From patchwork Wed May 11 19:46:01 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Corey Minyard X-Patchwork-Id: 67619 Delivered-To: patch@linaro.org Received: by 10.140.92.199 with SMTP id b65csp396638qge; Wed, 11 May 2016 12:49:43 -0700 (PDT) X-Received: by 10.55.146.199 with SMTP id u190mr5931560qkd.174.1462996183278; Wed, 11 May 2016 12:49:43 -0700 (PDT) Return-Path: Received: from lists.gnu.org (lists.gnu.org. [2001:4830:134:3::11]) by mx.google.com with ESMTPS id y70si6316443qka.77.2016.05.11.12.49.43 for (version=TLS1 cipher=AES128-SHA bits=128/128); Wed, 11 May 2016 12:49:43 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 2001:4830:134:3::11 as permitted sender) client-ip=2001:4830:134:3::11; Authentication-Results: mx.google.com; dkim=fail header.i=@gmail.com; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 2001:4830:134:3::11 as permitted sender) smtp.mailfrom=qemu-devel-bounces+patch=linaro.org@nongnu.org Received: from localhost ([::1]:53800 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b0a8c-0006dz-Ud for patch@linaro.org; Wed, 11 May 2016 15:49:42 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60531) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b0a5M-0000Gp-Vz for qemu-devel@nongnu.org; Wed, 11 May 2016 15:46:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1b0a5F-00083e-SV for qemu-devel@nongnu.org; Wed, 11 May 2016 15:46:19 -0400 Received: from mail-pa0-x243.google.com ([2607:f8b0:400e:c03::243]:35777) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b0a5F-00083L-KV for qemu-devel@nongnu.org; Wed, 11 May 2016 15:46:13 -0400 Received: by mail-pa0-x243.google.com with SMTP id zy2so5042435pac.2 for ; Wed, 11 May 2016 12:46:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=AD4czGKiSK3ta+syCBM2mbZmSduqAxp9bfadZu6TuIs=; b=hcgn+qAzrt7tpZbyvy95gHunfzRKvjHLMu9N93TM1z3+UkLgrGICtphvNdDD2z3mcI 5PMmkJ4gcdAMcaGy9ojufr3Ad5Ai4ZGgoh07rIaSCH7Jb/2eApWC/NQxZQQg6AeuSqZu Qr0ZonyPOcwziSa67E6JB7VXnx/KuNcZeUod9z4RSC55xD3r2TEwx3Gh1lu9oCzfjgXt Zvh+HdhP4BV1vzCi9RDo/6bm/Jt0Uvy23uMS+eOs1udbyn8j1fAUruKRMxobATXMIWlO X/d3ZiCJ2RVs+AU7XWZK6iwxKGSBM3/5XgtOHMPz1nylC1wkpkpVRA8yuiNP70F2pkdo xW7g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references; bh=AD4czGKiSK3ta+syCBM2mbZmSduqAxp9bfadZu6TuIs=; b=kUz9S85Dmv1tNdeW64T3RX+Qya6fTRIN1Yk9QwEGNjdaOiPVIP0GzX4HowJlUokKMz jOhzxnQu3DCDtdzs1Ok1yhWQ0QDdx2JVxaG5B762orT+RWQUVgCxjWin6BN9XQO3S1ZD YfU42u7Zbsv+DH0hh5TyRFCvzrmEGEw7NkXWOr6pSnzMJwHmXUeqYMbRTKAJw1niLY/z moLywSPZJbxPPPat8B7PHG4gkJUpcATE2nLcg6Xa4IVsdbu3XlKyLSrgRvD9nFsrJZPb BjH4cHHIegGGUr2sWF1eF0UD9CMjj7ZvNpXtVTTX7T38u3gmpSvSmbsIm948zq4THEcj rQaA== X-Gm-Message-State: AOPr4FUcFcHcIixS8uCk4Cs6m6Cx4rNkH4kiFOSj6G+Br6xxoaLRjBwm6mvTOuHcgEHUKw== X-Received: by 10.66.222.202 with SMTP id qo10mr7442330pac.141.1462995972659; Wed, 11 May 2016 12:46:12 -0700 (PDT) Received: from serve.minyard.net ([108.19.215.157]) by smtp.gmail.com with ESMTPSA id t14sm14157230pfj.12.2016.05.11.12.46.11 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 11 May 2016 12:46:11 -0700 (PDT) Received: from t430.minyard.net (t430m.minyard.net [192.168.27.3]) by serve.minyard.net (Postfix) with ESMTPA id 12B8B1984; Wed, 11 May 2016 14:46:10 -0500 (CDT) Received: by t430.minyard.net (Postfix, from userid 1000) id 5680C300536; Wed, 11 May 2016 14:46:07 -0500 (CDT) From: minyard@acm.org To: Igor Mammedov , "Michael S . Tsirkin" , Paolo Bonzini , qemu-devel@nongnu.org, minyard@acm.org Date: Wed, 11 May 2016 14:46:01 -0500 Message-Id: <1462995966-1184-3-git-send-email-minyard@acm.