History log of /rk3399_ARM-atf/plat/arm/board/arm_fpga/rom_trampoline.S (Results 1 – 2 of 2)
Revision Date Author Comments
# 2173b3e0 30-Sep-2020 André Przywara <andre.przywara@arm.com>

Merge changes from topic "fpga_generic" into integration

* changes:
arm_fpga: Add platform documentation
arm_fpga: Add post-build linker script
arm_fpga: Add ROM trampoline
arm_fpga: Add dev

Merge changes from topic "fpga_generic" into integration

* changes:
arm_fpga: Add platform documentation
arm_fpga: Add post-build linker script
arm_fpga: Add ROM trampoline
arm_fpga: Add devicetree file
arm_fpga: Remove SPE PMU DT node if SPE is not available
arm_fpga: Adjust GICR size in DT to match number of cores
fdt: Add function to adjust GICv3 redistributor size
drivers: arm: gicv3: Allow detecting number of cores

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# f45c6d86 03-Aug-2020 Andre Przywara <andre.przywara@arm.com>

arm_fpga: Add ROM trampoline

The application cores of the FPGAs used in Arm Ltd. start execution at
address 0x0. This is the location of some (emulated) ROM area (which can
be written to by the uplo

arm_fpga: Add ROM trampoline

The application cores of the FPGAs used in Arm Ltd. start execution at
address 0x0. This is the location of some (emulated) ROM area (which can
be written to by the uploading tool).
Since the arm_fpga port is configured to run from DRAM, we load BL31 to
the beginning of DRAM (mapped at 2GB). This requires some small
trampoline code in the "ROM" to jump to the BL31 entry point.

To avoid some extra magic binary, add a tiny assembly file with that
trivial jump instruction to the tree, so this binary can be created
alongside BL31.

Change-Id: I9e4439fc0f093fa24dd49a8377c9edb030fbb477
Signed-off-by: Andre Przywara <andre.przywara@arm.com>

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