From patchwork Thu Oct 27 14:24:28 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Bringmann X-Patchwork-Id: 687687 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [103.22.144.68]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3t4TwS3M2Tz9sXx for ; Fri, 28 Oct 2016 01:36:24 +1100 (AEDT) Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 3t4TwS2bJjzDvsK for ; Fri, 28 Oct 2016 01:36:24 +1100 (AEDT) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org 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 3t4Tnw0Jp5zDvLS for ; Fri, 28 Oct 2016 01:30:43 +1100 (AEDT) Received: from pps.filterd (m0098421.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id u9RESiTw047330 for ; Thu, 27 Oct 2016 10:30:41 -0400 Received: from e38.co.us.ibm.com (e38.co.us.ibm.com [32.97.110.159]) by mx0a-001b2d01.pphosted.com with ESMTP id 26bj3awptw-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Thu, 27 Oct 2016 10:30:41 -0400 Received: from localhost by e38.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 27 Oct 2016 08:30:39 -0600 Received: from d03dlp01.boulder.ibm.com (9.17.202.177) by e38.co.us.ibm.com (192.168.1.138) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Thu, 27 Oct 2016 08:30:38 -0600 Received: from b01cxnp23032.gho.pok.ibm.com (b01cxnp23032.gho.pok.ibm.com [9.57.198.27]) by d03dlp01.boulder.ibm.com (Postfix) with ESMTP id C27D11FF003B for ; Thu, 27 Oct 2016 08:30:17 -0600 (MDT) Received: from b01ledav002.gho.pok.ibm.com (b01ledav002.gho.pok.ibm.com [9.57.199.107]) by b01cxnp23032.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u9REUbDG15466914 for ; Thu, 27 Oct 2016 14:30:37 GMT Received: from b01ledav002.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 31BFE124037 for ; Thu, 27 Oct 2016 10:30:37 -0400 (EDT) Received: from powerkvm6.aus.stglabs.ibm.com (unknown [9.40.192.78]) by b01ledav002.gho.pok.ibm.com (Postfix) with ESMTP id 13FAA124051 for ; Thu, 27 Oct 2016 10:30:37 -0400 (EDT) Received: from powerkvm6.aus.stglabs.ibm.com (localhost [IPv6:::1]) by powerkvm6.aus.stglabs.ibm.com (Postfix) with ESMTP id 76F19C203E31 for ; Thu, 27 Oct 2016 09:24:28 -0500 (CDT) Subject: [PATCH V8 1/8] powerpc/firmware: Add definitions for new firmware features. From: Michael Bringmann To: linuxppc-dev@lists.ozlabs.org Date: Thu, 27 Oct 2016 09:24:28 -0500 In-Reply-To: <147757821176.2995.6400281020620333555.stgit@powerkvm6.aus.stglabs.ibm.com> References: <147757821176.2995.6400281020620333555.stgit@powerkvm6.aus.stglabs.ibm.com> User-Agent: StGit/0.17.1-19-gef93c MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16102714-0028-0000-0000-000005E64345 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00005988; HX=3.00000240; KW=3.00000007; PH=3.00000004; SC=3.00000188; SDB=6.00773499; UDB=6.00371415; IPR=6.00550331; BA=6.00004836; NDR=6.00000001; ZLA=6.00000005; ZF=6.00000009; ZB=6.00000000; ZP=6.00000000; ZH=6.00000000; ZU=6.00000002; MB=3.00013115; XFM=3.00000011; UTC=2016-10-27 14:30:39 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 16102714-0029-0000-0000-0000305DCAFF Message-Id: <147757825707.2995.5140446748238845005.stgit@powerkvm6.aus.stglabs.