From patchwork Wed May 27 12:19:58 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Herv=C3=A9_Poussineau?= X-Patchwork-Id: 477099 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 674471400B7 for ; Wed, 27 May 2015 22:32:28 +1000 (AEST) Received: from localhost ([::1]:53645 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YxaVW-0004fO-Iw for incoming@patchwork.ozlabs.org; Wed, 27 May 2015 08:32:26 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42265) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YxaN7-00060y-Rt for qemu-devel@nongnu.org; Wed, 27 May 2015 08:23:49 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YxaN2-0002sN-NU for qemu-devel@nongnu.org; Wed, 27 May 2015 08:23:45 -0400 Received: from smtp2-g21.free.fr ([212.27.42.2]:28096) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YxaN2-0002sD-IR for qemu-devel@nongnu.org; Wed, 27 May 2015 08:23:40 -0400 Received: from localhost.localdomain (unknown [82.227.227.196]) by smtp2-g21.free.fr (Postfix) with ESMTP id BDBD04B02AA; Wed, 27 May 2015 14:22:01 +0200 (CEST) From: =?UTF-8?q?Herv=C3=A9=20Poussineau?= To: qemu-devel@nongnu.org Date: Wed, 27 May 2015 14:19:58 +0200 Message-Id: <1432729200-5322-16-git-send-email-hpoussin@reactos.org> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1432729200-5322-1-git-send-email-hpoussin@reactos.org> References: <1432729200-5322-1-git-send-email-hpoussin@reactos.org> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Windows NT kernel [generic] [fuzzy] X-Received-From: 212.27.42.2 Cc: =?UTF-8?q?Herv=C3=A9=20Poussineau?= , Leon Alrae , Aurelien Jarno Subject: [Qemu-devel] [PATCH v2 15/17] net/dp8393x: fix hardware reset X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Documentation is not clear of what happens when doing a hardware reset, but firmware expect all registers to be zero unless specified otherwise. This fixes reboot on MIPS Magnum. Signed-off-by: Hervé Poussineau Reviewed-by: Aurelien Jarno --- hw/net/dp8393x.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/net/dp8393x.c b/hw/net/dp8393x.c index b72b0b1..95a4d3d 100644 --- a/hw/net/dp8393x.c +++ b/hw/net/dp8393x.c @@ -786,6 +786,7 @@ static void dp8393x_reset(DeviceState *dev) dp8393xState *s = DP8393X(dev); timer_del(s->watchdog); + memset(s->regs, 0, sizeof(s->regs)); s->regs[SONIC_CR] = SONIC_CR_RST | SONIC_CR_STP | SONIC_CR_RXDIS; s->regs[SONIC_DCR] &= ~(SONIC_DCR_EXBUS | SONIC_DCR_LBR); s->regs[SONIC_RCR] &= ~(SONIC_RCR_LB0 | SONIC_RCR_LB1 | SONIC_RCR_BRD | SONIC_RCR_RNT);