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syslinux: Add support for DEVICETREE from bootloader spec

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The bootloader spec says:

> `devicetree` refers to the binary device tree to use when executing the
> kernel. This also shall be a path relative to the `$BOOT` directory. This
> key is optional. Example:
> `6a9857a393724b7a981ebb5b8495b9ea/3.8.0-2.fc19.armv7hl/tegra20-paz00.dtb`

This is necessary for booting my NVidia Tegra TK1 device.  It uses u-boot
with syslinux compatibility.  In the syslinux files that come with the
device this is called `FDT`, but u-boot treats `FDT and `DEVICETREE` as
synonyms.

See also: [f43c401 in u-boot].

[f43c401 in u-boot]: http://git.denx.de/?p=u-boot.git;a=commit;h=f43c401b72bb0db43ab0b55c4a79e1f4889d3aa2

Closes: #1411
Approved by: cgwalters
This commit is contained in:
William Manley 2017-03-06 19:41:46 +00:00 committed by Atomic Bot
parent 2098f75c2f
commit c5112c25e4
1 changed files with 4 additions and 0 deletions
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4
src/libostree/ostree-bootloader-syslinux.c
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@ -95,6 +95,10 @@ append_config_from_loader_entries (OstreeBootloaderSyslinux *self,
if (val)
g_ptr_array_add (new_lines, g_strdup_printf ("\tINITRD %s", val));
val = ostree_bootconfig_parser_get (config, "devicetree");
if (val)
g_ptr_array_add (new_lines, g_strdup_printf ("\tDEVICETREE %s", val));
val = ostree_bootconfig_parser_get (config, "options");
if (val)
g_ptr_array_add (new_lines, g_strdup_printf ("\tAPPEND %s", val));