From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: mx.groups.io; dkim=missing; spf=pass (domain: intel.com, ip: 134.134.136.31, mailfrom: tien.hock.loh@intel.com) Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by groups.io with SMTP; Thu, 09 May 2019 01:02:11 -0700 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 09 May 2019 01:02:11 -0700 X-ExtLoop1: 1 Received: from pg-nx11.altera.com ([10.104.4.26]) by orsmga003.jf.intel.com with ESMTP; 09 May 2019 01:02:09 -0700 From: "Loh, Tien Hock" To: devel@edk2.groups.io, thloh85@gmail.com Cc: "Tien Hock, Loh" , Leif Lindholm , Ard Biesheuvel Subject: [PATCH v2] EmbeddedPkg: Clear CTYPE on initialization Date: Thu, 9 May 2019 16:02:04 +0800 Message-Id: <1557388925-184479-1-git-send-email-tien.hock.loh@intel.com> X-Mailer: git-send-email 2.2.2 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 e0068655ca..c6c8e04917 100644 --- a/EmbeddedPkg/Drivers/DwEmmcDxe/DwEmmcDxe.c +++ b/EmbeddedPkg/Drivers/DwEmmcDxe/DwEmmcDxe.c @@ -205,6 +205,7 @@ 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 { -- 2.19.0