docs(GCC_Toolchain): Update the cross compile and sysroot paths for AM335x/AM437x

Documentation update for the cross compile and sysroot paths specific to AM335x/AM437x different from other sitara platforms

Signed-off-by: Telukula Jeevan Kumar Sahu <[email protected]>

Author: jeevantelukula

source/linux/Overview/GCC_ToolChain.rst

@@ -9,12 +9,22 @@ GCC ToolChain Setup
 
 Before compiling any of the sources referenced in this document, set the cross compiler paths to the toolchains packaged in the Processor SDK [Recommended] as shown below. Refer to :ref:`yocto-toolchain` section for more details on usage.
 
-.. code-block:: console
+.. ifconfig:: CONFIG_part_variant in ('AM335X', 'AM437X')
+
+   .. code-block:: console
+
+      host# export CROSS_COMPILE_64="${SDK_INSTALL_DIR}/linux-devkit/sysroots/x86_64-arago-linux/usr/bin/arm-oe-linux-gnueabi/arm-oe-linux-gnueabi-"
+      host# export SYSROOT_64="${SDK_INSTALL_DIR}/linux-devkit/sysroots/armv7at2hf-neon-oe-linux-gnueabi"
+      host# export CC_64="${CROSS_COMPILE_64}gcc --sysroot=${SYSROOT_64}"
 
-   host# export CROSS_COMPILE_64="${SDK_INSTALL_DIR}/linux-devkit/sysroots/x86_64-arago-linux/usr/bin/aarch64-oe-linux/aarch64-oe-linux-"
-   host# export SYSROOT_64="${SDK_INSTALL_DIR}/linux-devkit/sysroots/aarch64-oe-linux"
-   host# export CC_64="${CROSS_COMPILE_64}gcc --sysroot=${SYSROOT_64}"
-   host# export CROSS_COMPILE_32="${SDK_INSTALL_DIR}/k3r5-devkit/sysroots/x86_64-arago-linux/usr/bin/arm-oe-eabi/arm-oe-eabi-"
+.. ifconfig:: CONFIG_part_variant not in ('AM335X', 'AM437X')
+
+   .. code-block:: console
+
+      host# export CROSS_COMPILE_64="${SDK_INSTALL_DIR}/linux-devkit/sysroots/x86_64-arago-linux/usr/bin/aarch64-oe-linux/aarch64-oe-linux-"
+      host# export SYSROOT_64="${SDK_INSTALL_DIR}/linux-devkit/sysroots/aarch64-oe-linux"
+      host# export CC_64="${CROSS_COMPILE_64}gcc --sysroot=${SYSROOT_64}"
+      host# export CROSS_COMPILE_32="${SDK_INSTALL_DIR}/k3r5-devkit/sysroots/x86_64-arago-linux/usr/bin/arm-oe-eabi/arm-oe-eabi-"
 
 If the Processor SDK is not installed, the Arm GNU toolchains can be downloaded and setup. Refer to :ref:`external-arm-toolchain` section for more details on usage.
 
@@ -46,22 +56,43 @@ The |__SDK_FULL_NAME__| package comes with this toolchain preinstalled at linux-
 directory within the SDK. Below paths are relative to the <SDK_INSTALL_DIR> and will be
 referred to using the first column in the following sections.
 
-.. list-table:: Linux Devkit Contents
-   :widths: 20 30 50
-   :header-rows: 1
-
-   * - Variable
-     - Location
-     - Description
-   * - CROSS_COMPILE_64
-     - linux-devkit/sysroots/x86_64-arago-linux/usr/bin/aarch64-oe-linux/aarch64-oe-linux-
-     - Cross compiler toolchain for the ARMv8 architecture
-   * - SYSROOT_64
-     - linux-devkit/sysroots/aarch64-oe-linux/
-     - Sysroot with the cross compiled libraries and headers for the ARMv8 architecture with Linux OS
-   * - ENV_SETUP_64
-     - linux-devkit/environment-setup-aarch64-oe-linux
-     - Shell script that sets environment variables to compile binaries for the ARMv8 linux target
+.. ifconfig:: CONFIG_part_variant in ('AM335X', 'AM437X')
+
+   .. list-table:: Linux Devkit Contents
+      :widths: 20 30 50
+      :header-rows: 1
+
+      * - Variable
+        - Location
+        - Description
+      * - CROSS_COMPILE_64
+        - linux-devkit/sysroots/x86_64-arago-linux/usr/bin/arm-oe-linux-gnueabi/arm-oe-linux-gnueabi-
+        - Cross compiler toolchain for the ARMv8 architecture
+      * - SYSROOT_64
+        - linux-devkit/sysroots/armv7at2hf-neon-oe-linux-gnueabi/
+        - Sysroot with the cross compiled libraries and headers for the ARMv8 architecture with Linux OS
+      * - ENV_SETUP_64
+        - linux-devkit/environment-setup-armv7at2hf-neon-oe-linux-gnueabi
+        - Shell script that sets environment variables to compile binaries for the ARMv8 linux target
+
+.. ifconfig:: CONFIG_part_variant not in ('AM335X', 'AM437X')
+
+   .. list-table:: Linux Devkit Contents
+      :widths: 20 30 50
+      :header-rows: 1
+
+      * - Variable
+        - Location
+        - Description
+      * - CROSS_COMPILE_64
+        - linux-devkit/sysroots/x86_64-arago-linux/usr/bin/aarch64-oe-linux/aarch64-oe-linux-
+        - Cross compiler toolchain for the ARMv8 architecture
+      * - SYSROOT_64
+        - linux-devkit/sysroots/aarch64-oe-linux/
+        - Sysroot with the cross compiled libraries and headers for the ARMv8 architecture with Linux OS
+      * - ENV_SETUP_64
+        - linux-devkit/environment-setup-aarch64-oe-linux
+        - Shell script that sets environment variables to compile binaries for the ARMv8 linux target
 
 .. rubric:: Target Sysroot
    :name: cross-compiled-libraries
@@ -133,7 +164,7 @@ libraries.
    .. code-block:: c
 
       #include <stdio.h>
-      
+
       int main() {
           printf ("Hello World from TI!!!\n");
           return 0;
@@ -202,7 +233,6 @@ directory within the SDK. Below paths are relative to the <SDK_INSTALL_DIR>.
 
 |
 
-
 .. _external-arm-toolchain:
 
 ARM toolchains