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1462995966-1184-1-git-send-email-minyard@acm.org> References: <1462995966-1184-1-git-send-email-minyard@acm.org> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2607:f8b0:400e:c03::243 Subject: [Qemu-devel] [PATCH 2/7] pm_smbus: Add the ability to force block transfer enable X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Corey Minyard Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" From: Corey Minyard The PIIX4 hardware has block transfer buffer always enabled in the hardware, but the i801 does not. Add a parameter to pm_smbus_init to force on the block transfer so the PIIX4 handler can enable this by default, as it was disabled by default before. Signed-off-by: Corey Minyard --- hw/acpi/piix4.c | 2 +- hw/i2c/pm_smbus.c | 4 +++- hw/i2c/smbus_ich9.c | 2 +- include/hw/i2c/pm_smbus.h | 2 +- 4 files changed, 6 insertions(+), 4 deletions(-) -- 2.7.4 diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c index 16abdf1..ab3af21 100644 --- a/hw/acpi/piix4.c +++ b/hw/acpi/piix4.c @@ -466,7 +466,7 @@ static void piix4_pm_realize(PCIDevice *dev, Error **errp) pci_conf[0x90] = s->smb_io_base | 1; pci_conf[0x91] = s->smb_io_base >> 8; pci_conf[0xd2] = 0x09; - pm_smbus_init(DEVICE(dev), &s->smb); + pm_smbus_init(DEVICE(dev), &s->smb, true); memory_region_set_enabled(&s->smb.io, pci_conf[0xd2] & 1); memory_region_add_subregion(pci_address_space_io(dev), s->smb_io_base, &s->smb.io); diff --git a/hw/i2c/pm_smbus.c b/hw/i2c/pm_smbus.c index d8d1032..4b4c165 100644 --- a/hw/i2c/pm_smbus.c +++ b/hw/i2c/pm_smbus.c @@ -366,11 +366,13 @@ const VMStateDescription pmsmb_vmstate = { } }; -void pm_smbus_init(DeviceState *parent, PMSMBus *smb) +void pm_smbus_init(DeviceState *parent, PMSMBus *smb, bool force_aux_blk) { smb->op_done = true; smb->reset = pm_smbus_reset; smb->smbus = i2c_init_bus(parent, "i2c"); + if (force_aux_blk) + smb->smb_auxctl |= AUX_BLK; memory_region_init_io(&smb->io, OBJECT(parent), &pm_smbus_ops, smb, "pm-smbus", 64); } diff --git a/hw/i2c/smbus_ich9.c b/hw/i2c/smbus_ich9.c index 8289cd1..4581cf6 100644 --- a/hw/i2c/smbus_ich9.c +++ b/hw/i2c/smbus_ich9.c @@ -90,7 +90,7 @@ static void ich9_smbus_realize(PCIDevice *d, Error **errp) pci_set_byte(d->config + ICH9_SMB_HOSTC, 0); /* TODO bar0, bar1: 64bit BAR support*/ - pm_smbus_init(&d->qdev, &s->smb); + pm_smbus_init(&d->qdev, &s->smb, false); pci_register_bar(d, ICH9_SMB_SMB_BASE_BAR, PCI_BASE_ADDRESS_SPACE_IO, &s->smb.io); } diff --git a/include/hw/i2c/pm_smbus.h b/include/hw/i2c/pm_smbus.h index bfe740a..e64a206 100644 --- a/include/hw/i2c/pm_smbus.h +++ b/include/hw/i2c/pm_smbus.h @@ -32,7 +32,7 @@ typedef struct PMSMBus { bool op_done; } PMSMBus; -void pm_smbus_init(DeviceState *parent, PMSMBus *smb); +void pm_smbus_init(DeviceState *parent, PMSMBus *smb, bool force_aux_blk); extern const VMStateDescription pmsmb_vmstate;