diff options
Diffstat (limited to 'arch/powerpc/sysdev/dart_iommu.c')
| -rw-r--r-- | arch/powerpc/sysdev/dart_iommu.c | 42 |
1 files changed, 10 insertions, 32 deletions
diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c index 03b4477dd7f0..1488535b0e13 100644 --- a/arch/powerpc/sysdev/dart_iommu.c +++ b/arch/powerpc/sysdev/dart_iommu.c @@ -48,9 +48,6 @@ #include "dart.h" -extern int iommu_is_off; -extern int iommu_force_on; - /* Physical base address and size of the DART table */ unsigned long dart_tablebase; /* exported to htab_initialize */ static unsigned long dart_tablesize; @@ -156,9 +153,6 @@ static void dart_build(struct iommu_table *tbl, long index, DBG("dart: build at: %lx, %lx, addr: %x\n", index, npages, uaddr); - index <<= DART_PAGE_FACTOR; - npages <<= DART_PAGE_FACTOR; - dp = ((unsigned int*)tbl->it_base) + index; /* On U3, all memory is contigous, so we can move this @@ -199,9 +193,6 @@ static void dart_free(struct iommu_table *tbl, long index, long npages) DBG("dart: free at: %lx, %lx\n", index, npages); - index <<= DART_PAGE_FACTOR; - npages <<= DART_PAGE_FACTOR; - dp = ((unsigned int *)tbl->it_base) + index; while (npages--) @@ -281,7 +272,7 @@ static void iommu_table_dart_setup(void) iommu_table_dart.it_busno = 0; iommu_table_dart.it_offset = 0; /* it_size is in number of entries */ - iommu_table_dart.it_size = (dart_tablesize / sizeof(u32)) >> DART_PAGE_FACTOR; + iommu_table_dart.it_size = dart_tablesize / sizeof(u32); /* Initialize the common IOMMU code */ iommu_table_dart.it_base = (unsigned long)dart_vbase; @@ -295,24 +286,15 @@ static void iommu_table_dart_setup(void) set_bit(iommu_table_dart.it_size - 1, iommu_table_dart.it_map); } -static void iommu_dev_setup_dart(struct pci_dev *dev) +static void pci_dma_dev_setup_dart(struct pci_dev *dev) { - struct device_node *dn; - /* We only have one iommu table on the mac for now, which makes * things simple. Setup all PCI devices to point to this table - * - * We must use pci_device_to_OF_node() to make sure that - * we get the real "final" pointer to the device in the - * pci_dev sysdata and not the temporary PHB one */ - dn = pci_device_to_OF_node(dev); - - if (dn) - PCI_DN(dn)->iommu_table = &iommu_table_dart; + dev->dev.archdata.dma_data = &iommu_table_dart; } -static void iommu_bus_setup_dart(struct pci_bus *bus) +static void pci_dma_bus_setup_dart(struct pci_bus *bus) { struct device_node *dn; @@ -327,9 +309,6 @@ static void iommu_bus_setup_dart(struct pci_bus *bus) PCI_DN(dn)->iommu_table = &iommu_table_dart; } -static void iommu_dev_setup_null(struct pci_dev *dev) { } -static void iommu_bus_setup_null(struct pci_bus *bus) { } - void iommu_init_early_dart(void) { struct device_node *dn; @@ -350,22 +329,21 @@ void iommu_init_early_dart(void) /* Initialize the DART HW */ if (dart_init(dn) == 0) { - ppc_md.iommu_dev_setup = iommu_dev_setup_dart; - ppc_md.iommu_bus_setup = iommu_bus_setup_dart; + ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_dart; + ppc_md.pci_dma_bus_setup = pci_dma_bus_setup_dart; /* Setup pci_dma ops */ - pci_iommu_init(); - + pci_dma_ops = &dma_iommu_ops; return; } bail: /* If init failed, use direct iommu and null setup functions */ - ppc_md.iommu_dev_setup = iommu_dev_setup_null; - ppc_md.iommu_bus_setup = iommu_bus_setup_null; + ppc_md.pci_dma_dev_setup = NULL; + ppc_md.pci_dma_bus_setup = NULL; /* Setup pci_dma ops */ - pci_direct_iommu_init(); + pci_dma_ops = &dma_direct_ops; } |