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| author | Antonio Niño Díaz <antonio.ninodiaz@arm.com> | 2019-03-01 11:23:58 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-03-01 11:23:58 +0000 |
| commit | a4acc7f16500d7856f3317f8412665249da7e947 (patch) | |
| tree | d97353d7d44c2335a42e7dd213b606d70d3391da /docs | |
| parent | 37118a1b5f0a0dfb061c986eb67d72bbe2ae8c79 (diff) | |
| parent | c2ad38ce4fe754c750f3db480f732ac280f508e4 (diff) | |
| download | platform_external_arm-trusted-firmware-a4acc7f16500d7856f3317f8412665249da7e947.tar.gz platform_external_arm-trusted-firmware-a4acc7f16500d7856f3317f8412665249da7e947.tar.bz2 platform_external_arm-trusted-firmware-a4acc7f16500d7856f3317f8412665249da7e947.zip | |
Merge pull request #1751 from vwadekar/tegra-scatter-file-support
Tegra scatter file support
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/plat/nvidia-tegra.rst | 10 | ||||
| -rw-r--r-- | docs/user-guide.rst | 6 |
2 files changed, 16 insertions, 0 deletions
diff --git a/docs/plat/nvidia-tegra.rst b/docs/plat/nvidia-tegra.rst index 7ed0f2c82..6a03b1283 100644 --- a/docs/plat/nvidia-tegra.rst +++ b/docs/plat/nvidia-tegra.rst @@ -82,6 +82,16 @@ Tegra132: TLK Tegra210: TLK and Trusty Tegra186: Trusty +Scatter files +============= + +Tegra platforms currently support scatter files and ld.S scripts. The scatter +files help support ARMLINK linker to generate BL31 binaries. For now, there +exists a common scatter file, plat/nvidia/tegra/scat/bl31.scat, for all Tegra +SoCs. The `LINKER` build variable needs to point to the ARMLINK binary for +the scatter file to be used. Tegra platforms have verified BL31 image generation +with ARMCLANG (compilation) and ARMLINK (linking) for the Tegra186 platforms. + Preparing the BL31 image to run on Tegra SoCs ============================================= diff --git a/docs/user-guide.rst b/docs/user-guide.rst index b602956aa..d3c63c751 100644 --- a/docs/user-guide.rst +++ b/docs/user-guide.rst @@ -729,6 +729,12 @@ Common build options Note: when ``EL3_EXCEPTION_HANDLING`` is ``1``, ``TSP_NS_INTR_ASYNC_PREEMPT`` must also be set to ``1``. +- ``USE_ARM_LINK``: This flag determines whether to enable support for ARM + linker. When the ``LINKER`` build variable points to the armlink linker, + this flag is enabled automatically. To enable support for armlink, platforms + will have to provide a scatter file for the BL image. Currently, Tegra + platforms use the armlink support to compile BL3-1 images. + - ``USE_COHERENT_MEM``: This flag determines whether to include the coherent memory region in the BL memory map or not (see "Use of Coherent memory in TF-A" section in `Firmware Design`_). It can take the value 1 |