From patchwork Mon Jan 9 17:23:16 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Bernhard Beschow X-Patchwork-Id: 13093985 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 58131C678DA for ; Mon, 9 Jan 2023 17:46:18 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pEvtN-0002RW-AK; Mon, 09 Jan 2023 12:25:01 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pEvtL-0002QB-IM; Mon, 09 Jan 2023 12:24:59 -0500 Received: from mail-ej1-x62e.google.com ([2a00:1450:4864:20::62e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pEvtJ-0000zU-Qg; Mon, 09 Jan 2023 12:24:59 -0500 Received: by mail-ej1-x62e.google.com with SMTP id vm8so21929901ejc.2; Mon, 09 Jan 2023 09:24:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=b0zxx8tPOrJ/ctNq1xpYzBZctNT1tt/hlM+VII09Kv0=; b=kkzw6B3nRxuYOqc/yTzkpiBdmJyV10/4N+ZerMGcBuZRyRqPPktKdeLn7ZCZVdcWPj RiUnKOyil+l01ReNuYR65u2m3J+xEOOkEhgYSTDXa57ADHYo81n/qu7xZyJy706vtYYo vlXhYFERbrztGYUSjjKxphwfXfGMhT5eNFqfMe9FffBUBdSGyck+n6vBtKA/x/2l+LE0 zzKA3zhvWkWS2BCjLUc+6FYIB/fy/d/er4tFWconfMz5ThUCNU0IQiYCwVxrYvEfcT+n cXRG2qPjcqCJkihYVnhpf8dIwvseytFMUvAIESBcixb/BennOwigiovyFN6obU9WmU8R N6UA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=b0zxx8tPOrJ/ctNq1xpYzBZctNT1tt/hlM+VII09Kv0=; b=QJcvCk97QZheRCjeEU4+hHO9GSJQdxjVCbEASaRuwqwahD7aJeyLTrH8wKaq91HkWk om4gZfbFcIWCb3OuR86ntWpKqfwv0ZgmEnGArqZX0Nz+iyrDJSbu/fpDU4FTEb8a6lvl 9LwsUzNFIMFbTq7A3mph54jlFvTcMQHB0ivRNONt1W2zr8iOtJZ+fZdV6zEWHrm3N5rW pG8E3zJ8sMkYsqbwmJodPFQq+KRjWQvBRjl9hBvu+/tpXE1h62LzJBUvhGLN480DtErl 5ePzfkEPNLk05YnZmlZLCi5cLmAX8VoEavHcj3J68TvpFenUQLKbTFHN1ksi69F2JvA5 BXqA== X-Gm-Message-State: AFqh2ko72ztoluiu3bHy2MZ33/RX2+TXlaveVI3cP0UHfuCxQze7omwM naapKCuwja8fJo0AViqBOjT2F+Wk36kRIQ== X-Google-Smtp-Source: AMrXdXsto3AR/MQrel/7a+WN88ezHA68mlWDh/5bPgLhFIPZQiuKwT4CShUjKknQYEbqsdEC4ddawA== X-Received: by 2002:a17:906:3c0d:b0:84d:34f0:f766 with SMTP id h13-20020a1709063c0d00b0084d34f0f766mr9004178ejg.75.1673285095184; Mon, 09 Jan 2023 09:24:55 -0800 (PST) Received: from osoxes.fritz.box (p200300faaf0bb2009c4947838afc41b6.dip0.t-ipconnect.de. [2003:fa:af0b:b200:9c49:4783:8afc:41b6]) by smtp.gmail.com with ESMTPSA id 18-20020a170906201200b00846734faa9asm3925625ejo.164.2023.01.09.09.24.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Jan 2023 09:24:54 -0800 (PST) From: Bernhard Beschow To: qemu-devel@nongnu.org Cc: John G Johnson , Richard Henderson , Igor Mammedov , Elena Ufimtseva , Ani Sinha , Eduardo Habkost , Gerd Hoffmann , Jagannathan Raman , "Michael S. Tsirkin" , Paolo Bonzini , John Snow , Aurelien Jarno , qemu-ppc@nongnu.org, Jiaxun Yang , qemu-block@nongnu.org, Peter Maydell , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , =?utf-8?q?Phil?= =?utf-8?q?ippe_Mathieu-Daud=C3=A9?= , Marcel Apfelbaum , qemu-arm@nongnu.org, =?utf-8?q?Herv=C3=A9_Poussineau?= Subject: [PATCH v6 03/33] hw/isa/piix4: Correct IRQRC[A:D] reset values Date: Mon, 9 Jan 2023 18:23:16 +0100 Message-Id: <20230109172347.1830-4-shentey@gmail.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230109172347.1830-1-shentey@gmail.com> References: <20230109172347.1830-1-shentey@gmail.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::62e; envelope-from=shentey@gmail.com; helo=mail-ej1-x62e.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Philippe Mathieu-Daudé IRQRC[A:D] registers reset value is 0x80. We were forcing the MIPS Malta machine routing to be able to boot a Linux kernel without any bootloader. We now have these registers initialized in the Malta machine write_bootloader(), so we can use the correct reset values. Signed-off-by: Philippe Mathieu-Daudé Message-Id: <20221027204720.33611-4-philmd@linaro.org> --- hw/isa/piix4.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/hw/isa/piix4.c b/hw/isa/piix4.c index 8fc1db6dc9..0d23e11a39 100644 --- a/hw/isa/piix4.c +++ b/hw/isa/piix4.c @@ -116,10 +116,10 @@ static void piix4_isa_reset(DeviceState *dev) pci_conf[0x4c] = 0x4d; pci_conf[0x4e] = 0x03; pci_conf[0x4f] = 0x00; - pci_conf[0x60] = 0x0a; // PCI A -> IRQ 10 - pci_conf[0x61] = 0x0a; // PCI B -> IRQ 10 - pci_conf[0x62] = 0x0b; // PCI C -> IRQ 11 - pci_conf[0x63] = 0x0b; // PCI D -> IRQ 11 + pci_conf[0x60] = 0x80; + pci_conf[0x61] = 0x80; + pci_conf[0x62] = 0x80; + pci_conf[0x63] = 0x80; pci_conf[0x69] = 0x02; pci_conf[0x70] = 0x80; pci_conf[0x76] = 0x0c;