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authorIngo Molnar <mingo@elte.hu>2009-04-07 13:34:26 +0200
committerIngo Molnar <mingo@elte.hu>2009-04-07 13:34:42 +0200
commit2e8844e13ab73f1107aea4317a53ff5879f2e1d7 (patch)
tree36165371cf6fd26d674610f1c6bb5fac50e6e13f /arch/arm/mach-ixp4xx/common-pci.c
parentc78a3956b982418186e40978a51636a2b43221bc (diff)
parentd508afb437daee7cf07da085b635c44a4ebf9b38 (diff)
Merge branch 'linus' into tracing/hw-branch-tracing
Merge reason: update to latest tracing and ptrace APIs Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/mach-ixp4xx/common-pci.c')
-rw-r--r--arch/arm/mach-ixp4xx/common-pci.c25
1 files changed, 13 insertions, 12 deletions
diff --git a/arch/arm/mach-ixp4xx/common-pci.c b/arch/arm/mach-ixp4xx/common-pci.c
index d816c51320c..70afcfe5b88 100644
--- a/arch/arm/mach-ixp4xx/common-pci.c
+++ b/arch/arm/mach-ixp4xx/common-pci.c
@@ -366,7 +366,7 @@ void __init ixp4xx_adjust_zones(int node, unsigned long *zone_size,
}
void __init ixp4xx_pci_preinit(void)
-{
+{
unsigned long cpuid = read_cpuid_id();
/*
@@ -386,17 +386,17 @@ void __init ixp4xx_pci_preinit(void)
pr_debug("setup PCI-AHB(inbound) and AHB-PCI(outbound) address mappings\n");
- /*
+ /*
* We use identity AHB->PCI address translation
* in the 0x48000000 to 0x4bffffff address space
*/
*PCI_PCIMEMBASE = 0x48494A4B;
- /*
+ /*
* We also use identity PCI->AHB address translation
* in 4 16MB BARs that begin at the physical memory start
*/
- *PCI_AHBMEMBASE = (PHYS_OFFSET & 0xFF000000) +
+ *PCI_AHBMEMBASE = (PHYS_OFFSET & 0xFF000000) +
((PHYS_OFFSET & 0xFF000000) >> 8) +
((PHYS_OFFSET & 0xFF000000) >> 16) +
((PHYS_OFFSET & 0xFF000000) >> 24) +
@@ -408,18 +408,19 @@ void __init ixp4xx_pci_preinit(void)
pr_debug("setup BARs in controller\n");
/*
- * We configure the PCI inbound memory windows to be
+ * We configure the PCI inbound memory windows to be
* 1:1 mapped to SDRAM
*/
- local_write_config(PCI_BASE_ADDRESS_0, 4, PHYS_OFFSET + 0x00000000);
- local_write_config(PCI_BASE_ADDRESS_1, 4, PHYS_OFFSET + 0x01000000);
- local_write_config(PCI_BASE_ADDRESS_2, 4, PHYS_OFFSET + 0x02000000);
- local_write_config(PCI_BASE_ADDRESS_3, 4, PHYS_OFFSET + 0x03000000);
+ local_write_config(PCI_BASE_ADDRESS_0, 4, PHYS_OFFSET);
+ local_write_config(PCI_BASE_ADDRESS_1, 4, PHYS_OFFSET + SZ_16M);
+ local_write_config(PCI_BASE_ADDRESS_2, 4, PHYS_OFFSET + SZ_32M);
+ local_write_config(PCI_BASE_ADDRESS_3, 4, PHYS_OFFSET + SZ_48M);
/*
- * Enable CSR window at 0xff000000.
+ * Enable CSR window at 64 MiB to allow PCI masters
+ * to continue prefetching past 64 MiB boundary.
*/
- local_write_config(PCI_BASE_ADDRESS_4, 4, 0xff000008);
+ local_write_config(PCI_BASE_ADDRESS_4, 4, PHYS_OFFSET + SZ_64M);
/*
* Enable the IO window to be way up high, at 0xfffffc00
@@ -500,7 +501,7 @@ int ixp4xx_setup(int nr, struct pci_sys_data *sys)
return 1;
}
-struct pci_bus *ixp4xx_scan_bus(int nr, struct pci_sys_data *sys)
+struct pci_bus * __devinit ixp4xx_scan_bus(int nr, struct pci_sys_data *sys)
{
return pci_scan_bus(sys->busnr, &ixp4xx_ops, sys);
}