[U-Boot-Users] PCI express

[Zang Roy-r61911]

On Wed, 2007-08-01 at 03:29, robert lazarski wrote:
> Hi all,
> 
> I'm preparing u-boot for my custom MPC8548E board which is arriving
> soon. Here's my memory map:
> 
> 0x0000_0000     0x7fff_ffff     DDR                     2G
> 0x8000_0000     0x9fff_ffff     PCI1 MEM                512M
> 0xa000_0000     0xbfff_ffff     PCI2 MEM                512M
> 0xe000_0000     0xe000_ffff     CCSR                    1M
> 0xe200_0000     0xe20f_ffff     PCI1 IO                 1M
> 0xe210_0000     0xe21f_ffff     PCI2 IO                 1M
> 0xf800_0000     0xffff_ffff     FLASH (boot bank)       128M
> 
> We also have a PCI-X . Are TLB and LAW entries required for PCI-X ?
You do not need to specify TLB/LAW for PCI-X. it uses the same memory
map as PCI1. Check the manual.  
> I've seen some PCI-X stuff in the u-boot distro CPU and Driver
> section, but nothing much in the board section. Any clarification on
> what, if anything, is needed for u-boot to setup on a custom board
> with PCI-X would be appreciated.
PCI-X should use the same stuff as PCI1.
Roy