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pci: Add ability to re-enumerate PCI buses

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Add a new 'pci enum' command which re-enumerates the PCI buses.  This
command is enabled via the CONFIG_CMD_PCI_ENUM define and can be useful
in boards with FPGAs connected via PCI/PCIe, boards that support PCI
hot-plugging, or during PCI debug.

Also enable the 'pci enum' command for X-ES's Freescale-based boards.

Signed-off-by: John Schmoller <jschmoller@xes-inc.com>
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Wolfgang Denk <wd@denx.de>
This commit is contained in:
John Schmoller
2010-10-22 00:20:23 -05:00
committed by Kumar Gala
parent 9660c5de74
commit 96d6160324
6 changed files with 22 additions and 1 deletions
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3
drivers/pci/fsl_pci_init.c
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@@ -91,6 +91,9 @@ int fsl_setup_hose(struct pci_controller *hose, unsigned long addr)
{
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) addr;
/* Reset hose to make sure its in a clean state */
memset(hose, 0, sizeof(struct pci_controller));
pci_setup_indirect(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data);
return fsl_is_pci_agent(hose);