Subject: [PATCH RFC RFT 0/2] ARM: Kirkwood: Synology DT files

From: [email-masked] (Sebastian Hesselbarth)
Date: Fri, 10 Jan 2014 15:37:25 +0100

On 01/10/14 15:25, Andrew Lunn wrote:
> On Sat, Jan 11, 2014 at 12:09:11AM +1000, Ben Peddell wrote:
>>   ** MARVELL BOARD: Synology Disk Station LE
>>
>> U-Boot 1.1.4 (Jul  6 2010 - 19:26:08) Marvell version: 3.4.4
>>
>> U-Boot code: 00600000 -> 0067FFF0  BSS: -> 0068B43C
>>
>> Soc: 88F6281 A1 (DDR2)
>> CPU running @ 1200Mhz L2 running @ 480Mhz
>> SysClock = 400Mhz , TClock = 200Mhz
>>
>> DRAM CAS Latency = 6 tRP = 6 tRAS = 18 tRCD=6
>> DRAM CS[0] base 0x00000000   size 128MB
>> DRAM Total size 128MB  16bit width
>> [4096kB at f8000000] Flash:  4 MB
...
>> Uncompressing Linux... done, booting the kernel.
>> [    0.000000] Booting Linux on physical CPU 0x0
>> [    0.000000] Linux version 3.13.0-rc7-ds211j+ (root at lurch) (gcc version 4.8.2 (Gentoo 4.8.2 p1.3, pie-0.5.8) ) #2 Thu Jan 9 08:52:24 EST 2014
>> [    0.000000] CPU: Feroceon 88FR131 [56251311] revision 1 (ARMv5TE), cr=00053977
>> [    0.000000] CPU: VIVT data cache, VIVT instruction cache
>> [    0.000000] Machine model: Synology DS210 v10, v20, v30, DS211j
>> [    0.000000] bootconsole [earlycon0] enabled
>> [    0.000000] INITRD: 0xf8280040+0x000f993c is not a memory region - disabling initrd
>
> The kernel is correct. There is no RAM here. That is in the IOMEM
> space.

Looks like a dirty trick to mount the initrd directly from
the boot device remap which is at 0xf8000000 by default.

Copying the image from the boot device to ram in u-boot
and pass the correct initrd address should help here. Or
we need a mbus ranges entry for it, too.

Sebastian