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GET /api/patches/2217871/?format=api
{ "id": 2217871, "url": "http://patchwork.ozlabs.org/api/patches/2217871/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20260330-mtk-mt8189-cpu-type-v1-1-4059c3b52761@baylibre.com/", "project": { "id": 18, "url": "http://patchwork.ozlabs.org/api/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": "<20260330-mtk-mt8189-cpu-type-v1-1-4059c3b52761@baylibre.com>", "list_archive_url": null, "date": "2026-03-30T20:23:18", "name": "[1/2] arm: mediatek: add SIP platform bininfo lookups", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "e3ea714c322e01918b5e3456581e796f679c60bc", "submitter": { "id": 87228, "url": "http://patchwork.ozlabs.org/api/people/87228/?format=api", "name": "David Lechner", "email": "dlechner@baylibre.com" }, "delegate": { "id": 161331, "url": "http://patchwork.ozlabs.org/api/users/161331/?format=api", "username": "dlech", "first_name": "David", "last_name": "Lechner", "email": "dlechner@baylibre.com" }, "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/20260330-mtk-mt8189-cpu-type-v1-1-4059c3b52761@baylibre.com/mbox/", "series": [ { "id": 498087, "url": "http://patchwork.ozlabs.org/api/series/498087/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=498087", "date": "2026-03-30T20:23:17", "name": "arm: mediatek: print specific CPU type", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/498087/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2217871/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2217871/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=baylibre-com.20230601.gappssmtp.com\n header.i=@baylibre-com.20230601.gappssmtp.com header.a=rsa-sha256\n header.s=20230601 header.b=1HUgDKTf;\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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charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "Message-Id": "<20260330-mtk-mt8189-cpu-type-v1-1-4059c3b52761@baylibre.com>", "References": "<20260330-mtk-mt8189-cpu-type-v1-0-4059c3b52761@baylibre.com>", "In-Reply-To": "<20260330-mtk-mt8189-cpu-type-v1-0-4059c3b52761@baylibre.com>", "To": "Tom Rini <trini@konsulko.com>, Ryder Lee <ryder.lee@mediatek.com>,\n Weijie Gao <weijie.gao@mediatek.com>,\n Chunfeng Yun <chunfeng.yun@mediatek.com>,\n Igor Belwon <igor.belwon@mentallysanemainliners.org>,\n GSS_MTK_Uboot_upstream <GSS_MTK_Uboot_upstream@mediatek.com>", "Cc": "Julien Stephan <jstephan@baylibre.com>, u-boot@lists.denx.de,\n David Lechner <dlechner@baylibre.com>", "X-Mailer": "b4 0.16-dev", "X-Developer-Signature": "v=1; a=openpgp-sha256; l=2861; i=dlechner@baylibre.com;\n h=from:subject:message-id;\n bh=0wQ96CpxG4gTYfxqjYWBRPIfajhuWCb/UVRjlQCFzso=;\n b=owEBhAF7/pANAwAKAcLMIAH/AY/AAcsmYgBpytvBdSmt3o05WxutzKlMTWaZyOQLTlJ2QvaNc\n 7/9+dq5ISOJAUoEAAEKADQWIQTsGNmeYg6D1pzYaJjCzCAB/wGPwAUCacrbwRYcZGxlY2huZXJA\n YmF5bGlicmUuY29tAAoJEMLMIAH/AY/AM0cIAJwIkaJ/VywZgLjt8VFdpiJfLxV53iTWYuv5zHj\n qoOd4U1argkRLWyBbFVL78NdX9Uc1D/AbKhKKYCQtTZTvQLOSa9d+KqWM2pzC/VMYFjU0aOBD1v\n SAs1HIxH77Y3P/C62rpk9mjaQ2xhzRL94m1zwcWJxEBLvJ8wKgz+LUYm8UCTPPw/SidiMHv+Skm\n RdEgJ5v9NVu/bDGGqo7jD57r+ZywtTYMa70SerInSEcJhnbgkymvb6INHC57bNyJ6WlLAfBPcUR\n iLEscN58TAvp0DvJu+KvyzXOPqpKN1S5q9kGtbvG+MBZdgvDYEBi21md1lSmGxWr1Qm2pq5TV4E\n 1zQc=", "X-Developer-Key": "i=dlechner@baylibre.com; a=openpgp;\n fpr=8A73D82A6A1F509907F373881F8AF88C82F77C03", "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": "Add a couple of functions to look up the segment and part name using SIP\ncalls. These will be used to print more accurate CPU information in\nprint_cpuinfo().