From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.9 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BC674C04A6B for ; Wed, 8 May 2019 06:44:27 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 430B720989 for ; Wed, 8 May 2019 06:44:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 430B720989 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.ibm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 44zRls5D31zDqQQ for ; Wed, 8 May 2019 16:44:25 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=linux.ibm.com (client-ip=148.163.158.5; helo=mx0a-001b2d01.pphosted.com; envelope-from=ajd@linux.ibm.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.ibm.com Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 44zRXJ638MzDqS0 for ; Wed, 8 May 2019 16:34:24 +1000 (AEST) Received: from pps.filterd (m0098413.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x486XcWx052303 for ; Wed, 8 May 2019 02:34:20 -0400 Received: from e06smtp03.uk.ibm.com (e06smtp03.uk.ibm.com [195.75.94.99]) by mx0b-001b2d01.pphosted.com with ESMTP id 2sbq4h75hw-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Wed, 08 May 2019 02:34:20 -0400 Received: from localhost by e06smtp03.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Wed, 8 May 2019 07:34:17 +0100 Received: from d06av24.portsmouth.uk.ibm.com (d06av24.portsmouth.uk.ibm.com [9.149.105.60]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x486YGED58327106 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Wed, 8 May 2019 06:34:16 GMT Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1FAC142049 for ; Wed, 8 May 2019 06:34:16 +0000 (GMT) Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 814B44203F for ; Wed, 8 May 2019 06:34:15 +0000 (GMT) Received: from ozlabs.au.ibm.com (unknown [9.192.253.14]) by d06av24.portsmouth.uk.ibm.com (Postfix) with ESMTP for ; Wed, 8 May 2019 06:34:15 +0000 (GMT) Received: from intelligence.ozlabs.ibm.com (unknown [9.81.222.76]) (using TLSv1.2 with cipher DHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ozlabs.au.ibm.com (Postfix) with ESMTPSA id B69F8A01A2 for ; Wed, 8 May 2019 16:34:13 +1000 (AEST) From: Andrew Donnellan To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH] powerpc/powernv: Move SCOM access code into powernv platform Date: Wed, 8 May 2019 16:34:01 +1000 X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 x-cbid: 19050806-0012-0000-0000-000003196D71 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19050806-0013-0000-0000-00002151ED8F Message-Id: <20190508063401.17463-1-ajd@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-05-08_05:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1905080042 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: , Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" The powernv platform is the only one that directly accesses SCOMs. Move the support code to platforms/powernv, and get rid of the PPC_SCOM Kconfig option, as SCOM support is always selected when compiling for powernv. This also means that the Kconfig item for CONFIG_SCOM_DEBUGFS will actually show up in menuconfig, as previously it was the only labelled option in sysdev/Kconfig and wasn't actually in a menu. Signed-off-by: Andrew Donnellan --- arch/powerpc/include/asm/scom.h | 4 ++-- arch/powerpc/platforms/powernv/Kconfig | 5 ++++- arch/powerpc/platforms/powernv/Makefile | 2 +- arch/powerpc/{sysdev => platforms/powernv}/scom.c | 0 arch/powerpc/sysdev/Kconfig | 7 ------- arch/powerpc/sysdev/Makefile | 2 -- 6 files changed, 7 insertions(+), 13 deletions(-) rename arch/powerpc/{sysdev => platforms/powernv}/scom.c (100%) diff --git a/arch/powerpc/include/asm/scom.h b/arch/powerpc/include/asm/scom.h index f5cde45b1161..acc6532a9a9e 100644 --- a/arch/powerpc/include/asm/scom.h +++ b/arch/powerpc/include/asm/scom.h @@ -23,7 +23,7 @@ #ifdef __KERNEL__ #ifndef __ASSEMBLY__ -#ifdef CONFIG_PPC_SCOM +#ifdef CONFIG_PPC_POWERNV /* * The SCOM bus is a sideband bus used for accessing various internal @@ -161,7 +161,7 @@ static inline int scom_write(scom_map_t map, u64 reg, u64 value) } -#endif /* CONFIG_PPC_SCOM */ +#endif /* CONFIG_PPC_POWERNV */ #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_SCOM_H */ diff --git a/arch/powerpc/platforms/powernv/Kconfig b/arch/powerpc/platforms/powernv/Kconfig index 850eee860cf2..938803eab0ad 100644 --- a/arch/powerpc/platforms/powernv/Kconfig +++ b/arch/powerpc/platforms/powernv/Kconfig @@ -12,7 +12,6 @@ config PPC_POWERNV select EPAPR_BOOT select PPC_INDIRECT_PIO select PPC_UDBG_16550 - select PPC_SCOM select ARCH_RANDOM select CPU_FREQ select PPC_DOORBELL @@ -47,3 +46,7 @@ config PPC_VAS VAS adapters are found in POWER9 based systems. If unsure, say N. + +config SCOM_DEBUGFS + bool "Expose SCOM controllers via debugfs" + depends on DEBUG_FS diff --git a/arch/powerpc/platforms/powernv/Makefile b/arch/powerpc/platforms/powernv/Makefile index da2e99efbd04..4b1644150135 100644 --- a/arch/powerpc/platforms/powernv/Makefile +++ b/arch/powerpc/platforms/powernv/Makefile @@ -4,12 +4,12 @@ obj-y += idle.o opal-rtc.o opal-nvram.o opal-lpc.o opal-flash.o obj-y += rng.o opal-elog.o opal-dump.o opal-sysparam.o opal-sensor.o obj-y += opal-msglog.o opal-hmi.o opal-power.o opal-irqchip.o obj-y += opal-kmsg.o opal-powercap.o opal-psr.o opal-sensor-groups.o +obj-y += opal-xscom.o scom.o obj-$(CONFIG_SMP) += smp.o subcore.o subcore-asm.o obj-$(CONFIG_PCI) += pci.o pci-ioda.o npu-dma.o pci-ioda-tce.o obj-$(CONFIG_CXL_BASE) += pci-cxl.o obj-$(CONFIG_EEH) += eeh-powernv.o -obj-$(CONFIG_PPC_SCOM) += opal-xscom.o obj-$(CONFIG_MEMORY_FAILURE) += opal-memory-errors.o obj-$(CONFIG_OPAL_PRD) += opal-prd.o obj-$(CONFIG_PERF_EVENTS) += opal-imc.o diff --git a/arch/powerpc/sysdev/scom.c b/arch/powerpc/platforms/powernv/scom.c similarity index 100% rename from arch/powerpc/sysdev/scom.c rename to arch/powerpc/platforms/powernv/scom.c diff --git a/arch/powerpc/sysdev/Kconfig b/arch/powerpc/sysdev/Kconfig index e0dbec780fe9..7808d279ff1d 100644 --- a/arch/powerpc/sysdev/Kconfig +++ b/arch/powerpc/sysdev/Kconfig @@ -28,13 +28,6 @@ config PPC_MSI_BITMAP source "arch/powerpc/sysdev/xics/Kconfig" source "arch/powerpc/sysdev/xive/Kconfig" -config PPC_SCOM - bool - -config SCOM_DEBUGFS - bool "Expose SCOM controllers via debugfs" - depends on PPC_SCOM && DEBUG_FS - config GE_FPGA bool diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile index aaf23283ba0c..35d52d1d2fc0 100644 --- a/arch/powerpc/sysdev/Makefile +++ b/arch/powerpc/sysdev/Makefile @@ -51,8 +51,6 @@ ifdef CONFIG_SUSPEND obj-$(CONFIG_PPC_BOOK3S_32) += 6xx-suspend.o endif -obj-$(CONFIG_PPC_SCOM) += scom.o - obj-$(CONFIG_PPC_EARLY_DEBUG_MEMCONS) += udbg_memcons.o obj-$(CONFIG_PPC_XICS) += xics/ -- 2.20.1