From patchwork Sun Mar 20 18:28:11 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: marcin.krzeminski@nokia.com X-Patchwork-Id: 8627041 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id B5C07C0553 for ; Sun, 20 Mar 2016 18:32:39 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 2308B20270 for ; Sun, 20 Mar 2016 18:32:39 +0000 (UTC) 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.kernel.org (Postfix) with ESMTPS id 70D6220251 for ; Sun, 20 Mar 2016 18:32:38 +0000 (UTC) Received: from localhost ([::1]:54019 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ahi9V-0005XF-SR for patchwork-qemu-devel@patchwork.kernel.org; Sun, 20 Mar 2016 14:32:37 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36347) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ahi5b-0006ac-U7 for qemu-devel@nongnu.org; Sun, 20 Mar 2016 14:28:36 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ahi5Z-0004Xs-Rv for qemu-devel@nongnu.org; Sun, 20 Mar 2016 14:28:35 -0400 Received: from demumfd001.nsn-inter.net ([93.183.12.32]:36303) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ahi5Z-0004Xh-H0 for qemu-devel@nongnu.org; Sun, 20 Mar 2016 14:28:33 -0400 Received: from demuprx016.emea.nsn-intra.net ([10.150.129.55]) by demumfd001.nsn-inter.net (8.15.2/8.15.2) with ESMTPS id u2KISNIf009798 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Sun, 20 Mar 2016 18:28:24 GMT Received: from CNU418C7XK.emea.nsn-net.net ([10.150.177.236]) by demuprx016.emea.nsn-intra.net (8.12.11.20060308/8.12.11) with ESMTP id u2KISEfj017919; Sun, 20 Mar 2016 19:28:22 +0100 From: marcin.krzeminski@nokia.com To: qemu-devel@nongnu.org Date: Sun, 20 Mar 2016 19:28:11 +0100 Message-Id: <1458498493-13906-10-git-send-email-marcin.krzeminski@nokia.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1458498493-13906-1-git-send-email-marcin.krzeminski@nokia.com> References: <1458498493-13906-1-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: 1642 X-purgate-ID: 151667::1458498504-00007057-7905129F/0/0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 93.183.12.32 Cc: crosthwaitepeter@gmail.com, clg@fr.ibm.com, rfsw-patches@mlist.nsn-inter.net, pawel.lenkow@itlen.com, marcin.krzeminski@nokia.com Subject: [Qemu-devel] [PATCH v5 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Marcin Krzeminski Implements FSR register, it is used for busy waits. Signed-off-by: Marcin Krzeminski Reviewed-by: Peter Crosthwaite --- hw/block/m25p80.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c index c0b7b8c..63c99f3 100644 --- a/hw/block/m25p80.c +++ b/hw/block/m25p80.c @@ -103,6 +103,10 @@ typedef struct FlashPartInfo { #define NVCFG_LOWER_SEGMENT_MASK (1 << 1) #define CFG_UPPER_128MB_SEG_ENABLED 0x3 +/* Numonyx (Micron) Flag Status Register macros */ +#define FSR_4BYTE_ADDR_MODE_ENABLED 0x1 +#define FSR_FLASH_READY (1 << 7) + static const FlashPartInfo known_devices[] = { /* Atmel -- some are (confusingly) marketed as "DataFlash" */ { INFO("at25fs010", 0x1f6601, 0, 32 << 10, 4, ER_4K) }, @@ -242,6 +246,7 @@ typedef enum { WREN = 0x6, JEDEC_READ = 0x9f, BULK_ERASE = 0xc7, + READ_FSR = 0x70, READ = 0x03, READ4 = 0x13, @@ -690,6 +695,16 @@ static void decode_new_cmd(Flash *s, uint32_t value) s->state = STATE_READING_DATA; break; + case READ_FSR: + s->data[0] = FSR_FLASH_READY; + if (s->four_bytes_address_mode) { + s->data[0] |= FSR_4BYTE_ADDR_MODE_ENABLED; + } + 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;