From patchwork Thu Oct 14 02:04:02 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: shaohui xie X-Patchwork-Id: 67775 X-Patchwork-Delegate: galak@kernel.crashing.org Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from bilbo.ozlabs.org (localhost [127.0.0.1]) by ozlabs.org (Postfix) with ESMTP id 08B791009EC for ; Thu, 14 Oct 2010 13:32:26 +1100 (EST) Received: from VA3EHSOBE006.bigfish.com (va3ehsobe006.messaging.microsoft.com [216.32.180.16]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (Client CN "mail.global.frontbridge.com", Issuer "Cybertrust SureServer Standard Validation CA" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id DF0211009FE for ; Thu, 14 Oct 2010 13:32:15 +1100 (EST) Received: from mail134-va3-R.bigfish.com (10.7.14.246) by VA3EHSOBE006.bigfish.com (10.7.40.26) with Microsoft SMTP Server id 14.1.225.8; Thu, 14 Oct 2010 02:32:10 +0000 Received: from mail134-va3 (localhost.localdomain [127.0.0.1]) by mail134-va3-R.bigfish.com (Postfix) with ESMTP id ECA0114D0284 for ; Thu, 14 Oct 2010 02:31:53 +0000 (UTC) X-SpamScore: -3 X-BigFish: VS-3(zzbb2cKzz1202hzz8275bhz2dh2a8h67h) X-Spam-TCS-SCL: 6:0 Received: from mail134-va3 (localhost.localdomain [127.0.0.1]) by mail134-va3 (MessageSwitch) id 1287023504987872_6922; Thu, 14 Oct 2010 02:31:44 +0000 (UTC) Received: from VA3EHSMHS016.bigfish.com (unknown [10.7.14.250]) by mail134-va3.bigfish.com (Postfix) with ESMTP id 384FFE8050 for ; Thu, 14 Oct 2010 02:31:39 +0000 (UTC) Received: from az33egw02.freescale.net (192.88.158.103) by VA3EHSMHS016.bigfish.com (10.7.99.26) with Microsoft SMTP Server (TLS) id 14.0.482.44; Thu, 14 Oct 2010 02:31:34 +0000 Received: from de01smr01.freescale.net (de01smr01.freescale.net [10.208.0.31]) by az33egw02.freescale.net (8.14.3/8.14.3) with ESMTP id o9E2VWUh029957 for ; Wed, 13 Oct 2010 19:31:33 -0700 (MST) Received: from zmy16exm20.fsl.freescale.net (zmy16exm20.ap.freescale.net [10.211.3.23]) by de01smr01.freescale.net (8.13.1/8.13.0) with ESMTP id o9E2kfp7024805 for ; Wed, 13 Oct 2010 21:46:42 -0500 (CDT) Received: from localhost.localdomain ([10.193.20.106]) by zmy16exm20.fsl.freescale.net with Microsoft SMTPSVC(6.0.3790.4675); Thu, 14 Oct 2010 10:31:40 +0800 From: Shaohui Xie To: Subject: [PATCH 1/3] fsl_rio: Add comments for sRIO registers. Date: Thu, 14 Oct 2010 10:04:02 +0800 Message-ID: <1287021842-22015-1-git-send-email-b21989@freescale.com> X-Mailer: git-send-email 1.6.4 X-OriginalArrivalTime: 14 Oct 2010 02:31:40.0738 (UTC) FILETIME=[EF08EA20:01CB6B47] MIME-Version: 1.0 X-Reverse-DNS: az33egw02.freescale.net Cc: alexandre.bounine@idt.com, b21989@freescale.com X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Add some comments to make sRIO registers map better readable. Signed-off-by: Shaohui Xie --- arch/powerpc/sysdev/fsl_rio.c | 65 +++++++++++++++++++++++++---------------- 1 files changed, 40 insertions(+), 25 deletions(-) diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c index 3017532..4127636 100644 --- a/arch/powerpc/sysdev/fsl_rio.c +++ b/arch/powerpc/sysdev/fsl_rio.c @@ -117,44 +117,59 @@ struct rio_atmu_regs { }; struct rio_msg_regs { - u32 omr; - u32 osr; + u32 omr; /* 0xD_3000 - Outbound message 0 mode register */ + u32 osr; /* 0xD_3004 - Outbound message 0 status register */ u32 pad1; - u32 odqdpar; + u32 odqdpar; /* 0xD_300C - Outbound message 0 descriptor queue + dequeue pointer address register */ u32 pad2; - u32 osar; - u32 odpr; - u32 odatr; - u32 odcr; + u32 osar; /* 0xD_3014 - Outbound message 0 source address + register */ + u32 odpr; /* 0xD_3018 - Outbound message 0 destination port + register */ + u32 odatr; /* 0xD_301C - Outbound message 0 destination attributes + Register*/ + u32 odcr; /* 0xD_3020 - Outbound message 0 double-word count + register */ u32 pad3; - u32 odqepar; + u32 odqepar; /* 0xD_3028 - Outbound message 0 descriptor queue + enqueue pointer address register */ u32 pad4[13]; - u32 imr; - u32 isr; + u32 imr; /* 0xD_3060 - Inbound message 0 mode register */ + u32 isr; /* 0xD_3064 - Inbound message 0 status register */ u32 pad5; - u32 ifqdpar; + u32 ifqdpar; /* 0xD_306C - Inbound message 0 frame queue dequeue + pointer address register*/ u32 pad6; - u32 ifqepar; + u32 ifqepar; /* 0xD_3074 - Inbound message 0 frame queue enqueue + pointer address register */ u32 pad7[226]; - u32 odmr; - u32 odsr; + u32 odmr; /* 0xD_3400 - Outbound doorbell mode register */ + u32 odsr; /* 0xD_3404 - Outbound doorbell status register */ u32 res0[4]; - u32 oddpr; - u32 oddatr; + u32 oddpr; /* 0xD_3418 - Outbound doorbell destination port + register */ + u32 oddatr; /* 0xD_341c - Outbound doorbell destination attributes + register */ u32 res1[3]; - u32 odretcr; + u32 odretcr; /* 0xD_342C - Outbound doorbell retry error threshold + configuration register */ u32 res2[12]; - u32 dmr; - u32 dsr; + u32 dmr; /* 0xD_3460 - Inbound doorbell mode register */ + u32 dsr; /* 0xD_3464 - Inbound doorbell status register */ u32 pad8; - u32 dqdpar; + u32 dqdpar; /* 0xD_346C - Inbound doorbell queue dequeue Pointer + address register */ u32 pad9; - u32 dqepar; + u32 dqepar; /* 0xD_3474 - Inbound doorbell Queue enqueue pointer + address register */ u32 pad10[26]; - u32 pwmr; - u32 pwsr; - u32 epwqbar; - u32 pwqbar; + u32 pwmr; /* 0xD_34E0 - Inbound port-write mode register */ + u32 pwsr; /* 0xD_34E4 - Inbound port-write status register */ + u32 epwqbar; /* 0xD_34E8 - Extended Port-Write Queue Base Address + register */ + u32 pwqbar; /* 0xD_34EC - Inbound port-write queue base address + register */ }; struct rio_tx_desc {