microblaze/pci: Move the remains of pci_32.c to pci-common.c
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>
Mon, 11 Apr 2011 01:17:26 +0000 (11:17 +1000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Tue, 7 Jun 2011 23:08:38 +0000 (09:08 +1000)
There's no point in keeping this separate. Even if microblaze grows
a 64-bit variant, it will probably be able to re-use that code as-is

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Michal Simek <monstr@monstr.eu>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
arch/microblaze/pci/Makefile
arch/microblaze/pci/pci-common.c
arch/microblaze/pci/pci_32.c [deleted file]

index 9889cc2e129452d4236a08372d473c6d302664cd..d1114fbd4780e62403483b81bee089467323649d 100644 (file)
@@ -2,5 +2,5 @@
 # Makefile
 #
 
-obj-$(CONFIG_PCI)              += pci_32.o pci-common.o indirect_pci.o iomap.o
+obj-$(CONFIG_PCI)              += pci-common.o indirect_pci.o iomap.o
 obj-$(CONFIG_PCI_XILINX)       += xilinx_pci.o
index 53599067d2f94f37dfbec3d0dc02d5e4950a5aca..041b1d86d75b8ca5a81ea2ed234f4a84a7db844e 100644 (file)
@@ -50,6 +50,11 @@ unsigned int pci_flags;
 
 static struct dma_map_ops *pci_dma_ops = &dma_direct_ops;
 
+unsigned long isa_io_base;
+unsigned long pci_dram_offset;
+static int pci_bus_count;
+
+
 void set_pci_dma_ops(struct dma_map_ops *dma_ops)
 {
        pci_dma_ops = dma_ops;
@@ -1558,6 +1563,112 @@ void __devinit pcibios_setup_phb_resources(struct pci_controller *hose)
                 (unsigned long)hose->io_base_virt - _IO_BASE);
 }
 
+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;
+}
+
 /*
  * Null PCI config access functions, for the case when we can't
  * find a hose.
@@ -1626,3 +1737,4 @@ int early_find_capability(struct pci_controller *hose, int bus, int devfn,
 {
        return pci_bus_find_capability(fake_pci_bus(hose, bus), devfn, cap);
 }
+
diff --git a/arch/microblaze/pci/pci_32.c b/arch/microblaze/pci/pci_32.c
deleted file mode 100644 (file)
index ab3c4d4..0000000
+++ /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;
-}