[PATCH] ppc32: Fix configuration of PCI IO space on MPC85xx platform

For platforms that don't have PCI IO at 0 the outbound window
registers were not being properly configured.

Signed-off-by: Andrew Klossner <andrew@cesa.opbu.xerox.com>
Signed-off-by: Kumar K. Gala <kumar.gala@freescale.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/arch/ppc/syslib/ppc85xx_setup.c b/arch/ppc/syslib/ppc85xx_setup.c
index b7242f1..832b8bf 100644 (file)
--- a/arch/ppc/syslib/ppc85xx_setup.c
+++ b/arch/ppc/syslib/ppc85xx_setup.c
@@ -184,8 +184,8 @@ mpc85xx_setup_pci1(struct pci_controller *hose)
        pci->powar1 = 0x80044000 |
           (__ilog2(MPC85XX_PCI1_UPPER_MEM - MPC85XX_PCI1_LOWER_MEM + 1) - 1);
 
-       /* Setup outboud IO windows @ MPC85XX_PCI1_IO_BASE */
-       pci->potar2 = 0x00000000;
+       /* Setup outbound IO windows @ MPC85XX_PCI1_IO_BASE */
+       pci->potar2 = (MPC85XX_PCI1_LOWER_IO >> 12) & 0x000fffff;
        pci->potear2 = 0x00000000;
        pci->powbar2 = (MPC85XX_PCI1_IO_BASE >> 12) & 0x000fffff;
        /* Enable, IO R/W */
@@ -235,8 +235,8 @@ mpc85xx_setup_pci2(struct pci_controller *hose)
        pci->powar1 = 0x80044000 |
           (__ilog2(MPC85XX_PCI2_UPPER_MEM - MPC85XX_PCI2_LOWER_MEM + 1) - 1);
 
-       /* Setup outboud IO windows @ MPC85XX_PCI2_IO_BASE */
-       pci->potar2 = 0x00000000;
+       /* Setup outbound IO windows @ MPC85XX_PCI2_IO_BASE */
+       pci->potar2 = (MPC85XX_PCI2_LOWER_IO >> 12) & 0x000fffff;;
        pci->potear2 = 0x00000000;
        pci->powbar2 = (MPC85XX_PCI2_IO_BASE >> 12) & 0x000fffff;
        /* Enable, IO R/W */