From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tom Rini Date: Thu, 22 May 2014 08:39:33 -0400 Subject: [U-Boot] Booting armv8 kernel on uboot In-Reply-To: References: <1400661995829-180377.post@n7.nabble.com> <20140521094038.GC17827@leverpostej> <20140521152853.GC1752@bill-the-cat> <20140521153438.GI17827@leverpostej> Message-ID: <20140522123933.GG1752@bill-the-cat> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Thu, May 22, 2014 at 11:18:24AM +0530, Vishal Bhoj wrote: > Hi, > > Thanks for the inputs. > > > On 21 May 2014 21:04, Mark Rutland wrote: > > > On Wed, May 21, 2014 at 04:28:53PM +0100, Tom Rini wrote: > > > On Wed, May 21, 2014 at 10:40:38AM +0100, Mark Rutland wrote: > > > > On Wed, May 21, 2014 at 09:46:35AM +0100, Vishal Bhoj wrote: > > > > > Hi , > > > > > > > > Hi, > > > > > > > > > I have added mmc driver into the vexpress64 board file for uboot and > > tested > > > > > it on FVP base model. I tried booting a kernel on that but it is > > aborting > > > > > with the following message: > > > > > Final value for argc=3 > > > > > Loading Kernel Image ... OK > > > > > kernel loaded at 0x00080000, end = 0x00827024 > > > > > using: FDT > > > > > reserving fdt memory region: addr=80000000 size=10000 > > > > > ## initrd_high = 0xffffffffffffffff, copy_to_ram = 1 > > > > > ramdisk load start = 0x00000000, ramdisk load end = 0x00000000 > > > > > ## device tree at 0000000090008000 ... 000000009000a850 (len=22609 > > [0x5851]) > > > > > Loading Device Tree to 000000009fffa000, end 000000009ffff850 ... > > OK > > > > > Initial value for argc=3 > > > > > Final value for argc=3 > > > > > ## Transferring control to Linux (at address 80000)... > > > > > Starting kernel ... > > > > > > > > > > "Synchronous Abort" handler, esr 0x02000000 > > > > > > > > That ESR_ELx value means Unknown/uncategorized. It would be fantastic > > if > > > > U-Boot would tell us what EL it's branching to the kernel at as a > > matter > > > > of course -- it's not really possible to debug from logs otherwise. > > > > > > > > Which EL are you loading the kernel at? > > > > > > So, this I suspect is one of the problems I was trying to describe to > > > you back at ELC which turned out to be loading things at the very wrong > > > address (0x80000 rather than 0x80080000). > > > > That would certainly explain it. From the lines above stating that the > > kernel had been loaded to 0x80000 I assumed that memory had been > > configured there. > > > > > > > > Vishal, cay you apply: > > > http://patchwork.ozlabs.org/patch/345746/ > > > http://patchwork.ozlabs.org/patch/345748/ > > > http://patchwork.ozlabs.org/patch/345749/ > > > http://patchwork.ozlabs.org/patch/345747/ > > > > > > Included these patches. > > > > I need to do a v2 still to address some feedback, and then also say we > > > require Mark's recent series to add an image size field (and other > > > cleanups) and make use of that (and the rest of the series > > > changes/clarifications). > > > Can you please share the patches. I am currently booting 3.10 Linaro stable > kernel which works with ARM's trusted firmware + UEFI. The same kernel with > the above patches doesn't boot on u-boot. Is there any specific kernel tree > you suggest I should use which is known to boot on uboot + models ? > > I have generated uImage with loadaddress as 0x80080000 and tried booting > but doesn't boot. Here are the logs: > http://pastebin.com/T882rK3P What are your bootargs? Can you add in earlyprintk=pl011,0x1c090000 consolelog=9 ? -- Tom -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 836 bytes Desc: Digital signature URL: