From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pali =?utf-8?B?Um9ow6Fy?= Subject: Re: [PATCH 2/2] memory: omap-gpmc: Add Kconfig option for debug Date: Tue, 5 Jan 2016 09:49:47 +0100 Message-ID: <20160105084947.GG22661@pali> References: <1432156863-19695-1-git-send-email-tony@atomide.com> <568662FC.9050206@gmail.com> <20160104170206.GC12777@atomide.com> <201601041834.56056@pali> <20160104174001.GD12777@atomide.com> <568AC0F9.2010304@gmail.com> <20160105041356.GE12777@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <20160105041356.GE12777@atomide.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Tony Lindgren Cc: Nishanth Menon , Paul Walmsley , Ivaylo Dimitrov , Aaro Koskinen , Sebastian Reichel , pavel@ucw.cz, linux-omap@vger.kernel.org, Brian Hutchinson , linux-arm-kernel@lists.infradead.org, Roger Quadros List-Id: linux-omap@vger.kernel.org T24gTW9uZGF5IDA0IEphbnVhcnkgMjAxNiAyMDoxMzo1NiBUb255IExpbmRncmVuIHdyb3RlOgo+ ICogSXZheWxvIERpbWl0cm92IDxpdm8uZy5kaW1pdHJvdi43NUBnbWFpbC5jb20+IFsxNjAxMDQg MTA6NTldOgo+ID4gSGksCj4gPiAKPiA+IE9uICA0LjAxLjIwMTYgMTk6NDAsIFRvbnkgTGluZGdy ZW4gd3JvdGU6Cj4gPiA+Pk9uIE1vbmRheSAwNCBKYW51YXJ5IDIwMTYgMTg6MDI6MDYgVG9ueSBM aW5kZ3JlbiB3cm90ZToKPiA+ID4+Pj4gPkNhcmUgdG8gYm9vdCB3aXRoIENPTkZJR19PTUFQX0dQ TUNfREVCVUc9eSBhbmQgcG9zdCB0aGUgZ3BtYyByZWxhdGVkCj4gPiA+Pj4+ID5kbWVzZyBvdXRw dXQ/Cj4gPiAKPiA+IEhlcmUgaXQgaXMsIGluY2x1ZGluZyB0aGUgcHJlLWdwbWMgbG9nLCBrZWVw IGluIG1pbmQgdGhpcyBpcyB3aXRoIHJlc3RvcmVkCj4gPiBIV01PRF9JTklUX05PX1JFU0VUIGZs YWcgc28gcm9vdGZzIGlzIGZ1bmN0aW9uYWwgYW5kIEkgY2FuIGdldCBkbWVzZyBvdXRwdXQKPiA+ IGZyb20gdGhlIHN5c2xvZy4gRG9uJ3Qga25vdyBpZiBpdCBpcyBoZWxwZnVsIDopLiBBbHNvLCB0 aGlzIGRldmljZSBoYXMKPiA+IE51bW9ueXggb25lbmFuZCAoSFcgcmV2LiAyMjA0KSwgdW5saWtl IG1vc3Qgb2YgdGhlIG90aGVycyB3aGljaCBoYXZlIFNhbXN1bmcKPiA+IG9uZW5hbmQgKEhXIHJl di4gMjEwMSBldGMpLCBubyBpZGVhIGlmIGl0IGlzIHJlbGV2YW50Lgo+IAo+IFRoYW5rcy4gSSBn b3QgdGhlIHByb2JsZW0gcmVwcm9kdWNlZCBoZXJlIHRvby4KPiAKPiBbICAgIDEuOTE1NTU3XSBn cG1jIGNzMCBhZnRlciBncG1jX2NzX3NldF90aW1pbmdzOgo+IFsgICAgMS45MjA0MTBdIGNzMCBH UE1DX0NTX0NPTkZJRzE6IDB4ZmIwMDEyMDEKPiAKPiBMb29rcyBsaWtlIGluIHRoZSBmYWlsaW5n IGNhc2UgdGhlIGNsb2NrIHJhdGVzIGFyZSBub3QgcHJvcGVybHkKPiBjYWxjdWxhdGVkIGluIEdQ TUMgYW5kIEdQTUNGQ0xLRElWSURFUiBpcyBzZXQgd3JvbmcgaW4KPiBHUE1DX0NTX0NPTkZJRzEu IE5lZWQgdG8gbG9vayBhdCBpdCBtb3JlIHRvIGZpZ3VyZSBvdXQgd2hhdCdzIHRoZQo+IGJlc3Qg d2F5IHRvIGZpeCB0aGlzLgo+IAo+IFJlZ2FyZHMsCj4gCj4gVG9ueQoKSG0uLi4gTWF5YmUgdGhp cyBwcm9ibGVtIGlzIGluIFUtQm9vdCB0b28/CgotLSAKUGFsaSBSb2jDoXIKcGFsaS5yb2hhckBn bWFpbC5jb20KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f CmxpbnV4LWFybS1rZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5m cmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xp bnV4LWFybS1rZXJuZWwK From mboxrd@z Thu Jan 1 00:00:00 1970 From: pali.rohar@gmail.com (Pali =?utf-8?B?Um9ow6Fy?=) Date: Tue, 5 Jan 2016 09:49:47 +0100 Subject: [PATCH 2/2] memory: omap-gpmc: Add Kconfig option for debug In-Reply-To: <20160105041356.GE12777@atomide.com> References: <1432156863-19695-1-git-send-email-tony@atomide.com> <568662FC.9050206@gmail.com> <20160104170206.GC12777@atomide.com> <201601041834.56056@pali> <20160104174001.GD12777@atomide.com> <568AC0F9.2010304@gmail.com> <20160105041356.GE12777@atomide.com> Message-ID: <20160105084947.GG22661@pali> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Monday 04 January 2016 20:13:56 Tony Lindgren wrote: > * Ivaylo Dimitrov [160104 10:59]: > > Hi, > > > > On 4.01.2016 19:40, Tony Lindgren wrote: > > >>On Monday 04 January 2016 18:02:06 Tony Lindgren wrote: > > >>>> >Care to boot with CONFIG_OMAP_GPMC_DEBUG=y and post the gpmc related > > >>>> >dmesg output? > > > > Here it is, including the pre-gpmc log, keep in mind this is with restored > > HWMOD_INIT_NO_RESET flag so rootfs is functional and I can get dmesg output > > from the syslog. Don't know if it is helpful :). Also, this device has > > Numonyx onenand (HW rev. 2204), unlike most of the others which have Samsung > > onenand (HW rev. 2101 etc), no idea if it is relevant. > > Thanks. I got the problem reproduced here too. > > [ 1.915557] gpmc cs0 after gpmc_cs_set_timings: > [ 1.920410] cs0 GPMC_CS_CONFIG1: 0xfb001201 > > Looks like in the failing case the clock rates are not properly > calculated in GPMC and GPMCFCLKDIVIDER is set wrong in > GPMC_CS_CONFIG1. Need to look at it more to figure out what's the > best way to fix this. > > Regards, > > Tony Hm... Maybe this problem is in U-Boot too? -- Pali Roh?r pali.rohar at gmail.com