From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: mx.groups.io; dkim=missing; spf=pass (domain: intel.com, ip: 192.55.52.115, mailfrom: tien.hock.loh@intel.com) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by groups.io with SMTP; Thu, 02 May 2019 20:28:11 -0700 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 02 May 2019 20:28:10 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,424,1549958400"; d="scan'208";a="167124851" Received: from pg-iccf0195.altera.com ([10.104.4.90]) by fmsmga002.fm.intel.com with ESMTP; 02 May 2019 20:28:09 -0700 From: "Loh, Tien Hock" To: devel@edk2.groups.io, thloh85@gmail.com Cc: "Tien Hock, Loh" , Leif Lindholm , Ard Biesheuvel Subject: [[PATCH v2] 2/7] EmbeddedPkg: Fix DwEmmc driver bugs Date: Fri, 3 May 2019 11:26:58 +0800 Message-Id: <1556854023-5486-3-git-send-email-tien.hock.loh@intel.com> X-Mailer: git-send-email 2.2.2 In-Reply-To: <1556854023-5486-1-git-send-email-tien.hock.loh@intel.com> References: <1556854023-5486-1-git-send-email-tien.hock.loh@intel.com> From: "Tien Hock, Loh" Clear CTYPE on initialization. This is important if previous bootloader changes the CTYPE can cause the controller to not initialize correctly if CTYPE is not reset to 0 Signed-off-by: "Tien Hock, Loh" Cc: Leif Lindholm Cc: Ard Biesheuvel --- EmbeddedPkg/Drivers/DwEmmcDxe/DwEmmcDxe.c | 1 + 1 file changed, 1 insertion(+) diff --git a/EmbeddedPkg/Drivers/DwEmmcDxe/DwEmmcDxe.c b/EmbeddedPkg/Drivers/DwEmmcDxe/DwEmmcDxe.c index fa24802..058665b 100644 --- a/EmbeddedPkg/Drivers/DwEmmcDxe/DwEmmcDxe.c +++ b/EmbeddedPkg/Drivers/DwEmmcDxe/DwEmmcDxe.c @@ -206,6 +206,7 @@ DwEmmcNotifyState ( MmioWrite32 (DWEMMC_TMOUT, ~0); MmioWrite32 (DWEMMC_IDINTEN, 0); MmioWrite32 (DWEMMC_BMOD, DWEMMC_IDMAC_SWRESET); + MmioWrite32 (DWEMMC_CTYPE, 0); MmioWrite32 (DWEMMC_BLKSIZ, DWEMMC_BLOCK_SIZE); do { -- 2.2.2