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Diffstat (limited to 'arch/powerpc/platforms/52xx/efika-pci.c')
-rw-r--r--arch/powerpc/platforms/52xx/efika-pci.c119
1 files changed, 0 insertions, 119 deletions
diff --git a/arch/powerpc/platforms/52xx/efika-pci.c b/arch/powerpc/platforms/52xx/efika-pci.c
deleted file mode 100644
index 62e05b2a922..00000000000
--- a/arch/powerpc/platforms/52xx/efika-pci.c
+++ /dev/null
@@ -1,119 +0,0 @@
-
-#include <linux/kernel.h>
-#include <linux/pci.h>
-#include <linux/string.h>
-#include <linux/init.h>
-
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/prom.h>
-#include <asm/machdep.h>
-#include <asm/sections.h>
-#include <asm/pci-bridge.h>
-#include <asm/rtas.h>
-
-#include "efika.h"
-
-#ifdef CONFIG_PCI
-/*
- * Access functions for PCI config space using RTAS calls.
- */
-static int rtas_read_config(struct pci_bus *bus, unsigned int devfn, int offset,
- int len, u32 * val)
-{
- struct pci_controller *hose = bus->sysdata;
- unsigned long addr = (offset & 0xff) | ((devfn & 0xff) << 8)
- | (((bus->number - hose->first_busno) & 0xff) << 16)
- | (hose->index << 24);
- int ret = -1;
- int rval;
-
- rval = rtas_call(rtas_token("read-pci-config"), 2, 2, &ret, addr, len);
- *val = ret;
- return rval ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL;
-}
-
-static int rtas_write_config(struct pci_bus *bus, unsigned int devfn,
- int offset, int len, u32 val)
-{
- struct pci_controller *hose = bus->sysdata;
- unsigned long addr = (offset & 0xff) | ((devfn & 0xff) << 8)
- | (((bus->number - hose->first_busno) & 0xff) << 16)
- | (hose->index << 24);
- int rval;
-
- rval = rtas_call(rtas_token("write-pci-config"), 3, 1, NULL,
- addr, len, val);
- return rval ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL;
-}
-
-static struct pci_ops rtas_pci_ops = {
- rtas_read_config,
- rtas_write_config
-};
-
-void __init efika_pcisetup(void)
-{
- const int *bus_range;
- int len;
- struct pci_controller *hose;
- struct device_node *root;
- struct device_node *pcictrl;
-
- root = of_find_node_by_path("/");
- if (root == NULL) {
- printk(KERN_WARNING EFIKA_PLATFORM_NAME
- ": Unable to find the root node\n");
- return;
- }
-
- for (pcictrl = NULL;;) {
- pcictrl = of_get_next_child(root, pcictrl);
- if ((pcictrl == NULL) || (strcmp(pcictrl->name, "pci") == 0))
- break;
- }
-
- of_node_put(root);
-
- if (pcictrl == NULL) {
- printk(KERN_WARNING EFIKA_PLATFORM_NAME
- ": Unable to find the PCI bridge node\n");
- return;
- }
-
- bus_range = get_property(pcictrl, "bus-range", &len);
- if (bus_range == NULL || len < 2 * sizeof(int)) {
- printk(KERN_WARNING EFIKA_PLATFORM_NAME
- ": Can't get bus-range for %s\n", pcictrl->full_name);
- return;
- }
-
- if (bus_range[1] == bus_range[0])
- printk(KERN_INFO EFIKA_PLATFORM_NAME ": PCI bus %d",
- bus_range[0]);
- else
- printk(KERN_INFO EFIKA_PLATFORM_NAME ": PCI buses %d..%d",
- bus_range[0], bus_range[1]);
- printk(" controlled by %s\n", pcictrl->full_name);
- printk("\n");
-
- hose = pcibios_alloc_controller();
- if (!hose) {
- printk(KERN_WARNING EFIKA_PLATFORM_NAME
- ": Can't allocate PCI controller structure for %s\n",
- pcictrl->full_name);
- return;
- }
-
- hose->arch_data = of_node_get(pcictrl);
- hose->first_busno = bus_range[0];
- hose->last_busno = bus_range[1];
- hose->ops = &rtas_pci_ops;
-
- pci_process_bridge_OF_ranges(hose, pcictrl, 0);
-}
-
-#else
-void __init efika_pcisetup(void)
-{}
-#endif