1 files changed, 29 insertions, 5 deletions

diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index 6e64aaf00d1d..b67732bbb85a 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -20,6 +20,7 @@
 unsigned int pci_probe = PCI_PROBE_BIOS | PCI_PROBE_CONF1 | PCI_PROBE_CONF2 |
                                 PCI_PROBE_MMCONF;
 
+unsigned int pci_early_dump_regs;
 static int pci_bf_sort;
 int pci_routeirq;
 int pcibios_last_bus = -1;
@@ -31,7 +32,7 @@ struct pci_raw_ops *raw_pci_ext_ops;
 int raw_pci_read(unsigned int domain, unsigned int bus, unsigned int devfn,
                                                 int reg, int len, u32 *val)
 {
-        if (reg < 256 && raw_pci_ops)
+        if (domain == 0 && reg < 256 && raw_pci_ops)
                 return raw_pci_ops->read(domain, bus, devfn, reg, len, val);
         if (raw_pci_ext_ops)
                 return raw_pci_ext_ops->read(domain, bus, devfn, reg, len, val);
@@ -41,7 +42,7 @@ int raw_pci_read(unsigned int domain, unsigned int bus, unsigned int devfn,
 int raw_pci_write(unsigned int domain, unsigned int bus, unsigned int devfn,
                                                 int reg, int len, u32 val)
 {
-        if (reg < 256 && raw_pci_ops)
+        if (domain == 0 && reg < 256 && raw_pci_ops)
                 return raw_pci_ops->write(domain, bus, devfn, reg, len, val);
         if (raw_pci_ext_ops)
                 return raw_pci_ext_ops->write(domain, bus, devfn, reg, len, val);
@@ -121,6 +122,21 @@ void __init dmi_check_skip_isa_align(void)
         dmi_check_system(can_skip_pciprobe_dmi_table);
 }
 
+static void __devinit pcibios_fixup_device_resources(struct pci_dev *dev)
+{
+        struct resource *rom_r = &dev->resource[PCI_ROM_RESOURCE];
+
+        if (pci_probe & PCI_NOASSIGN_ROMS) {
+                if (rom_r->parent)
+                        return;
+                if (rom_r->start) {
+                        /* we deal with BIOS assigned ROM later */
+                        return;
+                }
+                rom_r->start = rom_r->end = rom_r->flags = 0;
+        }
+}
+
 /*
  *  Called after each bus is probed, but before its children
  *  are examined.
@@ -128,7 +144,11 @@ void __init dmi_check_skip_isa_align(void)
 
 void __devinit  pcibios_fixup_bus(struct pci_bus *b)
 {
+        struct pci_dev *dev;
+
         pci_read_bridge_bases(b);
+        list_for_each_entry(dev, &b->devices, bus_list)
+                pcibios_fixup_device_resources(dev);
 }
 
 /*
@@ -384,7 +404,7 @@ struct pci_bus * __devinit pcibios_scan_root(int busnum)
 
 extern u8 pci_cache_line_size;
 
-static int __init pcibios_init(void)
+int __init pcibios_init(void)
 {
         struct cpuinfo_x86 *c = &boot_cpu_data;
 
@@ -411,8 +431,6 @@ static int __init pcibios_init(void)
         return 0;
 }
 
-subsys_initcall(pcibios_init);
-
 char * __devinit  pcibios_setup(char *str)
 {
         if (!strcmp(str, "off")) {
@@ -483,12 +501,18 @@ char * __devinit  pcibios_setup(char *str)
         else if (!strcmp(str, "rom")) {
                 pci_probe |= PCI_ASSIGN_ROMS;
                 return NULL;
+        } else if (!strcmp(str, "norom")) {
+                pci_probe |= PCI_NOASSIGN_ROMS;
+                return NULL;
         } else if (!strcmp(str, "assign-busses")) {
                 pci_probe |= PCI_ASSIGN_ALL_BUSSES;
                 return NULL;
         } else if (!strcmp(str, "use_crs")) {
                 pci_probe |= PCI_USE__CRS;
                 return NULL;
+        } else if (!strcmp(str, "earlydump")) {
+                pci_early_dump_regs = 1;
+                return NULL;
         } else if (!strcmp(str, "routeirq")) {
                 pci_routeirq = 1;
                 return NULL;