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-rw-r--r--arch/powerpc/kernel/pci-common.c86
-rw-r--r--arch/powerpc/kernel/pci_32.c6
-rw-r--r--arch/powerpc/kernel/pci_64.c7
-rw-r--r--arch/powerpc/kernel/pci_of_scan.c12
-rw-r--r--arch/powerpc/kernel/rtas_pci.c10
5 files changed, 28 insertions, 93 deletions
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index d0373bcb7c9d..8e78e93c8185 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -49,9 +49,6 @@ static int global_phb_number; /* Global phb counter */
/* ISA Memory physical address */
resource_size_t isa_mem_base;
-/* Default PCI flags is 0 on ppc32, modified at boot on ppc64 */
-unsigned int pci_flags = 0;
-
static struct dma_map_ops *pci_dma_ops = &dma_direct_ops;
@@ -834,60 +831,6 @@ int pci_proc_domain(struct pci_bus *bus)
return 1;
}
-void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
- struct resource *res)
-{
- resource_size_t offset = 0, mask = (resource_size_t)-1;
- struct pci_controller *hose = pci_bus_to_host(dev->bus);
-
- if (!hose)
- return;
- if (res->flags & IORESOURCE_IO) {
- offset = (unsigned long)hose->io_base_virt - _IO_BASE;
- mask = 0xffffffffu;
- } else if (res->flags & IORESOURCE_MEM)
- offset = hose->pci_mem_offset;
-
- region->start = (res->start - offset) & mask;
- region->end = (res->end - offset) & mask;
-}
-EXPORT_SYMBOL(pcibios_resource_to_bus);
-
-void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
- struct pci_bus_region *region)
-{
- resource_size_t offset = 0, mask = (resource_size_t)-1;
- struct pci_controller *hose = pci_bus_to_host(dev->bus);
-
- if (!hose)
- return;
- if (res->flags & IORESOURCE_IO) {
- offset = (unsigned long)hose->io_base_virt - _IO_BASE;
- mask = 0xffffffffu;
- } else if (res->flags & IORESOURCE_MEM)
- offset = hose->pci_mem_offset;
- res->start = (region->start + offset) & mask;
- res->end = (region->end + offset) & mask;
-}
-EXPORT_SYMBOL(pcibios_bus_to_resource);
-
-/* Fixup a bus resource into a linux resource */
-static void __devinit fixup_resource(struct resource *res, struct pci_dev *dev)
-{
- struct pci_controller *hose = pci_bus_to_host(dev->bus);
- resource_size_t offset = 0, mask = (resource_size_t)-1;
-
- if (res->flags & IORESOURCE_IO) {
- offset = (unsigned long)hose->io_base_virt - _IO_BASE;
- mask = 0xffffffffu;
- } else if (res->flags & IORESOURCE_MEM)
- offset = hose->pci_mem_offset;
-
- res->start = (res->start + offset) & mask;
- res->end = (res->end + offset) & mask;
-}
-
-
/* This header fixup will do the resource fixup for all devices as they are
* probed, but not for bridge ranges
*/
@@ -927,18 +870,11 @@ static void __devinit pcibios_fixup_resources(struct pci_dev *dev)
continue;
}
- pr_debug("PCI:%s Resource %d %016llx-%016llx [%x] fixup...\n",
+ pr_debug("PCI:%s Resource %d %016llx-%016llx [%x]\n",
pci_name(dev), i,
(unsigned long long)res->start,\
(unsigned long long)res->end,
(unsigned int)res->flags);
-
- fixup_resource(res, dev);
-
- pr_debug("PCI:%s %016llx-%016llx\n",
- pci_name(dev),
- (unsigned long long)res->start,
- (unsigned long long)res->end);
}
/* Call machine specific resource fixup */
@@ -1040,27 +976,18 @@ static void __devinit pcibios_fixup_bridge(struct pci_bus *bus)
continue;
}
- pr_debug("PCI:%s Bus rsrc %d %016llx-%016llx [%x] fixup...\n",
+ pr_debug("PCI:%s Bus rsrc %d %016llx-%016llx [%x]\n",
pci_name(dev), i,
(unsigned long long)res->start,\
(unsigned long long)res->end,
(unsigned int)res->flags);
- /* Perform fixup */
- fixup_resource(res, dev);
-
/* Try to detect uninitialized P2P bridge resources,
* and clear them out so they get re-assigned later
*/
if (pcibios_uninitialized_bridge_resource(bus, res)) {
res->flags = 0;
pr_debug("PCI:%s (unassigned)\n", pci_name(dev));
- } else {
-
- pr_debug("PCI:%s %016llx-%016llx\n",
- pci_name(dev),
- (unsigned long long)res->start,
- (unsigned long long)res->end);
}
}
}
@@ -1550,6 +1477,11 @@ int pcibios_enable_device(struct pci_dev *dev, int mask)
return pci_enable_resources(dev, mask);
}
+resource_size_t pcibios_io_space_offset(struct pci_controller *hose)
+{
+ return (unsigned long) hose->io_base_virt - _IO_BASE;
+}
+
static void __devinit pcibios_setup_phb_resources(struct pci_controller *hose, struct list_head *resources)
{
struct resource *res;
@@ -1574,7 +1506,7 @@ static void __devinit pcibios_setup_phb_resources(struct pci_controller *hose, s
(unsigned long long)res->start,
(unsigned long long)res->end,
(unsigned long)res->flags);
- pci_add_resource(resources, res);
+ pci_add_resource_offset(resources, res, pcibios_io_space_offset(hose));
/* Hookup PHB Memory resources */
for (i = 0; i < 3; ++i) {
@@ -1597,7 +1529,7 @@ static void __devinit pcibios_setup_phb_resources(struct pci_controller *hose, s
(unsigned long long)res->start,
(unsigned long long)res->end,
(unsigned long)res->flags);
- pci_add_resource(resources, res);
+ pci_add_resource_offset(resources, res, hose->pci_mem_offset);
}
pr_debug("PCI: PHB MEM offset = %016llx\n",
diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c
index fdd1a3d951dc..4b06ec5a502e 100644
--- a/arch/powerpc/kernel/pci_32.c
+++ b/arch/powerpc/kernel/pci_32.c
@@ -219,9 +219,9 @@ void __devinit pcibios_setup_phb_io_space(struct pci_controller *hose)
struct resource *res = &hose->io_resource;
/* 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;
+ io_offset = pcibios_io_space_offset(hose);
+ res->start += io_offset;
+ res->end += io_offset;
}
static int __init pcibios_init(void)
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index 3318d39b7d4c..94a54f61d341 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -33,8 +33,6 @@
#include <asm/machdep.h>
#include <asm/ppc-pci.h>
-unsigned long pci_probe_only = 1;
-
/* pci_io_base -- the base address from which io bars are offsets.
