From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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 3ymfTX6fGyzDrD7 for ; Wed, 29 Nov 2017 10:08:00 +1100 (AEDT) Received: from pps.filterd (m0098419.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id vASN4Ge4056294 for ; Tue, 28 Nov 2017 18:07:58 -0500 Received: from e13.ny.us.ibm.com (e13.ny.us.ibm.com [129.33.205.203]) by mx0b-001b2d01.pphosted.com with ESMTP id 2ehg542930-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Tue, 28 Nov 2017 18:07:58 -0500 Received: from localhost by e13.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 28 Nov 2017 18:07:57 -0500 To: linuxppc-dev@lists.ozlabs.org Cc: Michael Bringmann , nfont@linux.vnet.ibm.com From: Michael Bringmann Subject: Resend: [PATCH V5 1/4] powerpc/firmware: Add definitions for new drc-info firmware feature In-Reply-To: <7f95fe4c-fcf5-9263-5fe5-0ad140cbc078@linux.vnet.ibm.com> Date: Tue, 28 Nov 2017 17:07:38 -0600 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Message-Id: <8fcf48ed-b14e-0177-1be7-178622a540ad@linux.vnet.ibm.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Firmware Features: Define new bit flag representing the presence of new device tree property "ibm,drc-info". The flag is used to tell the front end processor whether the Linux kernel supports the new property, and by the front end processor to tell the Linux kernel that the new property is present in the device tree. Signed-off-by: Michael Bringmann --- arch/powerpc/include/asm/firmware.h | 3 ++- arch/powerpc/include/asm/prom.h | 1 + arch/powerpc/platforms/pseries/firmware.c | 1 + 3 files changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/include/asm/firmware.h b/arch/powerpc/include/asm/firmware.h index 8645897..329d537 100644 --- a/arch/powerpc/include/asm/firmware.h +++ b/arch/powerpc/include/asm/firmware.h @@ -51,6 +51,7 @@ #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_DRC_INFO ASM_CONST(0x0000000400000000) #ifndef __ASSEMBLY__ @@ -67,7 +68,7 @@ enum { 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_HPT_RESIZE, + FW_FEATURE_HPT_RESIZE | 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 825bd59..3243455 100644 --- a/arch/powerpc/include/asm/prom.h +++ b/arch/powerpc/include/asm/prom.h @@ -175,6 +175,7 @@ struct of_drconf_cell { #define OV5_HASH_GTSE 0x1940 /* Guest Translation Shoot Down Avail */ /* Radix Table Extensions */ #define OV5_RADIX_GTSE 0x1A40 /* Guest Translation Shoot Down Avail */ +#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 63cc82a..757d757 100644 --- a/arch/powerpc/platforms/pseries/firmware.c +++ b/arch/powerpc/platforms/pseries/firmware.c @@ -114,6 +114,7 @@ struct vec5_fw_feature { vec5_fw_features_table[] = { {FW_FEATURE_TYPE1_AFFINITY, OV5_TYPE1_AFFINITY}, {FW_FEATURE_PRRN, OV5_PRRN}, + {FW_FEATURE_DRC_INFO, OV5_DRC_INFO}, }; static void __init fw_vec5_feature_init(const char *vec5, unsigned long len)