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-10-27_09:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=1 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1609300000 definitions=main-1610270240 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.23 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+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" Firmware Features: Define new bit flags representing the presence of new device tree properties "ibm,drc-info", and "ibm,dynamic-memory-v2". These flags are used to tell the front end processor when the Linux kernel supports the new properties, and by the front end processor to tell the Linux kernel that the new properties are present in the devie tree. [V2: Revise constant names for improved clarity.] [V3: Fix comments] [V4: Fix some spacing] [V5: Resynchronize/resubmit] [V6: No change] [V7: Correct mail threading] [v8: Insert more useful variable names] Signed-off-by: Michael Bringmann --- arch/powerpc/include/asm/firmware.h | 5 ++++- arch/powerpc/include/asm/prom.h | 2 ++ arch/powerpc/platforms/pseries/firmware.c | 2 ++ 3 files changed, 8 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/include/asm/firmware.h b/arch/powerpc/include/asm/firmware.h index 1e0b5a5..6b5cf38 100644 --- a/arch/powerpc/include/asm/firmware.h +++ b/arch/powerpc/include/asm/firmware.h @@ -51,6 +51,8 @@ #define FW_FEATURE_BEST_ENERGY ASM_CONST(0x0000000080000000) #define FW_FEATURE_TYPE1_AFFINITY ASM_CONST(0x0000000100000000) #define FW_FEATURE_PRRN ASM_CONST(0x0000000200000000) +#define FW_FEATURE_DYN_MEM_V2 ASM_CONST(0x0000000400000000) +#define FW_FEATURE_DRC_INFO ASM_CONST(0x0000000800000000) #ifndef __ASSEMBLY__ @@ -66,7 +68,8 @@ enum { FW_FEATURE_MULTITCE | FW_FEATURE_SPLPAR | FW_FEATURE_LPAR | FW_FEATURE_CMO | FW_FEATURE_VPHN | FW_FEATURE_XCMO | FW_FEATURE_SET_MODE | FW_FEATURE_BEST_ENERGY | - FW_FEATURE_TYPE1_AFFINITY | FW_FEATURE_PRRN, + FW_FEATURE_TYPE1_AFFINITY | FW_FEATURE_PRRN | + FW_FEATURE_DYN_MEM_V2 | FW_FEATURE_DRC_INFO, FW_FEATURE_PSERIES_ALWAYS = 0, FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL, FW_FEATURE_POWERNV_ALWAYS = 0, diff --git a/arch/powerpc/include/asm/prom.h b/arch/powerpc/include/asm/prom.h index 7f436ba..bc7c4b5 100644 --- a/arch/powerpc/include/asm/prom.h +++ b/arch/powerpc/include/asm/prom.h @@ -155,6 +155,8 @@ struct of_drconf_cell { #define OV5_PFO_HW_842 0x0E40 /* PFO Compression Accelerator */ #define OV5_PFO_HW_ENCR 0x0E20 /* PFO Encryption Accelerator */ #define OV5_SUB_PROCESSORS 0x0F01 /* 1,2,or 4 Sub-Processors supported */ +#define OV5_DYN_MEM_V2 0x1680 /* Redef Prop Structures: dyn-mem-v2 */ +#define OV5_DRC_INFO 0x1640 /* Redef Prop Structures: drc-info */ /* Option Vector 6: IBM PAPR hints */ #define OV6_LINUX 0x02 /* Linux is our OS */ diff --git a/arch/powerpc/platforms/pseries/firmware.c b/arch/powerpc/platforms/pseries/firmware.c index ea7f09b..d2d23f5 100644 --- a/arch/powerpc/platforms/pseries/firmware.c +++ b/arch/powerpc/platforms/pseries/firmware.c @@ -113,6 +113,8 @@ static __initdata struct vec5_fw_feature vec5_fw_features_table[] = { {FW_FEATURE_TYPE1_AFFINITY, OV5_TYPE1_AFFINITY}, {FW_FEATURE_PRRN, OV5_PRRN}, + {FW_FEATURE_DYN_MEM_V2, OV5_DYN_MEM_V2}, + {FW_FEATURE_DRC_INFO, OV5_DRC_INFO}, }; static void __init fw_vec5_feature_init(const char *vec5, unsigned long len)