#include <linux/pci.h>
#include <linux/ioport.h>
#include <linux/init.h>
+#include <linux/dmi.h>
#include <asm/acpi.h>
#include <asm/segment.h>
#include "pci.h"
-#ifdef CONFIG_PCI_BIOS
-extern void pcibios_sort(void);
-#endif
-
unsigned int pci_probe = PCI_PROBE_BIOS | PCI_PROBE_CONF1 | PCI_PROBE_CONF2 |
PCI_PROBE_MMCONF;
pci_read_bridge_bases(b);
}
+/*
+ * Enable renumbering of PCI bus# ranges to reach all PCI busses (Cardbus)
+ */
+#ifdef __i386__
+static int __devinit assign_all_busses(struct dmi_system_id *d)
+{
+ pci_probe |= PCI_ASSIGN_ALL_BUSSES;
+ printk(KERN_INFO "%s detected: enabling PCI bus# renumbering"
+ " (pci=assign-busses)\n", d->ident);
+ return 0;
+}
+#endif
+
+/*
+ * Laptops which need pci=assign-busses to see Cardbus cards
+ */
+static struct dmi_system_id __devinitdata pciprobe_dmi_table[] = {
+#ifdef __i386__
+ {
+ .callback = assign_all_busses,
+ .ident = "Samsung X20 Laptop",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Samsung Electronics"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "SX20S"),
+ },
+ },
+#endif /* __i386__ */
+ {}
+};
struct pci_bus * __devinit pcibios_scan_root(int busnum)
{
struct pci_bus *bus = NULL;
+ dmi_check_system(pciprobe_dmi_table);
+
while ((bus = pci_find_next_bus(bus)) != NULL) {
if (bus->number == busnum) {
/* Already scanned */
}
}
- printk("PCI: Probing PCI hardware (bus %02x)\n", busnum);
+ printk(KERN_DEBUG "PCI: Probing PCI hardware (bus %02x)\n", busnum);
return pci_scan_bus_parented(NULL, busnum, &pci_root_ops, NULL);
}
struct cpuinfo_x86 *c = &boot_cpu_data;
if (!raw_pci_ops) {
- printk("PCI: System does not support PCI\n");
+ printk(KERN_WARNING "PCI: System does not support PCI\n");
return 0;
}
if ((pci_probe & PCI_BIOS_SORT) && !(pci_probe & PCI_NO_SORT))
pcibios_sort();
#endif
- pci_assign_unassigned_resources();
return 0;
}
acpi_noirq_set();
return NULL;
}
+ else if (!strcmp(str, "noearly")) {
+ pci_probe |= PCI_PROBE_NOEARLY;
+ return NULL;
+ }
#ifndef CONFIG_X86_VISWS
else if (!strcmp(str, "usepirqmask")) {
pci_probe |= PCI_USE_PIRQ_MASK;
void pcibios_disable_device (struct pci_dev *dev)
{
+ pcibios_disable_resources(dev);
if (pcibios_disable_irq)
pcibios_disable_irq(dev);
}