extern unsigned int pci_probe;
extern unsigned long pirq_table_addr;
+enum pci_bf_sort_state {
+ pci_bf_sort_default,
+ pci_force_nobf,
+ pci_force_bf,
+ pci_dmi_bf,
+};
+
/* pci-i386.c */
extern unsigned int pcibios_max_latency;
void pcibios_resource_survey(void);
int pcibios_enable_resources(struct pci_dev *, int);
-void pcibios_disable_resources(struct pci_dev *);
/* pci-pc.c */
extern void pci_mmcfg_init(int type);
extern void pcibios_sort(void);
+/* pci-mmconfig.c */
+
+/* Verify the first 16 busses. We assume that systems with more busses
+ get MCFG right. */
+#define PCI_MMCFG_MAX_CHECK_BUS 16
+extern DECLARE_BITMAP(pci_mmcfg_fallback_slots, 32*PCI_MMCFG_MAX_CHECK_BUS);
+
+extern int __init pci_mmcfg_arch_reachable(unsigned int seg, unsigned int bus,
+ unsigned int devfn);
+extern int __init pci_mmcfg_arch_init(void);
+
+/*
+ * AMD Fam10h CPUs are buggy, and cannot access MMIO config space
+ * on their northbrige except through the * %eax register. As such, you MUST
+ * NOT use normal IOMEM accesses, you need to only use the magic mmio-config
+ * accessor functions.
+ * In fact just use pci_config_*, nothing else please.
+ */
+static inline unsigned char mmio_config_readb(void __iomem *pos)
+{
+ u8 val;
+ asm volatile("movb (%1),%%al" : "=a" (val) : "r" (pos));
+ return val;
+}
+
+static inline unsigned short mmio_config_readw(void __iomem *pos)
+{
+ u16 val;
+ asm volatile("movw (%1),%%ax" : "=a" (val) : "r" (pos));
+ return val;
+}
+
+static inline unsigned int mmio_config_readl(void __iomem *pos)
+{
+ u32 val;
+ asm volatile("movl (%1),%%eax" : "=a" (val) : "r" (pos));
+ return val;
+}
+
+static inline void mmio_config_writeb(void __iomem *pos, u8 val)
+{
+ asm volatile("movb %%al,(%1)" :: "a" (val), "r" (pos) : "memory");
+}
+
+static inline void mmio_config_writew(void __iomem *pos, u16 val)
+{
+ asm volatile("movw %%ax,(%1)" :: "a" (val), "r" (pos) : "memory");
+}
+
+static inline void mmio_config_writel(void __iomem *pos, u32 val)
+{
+ asm volatile("movl %%eax,(%1)" :: "a" (val), "r" (pos) : "memory");
+}