From nobody Tue Feb 10 05:27:27 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1611399294; cv=none; d=zohomail.com; s=zohoarc; b=JwQUxZDxbZUhRDihmw3l+tgKqxuhVdE+7DnaLTJXkv1STZw5TSZkU8AI74E85I2FcZrMGt/+mtqc+NANJkoR8AXHDa76fNzMdnzA7RTWrrRa+mALciQQMHMQh/BBcsDK2TqZPR6gbJeF47g5Y6DPqA0WVjsKfb5E9huSpytgv9Y= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1611399294; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=Y2zcJszCz5lIVVf0OMd5bXgiApimd2gt80gUBOZlMWw=; b=QXM5BxZdd9PJ9g9WVXOjGK4wjLnc7nxe1V7iM7KrnQwJqTS/cP2ZogQuGdqpP0c/wqfPgFnmMaVbZo5Hfrlr0UKJvcK+4eoRmp3x2nyzC1aJ4PweRkWv7fvRjLI8jXtMGSxPDrXbhOb+4Xftq0BVy+25iV1WBCSGjOoKDiBwVmk= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1611399294135925.1696025634486; Sat, 23 Jan 2021 02:54:54 -0800 (PST) Received: from localhost ([::1]:34842 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l3GZA-0003vv-SE for importer@patchew.org; Sat, 23 Jan 2021 05:54:52 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:51242) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l3GM1-0003QW-Nx; Sat, 23 Jan 2021 05:41:22 -0500 Received: from mail-pg1-x52e.google.com ([2607:f8b0:4864:20::52e]:39077) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1l3GLv-00037b-6v; Sat, 23 Jan 2021 05:41:17 -0500 Received: by mail-pg1-x52e.google.com with SMTP id 30so5596690pgr.6; Sat, 23 Jan 2021 02:41:09 -0800 (PST) Received: from i9-aorus-gtx1080.localdomain (144.168.56.201.16clouds.com. [144.168.56.201]) by smtp.gmail.com with ESMTPSA id a5sm10575463pgl.41.2021.01.23.02.41.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 23 Jan 2021 02:41:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Y2zcJszCz5lIVVf0OMd5bXgiApimd2gt80gUBOZlMWw=; b=EU0FlqEUNiNuAhc/YUBwsa5JH1DjGXIJ/+U6ExlYc2BHS6hyPpeg8cibNfNiqyOYg5 gjX3kVAlcqprWP0mVAieN4/VfnByfsd4tsj8iTJqH8LUKsVxG8Pde7dC6LQIy+iATyYw K1Azg2bP8Yd4QTU9KXQVDA7vjXyeEsbU9Y1L7/PaichgGkpmTbiqJKLlNocsrHd3qzl0 gdoS3soPuey6vkLEbTVLiNWJNix8dJ5ZKJq00/q0k0DhHJn8B4YjjRmpi6ye1l8IAXe7 S5CfEEneEWuCaF7YtfAxWOyjwSq8wJuE2BqVYfm3/7/Dh/VHGzApugURJeQMKrW5GX44 cBkQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Y2zcJszCz5lIVVf0OMd5bXgiApimd2gt80gUBOZlMWw=; b=MyIfEYLynl2V+cpyRUmp29UOdYUatlFxBqwFVRvV3FDBHQYUbY/0IV9scFGkzmuLf1 ipwhHQ3RccbEr8u4KsGpY5Gv/PizOJ9d6cB1IHKlkuU3rkNSjYSRc7ZauhmF3AKru1C4 kKaj/dmq4rz5Y6E+clH/Bf0PV7b6FZqFZYh4b1ThuobobuUYogxJlfjZ5jIsw6MilE/3 biMBkmtiSnbmmo4CeewU7mPSQRDpgr0PtXU3wsPlp28bNOB5D8g+Ql4VvGhMQv9n9X2f iWKVvMkodgqso+SJUDexK1pBrkw1k9SU/YuRS7BoV7ZwiTv0tiZZIFOb2PsBZRFOQF38 glBA== X-Gm-Message-State: AOAM530dEMfwvOw5HPBZLldkDJVq5LB47t9dv2j82SZIq4u88Xr5kpCa 533/rRRm7ezqmyFiewJSIwCaZKKa5Ym+Lw== X-Google-Smtp-Source: ABdhPJy+125FbsoUN05cwCPyYrWWmxbnmr7O7tOsA2SvAxsk4MRHD/AGUDsdGluR06DwEg6C2aD7MA== X-Received: by 2002:a63:6b42:: with SMTP id g63mr9091323pgc.107.1611398468967; Sat, 23 Jan 2021 02:41:08 -0800 (PST) From: Bin Meng To: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Alistair Francis , qemu-block@nongnu.org, qemu-riscv@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH v2 17/25] hw/sd: ssi-sd: Support multiple block write Date: Sat, 23 Jan 2021 18:40:08 +0800 Message-Id: <20210123104016.17485-18-bmeng.cn@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210123104016.17485-1-bmeng.cn@gmail.com> References: <20210123104016.17485-1-bmeng.cn@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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=2607:f8b0:4864:20::52e; envelope-from=bmeng.cn@gmail.com; helo=mail-pg1-x52e.