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ATF Build Instructions
======================
This section describes how to compile the ARM Trusted Firmware (ATF) project for Marvell's platforms.
Build Instructions
------------------
1. Set the cross compiler:
# export CROSS_COMPILE=/path/to/toolchain/aarch64-marvell-linux-gnu-
2. Set path for FIP images:
Set U-Boot image path (relatively to ATF root or absolute path)
# export BL33=path/to/u-boot.bin
For example: if U-Boot project (and its images) is located at ~/project/u-boot,
BL33 should be ~/project/u-boot/u-boot.bin
Note: u-boot.bin should be used and not u-boot-spl.bin
Set MSS/SCP image path (only for Armada70x0, Armada80x0):
# export SCP_BL2=path/to/scp_image.bin
3. Armada37x0 build requires WTP tools installation.
See below in the section "Tools Installation for Armada37x0 Builds".
Install ARM 32-bit cross compiler, which is required by building WTMI image for CM3.
# sudo apt-get install gcc-arm-linux-gnueabi
4. Clean previous build residuals (if any):
# make distclean
5. Build ATF:
There are several build options:
- DEBUG: default is without debug information (=0). in order to enable it use DEBUG=1
- LOG_LEVEL: defines the level of logging which will be purged to the default output port.
LOG_LEVEL_NONE 0
LOG_LEVEL_NOTICE 10
LOG_LEVEL_ERROR 20
LOG_LEVEL_WARNING 30
LOG_LEVEL_INFO 40
LOG_LEVEL_VERBOSE 50
- USE_COHERENT_MEM: This flag determines whether to include the coherent memory region in the
BL memory map or not. It should be set to 0.
- MARVELL_SECURE_BOOT: build trusted(=1)/non trusted(=0) image, default is non trusted.
- MV_DDR_PATH: For A7/8K only, use this parameter to point to mv_ddr driver sources to allow BLE build.
Usage example: MV_DDR_PATH=path/to/mv_ddr
when this parameter is not set, the mv_ddr sources are expected to be located at:
drivers/marvell/mv_ddr
- DDR_TOPOLOGY: For Armada37x0 only, the DDR topology map index, default is 0.
Supported Options:
- DDR3 1CS (0): DB-88F3720-DDR3-Modular (512MB); EspressoBIN (512MB)
- DDR4 1CS (1): DB-88F3720-DDR4-Modular (512MB)
- DDR3 2CS (2): EspressoBIN (1GB)
- CLOCKSPRESET: For Armada37x0 only, the clock tree configuration preset including CPU and DDR frequency,
default is CPU_800_DDR_800.
- CPU_600_DDR_600 - CPU at 600 MHz, DDR at 600 MHz
- CPU_800_DDR_800 - CPU at 800 MHz, DDR at 800 MHz
- CPU_1000_DDR_800 - CPU at 1000 MHz, DDR at 800 MHz
- BOOTDEV: For Armada37x0 only, the flash boot device, default is SPINOR,
Now Armada37x0 only supports SPINOR, SPINAND, EMMCNORM and SATA.
- SPINOR - SPI NOR flash boot
- SPINAND - SPI NAND flash boot
- EMMCNORM - eMMC Download Mode
Download boot loader or program code from eMMC flash into CM3 or CA53
Requires full initialization and command sequence
- SATA - SATA device boot
- PARTNUM: For Armada37x0 only, the boot partition number, default is 0. To boot from eMMC, the value
should be aligned with the parameter in u-boot with name of CONFIG_SYS_MMC_ENV_PART, whose
value by default is 1.
For detail about CONFIG_SYS_MMC_ENV_PART, please refer to u-boot build instructions.
For example: in order to build the image in debug mode with log level up to 'notice' level run:
# make DEBUG=1 USE_COHERENT_MEM=0 LOG_LEVEL=20 PLAT=<MARVELL_PLATFORM> all fip
And if we want to build a Armada37x0 image in debug mode with log level up to 'notice' level run,
the image has the preset CPU at 1000 MHz, preset DDR3 at 800 MHz, the DDR topology of DDR3 2CS,
the image boot from SPI NOR flash partition 0, and the image is non trusted in wtp, the command
line is as following:
# make DEBUG=1 USE_COHERENT_MEM=0 LOG_LEVEL=20 SECURE=0 CLOCKSPRESET=CPU_1000_DDR_800 \
DDR_TOPOLOGY=2 BOOTDEV=SPINOR PARTNUM=0 PLAT=a3700 all fip
Supported MARVELL_PLATFORM are:
- a3700
- a70x0
- a70x0_cust (for customers)
- a80x0
- a80x0_cust (for customers)
Special Build Flags
--------------------
- PALLADIUM: Enables building ATF for palladium target. This mainly involves changing the UART baud rate
and the timer frequency to a lower values to match palladium's setup.
(for more information about build options, please refer to section 'Summary of build options' in ATF user-guide:
https://github.com/ARM-software/arm-trusted-firmware/blob/master/docs/user-guide.md)
Build output
-------------
Marvell's ATF compilation generates 7 files:
- ble.bin - BLe image
- bl1.bin - BL1 image
- bl2.bin - BL2 image
- bl31.bin - BL31 image
- fip.bin - FIP image (contains BL2, BL31 & BL33 (U-Boot) images)
- boot-image.bin - ATF image (contains BL1 and FIP images)
- flash-image.bin - Image which contains boot-image.bin and SPL image; should be placed on the boot flash/device.
Tools Installation for Armada37x0 Builds
-----------------------------------
1. Extract the tools/wtp/WTPTP_TOOLS_x_x_xx.zip into a temporary directory
# cd tools/wtp
# 7z x WTPTP_TOOLS_x_x_xx.zip
2. If required, add executable permissions to files in the extracted
WTPTP_TOOLS_x_x_xx/Linux_Tools folder:
# sudo chmod a+x WTPTP_TOOLS_x_x_xx/Linux_Tools/*.exe
3. Copy executable files from WTPTP_TOOLS_x_x_xx/Linux_Tools
to location pointed to $PATH environment variable.
For instance:
# sudo cp WTPTP_TOOLS_x_x_xx/Linux_Tools/*.exe /usr/local/bin
4. Make sure the "ntbb_linux.exe" can be executed from any
location and "make" passes without error.
5. Install a cross GNU ARM tool chain for building the WTMI binary.
Any cross GNU ARM tool chain able to build ARM Cortex M3 binaries
is suitable.
On Debian/Uboot hosts the default GNU ARM tool chain can be installed
using the following command:
# sudo apt-get install gcc-arm-linux-gnueabi
If required, the default tool chain prefix "arm-linux-gnueabi-" can be
overwritten using environment variable CROSS_CM3.
Example for BASH shell:
# export CROSS_CM3=/opt/arm-cross/bin/arm-linux-gnueabi
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