[coreboot] [PATCH 1/2] cs5536: Add a NAND device and do the IDE PCI header disabling on time.

[Peter Stuge]

Mart Raudsepp wrote:
> cs5536: Add a NAND device and do the IDE PCI header disabling on time.
> 
> This implements a nand device, akin to the ide device to follow the coreboot-v3 device tree design better.
> It allows us to do the IDE PCI header early enough in a clean way - the hide_vpci was called way too late
> before - in phase6 of southbridge device, but we need the Flash header active instead of IDE in the VSA2
> before bus scans happen, or the PCI device gets disabled in coreboot understanding by the time we get it
> enabled in VSA2.
> It makes NAND setup work better, but still not completely. There is a VSA2 bug for which I made a patch,
> but waiting on a new binary to test if after that everything works or not. A quick hack to workaround the
> VSA2 bug suggests something further will still need fixing. There are also more potential opportunities
> to shuffle NAND code around to match v3 approach better, but that's a next step for me after NAND setup
> actually works right in the current form.
> 
> Also corrected the documentation of ide_init() to match current reality.
> 
> Signed-off-by: Mart Raudsepp <mart.raudsepp at artecdesign.ee>

Acked-by: Peter Stuge <peter at stuge.se>