From patchwork Wed Feb 22 14:43:02 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Christophe Leroy X-Patchwork-Id: 1746277 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=112.213.38.117; helo=lists.ozlabs.org; envelope-from=linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4PMJwX6dGLz23yr for ; Thu, 23 Feb 2023 01:50:04 +1100 (AEDT) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4PMJwX5vsXz3fbn for ; Thu, 23 Feb 2023 01:50:04 +1100 (AEDT) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=csgroup.eu (client-ip=93.17.235.10; helo=pegase2.c-s.fr; envelope-from=christophe.leroy@csgroup.eu; receiver=) Received: from pegase2.c-s.fr (pegase2.c-s.fr [93.17.235.10]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4PMJnt1y3Dz3cLR for ; Thu, 23 Feb 2023 01:44:18 +1100 (AEDT) Received: from localhost (mailhub3.si.c-s.fr [172.26.127.67]) by localhost (Postfix) with ESMTP id 4PMJn857bcz9sTc; Wed, 22 Feb 2023 15:43:40 +0100 (CET) X-Virus-Scanned: amavisd-new at c-s.fr Received: from pegase2.c-s.fr ([172.26.127.65]) by localhost (pegase2.c-s.fr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 9AecQYCvWdz0; Wed, 22 Feb 2023 15:43:40 +0100 (CET) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase2.c-s.fr (Postfix) with ESMTP id 4PMJmx0v5Cz9sTf; Wed, 22 Feb 2023 15:43:29 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 0602F8B77C; Wed, 22 Feb 2023 15:43:29 +0100 (CET) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id uNvHM5itcr58; Wed, 22 Feb 2023 15:43:28 +0100 (CET) Received: from PO20335.IDSI0.si.c-s.fr (unknown [172.25.230.108]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 7CAD18B780; Wed, 22 Feb 2023 15:43:28 +0100 (CET) Received: from PO20335.IDSI0.si.c-s.fr (localhost [127.0.0.1]) by PO20335.IDSI0.si.c-s.fr (8.17.1/8.16.1) with ESMTPS id 31MEhNxg1187145 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Wed, 22 Feb 2023 15:43:23 +0100 Received: (from chleroy@localhost) by PO20335.IDSI0.si.c-s.fr (8.17.1/8.17.1/Submit) id 31MEhNKe1187144; Wed, 22 Feb 2023 15:43:23 +0100 X-Authentication-Warning: PO20335.IDSI0.si.c-s.fr: chleroy set sender to christophe.leroy@csgroup.eu using -f From: Christophe Leroy To: =?utf-8?q?Pali_Roh=C3=A1r?= , Michael Ellerman , Nicholas Piggin Subject: [PATCH v4 15/17] powerpc/85xx: p2020: Define just one machine description Date: Wed, 22 Feb 2023 15:43:02 +0100 Message-Id: <843250d1ec6f7a82cd1520a49fd7a0eb11d83dca.1677076552.git.christophe.leroy@csgroup.eu> X-Mailer: git-send-email 2.39.1 In-Reply-To: References: MIME-Version: 1.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1677076980; l=3635; i=christophe.leroy@csgroup.eu; s=20211009; h=from:subject:message-id; bh=shRj6KVTCIIsJ9Wf7rHrcIzp7ViO6jdaQQYKC3uM6e0=; b=Dpr9CGHpwoyGRrKfKcxdrjR7+FKJwT8irMxB0B1rNSCyuPLzQMUkhJ0RiiXTczuQbVgR5jyXd4I0 /x/Q28vjBRcv7JWFMQuJiBHUTHU73oNBrgtcjoTaj9bAjbCH8HzT X-Developer-Key: i=christophe.leroy@csgroup.eu; a=ed25519; pk=HIzTzUj91asvincQGOFx6+ZF5AoUuP9GdOtQChs7Mm0= X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" From: Pali Rohár Combine machine descriptions and code of all P2020 boards into just one generic unified P2020 machine description. This allows kernel to boot on any P2020-based