\n\nSigned-off-by: David Lechner <dlechner@baylibre.com>\n---\n arch/arm/mach-mediatek/cpu.c | 55 ++++++++++++++++++++++++++++++++++++++++++++\n arch/arm/mach-mediatek/cpu.h | 14 +++++++++++\n 2 files changed, 69 insertions(+)", "diff": "diff --git a/arch/arm/mach-mediatek/cpu.c b/arch/arm/mach-mediatek/cpu.c\nindex 8e8bc4f9cea..56a41e42df6 100644\n--- a/arch/arm/mach-mediatek/cpu.c\n+++ b/arch/arm/mach-mediatek/cpu.c\n@@ -8,6 +8,11 @@\n #include <init.h>\n #include <wdt.h>\n #include <dm/uclass-internal.h>\n+#include <linux/arm-smccc.h>\n+#include <linux/types.h>\n+\n+#define MTK_SIP_PLAT_BINFO ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, ARM_SMCCC_SMC_64, \\\n+\t\t\t\t\t ARM_SMCCC_OWNER_SIP, 0x529)\n \n int arch_cpu_init(void)\n {\n@@ -21,3 +26,53 @@ void enable_caches(void)\n \t/* Enable D-cache. I-cache is already enabled in start.S */\n \tdcache_enable();\n }\n+\n+/**\n+ * mediatek_sip_part_name - get the part name\n+ *\n+ * Retrieve the part name of platform description.\n+ *\n+ * This only applicable to SoCs that support SIP plat binfo SMC call.\n+ *\n+ * Returns: the part name or 0 if error or no part name\n+ */\n+u32 mediatek_sip_part_name(void)\n+{\n+\tif (CONFIG_IS_ENABLED(TARGET_MT8188) || CONFIG_IS_ENABLED(TARGET_MT8189) ||\n+\t CONFIG_IS_ENABLED(TARGET_MT8195) || CONFIG_IS_ENABLED(TARGET_MT8365)) {\n+\t\tstruct arm_smccc_res res __maybe_unused;\n+\n+\t\tarm_smccc_smc(MTK_SIP_PLAT_BINFO, 0, 0, 0, 0, 0, 0, 0, &res);\n+\t\tif (res.a0)\n+\t\t\treturn 0;\n+\n+\t\treturn res.a1;\n+\t}\n+\n+\treturn 0;\n+}\n+\n+/**\n+ * mediatek_sip_segment_name - get the segment name\n+ *\n+ * Retrieve the segment name of platform description.\n+ *\n+ * This only applicable to SoCs that support SIP plat binfo SMC call.\n+ *\n+ * Returns: the segment name or 0 if error or no segment name\n+ */\n+u32 mediatek_sip_segment_name(void)\n+{\n+\tif (CONFIG_IS_ENABLED(TARGET_MT8188) || CONFIG_IS_ENABLED(TARGET_MT8189) ||\n+\t CONFIG_IS_ENABLED(TARGET_MT8195) || CONFIG_IS_ENABLED(TARGET_MT8365)) {\n+\t\tstruct arm_smccc_res res __maybe_unused;\n+\n+\t\tarm_smccc_smc(MTK_SIP_PLAT_BINFO, 1, 0, 0, 0, 0, 0, 0, &res);\n+\t\tif (res.a0)\n+\t\t\treturn 0;\n+\n+\t\treturn res.a1;\n+\t}\n+\n+\treturn 0;\n+}\ndiff --git a/arch/arm/mach-mediatek/cpu.h b/arch/arm/mach-mediatek/cpu.h\nnew file mode 100644\nindex 00000000000..768284e487f\n--- /dev/null\n+++ b/arch/arm/mach-mediatek/cpu.h\n@@ -0,0 +1,14 @@\n+/* SPDX-License-Identifier: GPL-2.0-only */\n+/*\n+ * Copyright (C) 2026 MediaTek Inc.\n+ */\n+\n+#ifndef _MACH_MEDIATEK_CPU_H_\n+#define _MACH_MEDIATEK_CPU_H_\n+\n+#include <linux/types.h>\n+\n+u32 mediatek_sip_segment_name(void);\n+u32 mediatek_sip_part_name(void);\n+\n+#endif /* _MACH_MEDIATEK_CPU_H_ */\n", "prefixes": [ "1/2" ] }