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GET /api/1.2/patches/2230930/?format=api
{ "id": 2230930, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2230930/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20260430084414.1354490-4-richard.genoud@bootlin.com/", "project": { "id": 18, "url": "http://patchwork.ozlabs.org/api/1.2/projects/18/?format=api", "name": "U-Boot", "link_name": "uboot", "list_id": "u-boot.lists.denx.de", "list_email": "u-boot@lists.denx.de", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260430084414.1354490-4-richard.genoud@bootlin.com>", "list_archive_url": null, "date": "2026-04-30T08:43:56", "name": "[03/20] board: ti: j721e: Add resume detection for J721e/J7200", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "d5c66ee1f6c74df7146b2fad16fd622cd312aa14", "submitter": { "id": 88519, "url": "http://patchwork.ozlabs.org/api/1.2/people/88519/?format=api", "name": "Richard Genoud (TI)", "email": "richard.genoud@bootlin.com" }, "delegate": { "id": 3651, "url": "http://patchwork.ozlabs.org/api/1.2/users/3651/?format=api", "username": "trini", "first_name": "Tom", "last_name": "Rini", "email": "trini@ti.com" }, "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/20260430084414.1354490-4-richard.genoud@bootlin.com/mbox/", "series": [ { "id": 502237, "url": "http://patchwork.ozlabs.org/api/1.2/series/502237/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=502237", "date": "2026-04-30T08:43:53", "name": "Introduce resume for J7xx SoCs", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/502237/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2230930/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2230930/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<u-boot-bounces@lists.denx.de>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=bootlin.com header.i=@bootlin.com header.a=rsa-sha256\n header.s=dkim header.b=Ck8TQvM+;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; 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Thu, 30 Apr 2026 10:44:37 +0200 (CEST)", "from smtpout-03.galae.net (smtpout-03.galae.net [185.246.85.4])\n (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits))\n (No client certificate requested)\n by phobos.denx.de (Postfix) with ESMTPS id 69E2D8466C\n for <u-boot@lists.denx.de>; Thu, 30 Apr 2026 10:44:35 +0200 (CEST)", "from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233])\n by smtpout-03.galae.net (Postfix) with ESMTPS id 126754E42B79;\n Thu, 30 Apr 2026 08:44:35 +0000 (UTC)", "from mail.galae.net (mail.galae.net [212.83.136.155])\n by smtpout-01.galae.net (Postfix) with ESMTPS id D514060495;\n Thu, 30 Apr 2026 08:44:34 +0000 (UTC)", "from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon)\n with ESMTPSA id 64BAC1072B7AE;\n Thu, 30 Apr 2026 10:44:31 +0200 (CEST)" ], "X-Spam-Checker-Version": "SpamAssassin 3.4.2 (2018-09-13) on phobos.denx.de", "X-Spam-Level": "", "X-Spam-Status": "No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED,\n DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED,\n SPF_HELO_PASS,SPF_PASS autolearn=ham autolearn_force=no version=3.4.2", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim;\n t=1777538673; h=from:subject:date:message-id:to:cc:mime-version:\n content-transfer-encoding:in-reply-to:references;\n bh=sk7iOm9SBxYXoB7YlV4H5UFOinc75XKNo0qOlhBVsNo=;\n b=Ck8TQvM+7MlMErtz0nPBGfjrDBl5tCH8v9ixaznWBrCv7kbEITTuQk/uGXNuFtuuUTlB+c\n m766cl3IAy9duMobJ4yiqkW+jSmgSZOAGpHSigE8xpQ38Zdwxn9FOx0D7aLgqVgwjeBnBa\n 8igcIlSfvSoQ9nvySYIDwmoBL7nB7Ux0N0z0sxgnSDKalvMp3C98JBSfIyl5EKyO31i9sj\n GAEF2kSa46BSAic9hYLB87ZyfxzCzHD08x6g4j1k08QAhFs0ClR/L3AvJp9SzxQGRAo8Fd\n qAQXrWME8Yn/Zv/nQZ4ymjWbcKA/Xw1colUgXTsrCXofRtkzBvzcu6AKS1qhzw==", "From": "\"Richard Genoud (TI)\" <richard.genoud@bootlin.com>", "To": "Tom Rini <trini@konsulko.com>, Manorit Chawdhry <m-chawdhry@ti.com>,\n Apurva Nandan <a-nandan@ti.com>, \"Andrew F . Davis\" <afd@ti.com>,\n Vignesh Raghavendra <vigneshr@ti.com>, Bryan Brattlof <bb@ti.com>,\n Vaishnav Achath <vaishnav.a@ti.com>, Jayesh Choudhary <j-choudhary@ti.com>,\n Simon Glass <sjg@chromium.org>, Alper Nebi Yasak <alpernebiyasak@gmail.com>", "Cc": "Markus Schneider-Pargmann <msp@baylibre.com>,\n Udit Kumar <u-kumar1@ti.com>,\n Abhash Kumar <a-kumar2@ti.com>,\n Thomas Richard <thomas.richard@bootlin.com>,\n Gregory CLEMENT <gregory.clement@bootlin.com>,\n Thomas Petazzoni <thomas.petazzoni@bootlin.com>,\n Richard Genoud <richard.genoud@bootlin.com>, u-boot@lists.denx.de", "Subject": "[PATCH 03/20] board: ti: j721e: Add resume detection for J721e/J7200", "Date": "Thu, 30 Apr 2026 10:43:56 +0200", "Message-ID": "<20260430084414.1354490-4-richard.genoud@bootlin.com>", "X-Mailer": "git-send-email 2.47.3", "In-Reply-To": "<20260430084414.1354490-1-richard.genoud@bootlin.com>", "References": "<20260430084414.1354490-1-richard.genoud@bootlin.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Last-TLS-Session-Version": "TLSv1.3", "X-BeenThere": "u-boot@lists.denx.de", "X-Mailman-Version": "2.1.39", "Precedence": "list", "List-Id": "U-Boot discussion <u-boot.lists.denx.de>", "List-Unsubscribe": "<https://lists.denx.de/options/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=unsubscribe>", "List-Archive": "<https://lists.denx.de/pipermail/u-boot/>", "List-Post": "<mailto:u-boot@lists.denx.de>", "List-Help": "<mailto:u-boot-request@lists.denx.de?subject=help>", "List-Subscribe": "<https://lists.denx.de/listinfo/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=subscribe>", "Errors-To": "u-boot-bounces@lists.denx.de", "Sender": "\"U-Boot\" <u-boot-bounces@lists.denx.de>", "X-Virus-Scanned": "clamav-milter 0.103.8 at phobos.denx.de", "X-Virus-Status": "Clean" }, "content": "From: \"Thomas Richard (TI)\" <thomas.richard@bootlin.com>\n\nAdd the capability to detect a resume. This overrides the weak\nfunction j7xx_board_is_resuming(void).\nTo detect the resume, SPL searches a magic value (0xBA) in a register\nof PMICA.