From nobody Mon Feb 9 12:26:57 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=1611399745; cv=none; d=zohomail.com; s=zohoarc; b=YO79kIQuI4zaDbVZf0fa6chc9vcqaQkzCzBRIHRAsUn8WUUWdEziOJlPsWSNwKeg68Aubd6A6sJZYiUtwIOiuiHGQBOrl6ZDHpLocntiprunBkZEr9GKZ85RFx6Gar7kuwEU6ZFX/GRyZZ/eGdsr/VHkOn8X1zrG7IuFm6jaROw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1611399745; 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=vMwNDhJzrNnSIXeq99hgPETYS9nHQnoJ/lsGNQKjl7o=; b=Fj2vZsKp+sKuKt/kMp7W1L90ZQ0sLNTKx9UBPTEPHRDD4qx3dttqpNnNYsdPafSiOKUUXpd9idX8RmV2dl2SAnA15Yu+MHRedo9HHI8LSlZzw4wX2e0T/v2Dn8/qUzj7OVWR4Wr8Dh+uz/ZapSV0GSwCSkjdqaRpv7n2TEE7VV8= 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 1611399745419278.16448783314195; Sat, 23 Jan 2021 03:02:25 -0800 (PST) Received: from localhost ([::1]:51440 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l3GgS-0002oU-BN for importer@patchew.org; Sat, 23 Jan 2021 06:02:24 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:51306) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l3GME-0003T2-I0; Sat, 23 Jan 2021 05:41:33 -0500 Received: from mail-pl1-x62e.google.com ([2607:f8b0:4864:20::62e]:46474) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1l3GLv-000373-6S; Sat, 23 Jan 2021 05:41:23 -0500 Received: by mail-pl1-x62e.google.com with SMTP id u11so4696559plg.13; Sat, 23 Jan 2021 02:41:07 -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.41.2021.01.23.02.41.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 23 Jan 2021 02:41:05 -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=vMwNDhJzrNnSIXeq99hgPETYS9nHQnoJ/lsGNQKjl7o=; b=vAI90+uwkyzo2TYV1wvomtQHmfqHHOOKuB4LWWwQznOie+wU0RWBOntQ+uLne6RQ+G K/ab8eaWxpEVpM5kAR9yzAJVWKqKOqQXr6fri+6i/9CUXn/L6AqvEhAwuWFDDkvxU/kC 3jbguS7amRH6HEgqpEtInI8yV2Khzv9zL68WoUxL4fUQp5n2HlwCaNAf5+Bl1OmMqnVy s6geM66MHxX6yl7mzCS7QS3T5bycJ7q+iFeo1i5RKw3jXOavRHsdyFAF6McrVURXyFFl 7Z3iOPGdFumC6tAxKUDJhxuITTKIvhB28AZVV9gyzN5S7fWvJRnC3a8XB25+iRMefBSh 2S9w== 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=vMwNDhJzrNnSIXeq99hgPETYS9nHQnoJ/lsGNQKjl7o=; b=O15PsXbhA5JUdLoFrPTn0LBAb1fbCBQVAqSrzuIQUeNWFZBSZkrECDudBQWO/utguE uaqmHNZgU9Dt1/lWq/MLjZW5dXtxiSBwts1/PTzYcYcpM5jIo0fdNG1a75a04IbnRV6y hjFLlet7mimF2fC7YNQCSdFKMo6+G1jMReOClg2IrNsv3PrVeDoelTBJxCu9mgGqGmBz eZn6RNtYZbUebrzANCKQQVzbfx9Frqsv2JMh0e8HzcMci9TILgVuUXerAxMG5yH/zgNC 03Vtt4InQLFbimPn/e2T2nrLiGLfzQK7oIbdfchal5bxCk0he2AXBCrdUdi0ozyvogTK 3eAA== X-Gm-Message-State: AOAM533+B19/gTtZP3XKmti16IDRS6oBOyRLxrkPm+Bce4YvZkdgRhMW WAE0bD/7olbMnaoqKnUVRe4= X-Google-Smtp-Source: ABdhPJwZWEaCFEbOKJjbxN+lhiPTuX0P6CzH8k0lDuOf6RGXRAzrkoRhgrv9yX5CNU42pFdcmXQhZQ== X-Received: by 2002:a17:90a:7e82:: with SMTP id j2mr1850999pjl.217.1611398466523; Sat, 23 Jan 2021 02:41:06 -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 16/25] hw/sd: ssi-sd: Support single block write Date: Sat, 23 Jan 2021 18:40:07 +0800 Message-Id: <20210123104016.17485-17-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::62e; envelope-from=bmeng.cn@gmail.com; helo=mail-pl1-x62e.