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303975 |
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11-Aug-2016 |
gjb |
Copy stable/11@r303970 to releng/11.0 as part of the 11.0-RELEASE cycle.
Prune svn:mergeinfo from the new branch, and rename it to RC1.
Update __FreeBSD_version.
Use the quarterly branch for the default FreeBSD.conf pkg(8) repo and the dvd1.iso packages population.
Approved by: re (implicit) Sponsored by: The FreeBSD Foundation |
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302408 |
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08-Jul-2016 |
gjb |
Copy head@r302406 to stable/11 as part of the 11.0-RELEASE cycle. Prune svn:mergeinfo from the new branch, as nothing has been merged here.
Additional commits post-branch will follow.
Approved by: re (implicit) Sponsored by: The FreeBSD Foundation
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298821 |
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29-Apr-2016 |
gonzo |
Add FDT overlays support to ubldr
FDT overlays is de-facto standard for describing expansion boards like Beaglebone capes or Raspberry Pi shields. The ides is to have basic DTB for base board and overlays DTB for shields/capes and to construct final DTB either using human-readable configuration or some self-discovery mechanism. I believe this approach can also be expanded to support dynamically loadable FPGA bitstreams on systems like Zedboard/Zybo.
Overlaying process is simmilar to executable link process for binaries: each DTB has "exported" symbols and "undefined" symbols, the latter are resolved using information for the former obtained from base DTB or one of the overlays applied earlier (more rare case).
This symbols information is not generated by standard dtc that FreeBSD has in base system, patched[1] version required to produces overlay-compatible blobs. So although DTB files generated by buildkernel do not support overlays there are enough vendor/community-provided DTB blobs ciruclating around to justify committing this change to ubldr.
This commit introduces handler for "fdt_overlays" variable that can be defined either as a loader env variable or U-Boot env variable. fdt_overlays is comma-separated list of .dtbo files located in /boot/dtb/ directory along with base .dtb. ubldr loads files and applies them one-by-one to base .dtb and then passes result blob to the kernel.
[1] https://github.com/RobertCNelson/dtc/commit/dd6a0533e846e8d5e690a618fa35cc15a6103efb
Differential Revision: https://reviews.freebsd.org/D3180
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273934 |
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01-Nov-2014 |
andrew |
Start to allow platforms other than U-Boot to use the FDT code in loader by moving U-Boot specific code from libfdt.a to a new libuboot_fdt.a. This needs to be a new library for linking to work correctly.
Differential Revision: https://reviews.freebsd.org/D1054 Reviewed by: ian, rpaulo (earlier version) MFC after: 1 week
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273927 |
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01-Nov-2014 |
andrew |
Move the definitions of the fdt functions from a uboot header to a new fdt header. There is nothing in the fdt spec that ties it to U-Boot.
While here sort and fix the signature of fdt_setup_fdtp.
MFC after: 1 week
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