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Received: from shell.armlinux.org.uk ([2001:4d48:ad52:3201:5054:ff:fe00:4ec]:42184) by pandora.armlinux.org.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jaypd-0004sK-7e; Tue, 19 May 2020 10:46:41 +0100 Received: from linux by shell.armlinux.org.uk with local (Exim 4.92) (envelope-from ) id 1jaypZ-0005cD-Lx; Tue, 19 May 2020 10:46:37 +0100 Date: Tue, 19 May 2020 10:46:37 +0100 From: Russell King - ARM Linux admin To: Geert Uytterhoeven Subject: Re: [PATCH v6] ARM: boot: Obtain start of physical memory from DTB Message-ID: <20200519094637.GZ1551@shell.armlinux.org.uk> References: <20200429082120.16259-1-geert+renesas@glider.be> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200519_024705_812765_A76B73CD X-CRM114-Status: GOOD ( 26.45 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Arnd Bergmann , Nicolas Pitre , Masahiro Yamada , Bartlomiej Zolnierkiewicz , Lukasz Stelmach , Linux Kernel Mailing List , Linux-Renesas , Chris Brandt , Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= , Eric Miao , Dmitry Osipenko , Ard Biesheuvel , Linux ARM , Marek Szyprowski Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gVHVlLCBNYXkgMTksIDIwMjAgYXQgMTE6NDQ6MTdBTSArMDIwMCwgR2VlcnQgVXl0dGVyaG9l dmVuIHdyb3RlOgo+IEhpIMWBdWthc3oKPiAKPiBUaGFua3MgZm9yIHlvdXIgcmVwb3J0IQo+IAo+ IE9uIFR1ZSwgTWF5IDE5LCAyMDIwIGF0IDEwOjU0IEFNIEx1a2FzeiBTdGVsbWFjaCA8bC5zdGVs bWFjaEBzYW1zdW5nLmNvbT4gd3JvdGU6Cj4gPiBJdCB3YXMgPDIwMjAtMDQtMjkgxZtybyAxMDoy MT4sIHdoZW4gR2VlcnQgVXl0dGVyaG9ldmVuIHdyb3RlOgo+ID4gPiBDdXJyZW50bHksIHRoZSBz dGFydCBhZGRyZXNzIG9mIHBoeXNpY2FsIG1lbW9yeSBpcyBvYnRhaW5lZCBieSBtYXNraW5nCj4g PiA+IHRoZSBwcm9ncmFtIGNvdW50ZXIgd2l0aCBhIGZpeGVkIG1hc2sgb2YgMHhmODAwMDAwMC4g IFRoaXMgbWFzayB2YWx1ZQo+ID4gPiB3YXMgY2hvc2VuIGFzIGEgYmFsYW5jZSBiZXR3ZWVuIHRo ZSByZXF1aXJlbWVudHMgb2YgZGlmZmVyZW50IHBsYXRmb3Jtcy4KPiA+ID4gSG93ZXZlciwgdGhp