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authorLinus Torvalds <torvalds@linux-foundation.org>2009-02-02 19:26:44 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-02-02 19:26:44 -0800
commit93bfbd71db4d2e01c05e219f285249a74808b1d4 (patch)
tree43f38899aaa2af9169146b6523d094be299ccc60 /arch/powerpc/platforms/52xx/mpc52xx_pci.c
parent31c952dcf83d5b0fd57b514cbe8a1664647c26e7 (diff)
parent7fbb7cadd062baf299fd8b26a80ea99da0c3fe01 (diff)
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: fbdev/atyfb: Fix DSP config on some PowerMacs & PowerBooks powerpc: Fix oops on some machines due to incorrect pr_debug() powerpc/ps3: Printing fixups for l64 to ll64 convserion drivers/net powerpc/5200: update device tree binding documentation powerpc/5200: Bugfix for PCI mapping of memory and IMMR powerpc/5200: update defconfigs
Diffstat (limited to 'arch/powerpc/platforms/52xx/mpc52xx_pci.c')
-rw-r--r--arch/powerpc/platforms/52xx/mpc52xx_pci.c24
1 files changed, 10 insertions, 14 deletions
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pci.c b/arch/powerpc/platforms/52xx/mpc52xx_pci.c
index c3f2c21024e..87ff522f28b 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_pci.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_pci.c
@@ -20,14 +20,6 @@
/* ======================================================================== */
-/* PCI windows config */
-/* ======================================================================== */
-
-#define MPC52xx_PCI_TARGET_IO 0xf0000000
-#define MPC52xx_PCI_TARGET_MEM 0x00000000
-
-
-/* ======================================================================== */
/* Structures mapping & Defines for PCI Unit */
/* ======================================================================== */
@@ -244,7 +236,7 @@ static struct pci_ops mpc52xx_pci_ops = {
static void __init
mpc52xx_pci_setup(struct pci_controller *hose,
- struct mpc52xx_pci __iomem *pci_regs)
+ struct mpc52xx_pci __iomem *pci_regs, phys_addr_t pci_phys)
{
struct resource *res;
u32 tmp;
@@ -314,10 +306,14 @@ mpc52xx_pci_setup(struct pci_controller *hose,
/* Set all the IWCR fields at once; they're in the same reg */
out_be32(&pci_regs->iwcr, MPC52xx_PCI_IWCR_PACK(iwcr0, iwcr1, iwcr2));
- out_be32(&pci_regs->tbatr0,
- MPC52xx_PCI_TBATR_ENABLE | MPC52xx_PCI_TARGET_IO );
- out_be32(&pci_regs->tbatr1,
- MPC52xx_PCI_TBATR_ENABLE | MPC52xx_PCI_TARGET_MEM );
+ /* Map IMMR onto PCI bus */
+ pci_phys &= 0xfffc0000; /* bar0 has only 14 significant bits */
+ out_be32(&pci_regs->tbatr0, MPC52xx_PCI_TBATR_ENABLE | pci_phys);
+ out_be32(&pci_regs->bar0, PCI_BASE_ADDRESS_MEM_PREFETCH | pci_phys);
+
+ /* Map memory onto PCI bus */
+ out_be32(&pci_regs->tbatr1, MPC52xx_PCI_TBATR_ENABLE);
+ out_be32(&pci_regs->bar1, PCI_BASE_ADDRESS_MEM_PREFETCH);
out_be32(&pci_regs->tcr, MPC52xx_PCI_TCR_LD | MPC52xx_PCI_TCR_WCT8);
@@ -414,7 +410,7 @@ mpc52xx_add_bridge(struct device_node *node)
/* Finish setting up PCI using values obtained by
* pci_proces_bridge_OF_ranges */
- mpc52xx_pci_setup(hose, pci_regs);
+ mpc52xx_pci_setup(hose, pci_regs, rsrc.start);
return 0;
}