From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Tue, 28 May 2024 17:40:35 +0200 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1sBywF-000xAP-1R for lore@lore.pengutronix.de; Tue, 28 May 2024 17:40:35 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1sBywC-0002Af-2n for lore@pengutronix.de; Tue, 28 May 2024 17:40:35 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=B/9cyfCPRVmKyqXKm48Las/Im8DM62pABVgFsE4YqsY=; b=wnKHoBte7PECp4dQ0etggrnbgx VSTcVwkjiyDbfwXAhmNhd4hIKOJgmTPmaDAeXHyOuajDjHH+W6il2vcs6nO1YdsclS4jO9HTbopcL IG+0wKosUT7E5zZKQuyniFtakZ/1SrQlrvglf8AJSmpEAwRjVCYd92lyaFRNIZQGoXqr0Yjg+1oFI QePxdFnfEfGAIH7vgL5xevG44zwT3cvT8sxnt3uqnIifL3bIY0RGzhrCOA4POrMu+6vDq5gXuFPRx qO7RBbjOQ99gjhrqCUDHK/KDnRuPB6ZFYK4VP/HQF18o4zuLECZgPsjXj95qsqNGPSkdqzG4RzRrg jDGNl6iQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sByvc-00000001H1c-0hHq; Tue, 28 May 2024 15:39:56 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sByvX-00000001GyR-1lUo for barebox@lists.infradead.org; Tue, 28 May 2024 15:39:53 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1sByvT-0001fv-Bi; Tue, 28 May 2024 17:39:47 +0200 Received: from [2a0a:edc0:0:1101:1d::54] (helo=dude05.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1sByvS-003LXc-KM; Tue, 28 May 2024 17:39:46 +0200 Received: from localhost ([::1] helo=dude05.red.stw.pengutronix.de) by dude05.red.stw.pengutronix.de with esmtp (Exim 4.96) (envelope-from ) id 1sByvS-00BFIe-1h; Tue, 28 May 2024 17:39:46 +0200 From: Stefan Kerkmann Date: Tue, 28 May 2024 17:39:21 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20240528-feature-mmc-cid-as-parameters-v1-2-e5dc0c1d3eaa@pengutronix.de> References: <20240528-feature-mmc-cid-as-parameters-v1-0-e5dc0c1d3eaa@pengutronix.de> In-Reply-To: <20240528-feature-mmc-cid-as-parameters-v1-0-e5dc0c1d3eaa@pengutronix.de> To: Sascha Hauer , BAREBOX Cc: Stefan Kerkmann X-Mailer: b4 0.12.4 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240528_083951_519855_62C81B87 X-CRM114-Status: UNSURE ( 8.80 ) X-CRM114-Notice: Please train this message. X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.4 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH 2/9] mci: core: add cbx extraction function X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) The CBX field is only present for eMMC and designates the type: 00 - Device (Removable) 01 - BGA (Discrete embedded) 10 - POP 11 - Reserved Signed-off-by: Stefan Kerkmann --- drivers/mci/mci-core.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/mci/mci-core.c b/drivers/mci/mci-core.c index 07ac7dd512..2a71fdd39a 100644 --- a/drivers/mci/mci-core.c +++ b/drivers/mci/mci-core.c @@ -1917,6 +1917,17 @@ static unsigned extract_mid(struct mci *mci) return UNSTUFF_BITS(mci->cid, 120, 8); } +/** + * Extract the CBX from the CID + * @param mci Instance data + * + * The 'CBX' is encoded in bit 113:112 in the CID and only present in MMC cards + */ +static unsigned extract_cbx(struct mci *mci) +{ + return UNSTUFF_BITS(mci->cid, 112, 2); +} + /** * Extract the OEM/Application ID from the CID * @param mci Instance data -- 2.39.2