cyBkb2VzIHJlcXVpcmUgdGhhdCB0aGUgc3RhcnQgYWRkcmVzcyBvZiBwaHlzaWNhbCBtZW1vcnkg aXMKPiA+ID4gYSBtdWx0aXBsZSBvZiAxMjggTWlCLCBwcmVjbHVkaW5nIGJvb3RpbmcgTGludXgg b24gcGxhdGZvcm1zIHdoZXJlIHRoaXMKPiA+ID4gcmVxdWlyZW1lbnQgaXMgbm90IGZ1bGZpbGxl ZC4KPiA+ID4KPiA+ID4gRml4IHRoaXMgbGltaXRhdGlvbiBieSBvYnRhaW5pbmcgdGhlIHN0YXJ0 IGFkZHJlc3MgZnJvbSB0aGUgRFRCIGluc3RlYWQsCj4gPiA+IGlmIGF2YWlsYWJsZSAoZWl0aGVy IGV4cGxpY2l0bHkgcGFzc2VkLCBvciBhcHBlbmRlZCB0byB0aGUga2VybmVsKS4KPiA+ID4gRmFs bCBiYWNrIHRvIHRoZSB0cmFkaXRpb25hbCBtZXRob2Qgd2hlbiBuZWVkZWQuCj4gPiA+Cj4gPiA+ IFRoaXMgYWxsb3dzIHRvIGJvb3QgTGludXggb24gcjdzOTIxMC9yemEybWV2YiB1c2luZyB0aGUg NjQgTWlCIG9mIFNEUkFNCj4gPiA+IG9uIHRoZSBSWkEyTUVWQiBzdWIgYm9hcmQsIHdoaWNoIGlz IGxvY2F0ZWQgYXQgMHgwQzAwMDAwMCAoQ1MzIHNwYWNlKSwKPiA+ID4gaS5lLiBub3QgYXQgYSBt dWx0aXBsZSBvZiAxMjggTWlCLgo+ID4gPgo+ID4gPiBTdWdnZXN0ZWQtYnk6IE5pY29sYXMgUGl0 cmUgPG5pY29AZmx1eG5pYy5uZXQ+Cj4gPiA+IFNpZ25lZC1vZmYtYnk6IEdlZXJ0IFV5dHRlcmhv ZXZlbiA8Z2VlcnQrcmVuZXNhc0BnbGlkZXIuYmU+Cj4gPiA+IFJldmlld2VkLWJ5OiBOaWNvbGFz IFBpdHJlIDxuaWNvQGZsdXhuaWMubmV0Pgo+ID4gPiBSZXZpZXdlZC1ieTogQXJkIEJpZXNoZXV2 ZWwgPGFyZGJAa2VybmVsLm9yZz4KPiA+ID4gVGVzdGVkLWJ5OiBNYXJlayBTenlwcm93c2tpIDxt LnN6eXByb3dza2lAc2Ftc3VuZy5jb20+Cj4gPiA+IFRlc3RlZC1ieTogRG1pdHJ5IE9zaXBlbmtv IDxkaWdldHhAZ21haWwuY29tPgo+ID4gPiAtLS0KPiA+Cj4gPiBbLi4uXQo+ID4KPiA+IEFwcGFy ZW50bHkgcmVhZGluZyBwaHlzaWNhbCBtZW1vcnkgbGF5b3V0IGZyb20gRFRCIGJyZWFrcyBjcmFz aGR1bXAKPiA+IGtlcm5lbHMuIEEgY3Jhc2hkdW1wIGtlcm5lbCBpcyBsb2FkZWQgaW50byBhIHJl Z2lvbiBvZiBtZW1vcnksIHRoYXQgaXMKPiA+IHJlc2VydmVkIGluIHRoZSBvcmlnaW5hbCAoaS5l LiB0byBiZSBjcmFzaGVkKSBrZXJuZWwuIFRoZSByZXNlcnZlZAo+ID4gcmVnaW9uIGlzIGxhcmdl IGVub3VnaCBmb3IgdGhlIGNyYXNoZHVtcCBrZXJuZWwgdG8gcnVuIGNvbXBsZXRlbHkgaW5zaWRl Cj4gPiBpdCBhbmQgZG9uJ3QgbW9kaWZ5IGFueXRoaW5nIG91dHNpZGUgaXQsIGp1c3QgcmVhZCBh bmQgZHVtcCB0aGUgcmVtYWlucwo+ID4gb2YgdGhlIGNyYXNoZWQga2VybmVsLiBVc2luZyB0aGUg aW5mb3JtYXRpb24gZnJvbSBEVEIgbWFrZXMgdGhlCj4gPiBkZWNvbXByZXNzb3IgcGxhY2UgdGhl