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, 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: Bin Meng Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @gmail.com) Content-Type: text/plain; charset="utf-8" From: Bin Meng For a multiple block write operation, each block begins with a multi write start token. Unlike the SD mode that the multiple block write ends when receiving a STOP_TRAN command (CMD12), a special stop tran token is used to signal the card. Emulating this by manually sending a CMD12 to the SD card core, to bring it out of the receiving data state. Signed-off-by: Bin Meng Acked-by: Alistair Francis --- Changes in v2: - Correct the "token" typo in the commit message - Introduce multiple write token definitions in this patch hw/sd/ssi-sd.c | 30 ++++++++++++++++++++++++++++-- 1 file changed, 28 insertions(+), 2 deletions(-) diff --git a/hw/sd/ssi-sd.c b/hw/sd/ssi-sd.c index 240cfd919c..ee4fbc3dfe 100644 --- a/hw/sd/ssi-sd.c +++ b/hw/sd/ssi-sd.c @@ -82,6 +82,10 @@ OBJECT_DECLARE_SIMPLE_TYPE(ssi_sd_state, SSI_SD) #define SSI_SDR_ADDRESS_ERROR 0x2000 #define SSI_SDR_PARAMETER_ERROR 0x4000 =20 +/* multiple block write */ +#define SSI_TOKEN_MULTI_WRITE 0xfc +/* terminate multiple block write */ +#define SSI_TOKEN_STOP_TRAN 0xfd /* single block read/write, multiple block read */ #define SSI_TOKEN_SINGLE 0xfe =20 @@ -94,6 +98,8 @@ OBJECT_DECLARE_SIMPLE_TYPE(ssi_sd_state, SSI_SD) static uint32_t ssi_sd_transfer(SSIPeripheral *dev, uint32_t val) { ssi_sd_state *s =3D SSI_SD(dev); + SDRequest request; + uint8_t longresp[16]; =20 /* * Special case: allow CMD12 (STOP TRANSMISSION) while reading data. @@ -125,9 +131,31 @@ static uint32_t ssi_sd_transfer(SSIPeripheral *dev, ui= nt32_t val) return SSI_DUMMY; break; case SSI_TOKEN_SINGLE: + case SSI_TOKEN_MULTI_WRITE: DPRINTF("Start write block\n"); s->mode =3D SSI_SD_DATA_WRITE; return SSI_DUMMY; + case SSI_TOKEN_STOP_TRAN: + DPRINTF("Stop multiple write\n"); + + /* manually issue cmd12 to stop the transfer */ + request.cmd =3D 12; + request.arg =3D 0; + s->arglen =3D sdbus_do_command(&s->sdbus, &request, longresp); + if (s->arglen <=3D 0) { + s->arglen =3D 1; + /* a zero value indicates the card is busy */ + s->response[0] =3D 0; + DPRINTF("SD card busy\n"); + } else { + s->arglen =3D 1; + /* a non-zero value indicates the card is ready */ + s->response[0] =3D SSI_DUMMY; + } + + s->mode =3D SSI_SD_RESPONSE; + s->response_pos =3D 0; + return SSI_DUMMY; } =20 s->cmd =3D val & 0x3f; @@ -136,8 +164,6 @@ static uint32_t ssi_sd_transfer(SSIPeripheral *dev, uin= t32_t val) return SSI_DUMMY; case SSI_SD_CMDARG: if (s->arglen =3D=3D 4) { - SDRequest request; - uint8_t longresp[16]; /* FIXME: Check CRC. */ request.cmd =3D s->cmd; request.arg =3D ldl_be_p(s->cmdarg); --=20 2.25.1