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Tue, 2 Jul 2019 01:00:43 +0000 (UTC) Received: from x1w.redhat.com (ovpn-204-21.brq.redhat.com [10.40.204.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 865A11001B2D; Tue, 2 Jul 2019 01:00:40 +0000 (UTC) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Date: Mon, 1 Jul 2019 21:59:00 -0300 Message-Id: <20190702005912.15905-16-philmd@redhat.com> In-Reply-To: <20190702005912.15905-1-philmd@redhat.com> References: <20190702005912.15905-1-philmd@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.45]); Tue, 02 Jul 2019 01:00:43 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 15/27] hw/block/pflash_cfi02: Document the current CFI values 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: Kevin Wolf , Laurent Vivier , Thomas Huth , Stephen Checkoway , qemu-block@nongnu.org, Max Reitz , Alistair Francis , Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Stephen Checkoway Message-Id: <20190426162624.55977-6-stephen.checkoway@oberlin.edu> Reviewed-by: Philippe Mathieu-Daud=C3=A9 [PMD: Extracted from bigger patch] Acked-by: Alistair Francis Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- hw/block/pflash_cfi02.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/hw/block/pflash_cfi02.c b/hw/block/pflash_cfi02.c index 1a794fa83c..f1bac480f5 100644 --- a/hw/block/pflash_cfi02.c +++ b/hw/block/pflash_cfi02.c @@ -550,6 +550,7 @@ static void pflash_cfi02_realize(DeviceState *dev, Er= ror **errp) pfl->wcycle =3D 0; pfl->cmd =3D 0; pfl->status =3D 0; + /* Hardcoded CFI table (mostly from SG29 Spansion flash) */ /* Standard "QRY" string */ pfl->cfi_table[0x10] =3D 'Q'; @@ -575,7 +576,7 @@ static void pflash_cfi02_realize(DeviceState *dev, Er= ror **errp) pfl->cfi_table[0x1D] =3D 0x00; /* Vpp max (no Vpp pin) */ pfl->cfi_table[0x1E] =3D 0x00; - /* Reserved */ + /* Timeout per single byte/word write (128 ms) */ pfl->cfi_table[0x1F] =3D 0x07; /* Timeout for min size buffer write (NA) */ pfl->cfi_table[0x20] =3D 0x00; @@ -614,17 +615,25 @@ static void pflash_cfi02_realize(DeviceState *dev, = Error **errp) pfl->cfi_table[0x32] =3D 'R'; pfl->cfi_table[0x33] =3D 'I'; =20 + /* Extended version 1.0 */ pfl->cfi_table[0x34] =3D '1'; pfl->cfi_table[0x35] =3D '0'; =20 + /* Address sensitive unlock required. */ pfl->cfi_table[0x36] =3D 0x00; + /* Erase suspend not supported. */ pfl->cfi_table[0x37] =3D 0x00; + /* Sector protect not supported. */ pfl->cfi_table[0x38] =3D 0x00; + /* Temporary sector unprotect not supported. */ pfl->cfi_table[0x39] =3D 0x00; =20 + /* Sector protect/unprotect scheme. */ pfl->cfi_table[0x3a] =3D 0x00; =20 + /* Simultaneous operation not supported. */ pfl->cfi_table[0x3b] =3D 0x00; + /* Burst mode not supported. */ pfl->cfi_table[0x3c] =3D 0x00; } =20 --=20 2.20.1