IGtlcm5lbCBvdXRzaWRlIG9mIHRoZSBkZWRpY2F0ZWQgcmVnaW9uLgo+ID4KPiA+IFRoZSBsb2cg YmVsb3cgc2hvd3MgdGhhdCBhIHpJbWFnZSBhbmQgRFRCIGFyZSBsb2FkZWQgYXQgMHgxOGViODAw MCBhbmQKPiA+IDB4MTkzZjYwMDAgKHBoeXNpY2FsKS4gVGhlIGtlcm5lbCBpcyBleHBlY3RlZCB0 byBydW4gYXQgMHgxODAwODAwMCwgYnV0Cj4gPiBpdCBpcyBkZWNvbXByZXNzZWQgdG8gMHgwMDAw ODAwMCAoc2VlIHI0IHJlcG9ydGVkIGJlZm9yZSBqdW1waW5nIGZyb20KPiA+IHdpdGhpbiBfX2Vu dGVyX2tlcm5lbCkuIElmIEkgd2VyZSB0byBzdWdnZXN0IHNvbWV0aGluZywgdGhlcmUgbmVlZCB0 byBiZQo+ID4gb25lIG1vcmUgYml0IG9mIGluZm9ybWF0aW9uIHBhc3NlZCBpbiB0aGUgRFRCIHRl bGxpbmcgdGhlIGRlY29tcHJlc3Nvcgo+ID4gdG8gdXNlIHRoZSBvbGQgbWFza2luZyB0ZWNobmlx dWUgdG8gZGV0ZXJtYWluIGtlcm5lbCBhZGRyZXNzLiBJdCB3b3VsZAo+ID4gYmUgc2V0IGluIHRo ZSBEVEIgbG9hZGVkIGFsb25nIHdpdGggdGhlIGNyYXNoZHVtcCBrZXJuZWwuCj4gCj4gU2hvdWxk bid0IHRoZSBEVEIgcGFzc2VkIHRvIHRoZSBjcmFzaGtlcm5lbCBkZXNjcmliZSB3aGljaCByZWdp b24gb2YKPiBtZW1vcnkgaXMgdG8gYmUgdXNlZCBpbnN0ZWFkPwoKRGVmaW5pdGVseSBub3QuICBU aGUgY3Jhc2hrZXJuZWwgbmVlZHMgdG8ga25vdyB3aGVyZSB0aGUgUkFNIGluIHRoZQptYWNoaW5l IGlzLCBzbyB0aGF0IGl0IGNhbiBjcmVhdGUgYSBjb3JlZHVtcCBvZiB0aGUgY3Jhc2hlZCBrZXJu ZWwuCgo+IERlc2NyaWJpbmcgInRvIHVzZSB0aGUgb2xkIG1hc2tpbmcgdGVjaG5pcXVlIiBzb3Vu ZHMgYSBiaXQgaGFja2lzaCB0byBtZS4KPiBJIGd1ZXNzIGl0IGNhbm5vdCBqdXN0IHJlc3RyaWN0 IHRoZSAvbWVtb3J5IG5vZGUgdG8gdGhlIHJlc2VydmVkIHJlZ2lvbiwKPiBhcyB0aGUgY3Jhc2hr ZXJuZWwgbmVlZHMgdG8gYmUgYWJsZSB0byBkdW1wIHRoZSByZW1haW5zIG9mIHRoZSBjcmFzaGVk Cj4ga2VybmVsLCB3aGljaCBsaWUgb3V0c2lkZSB0aGlzIHJlZ2lvbi4KCkNvcnJlY3QuCgo+IEhv d2V2ZXIsIHNvbWV0aGluZyB1bmRlciAvY2hvc2VuIHNob3VsZCB3b3JrLgoKWWV0IGFub3RoZXIg c3RpY2t5IHBsYXN0ZXIuLi4KCi0tIApSTUsncyBQYXRjaCBzeXN0ZW06IGh0dHBzOi8vd3d3LmFy bWxpbnV4Lm9yZy51ay9kZXZlbG9wZXIvcGF0Y2hlcy8KRlRUQyBmb3IgMC44bSAoZXN0LiAxNzYy bSkgbGluZSBpbiBzdWJ1cmJpYTogc3luYyBhdCAxMy4xTWJwcyBkb3duIDQyNGticHMgdXAKCl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4LWFybS1r ZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZwpo dHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1rZXJu ZWwK