[U-Boot-Users] PCI express
Zang Roy-r61911
tie-fei.zang at freescale.com
Wed Aug 1 04:55:03 CEST 2007
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
More information about the U-Boot
mailing list