documentation: Update README

This commit is contained in:
dchvs 2021-03-17 17:43:06 -06:00
parent 316c75c672
commit 4acf8139e9
1 changed files with 18 additions and 15 deletions

View File

@ -24,10 +24,14 @@ source ~/.bashrc
### 2. Clone recursively the repository to the workspace's root to add the Jetpack+CTI 4.4.1 and Drivers MT9M021 and EG25-G
```bash
LINUX_FOR_TEGRA=<Linux_for_Tegra/ path>
KERNEL_LOCATION_FROM_BUILD_DIR=../../spiri-project/source/Jetpack/kernel/kernel-4.9/
KERNEL_LOCATION=$KERNEL_LOCATION_FROM_BUILD_DIR
cd $LINUX_FOR_TEGRA
git clone --recurse-submodules https://git.spirirobotics.com/dchvs/spiri-project.git
cd spiri-project
git checkout master
git submodule update --init --recursive --remote
```
@ -43,14 +47,14 @@ sudo ./install.sh
cd $LINUX_FOR_TEGRA/
mkdir -p builds/build_<this build name> && cd builds/build_<this build name>
mkdir build modules
mkdir build
# Create the Kernel configuration file
make -C ../../spiri-project/source/Jetpack/kernel/kernel-4.9/ ARCH=arm64 O=$PWD/build/ tegra_defconfig
make -C $KERNEL_LOCATION ARCH=arm64 O=$PWD/build/ tegra_defconfig
```
```bash
# Check for the Drivers with the "spiri" keyword
make -C ../../spiri-project/source/Jetpack/kernel/kernel-4.9/ ARCH=arm64 O=$PWD/build/ menuconfig
make -C $KERNEL_LOCATION ARCH=arm64 O=$PWD/build/ menuconfig
```
By default the Drivers are installed, the tegra_defconfig include them as:
@ -69,8 +73,7 @@ You can review it on the Kernel Menuconfig, and find it out in the following pat
```bash
# Build the Kernel, DTBs and modules
make -C ../../spiri-project/source/Jetpack/kernel/kernel-4.9/ ARCH=arm64 O=$PWD/build/ CROSS_COMPILE=${CROSS_COMPILE} -j8 --output-sync=target zImage dtbs modules
make -C ../../spiri-project/source/Jetpack/kernel/kernel-4.9/ ARCH=arm64 O=$PWD/build/ modules_install INSTALL_MOD_PATH=$PWD/modules
make -C $KERNEL_LOCATION ARCH=arm64 O=$PWD/build/ CROSS_COMPILE=${CROSS_COMPILE} -j8 --output-sync=target zImage dtbs modules
```
The deployed Kernel binaries after compilation could check if it has the Drivers in it, inspecting on it with rgrep:
@ -84,14 +87,12 @@ Once the Kernel it's compiled, the output binaries should get installed on the J
```bash
# Location for the Kernel files to be found by Tegra flash.sh script in full image installation
+-----------------------------+ +--------------+
+------------------------------------+ +---------------------+
| build/arch/arm64/boot/Image | --> | kernel/Image |
+-----------------------------+ +--------------+
+-----------------------------+ +-------------+
+------------------------------------+ +---------------------+
+------------------------------------+ +---------------------+
| build/arch/arm64/boot/dts/* | --> | kernel/dtb/ |
+-----------------------------+ +-------------+
+------------------------------------+ +---------------------+
+------------------------------------+ +---------------------+
| modules/lib/modules/4.9.140-tegra/ | --> | rootfs/lib/modules/ |
+------------------------------------+ +---------------------+
@ -99,10 +100,12 @@ Once the Kernel it's compiled, the output binaries should get installed on the J
```
# Add the Kernel files for full image installation
# Install the Kernel Image and DTBs
make -C ../../spiri-project/source/Jetpack/kernel/kernel-4.9/ ARCH=arm64 O=$PWD/build/ kernel_install INSTALL_PATH=$PWD/../../kernel/
make -C $KERNEL_LOCATION ARCH=arm64 O=$PWD/build/ kernel_install INSTALL_PATH=$PWD/../../kernel/
# Install the Drivers modules
sudo make -C ../../spiri-project/source/Jetpack/kernel/kernel-4.9/ ARCH=arm64 O=$PWD/build/ modules_install INSTALL_MOD_PATH=$PWD/../../rootfs/
sudo make -C $KERNEL_LOCATION ARCH=arm64 O=$PWD/build/ modules_install INSTALL_MOD_PATH=$PWD/../../rootfs/
```
In order to flash the target device, do the following commands from the workspace's root: