diff options
Diffstat (limited to 'arch/microblaze/pci/pci_32.c')
-rw-r--r-- | arch/microblaze/pci/pci_32.c | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/arch/microblaze/pci/pci_32.c b/arch/microblaze/pci/pci_32.c deleted file mode 100644 index ab3c4d40a82c..000000000000 --- a/arch/microblaze/pci/pci_32.c +++ /dev/null @@ -1,138 +0,0 @@ -/* - * Common pmac/prep/chrp pci routines. -- Cort - */ - -#include <linux/kernel.h> -#include <linux/pci.h> -#include <linux/delay.h> -#include <linux/string.h> -#include <linux/init.h> -#include <linux/capability.h> -#include <linux/sched.h> -#include <linux/errno.h> -#include <linux/bootmem.h> -#include <linux/irq.h> -#include <linux/list.h> -#include <linux/of.h> -#include <linux/slab.h> - -#include <asm/processor.h> -#include <asm/io.h> -#include <asm/prom.h> -#include <asm/sections.h> -#include <asm/pci-bridge.h> -#include <asm/byteorder.h> -#include <asm/uaccess.h> - -#undef DEBUG - -unsigned long isa_io_base; -unsigned long pci_dram_offset; -static int pci_bus_count; - -struct device_node *pcibios_get_phb_of_node(struct pci_bus *bus) -{ - struct pci_controller *hose = bus->sysdata; - - return of_node_get(hose->dn); -} - -static void __devinit pcibios_scan_phb(struct pci_controller *hose) -{ - struct pci_bus *bus; - struct device_node *node = hose->dn; - unsigned long io_offset; - struct resource *res = &hose->io_resource; - - pr_debug("PCI: Scanning PHB %s\n", - node ? node->full_name : "<NO NAME>"); - - /* Create an empty bus for the toplevel */ - bus = pci_create_bus(hose->parent, hose->first_busno, hose->ops, hose); - if (bus == NULL) { - printk(KERN_ERR "Failed to create bus for PCI domain %04x\n", - hose->global_number); - return; - } - bus->secondary = hose->first_busno; - hose->bus = bus; - - /* Fixup IO space offset */ - io_offset = (unsigned long)hose->io_base_virt - isa_io_base; - res->start = (res->start + io_offset) & 0xffffffffu; - res->end = (res->end + io_offset) & 0xffffffffu; - - /* Wire up PHB bus resources */ - pcibios_setup_phb_resources(hose); - - /* Scan children */ - hose->last_busno = bus->subordinate = pci_scan_child_bus(bus); -} - -static int __init pcibios_init(void) -{ - struct pci_controller *hose, *tmp; - int next_busno = 0; - - printk(KERN_INFO "PCI: Probing PCI hardware\n"); - - /* Scan all of the recorded PCI controllers. */ - list_for_each_entry_safe(hose, tmp, &hose_list, list_node) { - hose->last_busno = 0xff; - pcibios_scan_phb(hose); - printk(KERN_INFO "calling pci_bus_add_devices()\n"); - pci_bus_add_devices(hose->bus); - if (next_busno <= hose->last_busno) - next_busno = hose->last_busno + 1; - } - pci_bus_count = next_busno; - - /* Call common code to handle resource allocation */ - pcibios_resource_survey(); - - return 0; -} - -subsys_initcall(pcibios_init); - -static struct pci_controller* -pci_bus_to_hose(int bus) -{ - struct pci_controller *hose, *tmp; - - list_for_each_entry_safe(hose, tmp, &hose_list, list_node) - if (bus >= hose->first_busno && bus <= hose->last_busno) - return hose; - return NULL; -} - -/* Provide information on locations of various I/O regions in physical - * memory. Do this on a per-card basis so that we choose the right - * root bridge. - * Note that the returned IO or memory base is a physical address - */ - -long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn) -{ - struct pci_controller *hose; - long result = -EOPNOTSUPP; - - hose = pci_bus_to_hose(bus); - if (!hose) - return -ENODEV; - - switch (which) { - case IOBASE_BRIDGE_NUMBER: - return (long)hose->first_busno; - case IOBASE_MEMORY: - return (long)hose->pci_mem_offset; - case IOBASE_IO: - return (long)hose->io_base_phys; - case IOBASE_ISA_IO: - return (long)isa_io_base; - case IOBASE_ISA_MEM: - return (long)isa_mem_base; - } - - return result; -} |