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Date: Tue, 24 Jul 2012 16:36:05 -0500
From: Timur Tabi <timur@freescale.com>
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To: Scott Wood <scottwood@freescale.com>
Subject: Re: [PATCH] powerpc/p5040ds: Add support for P5040DS board
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Scott Wood wrote:

>> It appears that this compatible string is used by U-Boot to find the nodes
>> for fixups:
> 
> SDK U-Boot, I assume you mean.

No, upstream as well.  It's pretty much the same code:

#ifdef CONFIG_SYS_FSL_PCIE_COMPAT
#define FSL_PCIE_COMPAT	CONFIG_SYS_FSL_PCIE_COMPAT
#else
#define FSL_PCIE_COMPAT	"fsl,mpc8548-pcie"
#endif

#define FT_FSL_PCIE1_SETUP __FT_FSL_PCIE_SETUP(blob, FSL_PCIE_COMPAT, 1)
#define FT_FSL_PCIE2_SETUP __FT_FSL_PCIE_SETUP(blob, FSL_PCIE_COMPAT, 2)
#define FT_FSL_PCIE3_SETUP __FT_FSL_PCIE_SETUP(blob, FSL_PCIE_COMPAT, 3)
#define FT_FSL_PCIE4_SETUP __FT_FSL_PCIE_SETUP(blob, FSL_PCIE_COMPAT, 4)

#define __FT_FSL_PCIE_SETUP(blob, compat, num) \
	ft_fsl_pci_setup(blob, compat, CONFIG_SYS_PCIE##num##_ADDR)

-- 
Timur Tabi
Linux kernel developer at Freescale