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 3tcmjV5bJHzDvkP for ; Tue, 13 Dec 2016 02:19:58 +1100 (AEDT) Received: from pps.filterd (m0098414.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id uBCFEDKo082181 for ; Mon, 12 Dec 2016 10:19:55 -0500 Received: from e36.co.us.ibm.com (e36.co.us.ibm.com [32.97.110.154]) by mx0b-001b2d01.pphosted.com with ESMTP id 279u71ep9w-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Mon, 12 Dec 2016 10:19:55 -0500 Received: from localhost by e36.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 12 Dec 2016 08:19:53 -0700 Received: from b01cxnp22033.gho.pok.ibm.com (b01cxnp22033.gho.pok.ibm.com [9.57.198.23]) by d03dlp02.boulder.ibm.com (Postfix) with ESMTP id 578F23E4003F for ; Mon, 12 Dec 2016 08:19:51 -0700 (MST) Subject: Re: [PATCH V9 1/8] powerpc/firmware: Add definitions for new firmware features. To: Michael Bringmann , linuxppc-dev@lists.ozlabs.org References: <148109469581.193207.1684012254014049364.stgit@powerkvm6.aus.stglabs.ibm.com> <148109483155.193207.7458792041495158698.stgit@powerkvm6.aus.stglabs.ibm.com> From: Nathan Fontenot Date: Mon, 12 Dec 2016 09:19:49 -0600 MIME-Version: 1.0 In-Reply-To: <148109483155.193207.7458792041495158698.stgit@powerkvm6.aus.stglabs.ibm.com> Content-Type: text/plain; charset=utf-8 Message-Id: <8d021d3e-f83c-11d1-712f-9ee48e5fa3d3@linux.vnet.ibm.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On 12/07/2016 01:14 AM, Michael Bringmann wrote: > 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. > > Signed-off-by: Michael Bringmann Reviewed-by: Nathan Fontenot > --- > 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 @@ 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) >