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Hi Andrii,

Yes, we followed the same link.

Build setup was done with 4.6.

U-boot version 2016.05 - Uboot.img, which is prebuilt.

After which the following uboot commands were used.

setenv dtb_addr_r 0x825f0000

setenv xen_addr_r 0x90000000
setenv kernel_addr_r 0xa0000000
setenv xen_bootargs 'sync_console console=dtuart dtuart=serial2'
setenv dom0_bootargs 'console=hvc0,115200n8 earlyprintk=xen debug ignore_loglevel root=/dev/mmcblk0p2 rw rootwait fixrtc'
fatload mmc 0:1 $dtb_addr_r dra7-evm.dtb
fatload mmc 0:1 $xen_addr_r xen-uImage
fatload mmc 0:1 $kernel_addr_r zImage
fdt addr $dtb_addr_r
fdt resize
fdt set /chosen xen,xen-bootargs \"$xen_bootargs\"
fdt resize
fdt set /chosen xen,dom0-bootargs \"$dom0_bootargs\"
fdt mknode /chosen modules
fdt set /chosen/modules '#address-cells' <1>
fdt set /chosen/modules '#size-cells' <1>
fdt mknode /chosen/modules module@0
fdt set /chosen/modules/module@0 compatible xen,linux-zimage xen,multiboot-module
fdt set /chosen/modules/module@0 reg <$kernel_addr_r 0xa00000>
bootm $xen_addr_r - $dtb_addr_r

Xen starts from 90000000 and displays the following print and stops

CPU 00000 booting

Xen starting in Hyp mode

Zero BSS

Setting up control registers

Turning on paging

Sorry, couldn't attach the log as there is issue in characters shown in minicom.(just now happened)

Please suggest what would be the issue/points to be checked.

Thanks for your quick response,

Ramya

On Wed, Oct 25, 2017 at 9:50 PM, Andrii Anisov <andrii.anisov@xxxxxxxxx> wrote:

Hello Ramya,

I do assume you are trying to follow https://wiki.xenproject.org/wiki/User:Xen_intruction_setup_for_dra7xx-evm_board somehow.
Unfortunately I do not work with DRA7xx any more (more than year yet).
I could try to remember some nits. But be so kind to describe in details how do you build your setup and provide a log of your system booting.

Sincerely,
Andrii Anisov.

2017-10-25 18:50 GMT+03:00 RAMYA RAVICHANDRAN <ramya.r@xxxxxxxxxxxxxxxxxxx>:
Hi,

We, as a team in Blackpepper Technologies are trying to bring up Xen in DRA75x.
Using Xen 4.6 source code ,xen-uImage was built.

Uboot Version :2016.05 of DRA75x allows Xen to start with few u-boot commands.
But Xen gets stuck after "Turning Paging On" in head.S [Xen code]

It is very critical for us to setup the PoC early next week.So please do help us.

Awaiting positive feedback,
Ramya

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Re: [Embedded-pv-devel] [Urgent!!!!!!]Xen hangs after printing "Turning Paging On"