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=unavailable 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 Add 2 more states for the block write operation. The SPI host needs to send a data start token to start the transfer, and the data block written to the card will be acknowledged by a data response token. Signed-off-by: Bin Meng Acked-by: Alistair Francis --- Changes in v2: - Correct the "token" typo in the commit message - Add 'write_bytes' in vmstate_ssi_sd hw/sd/ssi-sd.c | 38 +++++++++++++++++++++++++++++++++++++- 1 file changed, 37 insertions(+), 1 deletion(-) diff --git a/hw/sd/ssi-sd.c b/hw/sd/ssi-sd.c index 75e76cf87a..240cfd919c 100644 --- a/hw/sd/ssi-sd.c +++ b/hw/sd/ssi-sd.c @@ -43,6 +43,8 @@ typedef enum { SSI_SD_DATA_START, SSI_SD_DATA_READ, SSI_SD_DATA_CRC16, + SSI_SD_DATA_WRITE, + SSI_SD_SKIP_CRC16, } ssi_sd_mode; =20 struct ssi_sd_state { @@ -53,6 +55,7 @@ struct ssi_sd_state { uint8_t response[5]; uint16_t crc16; int32_t read_bytes; + int32_t write_bytes; int32_t arglen; int32_t response_pos; int32_t stopping; @@ -85,6 +88,9 @@ OBJECT_DECLARE_SIMPLE_TYPE(ssi_sd_state, SSI_SD) /* dummy value - don't care */ #define SSI_DUMMY 0xff =20 +/* data accepted */ +#define DATA_RESPONSE_ACCEPTED 0x05 + static uint32_t ssi_sd_transfer(SSIPeripheral *dev, uint32_t val) { ssi_sd_state *s =3D SSI_SD(dev); @@ -113,10 +119,17 @@ static uint32_t ssi_sd_transfer(SSIPeripheral *dev, u= int32_t val) =20 switch (s->mode) { case SSI_SD_CMD: - if (val =3D=3D SSI_DUMMY) { + switch (val) { + case SSI_DUMMY: DPRINTF("NULL command\n"); return SSI_DUMMY; + break; + case SSI_TOKEN_SINGLE: + DPRINTF("Start write block\n"); + s->mode =3D SSI_SD_DATA_WRITE; + return SSI_DUMMY; } + s->cmd =3D val & 0x3f; s->mode =3D SSI_SD_CMDARG; s->arglen =3D 0; @@ -250,6 +263,27 @@ static uint32_t ssi_sd_transfer(SSIPeripheral *dev, ui= nt32_t val) s->response_pos =3D 0; } return val; + case SSI_SD_DATA_WRITE: + sdbus_write_byte(&s->sdbus, val); + s->write_bytes++; + if (!sdbus_receive_ready(&s->sdbus) || s->write_bytes =3D=3D 512) { + DPRINTF("Data write end\n"); + s->mode =3D SSI_SD_SKIP_CRC16; + s->response_pos =3D 0; + } + return val; + case SSI_SD_SKIP_CRC16: + /* we don't verify the crc16 */ + s->response_pos++; + if (s->response_pos =3D=3D 2) { + DPRINTF("CRC16 receive end\n"); + s->mode =3D SSI_SD_RESPONSE; + s->write_bytes =3D 0; + s->arglen =3D 1; + s->response[0] =3D DATA_RESPONSE_ACCEPTED; + s->response_pos =3D 0; + } + return SSI_DUMMY; } /* Should never happen. */ return SSI_DUMMY; @@ -287,6 +321,7 @@ static const VMStateDescription vmstate_ssi_sd =3D { VMSTATE_UINT8_ARRAY(response, ssi_sd_state, 5), VMSTATE_UINT16(crc16, ssi_sd_state), VMSTATE_INT32(read_bytes, ssi_sd_state), + VMSTATE_INT32(write_bytes, ssi_sd_state), VMSTATE_INT32(arglen, ssi_sd_state), VMSTATE_INT32(response_pos, ssi_sd_state), VMSTATE_INT32(stopping, ssi_sd_state), @@ -340,6 +375,7 @@ static void ssi_sd_reset(DeviceState *dev) memset(s->response, 0, sizeof(s->response)); s->crc16 =3D 0; s->read_bytes =3D 0; + s->write_bytes =3D 0; s->arglen =3D 0; s->response_pos =3D 0; s->stopping =3D 0; --=20 2.25.1