From owner-freebsd-arm@freebsd.org Tue Sep 4 01:43:16 2018 Return-Path: Delivered-To: freebsd-arm@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 9DDCCFCE200 for ; Tue, 4 Sep 2018 01:43:16 +0000 (UTC) (envelope-from marklmi@yahoo.com) Received: from sonic316-21.consmr.mail.ne1.yahoo.com (sonic316-21.consmr.mail.ne1.yahoo.com [66.163.187.147]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 2111480620 for ; Tue, 4 Sep 2018 01:43:15 +0000 (UTC) (envelope-from marklmi@yahoo.com) X-YMail-OSG: X.YBDDMVM1khkNJ_RztQ34P9UEHNedIqVBHmPauEzQsW6esVUg0dyp_MxlQktN1 ZMr10geQpw7KpZ7mAVAOsH2phKefMv8_D4FVe.Mo2VTqY3t4c8GeGgsd.h9h2iEuJVPDokt4Kbzh 9lf3TSp9ykPIRsfWZa_qJVPHD_Bc.vsc2MKKp0lWirwZtGjL5ZQWc7eB.dwutc1zGJaPlQJuwYZL rC_XhdjifS2_hn8WaL3JIWhr_FVSRzreIzLGQgTSHiznBcGj_LgSWsAax2ayfZEmO9bcapICyAL0 ov1m0qKs4pKwxcfQfvNtKjoTsbkA41CPjg5pr2TCf8ekfAcoCb_B_cvsUEVpxm.200J0R3ZD97JL biYVj1SOnDaPcLpgH3sq.k5NBdTokUlYGNTLRD8x20ImTPeRmHudb2tSj0cEfM2riFDdTHX5Rg.v 0v5IOPWi3HdfafEYYYcFXDEXNkeCEQBbmCkbjqNxjMQ7Jn3jYtmtCMhYuYeQ5MtG_Er54VSpoIrn 3j8hSZB5hstY.58HH4RuYApZbp3uyWNxl1GPJvpRpb4DSLA2ErhKSVB6kJTq4OTQPvct7T.QWmNS GdpNyy4wl2.60B46NJEkItT6cR0lHawheqTbSXjLUPNl0oQTWreo_90TW6lJl2U4oIWtCsL3ntUU IgWJxVvN9WGUBSO7_FPqRNtingiW__LqCzvO46CvKX3hUNduDjMZgl9W8RTk8DH8swV1JJyiyuqg uWB4F_Qhl9bWt24howxR8Bx4NLwrA0hPfBRwLSXQPG9PZweTlHfYHdxdmfYOj7NToPvlZ9rRBzb_ nh4tsGvrVMHa3x6wCQ6iScz6aHLDMEcus8cnhQFKKhPk7DojbepVPPJgiQLrebNMoFoQNtS130zC VhoUo_HUghRrklqpuIPFlkdSM2s.FGOIv6.I6lzvqzbWfmCSNbtT8RmFutAXH68MtvHt4rQahLhQ 1hQ_8Va2yei7t4hQyMWqxZGTKCoKGKLzCqBxXRBB0C22P22F9BNxdxY_ncl5JSknl3rOsoCsgmn7 J3FR0hw2ebRkFCVEJZB02SvAZqIcTYXTvznJ55w76uFgDk5Wg Received: from sonic.gate.mail.ne1.yahoo.com by sonic316.consmr.mail.ne1.yahoo.com with HTTP; Tue, 4 Sep 2018 01:43:07 +0000 Received: from ip70-189-131-151.lv.lv.cox.net (EHLO [192.168.0.105]) ([70.189.131.151]) by smtp432.mail.ne1.yahoo.com (Oath Hermes SMTP Server) with ESMTPA ID d3e88e6b15b78c85a9835844719d040f for ; Tue, 04 Sep 2018 01:43:05 +0000 (UTC) From: Mark Millard Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 11.5 \(3445.9.1\)) Subject: FYI: What a fairly-modern linux's /sys/kernel/debug/mmc0/ios reports on a Pine64+ 2GB for a Sandisk Ultra 128GB Micro SDXC UHS-I Card from a SDSQUAR-128G-GN6MA Message-Id: <52D448D7-C112-4C23-932C-16A5362E6844@yahoo.com> Date: Mon, 3 Sep 2018 18:43:03 -0700 To: freebsd-arm X-Mailer: Apple Mail (2.3445.9.1) X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 Sep 2018 01:43:16 -0000 [The Pine64+ 2GB focus is just because that is all I currently have access to for aarch64. I have no access to armv7 or such currently. The amd64 context is via virtualbox under macOS and so not relevant.] I finally have access to similar capacity microsdxc media to the previous e.MMC-on-adapter media that I had been using with the Pine64+ 2GB. The card tested for this is from a: Sandisk Ultra 128GB Micro SDXC UHS-I Card with Adapter = SDSQUAR-128G-GN6MA So I dd'd the fairly linux that I tested the e.MMC with over to the microsdxc. The linux is from: https://dl.armbian.com/pine64/Ubuntu_bionic_dev_nightly.7z which is: nightly mainline kernel master branch 4.17.y or 4.18.y It shows as: # uname -ap Linux pine64 4.18.0-rc4-sunxi64 #220 SMP Sun Jul 15 14:16:31 UTC 2018 = aarch64 aarch64 aarch64 GNU/Linux For the sdcard from the SDSQXBG-128G-GN6MA: # cat /sys/kernel/debug/mmc0/ios clock: 50000000 Hz actual clock: 50000000 Hz vdd: 21 (3.3 ~ 3.4 V) bus mode: 2 (push-pull) chip select: 0 (don't care) power mode: 2 (on) bus width: 2 (4 bits) timing spec: 2 (sd high-speed) signal voltage: 0 (3.30 V) driver type: 0 (driver type B) # hdparm -t /dev/mmcblk0 /dev/mmcblk0: Timing buffered disk reads: 70 MB in 3.07 seconds =3D 22.80 MB/sec (As I gather: all as expected.) For reference the e.MMC on an adapter used in the Pine64+ 2GB for this linux had shown: # cat /sys/kernel/debug/mmc0/ios clock: 52000000 Hz actual clock: 50000000 Hz vdd: 21 (3.3 ~ 3.4 V) bus mode: 2 (push-pull) chip select: 0 (don't care) power mode: 2 (on) bus width: 2 (4 bits) timing spec: 8 (mmc DDR52) signal voltage: 0 (3.30 V) driver type: 0 (driver type B) # hdparm -t /dev/mmcblk0 /dev/mmcblk0: Timing buffered disk reads: 134 MB in 3.04 seconds =3D 44.03 MB/sec (As I gather: this was surprising.) =3D=3D=3D Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar)