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Fri, 11 Apr 2025 09:40:46 +0200 Received: from localhost ([::1] helo=dude05.red.stw.pengutronix.de) by dude05.red.stw.pengutronix.de with esmtp (Exim 4.96) (envelope-from ) id 1u390I-008WBo-24; Fri, 11 Apr 2025 09:40:46 +0200 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Fri, 11 Apr 2025 09:40:40 +0200 Message-Id: <20250411074045.2019372-6-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250411074045.2019372-1-a.fatoum@pengutronix.de> References: <20250411074045.2019372-1-a.fatoum@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250411_084051_546781_76B6945B X-CRM114-Status: GOOD ( 14.41 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.6 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH 05/10] commands: add TLV debugging command X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) The TLV command does the equivalent of having a "barebox,tlv" compatible node point at the file. It's meant as a debugging aid. Signed-off-by: Ahmad Fatoum --- commands/Kconfig | 12 +++++++++++ commands/Makefile | 1 + commands/tlv.c | 55 +++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 68 insertions(+) create mode 100644 commands/tlv.c diff --git a/commands/Kconfig b/commands/Kconfig index ca3f13d7e0cc..229d0a634a8c 100644 --- a/commands/Kconfig +++ b/commands/Kconfig @@ -2573,6 +2573,18 @@ config CMD_STATE depends on STATE prompt "state" +config CMD_TLV + tristate + depends on TLV + prompt "tlv" + help + tlv - handle barebox TLV + + Usage: tlv [-f] FILE + + The TLV command does the equivalent of having a "barebox,tlv" + compatible node point at the file. It's meant as a debugging aid. + config CMD_DHRYSTONE bool prompt "dhrystone" diff --git a/commands/Makefile b/commands/Makefile index 8c2749b5ebdd..53337dfb5c2d 100644 --- a/commands/Makefile +++ b/commands/Makefile @@ -143,6 +143,7 @@ obj-$(CONFIG_CMD_CMP) += cmp.o obj-$(CONFIG_CMD_NV) += nv.o obj-$(CONFIG_CMD_DEFAULTENV) += defaultenv.o obj-$(CONFIG_CMD_STATE) += state.o +obj-$(CONFIG_CMD_TLV) += tlv.o obj-$(CONFIG_CMD_DHCP) += dhcp.o obj-$(CONFIG_CMD_BOOTCHOOSER) += bootchooser.o obj-$(CONFIG_CMD_DHRYSTONE) += dhrystone.o diff --git a/commands/tlv.c b/commands/tlv.c new file mode 100644 index 000000000000..53fbc2a29186 --- /dev/null +++ b/commands/tlv.c @@ -0,0 +1,55 @@ +// SPDX-License-Identifier: GPL-2.0-only +// SPDX-FileCopyrightText: © 2022 Ahmad Fatoum, Pengutronix + +#include +#include +#include +#include +#include + +static int do_tlv(int argc, char *argv[]) +{ + const char *filename; + bool fixup = false; + struct tlv_device *tlvdev; + int opt; + + while ((opt = getopt(argc, argv, "f")) > 0) { + switch (opt) { + case 'f': + fixup = true; + break; + default: + return COMMAND_ERROR_USAGE; + } + } + + filename = argv[optind]; + if (!filename) + return COMMAND_ERROR_USAGE; + + tlvdev = tlv_register_device_by_path(argv[optind], NULL); + if (IS_ERR(tlvdev)) + return PTR_ERR(tlvdev); + + if (fixup) + return tlv_of_register_fixup(tlvdev); + + of_print_nodes(tlv_of_node(tlvdev), 0, ~0); + + tlv_free_device(tlvdev); + return 0; +} + +BAREBOX_CMD_HELP_START(tlv) +BAREBOX_CMD_HELP_TEXT("Options:") +BAREBOX_CMD_HELP_OPT ("-f", "Register device tree fixup for TLV") +BAREBOX_CMD_HELP_END + +BAREBOX_CMD_START(tlv) + .cmd = do_tlv, + BAREBOX_CMD_DESC("handle barebox TLV") + BAREBOX_CMD_OPTS("[-f] FILE") + BAREBOX_CMD_GROUP(CMD_GRP_MISC) + BAREBOX_CMD_HELP(cmd_tlv_help) +BAREBOX_CMD_END -- 2.39.5