From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pali =?ISO-8859-1?Q?Roh=E1r?= Date: Mon, 05 Mar 2012 23:03:35 +0100 Subject: [U-Boot] MMC broken after a7778f8fbee098c78b1fa1e1331313a7e217fb30 In-Reply-To: <4F54D488.3030303@ti.com> References: <7044402.L0mpkZyES9@pali> <4688891.eAazSFOa0Q@pali> <4F54D488.3030303@ti.com> Message-ID: <1356512.1Ex8tJMpGt@pali> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Monday 05 March 2012 07:58:16 Tom Rini wrote: > On 03/04/2012 01:32 PM, Pali Roh?r wrote: > > On Sunday 04 March 2012 13:23:44 Tom Rini wrote: > >> On Sun, Mar 4, 2012 at 1:06 PM, Pali Roh?r wrote: > >>> Hi, > >>> > >>> this commit is breaking MMC support on Nokia N900: > >>> a7778f8fbee098c78b1fa1e1331313a7e217fb30 omap_hsmmc: Wait for CMDI to be > >>> clear > >>> > >>> I'm geting only error message "timedout waiting on cmd inhibit to clear" > >>> and I cannot read files from eMMC and SD card. When I reverted commit > >>> that commit I all is OK. > >> > >> OK, we need to debug what the n900 is doing (do you see this in qemu, > >> real HW or both?) since clearing the bit fixes certain SD cards on > >> other boards (beagleboard and gumstix iirc, but it was a generic > >> issue). Thanks! > > > > RX-51 build of U-Boot in qemu cannot read mmc. It report error about bad > > voltage. This was problem also before that commit. RX-51 Linux kernel does > > not have any problem with mmc, special prepaired Maemo 5 image (with some > > SW on eMMC) from Nokia working fine in qemu. > > > > I ignored above problem in qemu, because mmc worked fine on real n900. But > > after that commit mmc does not working on real n900 too. > > First, if you change SD cards, does the problem go away? Second, my > expectation is that we will make further changes, probably not in time > for v2012.03, to the omap_hsmmc.c driver to bring it more in-line with > how the kernel driver works. Thanks! Problem is with internal eMMC (which cannot be changed) and with some external Samsung microSD class 10. I do not have other microSD cards for testing now. -- Pali Roh?r pali.rohar at gmail.com -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 198 bytes Desc: This is a digitally signed message part. URL: