[U-Boot] [PATCH v2 1/4] ARM: qemu-arm: Add support for AArch64

[Tuomas Tynkkynen]

Hi Jonathan,

On 01/13/2018 09:08 AM, Jonathan Gray wrote:
> On Thu, Jan 11, 2018 at 04:11:23PM +0200, Tuomas Tynkkynen wrote:
>> This adds support for '-machine virt' on AArch64. This is rather simple:
>> we just add TARGET_QEMU_ARM_xxBIT to select a few different Kconfig
>> symbols, provide the ARMv8 memory map from the board file and add a new
>> defconfig based on the 32-bit defconfig.
> 
> While nvme is in the defconfig it seems only ahci works with
> distroboot automatically.
> 
> Booting off nvme requires manually running
> 
> => nvme scan
> => setenv devtype nvme
> => run scan_dev_for_boot_part
> 
> Having it work automatically requires something like the below
> 

Yeah. You should probably send that as a formal patch (or two I guess;
one for config_distro_bootcmd.h; one for qemu-arm.h).

FWIW, I have a mostly-working virtio stack for U-Boot which probably
would be the best disk interface for booting Linux. Still needs a
lot of cleanup, hopefully one day it will be ready...