[U-Boot] Request for information : How to modify MAX SDRAM

[DrEagle]

Le 14/10/2011 10:24, DrEagle a écrit :
> Hi,
> 
> I'm trying to add a new architecture to uboot.
> What is the process and there is a documentation ?
> 
> It's an icybox nas6220-b which is similar to sheevaplug, except for
> memory size and nand limit.
> 
> wiki.nas-portal.org/index.php/IB-NAS6220-B
> www.raidsonic.de/data/products/icybox/IB-NAS6220/datasheet_ib-nas6220_e.pdf
> 
> How can I limit the sheevaplug configuration memory and ram size limit ?
> 
> Cheers,

Here is the default u-boot :

         __  __                      _ _
        |  \/  | __ _ _ ____   _____| | |
        | |\/| |/ _` | '__\ \ / / _ \ | |
        | |  | | (_| | |   \ V /  __/ | |
        |_|  |_|\__,_|_|    \_/ \___|_|_|
 _   _     ____              _
| | | |   | __ )  ___   ___ | |_
| | | |___|  _ \ / _ \ / _ \| __|
| |_| |___| |_) | (_) | (_) | |_
 \___/    |____/ \___/ \___/ \__|
 ** MARVELL BOARD: DB-88F6281A-BP LE

U-Boot 1.1.4 (Oct 12 2009 - 13:41:53) Marvell version: 3.4.16

U-Boot code: 00600000 -> 0067FFF0  BSS: -> 006CEE60

Soc: MV88F6281 Rev 3 (DDR2)
CPU running @ 1200Mhz L2 running @ 400Mhz
SysClock = 400Mhz , TClock = 200Mhz

DRAM CAS Latency = 5 tRP = 5 tRAS = 18 tRCD=6
DRAM CS[0] base 0x00000000   size 256MB
DRAM Total size 256MB  16bit width
Flash:  0 kB
Addresses 8M - 0M are saved for the U-Boot usage.
Mem malloc Initialization (8M - 7M): Done
NAND:256 MB

CPU : Marvell Feroceon (Rev 1)

Streaming disabled
Write allocate disabled


USB 0: host mode
PEX 0: interface detected no Link.
Net:   egiga0 [PRIME]
Hit any key to stop autoboot:  0

-- 
Gk2 [:-]

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