/*
- * arch/ppc64/kernel/rtas_pci.c
- *
* Copyright (C) 2001 Dave Engebretsen, IBM Corporation
* Copyright (C) 2003 Anton Blanchard <anton@au.ibm.com>, IBM
*
#include <asm/rtas.h>
#include <asm/mpic.h>
#include <asm/ppc-pci.h>
+#include <asm/eeh.h>
/* RTAS tokens */
static int read_pci_config;
static int of_device_available(struct device_node * dn)
{
- char * status;
+ const char *status;
status = get_property(dn, "status", NULL);
if (!config_access_valid(pdn, where))
return PCIBIOS_BAD_REGISTER_NUMBER;
- addr = ((where & 0xf00) << 20) | (pdn->busno << 16) |
- (pdn->devfn << 8) | (where & 0xff);
+ addr = rtas_config_addr(pdn->busno, pdn->devfn, where);
buid = pdn->phb->buid;
if (buid) {
ret = rtas_call(ibm_read_pci_config, 4, 2, &returnval,
if (!config_access_valid(pdn, where))
return PCIBIOS_BAD_REGISTER_NUMBER;
- addr = ((where & 0xf00) << 20) | (pdn->busno << 16) |
- (pdn->devfn << 8) | (where & 0xff);
+ addr = rtas_config_addr(pdn->busno, pdn->devfn, where);
buid = pdn->phb->buid;
if (buid) {
ret = rtas_call(ibm_write_pci_config, 5, 1, NULL, addr,
int is_python(struct device_node *dev)
{
- char *model = (char *)get_property(dev, "model", NULL);
+ const char *model = get_property(dev, "model", NULL);
if (model && strstr(model, "Python"))
return 1;
unsigned long __devinit get_phb_buid (struct device_node *phb)
{
- int addr_cells;
- unsigned int *buid_vals;
- unsigned int len;
- unsigned long buid;
+ struct resource r;
- if (ibm_read_pci_config == -1) return 0;
-
- /* PHB's will always be children of the root node,
- * or so it is promised by the current firmware. */
- if (phb->parent == NULL)
- return 0;
- if (phb->parent->parent)
+ if (ibm_read_pci_config == -1)
return 0;
-
- buid_vals = (unsigned int *) get_property(phb, "reg", &len);
- if (buid_vals == NULL)
+ if (of_address_to_resource(phb, 0, &r))
return 0;
-
- addr_cells = prom_n_addr_cells(phb);
- if (addr_cells == 1) {
- buid = (unsigned long) buid_vals[0];
- } else {
- buid = (((unsigned long)buid_vals[0]) << 32UL) |
- (((unsigned long)buid_vals[1]) & 0xffffffff);
- }
- return buid;
+ return r.start;
}
static int phb_set_bus_ranges(struct device_node *dev,
struct pci_controller *phb)
{
- int *bus_range;
+ const int *bus_range;
unsigned int len;
- bus_range = (int *) get_property(dev, "bus-range", &len);
+ bus_range = get_property(dev, "bus-range", &len);
if (bus_range == NULL || len < 2 * sizeof(int)) {
return 1;
}
return 0;
}
-int __devinit setup_phb(struct device_node *dev, struct pci_controller *phb)
+int __devinit rtas_setup_phb(struct pci_controller *phb)
{
+ struct device_node *dev = phb->arch_data;
+
if (is_python(dev))
python_countermeasures(dev);
struct device_node *node;
struct pci_controller *phb;
unsigned int index;
- unsigned int root_size_cells = 0;
- unsigned int *opprop = NULL;
struct device_node *root = of_find_node_by_path("/");
- if (ppc64_interrupt_controller == IC_OPEN_PIC) {
- opprop = (unsigned int *)get_property(root,
- "platform-open-pic", NULL);
- }
-
- root_size_cells = prom_n_size_cells(root);
-
index = 0;
-
for (node = of_get_next_child(root, NULL);
node != NULL;
node = of_get_next_child(root, node)) {
- if (node->type == NULL || strcmp(node->type, "pci") != 0)
+
+ if (node->type == NULL || (strcmp(node->type, "pci") != 0 &&
+ strcmp(node->type, "pciex") != 0))
continue;
phb = pcibios_alloc_controller(node);
if (!phb)
continue;
- setup_phb(node, phb);
+ rtas_setup_phb(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]);
- }
-#endif
index++;
}
* in chosen.
*/
if (of_chosen) {
- int *prop;
+ const int *prop;
- prop = (int *)get_property(of_chosen, "linux,pci-probe-only",
- NULL);
+ prop = get_property(of_chosen,
+ "linux,pci-probe-only", NULL);
if (prop)
pci_probe_only = *prop;
- prop = (int *)get_property(of_chosen,
- "linux,pci-assign-all-buses", NULL);
+ prop = get_property(of_chosen,
+ "linux,pci-assign-all-buses", NULL);
if (prop)
pci_assign_all_buses = *prop;
}
}
}
- list_del(&phb->list_node);
pcibios_free_controller(phb);
return 0;