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Mon, 3 Jun 2024 13:34:55 +0000 From: lukas.funke-oss@weidmueller.com To: u-boot@lists.denx.de Cc: Michal Simek , Lukas Funke , Abdellatif El Khlifi , Ashok Reddy Soma , Caleb Connolly , Christian Taedcke , Ilias Apalodimas , Jaehoon Chung , Peng Fan , Peter Robinson , Simon Glass , Sumit Garg , Svyatoslav Ryhel , Tom Rini , Venkatesh Yadav Abbarapu Subject: [PATCH 0/2] Enable reset_cpu() in SPL for ZynqMP Date: Mon, 3 Jun 2024 15:34:45 +0200 Message-Id: <20240603133447.173402-1-lukas.funke-oss@weidmueller.com> X-Mailer: git-send-email 2.30.2 X-ClientProxiedBy: FR0P281CA0196.DEUP281.PROD.OUTLOOK.COM (2603:10a6:d10:ad::18) To AS2PR08MB8431.eurprd08.prod.outlook.com (2603:10a6:20b:55a::18) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AS2PR08MB8431:EE_|AS4PR08MB7877:EE_ X-MS-Office365-Filtering-Correlation-Id: cb6af98e-bfc0-4f86-29fe-08dc83d1f4a9 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230031|52116005|7416005|1800799015|366007|376005|38350700005; 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This only works if CONFIG_SYSRESET is disabled. This is usually the case since the the regular sysreset requires bl31 firmware to be loaded in order to hand the sysreset over to PMU firmware. In SPL we can talk to the PMU firmware directly and request a CPU reset. The series also introduces SPL_ZYNQMP_FIRMWARE Kconfig symbol in order to make 'CONFIG_IS_ENABLED()' work in SPL. Lukas Funke (2): arm64: zynqmp: Add 'SPL_ZYNQMP_FIRMWARE' to Kconfig xilinx: zynqmp: Enable reset_cpu() in SPL arch/arm/mach-zynqmp/Kconfig | 2 +- arch/arm/mach-zynqmp/aes.c | 2 ++ arch/arm/mach-zynqmp/cpu.c | 4 ++-- board/xilinx/zynqmp/zynqmp.c | 13 +++++++++++-- drivers/firmware/Kconfig | 5 +++++ drivers/mmc/zynq_sdhci.c | 4 ++-- drivers/pinctrl/Kconfig | 2 +- 7 files changed, 24 insertions(+), 8 deletions(-)