On 10/08/2009 08:46 AM, Adam Machalek wrote:
The problem is located in u-boot/cpu/arm_cortexa8/omap3/mem.c
Function do_sdrc_init()
There is an assumption that the RAM size on each CS is maximum of 128M.
See this line:
writel(RASWIDTH_13BITS | CASWIDTH_10BITS | ADDRMUXLEGACY |
RAMSIZE_128 | BANKALLOCATION | B32NOT16 | B32NOT16 |
DEEPPD | DDR_SDRAM, &sdrc_base->cs[cs].mcfg);
Thanks, I had already found this. What I was _hoping_ was that
someone had already fixed this for the larger devices...
When I get it figured out, how/where do I pass the info so the
next guy doesn't get stuck here as well??
Gary Thomas wrote:
I have a new board - OMAP 3530 with 512MB DRAM & NAND
I've build X-loader and U-Boot for it and it mostly comes
up. The sources I used (based on recommendations from the
BeagleBoard pages) were:
http://git.gitorious.org/x-load-omap3/mainline.git
git://git.denx.de/u-boot.git
I had to make a small change to get it to recognize the
larger NAND FLASH device.
The problem I have now is that it's only seeing 1/2 (256MB)
of the available DRAM.
* Does anyone know how to get it to see all 512MB?
* Is there a better place to ask/discuss these questions?
A cursory look around did not point to anything fresh (most
of the web pages & Wikis I looked are are _years_ old)
Thanks for any help/pointers
--
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Gary Thomas | Consulting for the
MLB Associates | Embedded world
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