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author | Tom Rini <trini@konsulko.com> | 2019-05-13 07:13:03 -0400 |
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committer | Tom Rini <trini@konsulko.com> | 2019-05-13 07:13:03 -0400 |
commit | d2d8f73da4b648ad21b1afb481f0bcd035ebe029 (patch) | |
tree | 9f42385dcb5d164577b972664fcf63b557a50503 /doc | |
parent | 592254b9b8bde7c1844d956fe3ba3dd78f5df054 (diff) | |
parent | 1b898ffc040b5977a07af755b8ba3aa151914800 (diff) |
Merge branch 'master' of git://git.denx.de/u-boot-socfpga
- A10 FPGA programming support, Gen5 livetree conversion
Diffstat (limited to 'doc')
-rw-r--r-- | doc/device-tree-bindings/fpga/altera-socfpga-a10-fpga-mgr.txt | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/doc/device-tree-bindings/fpga/altera-socfpga-a10-fpga-mgr.txt b/doc/device-tree-bindings/fpga/altera-socfpga-a10-fpga-mgr.txt index 2fd8e7a847..da210bfc86 100644 --- a/doc/device-tree-bindings/fpga/altera-socfpga-a10-fpga-mgr.txt +++ b/doc/device-tree-bindings/fpga/altera-socfpga-a10-fpga-mgr.txt @@ -7,8 +7,31 @@ Required properties: - The second index is for writing FPGA configuration data. - resets : Phandle and reset specifier for the device's reset. - clocks : Clocks used by the device. +- altr,bitstream : Fit image file name for both FPGA peripheral bitstream, + FPGA core bitstream and full bitstream. -Example: + Full bitstream, consist of peripheral bitstream and core + bitstream. + + FPGA peripheral bitstream is used to initialize FPGA IOs, + PLL, IO48 and DDR. This bitstream is required to get DDR up + running. + + FPGA core bitstream contains FPGA design which is used to + program FPGA CRAM and ERAM. + +Example: Bundles both peripheral bitstream and core bitstream into FIT image + called fit_spl_fpga.itb. This FIT image can be created through running + this command: tools/mkimage + -E -p 400 + -f board/altera/arria10-socdk/fit_spl_fpga.its + fit_spl_fpga.itb + + For details of describing structure and contents of the FIT image, + please refer board/altera/arria10-socdk/fit_spl_fpga.its + +- Examples for booting with full release or booting with early IO release, then + follow by entering early user mode: fpga_mgr: fpga-mgr@ffd03000 { compatible = "altr,socfpga-a10-fpga-mgr"; @@ -16,4 +39,5 @@ Example: 0xffcfe400 0x20>; clocks = <&l4_mp_clk>; resets = <&rst FPGAMGR_RESET>; + altr,bitstream = "fit_spl_fpga.itb"; }; |