From patchwork Mon Feb 8 15:25:09 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Krzeminski, Marcin (Nokia - PL/Wroclaw)" X-Patchwork-Id: 580328 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 48844140557 for ; Tue, 9 Feb 2016 02:26:22 +1100 (AEDT) Received: from localhost ([::1]:45717 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aSnhk-0006be-Ax for incoming@patchwork.ozlabs.org; Mon, 08 Feb 2016 10:26:20 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43883) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aSnh1-0005SL-BE for qemu-devel@nongnu.org; Mon, 08 Feb 2016 10:25:36 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aSngx-0006JW-Du for qemu-devel@nongnu.org; Mon, 08 Feb 2016 10:25:35 -0500 Received: from demumfd002.nsn-inter.net ([93.183.12.31]:48581) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aSngw-0006IY-UO for qemu-devel@nongnu.org; Mon, 08 Feb 2016 10:25:31 -0500 Received: from demuprx016.emea.nsn-intra.net ([10.150.129.55]) by demumfd002.nsn-inter.net (8.15.2/8.15.2) with ESMTPS id u18FPQWh007556 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 8 Feb 2016 15:25:26 GMT Received: from CNU418C7XK.nsn-intra.net ([10.154.155.152]) by demuprx016.emea.nsn-intra.net (8.12.11.20060308/8.12.11) with ESMTP id u18FPLrM002829; Mon, 8 Feb 2016 16:25:25 +0100 From: marcin.krzeminski@nokia.com To: qemu-devel@nongnu.org Date: Mon, 8 Feb 2016 16:25:09 +0100 Message-Id: <1454945111-728-10-git-send-email-marcin.krzeminski@nokia.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1454945111-728-1-git-send-email-marcin.krzeminski@nokia.com> References: <1454945111-728-1-git-send-email-marcin.krzeminski@nokia.com> X-purgate-type: clean X-purgate-Ad: Categorized by eleven eXpurgate (R) http://www.eleven.de X-purgate: clean X-purgate: This mail is considered clean (visit http://www.eleven.de for further information) X-purgate-size: 1110 X-purgate-ID: 151667::1454945126-0000462D-4582705E/0/0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 93.183.12.31 Cc: crosthwaitepeter@gmail.com, clg@fr.ibm.com, pawel.lenkow@itlen.com, marcin.krzeminski@nokia.com Subject: [Qemu-devel] [PATCH v3 09/11] block: m25p80: Implemented FSR register 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 From: Marcin Krzeminski Implements FSR register, it is used for busy waits. Signed-off-by: Marcin Krzeminski --- hw/block/m25p80.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c index f49578a..530e3f5 100644 --- a/hw/block/m25p80.c +++ b/hw/block/m25p80.c @@ -222,6 +222,7 @@ typedef enum { WREN = 0x6, JEDEC_READ = 0x9f, BULK_ERASE = 0xc7, + READ_FSR = 0x70, READ = 0x3, READ4 = 0x13, @@ -642,6 +643,16 @@ static void decode_new_cmd(Flash *s, uint32_t value) s->state = STATE_READING_DATA; break; + case READ_FSR: + s->data[0] = (1 << 7); /*Indicates flash is ready */ + if (s->four_bytes_address_mode) { + s->data[0] |= 0x1; + } + s->pos = 0; + s->len = 1; + s->state = STATE_READING_DATA; + break; + case JEDEC_READ: DB_PRINT_L(0, "populated jedec code\n"); s->data[0] = (s->pi->jedec >> 16) & 0xff;