diff options
Diffstat (limited to 'arch/powerpc/kernel/rtas_pci.c')
| -rw-r--r-- | arch/powerpc/kernel/rtas_pci.c | 71 |
1 files changed, 12 insertions, 59 deletions
diff --git a/arch/powerpc/kernel/rtas_pci.c b/arch/powerpc/kernel/rtas_pci.c index 60dec24..7442775 100644 --- a/arch/powerpc/kernel/rtas_pci.c +++ b/arch/powerpc/kernel/rtas_pci.c @@ -72,7 +72,7 @@ static int of_device_available(struct device_node * dn) return 0; } -static int rtas_read_config(struct pci_dn *pdn, int where, int size, u32 *val) +int rtas_read_config(struct pci_dn *pdn, int where, int size, u32 *val) { int returnval = -1; unsigned long buid, addr; @@ -188,39 +188,19 @@ int is_python(struct device_node *dev) return 0; } -static int get_phb_reg_prop(struct device_node *dev, - unsigned int addr_size_words, - struct reg_property64 *reg) +static void python_countermeasures(struct device_node *dev) { - unsigned int *ui_ptr = NULL, len; - - /* Found a PHB, now figure out where his registers are mapped. */ - ui_ptr = (unsigned int *)get_property(dev, "reg", &len); - if (ui_ptr == NULL) - return 1; - - if (addr_size_words == 1) { - reg->address = ((struct reg_property32 *)ui_ptr)->address; - reg->size = ((struct reg_property32 *)ui_ptr)->size; - } else { - *reg = *((struct reg_property64 *)ui_ptr); - } - - return 0; -} - -static void python_countermeasures(struct device_node *dev, - unsigned int addr_size_words) -{ - struct reg_property64 reg_struct; + struct resource registers; void __iomem *chip_regs; volatile u32 val; - if (get_phb_reg_prop(dev, addr_size_words, ®_struct)) + if (of_address_to_resource(dev, 0, ®isters)) { + printk(KERN_ERR "Can't get address for Python workarounds !\n"); return; + } /* Python's register file is 1 MB in size. */ - chip_regs = ioremap(reg_struct.address & ~(0xfffffUL), 0x100000); + chip_regs = ioremap(registers.start & ~(0xfffffUL), 0x100000); /* * Firmware doesn't always clear this bit which is critical @@ -300,12 +280,10 @@ static int phb_set_bus_ranges(struct device_node *dev, return 0; } -static int __devinit setup_phb(struct device_node *dev, - struct pci_controller *phb, - unsigned int addr_size_words) +int __devinit setup_phb(struct device_node *dev, struct pci_controller *phb) { if (is_python(dev)) - python_countermeasures(dev, addr_size_words); + python_countermeasures(dev); if (phb_set_bus_ranges(dev, phb)) return 1; @@ -320,8 +298,8 @@ unsigned long __init find_and_init_phbs(void) { struct device_node *node; struct pci_controller *phb; - unsigned int root_size_cells = 0; unsigned int index; + unsigned int root_size_cells = 0; unsigned int *opprop = NULL; struct device_node *root = of_find_node_by_path("/"); @@ -343,10 +321,11 @@ unsigned long __init find_and_init_phbs(void) phb = pcibios_alloc_controller(node); if (!phb) continue; - setup_phb(node, phb, root_size_cells); + setup_phb(node, phb); pci_process_bridge_OF_ranges(phb, node, 0); pci_setup_phb_io(phb, index == 0); #ifdef CONFIG_PPC_PSERIES + /* XXX This code need serious fixing ... --BenH */ if (ppc64_interrupt_controller == IC_OPEN_PIC && pSeries_mpic) { int addr = root_size_cells * (index + 2) - 1; mpic_assign_isu(pSeries_mpic, index, opprop[addr]); @@ -379,32 +358,6 @@ unsigned long __init find_and_init_phbs(void) return 0; } -struct pci_controller * __devinit init_phb_dynamic(struct device_node *dn) -{ - struct device_node *root = of_find_node_by_path("/"); - unsigned int root_size_cells = 0; - struct pci_controller *phb; - int primary; - - root_size_cells = prom_n_size_cells(root); - - primary = list_empty(&hose_list); - phb = pcibios_alloc_controller(dn); - if (!phb) - return NULL; - setup_phb(dn, phb, root_size_cells); - pci_process_bridge_OF_ranges(phb, dn, primary); - - pci_setup_phb_io_dynamic(phb, primary); - of_node_put(root); - - pci_devs_phb_init_dynamic(phb); - scan_phb(phb); - - return phb; -} -EXPORT_SYMBOL(init_phb_dynamic); - /* RPA-specific bits for removing PHBs */ int pcibios_remove_root_bus(struct pci_controller *phb) { |