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doc: sifive: fu540: Add description for OpenSBI generic platform

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OpenSBI generic platform support provides platform specific
functionality based on the FDT passed by previous booting stage.

Depends on OpenSBI commit:
platform: Add generic FDT based platform support
(sha1: f1aa9e54e00006ae70aeac638d5b75093520f65d)

Signed-off-by: Pragnesh Patel <pragnesh.patel@sifive.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
This commit is contained in:
Pragnesh Patel 2020-05-29 11:33:39 +05:30 committed by Andes
parent 7649e59878
commit c1416429ba
1 changed files with 1 additions and 12 deletions
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13
doc/board/sifive/fu540.rst
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@ -20,17 +20,6 @@ The support for following drivers are already enabled:
4. SiFive SPI Driver.
5. MMC SPI Driver for MMC/SD support.
TODO:
1. U-Boot expects the serial console device entry to be present under /chosen
DT node. Without a serial console U-Boot will panic. Example:
.. code-block:: none
chosen {
stdout-path = "/soc/serial@10010000:115200";
};
Booting from MMC using FSBL
---------------------------
@ -60,7 +49,7 @@ firmware. We need to compile OpenSBI with below command:
.. code-block:: none
make PLATFORM=sifive/fu540 FW_PAYLOAD_PATH=<path to u-boot-dtb.bin>
make PLATFORM=generic FW_PAYLOAD_PATH=<path to u-boot-dtb.bin>
More detailed description of steps required to build FW_PAYLOAD firmware
is beyond the scope of this document. Please refer OpenSBI documenation.