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| author | Soby Mathew <soby.mathew@arm.com> | 2019-04-26 12:42:44 +0000 |
|---|---|---|
| committer | TrustedFirmware Code Review <review@review.trustedfirmware.org> | 2019-04-26 12:42:44 +0000 |
| commit | 8742f8574bcbb513480c53645dbc5b72ea5f451e (patch) | |
| tree | e6ef06ff5b713ded0bed89fd11faa57f8d45fe15 /docs | |
| parent | 28dab587e94552966b01c30b4e8d51463036d0f7 (diff) | |
| parent | 55617251071c07569d57b4bf9aa9f6bdef50e704 (diff) | |
| download | platform_external_arm-trusted-firmware-8742f8574bcbb513480c53645dbc5b72ea5f451e.tar.gz platform_external_arm-trusted-firmware-8742f8574bcbb513480c53645dbc5b72ea5f451e.tar.bz2 platform_external_arm-trusted-firmware-8742f8574bcbb513480c53645dbc5b72ea5f451e.zip | |
Merge changes from topic "rk3288" into integration
* changes:
rockchip: document platform
rockchip: add support for rk3288
rockchip: add common aarch32 support
rockchip: rk3328: drop double declaration of entry_point storage
rockchip: Allow socs with undefined wfe check bits
rockchip: move pmusram assembler code to a aarch64 subdir
sp_min: allow inclusion of a platform-specific linker script
sp_min: make sp_min_warm_entrypoint public
drivers: ti: uart: add a aarch32 variant
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/plat/rockchip.rst | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/docs/plat/rockchip.rst b/docs/plat/rockchip.rst new file mode 100644 index 000000000..e88706b2f --- /dev/null +++ b/docs/plat/rockchip.rst @@ -0,0 +1,54 @@ +Trusted Firmware-A for Rockchip SoCs +==================================== + +Trusted Firmware-A supports a number of Rockchip ARM SoCs from both +AARCH32 and AARCH64 fields. + +This includes right now: +- rk3288: Quad-Core Cortex-A17 (past A12) +- rk3328: Quad-Core Cortex-A53 +- rk3368: Octa-Core Cortex-A53 +- rk3399: Hexa-Core Cortex-A53/A72 + + +Boot Sequence +============= + +For AARCH32: + Bootrom --> BL1/BL2 --> BL32 --> BL33 --> Linux kernel + +For AARCH64: + Bootrom --> BL1/BL2 --> BL31 --> BL33 --> Linux kernel + +BL1/2 and BL33 can currently be supplied from either: +- Coreboot + Depthcharge +- U-Boot - either separately as TPL+SPL or only SPL + + +How to build +============ + +Rockchip SoCs expect TF-A's BL31 (AARCH64) or BL32 (AARCH32) to get +integrated with other boot software like U-Boot or Coreboot, so only +these images need to get build from the TF-A repository. + +For AARCH64 architectures the build command looks like + + make CROSS_COMPILE=aarch64-linux-gnu- PLAT=rk3399 bl32 + +while AARCH32 needs a slightly different command + + make ARCH=aarch32 CROSS_COMPILE=arm-linux-gnueabihf- PLAT=rk3288 AARCH32_SP=sp_min bl32 + +Both need replacing the PLAT argument with the platform from above you +want to build for and the CROSS_COMPILE argument with you cross- +compilation toolchain. + + +How to deploy +============= + +Both upstream U-Boot and Coreboot projects contain instructions on where +to put the built images during their respective build process. +So after successfully building TF-A just follow their build instructions +to continue. |