board with P2020 DTS file without need to patch kernel and define a new machine description in 85xx powerpc platform directory. Signed-off-by: Pali Rohár Signed-off-by: Christophe Leroy --- arch/powerpc/platforms/85xx/p2020.c | 77 ++++++----------------------- 1 file changed, 15 insertions(+), 62 deletions(-) diff --git a/arch/powerpc/platforms/85xx/p2020.c b/arch/powerpc/platforms/85xx/p2020.c index 684ad1ea7362..21584d81f3d9 100644 --- a/arch/powerpc/platforms/85xx/p2020.c +++ b/arch/powerpc/platforms/85xx/p2020.c @@ -60,83 +60,36 @@ static void __init p2020_setup_arch(void) mpc85xx_qe_par_io_init(); } -#ifdef CONFIG_MPC85xx_DS -machine_arch_initcall(p2020_ds, mpc85xx_common_publish_devices); -#endif /* CONFIG_MPC85xx_DS */ - -#ifdef CONFIG_MPC85xx_RDB -machine_arch_initcall(p2020_rdb, mpc85xx_common_publish_devices); -machine_arch_initcall(p2020_rdb_pc, mpc85xx_common_publish_devices); -#endif /* CONFIG_MPC85xx_RDB */ +machine_arch_initcall(p2020, mpc85xx_common_publish_devices); /* * Called very early, device-tree isn't unflattened */ -#ifdef CONFIG_MPC85xx_DS -static int __init p2020_ds_probe(void) +static int __init p2020_probe(void) { - return !!of_machine_is_compatible("fsl,P2020DS"); -} -#endif /* CONFIG_MPC85xx_DS */ + struct device_node *p2020_cpu; -#ifdef CONFIG_MPC85xx_RDB -static int __init p2020_rdb_probe(void) -{ - if (of_machine_is_compatible("fsl,P2020RDB")) - return 1; - return 0; -} + /* + * There is no common compatible string for all P2020 boards. + * The only common thing is "PowerPC,P2020@0" cpu node. + * So check for P2020 board via this cpu node. + */ + p2020_cpu = of_find_node_by_path("/cpus/PowerPC,P2020@0"); + of_node_put(p2020_cpu); -static int __init p2020_rdb_pc_probe(void) -{ - if (of_machine_is_compatible("fsl,P2020RDB-PC")) - return 1; - return 0; + return !!p2020_cpu; } -#endif /* CONFIG_MPC85xx_RDB */ - -#ifdef CONFIG_MPC85xx_DS -define_machine(p2020_ds) { - .name = "P2020 DS", - .probe = p2020_ds_probe, - .setup_arch = p2020_setup_arch, - .init_IRQ = p2020_pic_init, -#ifdef CONFIG_PCI - .pcibios_fixup_bus = fsl_pcibios_fixup_bus, - .pcibios_fixup_phb = fsl_pcibios_fixup_phb, -#endif - .get_irq = mpic_get_irq, - .calibrate_decr = generic_calibrate_decr, - .progress = udbg_progress, -}; -#endif /* CONFIG_MPC85xx_DS */ - -#ifdef CONFIG_MPC85xx_RDB -define_machine(p2020_rdb) { - .name = "P2020 RDB", - .probe = p2020_rdb_probe, - .setup_arch = p2020_setup_arch, - .init_IRQ = p2020_pic_init, -#ifdef CONFIG_PCI - .pcibios_fixup_bus = fsl_pcibios_fixup_bus, - .pcibios_fixup_phb = fsl_pcibios_fixup_phb, -#endif - .get_irq = mpic_get_irq, - .calibrate_decr = generic_calibrate_decr, - .progress = udbg_progress, -}; -define_machine(p2020_rdb_pc) { - .name = "P2020RDB-PC", - .probe = p2020_rdb_pc_probe, +define_machine(p2020) { + .name = "Freescale P2020", + .probe = p2020_probe, .setup_arch = p2020_setup_arch, .init_IRQ = p2020_pic_init, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, - .pcibios_fixup_phb = fsl_pcibios_fixup_phb, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #endif .get_irq = mpic_get_irq, .calibrate_decr = generic_calibrate_decr, .progress = udbg_progress, }; -#endif /* CONFIG_MPC85xx_RDB */