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fsl_pci_init - Remove self PCSRBAR allocation

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CPU physical address space was being wasted by allocating a
PCSRBAR PCI inbound region to it's memory space.

As a rule, PCSRBAR should be left alone since it does not affect
transactions from self and other masters may have changed it.

Signed-off-by: Ed Swarthout <ed.swarthout@freescale.com>
This commit is contained in:
Ed Swarthout 2007-08-20 23:55:33 -05:00 • committed by Wolfgang Denk
parent 0e700ce03a
commit 16e23c3f5d
1 changed files with 7 additions and 2 deletions
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9
drivers/fsl_pci_init.c
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@ -130,9 +130,14 @@ fsl_pci_init(struct pci_controller *hose)
} }
/* Call setup to allocate PCSRBAR window */ /* Use generic setup_device to initialize standard pci regs,
pciauto_setup_device(hose, dev, 1, hose->pci_mem, * but do not allocate any windows since any BAR found (such
* as PCSRBAR) is not in this cpu's memory space.
*/
pciauto_setup_device(hose, dev, 0, hose->pci_mem,
hose->pci_prefetch, hose->pci_io); hose->pci_prefetch, hose->pci_io);
#ifndef CONFIG_PCI_NOSCAN #ifndef CONFIG_PCI_NOSCAN
printf (" Scanning PCI bus %02x\n", hose->current_busno); printf (" Scanning PCI bus %02x\n", hose->current_busno);
hose->last_busno = pci_hose_scan_bus(hose,hose->current_busno); hose->last_busno = pci_hose_scan_bus(hose,hose->current_busno);