From patchwork Fri Jul 8 16:06:54 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?C=C3=A9dric_Le_Goater?= X-Patchwork-Id: 9221289 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id B609E60467 for ; Fri, 8 Jul 2016 16:12:39 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A5C15223B2 for ; Fri, 8 Jul 2016 16:12:39 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 96F9222638; Fri, 8 Jul 2016 16:12:39 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 266D9223B2 for ; Fri, 8 Jul 2016 16:12:39 +0000 (UTC) Received: from localhost ([::1]:46627 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bLYOM-0005LU-8a for patchwork-qemu-devel@patchwork.kernel.org; Fri, 08 Jul 2016 12:12:38 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52017) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bLYJw-0008Uq-Bv for qemu-devel@nongnu.org; Fri, 08 Jul 2016 12:08:05 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bLYJq-0002Jl-Pv for qemu-devel@nongnu.org; Fri, 08 Jul 2016 12:08:03 -0400 Received: from 1.mo179.mail-out.ovh.net ([178.33.111.220]:51162) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bLYJq-0002JO-JZ for qemu-devel@nongnu.org; Fri, 08 Jul 2016 12:07:58 -0400 Received: from player715.ha.ovh.net (b9.ovh.net [213.186.33.59]) by mo179.mail-out.ovh.net (Postfix) with ESMTP id BB2B9100C406 for ; Fri, 8 Jul 2016 18:07:57 +0200 (CEST) Received: from hermes.ibm.com (LFbn-1-2234-107.w90-76.abo.wanadoo.fr [90.76.55.107]) (Authenticated sender: clg@kaod.org) by player715.ha.ovh.net (Postfix) with ESMTPSA id 6B08F1C007D; Fri, 8 Jul 2016 18:07:51 +0200 (CEST) From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: Peter Maydell , Peter Crosthwaite Date: Fri, 8 Jul 2016 18:06:54 +0200 Message-Id: <1467994016-11678-4-git-send-email-clg@kaod.org> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1467994016-11678-1-git-send-email-clg@kaod.org> References: <1467994016-11678-1-git-send-email-clg@kaod.org> MIME-Version: 1.0 X-Ovh-Tracer-Id: 14978127938664368913 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrfeeltddrfedtgdelvdcutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfqggfjnecuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmd X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x (no timestamps) [generic] X-Received-From: 178.33.111.220 Subject: [Qemu-devel] [PATCH 3/5] ast2400: pretend DMAs are done for U-boot 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: Andrew Jeffery , qemu-arm@nongnu.org, qemu-devel@nongnu.org, =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP U-boot does SPI timing calibration using DMA tranfers. To let the initialization continue, we fake success by setting the DMA status of the Interrupt Control Register. For the moment, DMA support is not required as it is not used in normal operation. Signed-off-by: Cédric Le Goater --- hw/ssi/aspeed_smc.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/hw/ssi/aspeed_smc.c b/hw/ssi/aspeed_smc.c index 854474b642ea..d319e04a27f0 100644 --- a/hw/ssi/aspeed_smc.c +++ b/hw/ssi/aspeed_smc.c @@ -273,6 +273,9 @@ static void aspeed_smc_reset(DeviceState *d) memset(s->regs, 0, sizeof s->regs); + /* Pretend DMA is done (u-boot initialization) */ + s->regs[R_INTR_CTRL] = INTR_CTRL_DMA_STATUS; + /* Unselect all slaves */ for (i = 0; i < s->num_cs; ++i) { s->regs[s->r_ctrl0 + i] |= CTRL_CE_STOP_ACTIVE; @@ -297,6 +300,7 @@ static uint64_t aspeed_smc_read(void *opaque, hwaddr addr, unsigned int size) if (addr == s->r_conf || addr == s->r_timings || addr == s->r_ce_ctrl || + addr == R_INTR_CTRL || (addr >= s->r_ctrl0 && addr < s->r_ctrl0 + s->num_cs)) { return s->regs[addr]; } else {