[U-Boot] [PATCH] arm64: Add Xilinx ZynqMP support

[Michal Simek]

On 03/02/2015 08:32 AM, Michal Simek wrote:
> On 02/27/2015 06:13 PM, Tom Rini wrote:
>> On Tue, Feb 24, 2015 at 09:02:09AM +0100, Michal Simek wrote:
>>
>>> Add basic Xilinx ZynqMP arm64 support.
>>> Serial and SD is supported.
>>> It supports emulation platfrom ep108 and QEMU.
>>>
>>> Signed-off-by: Michal Simek <michal.simek at xilinx.com>
>> [snip]
>>> +/* Miscellaneous configurable options */
>>> +#define CONFIG_SYS_LOAD_ADDR		0x8000000
>>> +
>>> +/* Initial environment variables */
>>> +#define CONFIG_EXTRA_ENV_SETTINGS \
>>> +	"ethaddr=00:0a:35:00:01:22\0" \
>>
>> No, you can't hard-code an ethaddr in.
> 
> ah yeah.
> 
>>
>>> +	"kernel_addr=0x200000\0" \
>>> +	"initrd_addr=0xa00000\0" \
>>> +	"initrd_size=0x2000000\0" \
>>
>> These are really close together.  And I imagine mirror the usual values
>> on 32bit platforms.  Maybe it's time to move them around a bit for more
>> space?
> 
> Currently I haven't had any problem with these values but I just don't know
> what will happen in future.
> 
>>
>>> +	"fdt_addr=0x100000\0" \
>>> +	"fdt_high=0x10000000\0" \
>>
>> We also shouldn't have to play "stop relocating the DT" games on
>> aarch64, right?  Since all memory is visible and that's why we have to
>> do those games on aarch32.
> 
> Will play with it to confirm it.

I have tested it and there must be limit - without limit kernel is not booting.
I am using your booti command.

Thanks,
Michal



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