dfc3ea6810
Store selected boot configuration in '/chosen' node in device tree, so it can be accessed by Linux (and used for fine-tuning the FIT partition parser). Signed-off-by: Daniel Golle <daniel@makrotopia.org>
61 lines
2.3 KiB
Diff
61 lines
2.3 KiB
Diff
From patchwork Mon Mar 21 23:22:23 2022
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X-Patchwork-Submitter: Daniel Golle <daniel@makrotopia.org>
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X-Patchwork-Id: 1607954
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Return-Path: <u-boot-bounces@lists.denx.de>
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X-Original-To: incoming@patchwork.ozlabs.org
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Delivered-To: patchwork-incoming@bilbo.ozlabs.org
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Date: Mon, 21 Mar 2022 23:22:23 +0000
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From: Daniel Golle <daniel@makrotopia.org>
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To: u-boot@lists.denx.de
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Cc: Simon Glass <sjg@chromium.org>, Alexandru Gagniuc <mr.nuke.me@gmail.com>,
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Patrick Delaunay <patrick.delaunay@foss.st.com>,
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Heinrich Schuchardt <xypron.glpk@gmx.de>
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Subject: [PATCH] image-fdt: save name of FIT configuration in '/chosen' node
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Message-ID: <YjkIr8wmz1XEOVNh@makrotopia.org>
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It can be useful for the OS (Linux) to know which configuration has
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been chosen by U-Boot when launching a FIT image.
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Store the name of the FIT configuration node used in a new string
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attribute called 'bootconf' in the '/chosen' node in device tree.
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Signed-off-by: Daniel Golle <daniel@makrotopia.org>
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---
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boot/image-fdt.c | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/boot/image-fdt.c b/boot/image-fdt.c
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index 692a9ad3e4..4017bc94a6 100644
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--- a/boot/image-fdt.c
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+++ b/boot/image-fdt.c
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@@ -601,6 +601,12 @@ int image_setup_libfdt(bootm_headers_t *images, void *blob,
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goto err;
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}
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+ /* Store name of configuration node as bootconf in /chosen node */
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+ if (images->fit_uname_cfg)
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+ fdt_find_and_setprop(blob, "/chosen", "bootconf",
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+ images->fit_uname_cfg,
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+ strlen(images->fit_uname_cfg) + 1, 1);
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+
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/* Update ethernet nodes */
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fdt_fixup_ethernet(blob);
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#if CONFIG_IS_ENABLED(CMD_PSTORE)
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