* This is the lowest I/O base address (so bar values are always positive),
* and it *must* be the start of ISA space if an ISA bus exists because
@@ -55,9 +53,6 @@ static int __init pcibios_init(void)
*/
ppc_md.phys_mem_access_prot = pci_phys_mem_access_prot;
- if (pci_probe_only)
- pci_add_flags(PCI_PROBE_ONLY);
-
/* On ppc64, we always enable PCI domains and we keep domain 0
* backward compatible in /proc for video cards
*/
@@ -173,7 +168,7 @@ static int __devinit pcibios_map_phb_io_space(struct pci_controller *hose)
return -ENOMEM;
/* Fixup hose IO resource */
- io_virt_offset = (unsigned long)hose->io_base_virt - _IO_BASE;
+ io_virt_offset = pcibios_io_space_offset(hose);
hose->io_resource.start += io_virt_offset;
hose->io_resource.end += io_virt_offset;
diff --git a/arch/powerpc/kernel/pci_of_scan.c b/arch/powerpc/kernel/pci_of_scan.c
index b37d0b5a796e..89dde171a6fa 100644
--- a/arch/powerpc/kernel/pci_of_scan.c
+++ b/arch/powerpc/kernel/pci_of_scan.c
@@ -75,6 +75,7 @@ static void of_pci_parse_addrs(struct device_node *node, struct pci_dev *dev)
{
u64 base, size;
unsigned int flags;
+ struct pci_bus_region region;
struct resource *res;
const u32 *addrs;
u32 i;
@@ -106,10 +107,11 @@ static void of_pci_parse_addrs(struct device_node *node, struct pci_dev *dev)
printk(KERN_ERR "PCI: bad cfg reg num 0x%x\n", i);
continue;
}
- res->start = base;
- res->end = base + size - 1;
res->flags = flags;
res->name = pci_name(dev);
+ region.start = base;
+ region.end = base + size - 1;
+ pcibios_bus_to_resource(dev, res, &region);
}
}
@@ -209,6 +211,7 @@ void __devinit of_scan_pci_bridge(struct pci_dev *dev)
struct pci_bus *bus;
const u32 *busrange, *ranges;
int len, i, mode;
+ struct pci_bus_region region;
struct resource *res;
unsigned int flags;
u64 size;
@@ -270,9 +273,10 @@ void __devinit of_scan_pci_bridge(struct pci_dev *dev)
res = bus->resource[i];
++i;
}
- res->start = of_read_number(&ranges[1], 2);
- res->end = res->start + size - 1;
res->flags = flags;
+ region.start = of_read_number(&ranges[1], 2);
+ region.end = region.start + size - 1;
+ pcibios_bus_to_resource(dev, res, &region);
}
sprintf(bus->name, "PCI Bus %04x:%02x", pci_domain_nr(bus),
bus->number);
diff --git a/arch/powerpc/kernel/rtas_pci.c b/arch/powerpc/kernel/rtas_pci.c
index 517bd86bc3f0..179af906dcda 100644
--- a/arch/powerpc/kernel/rtas_pci.c
+++ b/arch/powerpc/kernel/rtas_pci.c
@@ -279,7 +279,7 @@ void __init find_and_init_phbs(void)
eeh_dev_phb_init();
/*
- * pci_probe_only and pci_assign_all_buses can be set via properties
+ * PCI_PROBE_ONLY and PCI_REASSIGN_ALL_BUS can be set via properties
* in chosen.
*/
if (of_chosen) {
@@ -287,8 +287,12 @@ void __init find_and_init_phbs(void)
prop = of_get_property(of_chosen,
"linux,pci-probe-only", NULL);
- if (prop)
- pci_probe_only = *prop;
+ if (prop) {
+ if (*prop)
+ pci_add_flags(PCI_PROBE_ONLY);
+ else
+ pci_clear_flags(PCI_PROBE_ONLY);
+ }
#ifdef CONFIG_PPC32 /* Will be made generic soon */
prop = of_get_property(of_chosen,
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-14 12:34:13 +0000