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   1 From patchwork Mon Mar 21 23:22:23 2022
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   5 X-Patchwork-Submitter: Daniel Golle <daniel@makrotopia.org>
   6 X-Patchwork-Id: 1607954
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  10 Date: Mon, 21 Mar 2022 23:22:23 +0000
  11 From: Daniel Golle <daniel@makrotopia.org>
  12 To: u-boot@lists.denx.de
  13 Cc: Simon Glass <sjg@chromium.org>, Alexandru Gagniuc <mr.nuke.me@gmail.com>,
  14  Patrick Delaunay <patrick.delaunay@foss.st.com>,
  15  Heinrich Schuchardt <xypron.glpk@gmx.de>
  16 Subject: [PATCH] image-fdt: save name of FIT configuration in '/chosen' node
  17 Message-ID: <YjkIr8wmz1XEOVNh@makrotopia.org>
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  33
  34 It can be useful for the OS (Linux) to know which configuration has
  35 been chosen by U-Boot when launching a FIT image.
  36 Store the name of the FIT configuration node used in a new string
  37 attribute called 'bootconf' in the '/chosen' node in device tree.
  38
  39 Signed-off-by: Daniel Golle <daniel@makrotopia.org>
  40 ---
  41  boot/image-fdt.c | 6 ++++++
  42  1 file changed, 6 insertions(+)
  43
  44 diff --git a/boot/image-fdt.c b/boot/image-fdt.c
  45 index 692a9ad3e4..4017bc94a6 100644
  46 --- a/boot/image-fdt.c
  47 +++ b/boot/image-fdt.c
  48 @@ -601,6 +601,12 @@ int image_setup_libfdt(bootm_headers_t *images, void *blob,
  49                 goto err;
  50         }
  51
  52 +       /* Store name of configuration node as bootconf in /chosen node */
  53 +       if (images->fit_uname_cfg)
  54 +               fdt_find_and_setprop(blob, "/chosen", "bootconf",
  55 +                                       images->fit_uname_cfg,
  56 +                                       strlen(images->fit_uname_cfg) + 1, 1);
  57 +
  58         /* Update ethernet nodes */
  59         fdt_fixup_ethernet(blob);
  60  #if CONFIG_IS_ENABLED(CMD_PSTORE)