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Thu, 6 Aug 2020 15:21:15 +0200 (CEST) Received: from kaod.org (37.59.142.103) by DAG4EX1.mxp5.local (172.16.2.31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3; Thu, 6 Aug 2020 15:21:15 +0200 Authentication-Results: garm.ovh; auth=pass (GARM-103G00503397b68-57b0-4252-8284-b3f72d3db1f4, 96EDEDBD7B7627A0205C40E9E2B74F8D513A659B) smtp.auth=clg@kaod.org From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: Peter Maydell Subject: [PATCH for-5.2 15/19] ftgmac100: Improve software reset Date: Thu, 6 Aug 2020 15:21:02 +0200 Message-ID: <20200806132106.747414-16-clg@kaod.org> X-Mailer: git-send-email 2.25.4 In-Reply-To: <20200806132106.747414-1-clg@kaod.org> References: <20200806132106.747414-1-clg@kaod.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Originating-IP: [37.59.142.103] X-ClientProxiedBy: DAG8EX2.mxp5.local (172.16.2.72) To DAG4EX1.mxp5.local (172.16.2.31) X-Ovh-Tracer-GUID: ad1596c2-9823-4f34-bcb6-a6c4e5879378 X-Ovh-Tracer-Id: 273312202425142121 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgeduiedrkedtgdeihecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfqggfjpdevjffgvefmvefgnecuuegrihhlohhuthemucehtddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpefhvffufffkofgjfhggtgfgihesthekredtredtjeenucfhrhhomhepveorughrihgtucfnvgcuifhorghtvghruceotghlgheskhgrohgurdhorhhgqeenucggtffrrghtthgvrhhnpeehheefgeejiedtffefteejudevjeeufeeugfdtfeeuleeuteevleeihffhgfdtleenucfkpheptddrtddrtddrtddpfeejrdehledrudegvddruddtfeenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhhouggvpehsmhhtphdqohhuthdphhgvlhhopehmgihplhgrnhehrdhmrghilhdrohhvhhdrnhgvthdpihhnvghtpedtrddtrddtrddtpdhmrghilhhfrhhomheptghlgheskhgrohgurdhorhhgpdhrtghpthhtoheptghlgheskhgrohgurdhorhhg Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=79.137.123.220; envelope-from=clg@kaod.org; helo=smtpout1.mo804.mail-out.ovh.net X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/06 09:21:12 X-ACL-Warn: Detected OS = Linux 3.11 and newer X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-1, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Frederic Konrad , Andrew Jeffery , qemu-devel@nongnu.org, qemu-arm@nongnu.org, =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Joel Stanley Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" The software reset of the MAC needs a finer granularity. Not all registers are reseted and some setting in MACCR are kept. Cc: Frederic Konrad Fixes: bd44300d1afc ("net: add FTGMAC100 support") Signed-off-by: C=C3=A9dric Le Goater --- hw/net/ftgmac100.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/hw/net/ftgmac100.c b/hw/net/ftgmac100.c index 987b843fabc4..0740049c5268 100644 --- a/hw/net/ftgmac100.c +++ b/hw/net/ftgmac100.c @@ -655,11 +655,10 @@ static void ftgmac100_reset(DeviceState *d) s->itc =3D 0; s->aptcr =3D 1; s->dblac =3D 0x00022f00; - s->revr =3D 0; s->fear1 =3D 0; s->tpafcr =3D 0xf1; =20 - s->maccr =3D 0; + s->maccr &=3D FTGMAC100_MACCR_GIGA_MODE | FTGMAC100_MACCR_FAST_MODE; s->phycr =3D 0; s->phydata =3D 0; s->fcr =3D 0x400; @@ -812,6 +811,7 @@ static void ftgmac100_write(void *opaque, hwaddr addr, case FTGMAC100_MACCR: /* MAC Device control */ s->maccr =3D value; if (value & FTGMAC100_MACCR_SW_RST) { + /* TODO: rework software reset to have a finer granularity */ ftgmac100_reset(DEVICE(s)); } =20 --=20 2.25.4