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ppc/8xxx: Refactor code to determine if PCI is enabled & agent/host

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Refactor the code into a simple bitmask lookup table that determines if
a given PCI controller is enabled and if its in host/root-complex or
agent/end-point mode.

Each processor in the PQ3/MPC86xx family specified different encodings
for the cfg_host_agt[] and cfg_IO_ports[] boot strapping signals.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Kumar Gala
2009-09-02 09:03:08 -05:00
parent 5052a771cf
commit 3e7b6c1f2d
16 changed files with 284 additions and 68 deletions
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5
include/asm-ppc/fsl_pci.h
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@@ -20,6 +20,11 @@
#ifndef __FSL_PCI_H_
#define __FSL_PCI_H_
#include <asm/fsl_law.h>
int is_fsl_pci_agent(enum law_trgt_if trgt, u32 host_agent);
int is_fsl_pci_cfg(enum law_trgt_if trgt, u32 io_sel);
void fsl_pci_init(struct pci_controller *hose, u32 cfg_addr, u32 cfg_data);
void fsl_pci_config_unlock(struct pci_controller *hose);
void ft_fsl_pci_setup(void *blob, const char *pci_alias,