diff mbox series

[U-Boot,17/45] fdt: Allow libfdt in TPL

Message ID	20181001182249.129565-18-sjg@chromium.org
State	Accepted
Delegated to:	Simon Glass
Headers	show Return-Path: <u-boot-bounces@lists.denx.de> Date: Mon, 1 Oct 2018 12:22:21 -0600 In-Reply-To: <20181001182249.129565-1-sjg@chromium.org> Message-Id: <20181001182249.129565-18-sjg@chromium.org> Mime-Version: 1.0 References: <20181001182249.129565-1-sjg@chromium.org> From: Simon Glass <sjg@chromium.org> To: U-Boot Mailing List <u-boot@lists.denx.de> Cc: Jerry Van Baren <vanbaren@cideas.com> Subject: [U-Boot] [PATCH 17/45] fdt: Allow libfdt in TPL Precedence: list Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" <u-boot-bounces@lists.denx.de>
Series	Various fixes and improvements \| expand [U-Boot,00/45] Various fixes and improvements [U-Boot,01/45] dm: core: Alloc uclass-private data to be cache-aligned [U-Boot,02/45] dm: core: Update some functions to use const [U-Boot,03/45] dm: core: Add a function to find the first inactive child [U-Boot,04/45] dm: core: Update ofnode to read binman-style flash entry [U-Boot,05/45] sf: Avoid allocating memory on every read operation [U-Boot,06/45] spl: input: Allow input in SPL and TPL [U-Boot,07/45] Makefile: Add a warning if SPL/TPL cannot be built [U-Boot,08/45] spl: misc: Allow misc drivers in SPL and TPL [U-Boot,09/45] blk: Support block drivers in TPL [U-Boot,10/45] Kconfig: Convert CONFIG_RTC_MC146818 to Kconfig [U-Boot,11/45] rtc: Allow use of RTC in SPL and TPL [U-Boot,12/45] fdt: Document the fact that dtc is now built [U-Boot,13/45] doc: Update docs for device tree in SPL, TPL [U-Boot,14/45] fdt: Allow indicating a node is for U-Boot proper only [U-Boot,15/45] tpm: Add support for SPL and TPL [U-Boot,16/45] serial: Allow serial to be absent in TPL [U-Boot,17/45] fdt: Allow libfdt in TPL [U-Boot,18/45] cros: Update cros_ec code to use struct udevice [U-Boot,19/45] cros: Adjust board_get_cros_ec_dev() to return a udevice [U-Boot,20/45] dm: spi: Add logging of some return values [U-Boot,21/45] fdt: Remove fdtdec_decode_region() function [U-Boot,22/45] video: Adjust video_clear() to return an error [U-Boot,23/45] tpm: Use livetree and allow children [U-Boot,24/45] tpm: Tidy up logging in tpm-common.c [U-Boot,25/45] tpm: Add a few new commands for v1 [U-Boot,26/45] binman: Move to three-digit test-file numbers [U-Boot,27/45] binman: Add a test for Intel reference code [U-Boot,28/45] log: Add comments to the rest of the log categories [U-Boot,29/45] malloc_simple: Add logging of allocations [U-Boot,30/45] Add a header file for strings [U-Boot,31/45] Rename GPT_HEADER_SIGNATURE to avoid conflict [U-Boot,32/45] cros: Update ec_commands to latest version [U-Boot,33/45] x86: Update mtrr functions to allow leaving cache alone [U-Boot,34/45] cros_ec: Update cros_ec_read_hash() to specify the image [U-Boot,35/45] cros_ec: Add support for v3 messages on LPC [U-Boot,36/45] test: panel: Add a test for the panel uclass [U-Boot,37/45] panel: Expand the backlight support [U-Boot,38/45] ctags: Minor changes to fix ctags output [U-Boot,39/45] fdt: Allow C++ comments in link scripts and DT files [U-Boot,40/45] pci: Add a little more debugging to pci_rom [U-Boot,41/45] sysreset: Tidy up a few comments and logging [U-Boot,42/45] sysreset: Add a way to find the last reset [U-Boot,43/45] video: at91: Adjust vidconsole_position_cursor() to use char pos [U-Boot,44/45] video: Tidy up a few comments in video.o [U-Boot,45/45] dtoc: Fix the value of SetInt()

Commit Message

Simon Glass Oct. 1, 2018, 6:22 p.m. UTC

In some cases (e.g. sandbox with verified boot) it is useful to support
libfdt in TPL. Update the Kconfig to handle this.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

 lib/Kconfig | 10 ++++++++++
 1 file changed, 10 insertions(+)

Comments

Simon Glass Oct. 9, 2018, 11:55 p.m. UTC | #1

In some cases (e.g. sandbox with verified boot) it is useful to support
libfdt in TPL. Update the Kconfig to handle this.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

 lib/Kconfig | 10 ++++++++++
 1 file changed, 10 insertions(+)

Applied to u-boot-dm

diff mbox series

Patch

diff --git a/lib/Kconfig b/lib/Kconfig
index b711d62d32f..ccab426e121 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -353,6 +353,16 @@  config SPL_OF_LIBFDT
 	  particular compatible nodes. The library operates on a flattened
 	  version of the device tree.
 
+config TPL_OF_LIBFDT
+	bool "Enable the FDT library for TPL"
+	default y if TPL_OF_CONTROL
+	help
+	  This enables the FDT library (libfdt). It provides functions for
+	  accessing binary device tree images in memory, such as adding and
+	  removing nodes and properties, scanning through the tree and finding
+	  particular compatible nodes. The library operates on a flattened
+	  version of the device tree.
+
 config FDT_FIXUP_PARTITIONS
 	bool "overwrite MTD partitions in DTS through defined in 'mtdparts'"
 	depends on OF_LIBFDT