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| author | Liu Yibin <yibin_liu@c-sky.com> | 2020-01-02 07:21:36 +0300 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2020-01-02 07:33:23 +0300 |
| commit | c0849cd731fca884c939e6a1a699a853231292a2 (patch) | |
| tree | fbb2b3d73abd72f090c97f33bd0a86e310f91c0a /docs | |
| parent | 46a90d90e7dca6eeb66700b6970171119c51fd66 (diff) | |
| download | opensbi-c0849cd731fca884c939e6a1a699a853231292a2.tar.xz | |
platform: Add T-head C910 initial support
This commit provides basic support for the Thead/C910 platform.
Signed-off-by: Liu Yibin <yibin_liu@c-sky.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/platform/platform.md | 3 | ||||
| -rw-r--r-- | docs/platform/thead-c910.md | 34 |
2 files changed, 37 insertions, 0 deletions
diff --git a/docs/platform/platform.md b/docs/platform/platform.md index 424efe9..17cbfb8 100644 --- a/docs/platform/platform.md +++ b/docs/platform/platform.md @@ -26,6 +26,8 @@ OpenSBI currently supports the following virtual and hardware platforms: * **Andes AE350 SoC**: Platform support for the Andes's SoC (AE350). +* **T-HEAD C910**: Platform support for the T-HEAD C910 Processor. + The code for these supported platforms can be used as example to implement support for other platforms. The *platform/template* directory also provides template files for implementing support for a new platform. The *object.mk*, @@ -37,3 +39,4 @@ facilitate the implementation. [sifive_fu540.md]: sifive_fu540.md [ariane-fpga.md]: ariane-fpga.md [andes_ae350.md]: andes-ae350.md +[thead-c910.md]: thead-c910.md diff --git a/docs/platform/thead-c910.md b/docs/platform/thead-c910.md new file mode 100644 index 0000000..3ba0b96 --- /dev/null +++ b/docs/platform/thead-c910.md @@ -0,0 +1,34 @@ +T-HEAD C910 Processor +===================== +C910 is a 12-stage, 3 issues, 8 executions, out-of-order 64-bit RISC-V CPU which +supports 16 cores, runs with 2.5GHz, and is capable of running Linux. + +To build platform specific library and firmwares, provide the *PLATFORM=thead/c910* +parameter to the top level make command. + +Platform Options +---------------- + +The *T-HEAD C910* platform does not have any platform-specific options. + +Building T-HEAD C910 Platform +----------------------------- + +``` +make PLATFORM=thead/c910 +``` + +Booting T-HEAD C910 Platform +----------------------------- + +**No Payload** + +As there's no payload, you may download vmlinux or u-boot to FW_JUMP_ADDR which +specified in config.mk or compile commands with GDB. And the execution flow will +turn to vmlinux or u-boot when opensbi ends. + +**Linux Kernel Payload** + +You can also choose to use Linux kernel as payload by enabling FW_PAYLOAD=y +along with specifying FW_PAYLOAD_OFFSET. The kernel image will be embedded in +the OPENSBI firmware binary, T-head will directly boot into Linux after OpenSBI. |