[U-Boot] BSS footprint of FAT very high - SPL issues

[Aneesh V <aneesh@ti.com>]

Hello Sughosh,

On Thursday 03 February 2011 12:19 PM, sughosh ganu wrote:
> hi Aneesh,
>
> On Wed, Feb 2, 2011 at 7:31 PM, Aneesh V <aneesh@ti.com
> <mailto:aneesh@ti.com>> wrote:
>
>     Yes. These are variables that otherwise would go to BSS. I do this
>     because I need them before SDRAM initialization. One of this is the gd
>     structure. I allocate gd structure in .data that is in IRAM.
>     Why I need gd before SDRAM? Because I try to initialize serial console
>     as early as possible and this code has some reference to gd.
>
>
> I had added serial console support in my nand_spl code for the hawkboard
> port(referring existing FSL boards). I think the serial console can be
> initialised using NS16550_init, which does not access any gd variable.
> This is assuming that you can use the ns16550 serial driver :)

Thanks for the input. Yes, we are using ns16550 driver.

However, I would still need gd because it is getting used
in other places like the mmc driver that I have to use in the SPL.

Best regards,
Aneesh