

make kconfig

after make config has completed.

Note 0: Please don't enter the linux/kernel folder and run "make menuconfig"

Note 1: For USB gadget support, please refer to here

Build the kernel:

make

If your local LANG is not english, please run

LANG=c make

When the build completes, you will find the image file in the out folder.

If you chose

• eMMC:
  • Copy out/ISPBOOOT.BIN to a USB stick, which should be a FAT32 filesystem
  • Update the eMMC from the USB stick: power off, set SW1 to on, SW2 to off, power on
  • Boot the kernel: power off, set SW1 to off, SW2 to off, power on
• SD Card:
  • the image file is out/boot2linux_SDcard/ISP_SD_BOOOT.img
  • write it to the sdcard: sudo dd if=ISP_SD_BOOOT.img of=/dev/sdX bs=1M, where /dev/sdX is your sdcard device
  • insert your sdcard in the board and boot: power off, set SW1 to on, SW2 to on, power on

For more information, please visit here