[U-Boot] [U-Boot, v2, 5/6] ARM: Add a new arch + board for QEMU's 'virt' machine

[Bin Meng]

Hi Tom,

On Sat, Oct 7, 2017 at 9:08 PM, Tom Rini <trini at konsulko.com> wrote:
> On Tue, Sep 19, 2017 at 11:18:07PM +0300, Tuomas Tynkkynen wrote:
>
>> This board builds an U-Boot binary that is bootable with QEMU's 'virt'
>> machine on ARM. The minimal QEMU command line is:
>>
>>     qemu-system-arm -machine virt,highmem=off -bios u-boot.bin
>>
>> (Note that the 'highmem=off' parameter to the 'virt' machine is required for
>> PCI to work in U-Boot.) This command line enables the following:
>>     - u-boot.bin loaded and executing in the emulated flash at address 0x0
>>     - A generated device tree blob placed at the start of RAM
>>     - A freely configurable amount of RAM, described by the DTB
>>     - A PL011 serial port, discoverable via the DTB
>>     - An ARMv7 architected timer
>>     - PSCI for rebooting the system
>>     - A generic ECAM-based PCI host controller, discoverable via the DTB
>>
>> Additionally, QEMU allows plugging a bunch of useful peripherals to the PCI bus.
>> The following ones are supported by both U-Boot and Linux:
>>
>> - To add a Serial ATA disk via an Intel ICH9 AHCI controller, pass e.g.:
>>     -drive if=none,file=disk.img,id=mydisk -device ich9-ahci,id=ahci -device ide-drive,drive=mydisk,bus=ahci.0
>> - To add an Intel E1000 network adapter, pass e.g.:
>>     -net nic,model=e1000 -net user
>> - To add an EHCI-compliant USB host controller, pass e.g.:
>>     -device usb-ehci,id=ehci
>> - To add a NVMe disk, pass e.g.:
>>     -drive if=none,file=disk.img,id=mydisk -device nvme,drive=mydisk,serial=foo
>>
>> Signed-off-by: Tuomas Tynkkynen <tuomas.tynkkynen at iki.fi>
>
> Applied to u-boot/master, thanks!
>

I expect Tuomas will send a new version with commit message revised. See below:

> I primarily tested with 2.9.0, but I found out that it will work in 2.5.0 as well by changing the syntax to
>    -netdev user,id=net0 -device e1000,netdev=net0
> I will update the commit message accordingly.

Regards,
Bin