\nThis value is set by DM-Firmware during the suspend sequence.\n\nSigned-off-by: Thomas Richard (TI) <thomas.richard@bootlin.com>\nCo-developed-by: Gregory CLEMENT (TI) <gregory.clement@bootlin.com>\nSigned-off-by: Gregory CLEMENT (TI) <gregory.clement@bootlin.com>\nCo-developed-by: Richard Genoud (TI) <richard.genoud@bootlin.com>\nSigned-off-by: Richard Genoud (TI) <richard.genoud@bootlin.com>\n---\n board/ti/common/k3-lpm.h | 17 +++++++++++++++++\n board/ti/j721e/evm.c | 37 +++++++++++++++++++++++++++++++++++++\n 2 files changed, 54 insertions(+)\n create mode 100644 board/ti/common/k3-lpm.h", "diff": "diff --git a/board/ti/common/k3-lpm.h b/board/ti/common/k3-lpm.h\nnew file mode 100644\nindex 000000000000..a2141a0c25a8\n--- /dev/null\n+++ b/board/ti/common/k3-lpm.h\n@@ -0,0 +1,17 @@\n+/* SPDX-License-Identifier: GPL-2.0+ */\n+/*\n+ * Copyright (C) 2026, Texas Instruments Incorporated - https://www.ti.com/\n+ * Copyright (C) 2026, Bootlin\n+ */\n+\n+#ifndef __K3_LPM_H\n+#define __K3_LPM_H\n+\n+/* Magic value in PMIC register to indicate the suspend state (SOC_OFF) */\n+#define K3_LPM_MAGIC_SUSPEND 0xba\n+\n+/* PMIC register where the magic value resides */\n+#define K3_LPM_SCRATCH_PAD_REG 0xcb\n+\n+#endif /* __K3_LPM_H */\n+\ndiff --git a/board/ti/j721e/evm.c b/board/ti/j721e/evm.c\nindex 881392bd963a..67ff13828514 100644\n--- a/board/ti/j721e/evm.c\n+++ b/board/ti/j721e/evm.c\n@@ -17,9 +17,11 @@\n #include <spl.h>\n #include <dm.h>\n #include <asm/arch/k3-ddr.h>\n+#include <power/pmic.h>\n \n #include \"../common/board_detect.h\"\n #include \"../common/fdt_ops.h\"\n+#include \"../common/k3-lpm.h\"\n \n #define board_is_j721e_som()\t(board_ti_k3_is(\"J721EX-PM1-SOM\") || \\\n \t\t\t\t board_ti_k3_is(\"J721EX-PM2-SOM\"))\n@@ -469,6 +471,41 @@ err_free_gpio:\n \t}\n }\n \n+#if (IS_ENABLED(CONFIG_SPL_BUILD) && IS_ENABLED(CONFIG_TARGET_J7200_R5_EVM))\n+\n+bool j7xx_board_is_resuming(void)\n+{\n+\tstruct udevice *pmica;\n+\tint ret;\n+\n+\tif (gd_k3_resuming() != K3_RESUME_STATE_UNKNOWN)\n+\t\tgoto end;\n+\n+\tret = uclass_get_device_by_name(UCLASS_PMIC,\n+\t\t\t\t\t\"pmic@48\", &pmica);\n+\tif (ret) {\n+\t\tprintf(\"Getting PMICA init failed: %d\\n\", ret);\n+\t\tgoto end;\n+\t}\n+\tdebug(\"%s: PMICA is detected (%s)\\n\", __func__, pmica->name);\n+\n+\tif (pmic_reg_read(pmica, K3_LPM_SCRATCH_PAD_REG) == K3_LPM_MAGIC_SUSPEND) {\n+\t\tdebug(\"%s: board is resuming\\n\", __func__);\n+\t\tgd_set_k3_resuming(K3_RESUME_STATE_RESUMING);\n+\n+\t\t/* clean magic suspend */\n+\t\tif (pmic_reg_write(pmica, K3_LPM_SCRATCH_PAD_REG, 0))\n+\t\t\tprintf(\"Failed to clean magic value for suspend detection in PMICA\\n\");\n+\t} else {\n+\t\tdebug(\"%s: board is booting (no resume detected)\\n\", __func__);\n+\t\tgd_set_k3_resuming(K3_RESUME_STATE_BOOTING);\n+\t}\n+end:\n+\treturn gd_k3_resuming() == K3_RESUME_STATE_RESUMING;\n+}\n+\n+#endif /* CONFIG_SPL_BUILD && CONFIG_TARGET_J7200_R5_EVM */\n+\n void spl_board_init(void)\n {\n \tstruct udevice *dev;\n", "prefixes": [ "03/20" ] }