Altera SoC Embedded Design Suite - Manual (Page 180)

BSP Setting Default Value
spl.reset_assert.GPIO1
False
spl.reset_assert.GPIO2
False
spl.reset_assert.L4WD1
False
spl.reset_assert.OSC1TIMER1
False
spl.reset_assert.SDR
False
spl.reset_assert.SPTIMER0
False
spl.reset_assert.SPTIMER1
False
Preloader Compilation
The makefile created by the PSP generator compiles the preloader sources and generates a preloader
image. The makefile performs the following tasks:
• Copies the generic preloader source code into
<bsp directory>/uboot-socfpga
• Copies the generated BSP files and hardware handoff files to the source directory in
<bsp_directory>/
uboot-socfpga/board/altera/socfpga_<device>
• Configures the compiler tools to target an SoC FPGA
• Compiles the source files in <bsp directory>/uboot-socfpga with the user-specified cross compiler
(specified in the BSP settings) and stores the generated preloader binary files in <bsp_directory>/uboot-
socfpga/spl
• Converts the preloader binary file to a preloader image, <bsp_directory>/preloader-mkpimage.bin , with
the mkpimage tool
The mkpimage tool is part of the SoC EDS. It inserts the correct header information and creates an Altera
boot-ROM compatible image of the preloader. You can run the make utility in the command shell to
compile the preloader in the BSP directory. The makefile contains the following targets:
• make all – compiles the preloader
• make clean – deletes preloader-mkpimage.bin from the <bsp directory>
• make clean-all – deletes <bsp directory>, including the source files in the directory
Related Information
Preloader Image Tool on page 7-16
Configuring FPGA from Preloader
The Preloader has the ability to configure the FPGA by using configuration data stored in one of the
following two locations:
• specific address in QSPI Flash
• specific file name on a SD/MMC FAT Partition
In order to configure the FPGA, an RBF file needs to be used. The RBF file is obtained by converting a
SOF file to RBF by using the Quartus II Programmer.
ug-1137
2013.05.03
Preloader Compilation 7-15
HPS Preloader User Guide Altera Corporation
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