diff options
Diffstat (limited to 'arch/microblaze/include/asm')
| -rw-r--r-- | arch/microblaze/include/asm/io.h | 16 | ||||
| -rw-r--r-- | arch/microblaze/include/asm/pgtable.h | 15 | ||||
| -rw-r--r-- | arch/microblaze/include/asm/prom.h | 15 |
3 files changed, 45 insertions, 1 deletions
diff --git a/arch/microblaze/include/asm/io.h b/arch/microblaze/include/asm/io.h index f82df5d221a..06d804b15a5 100644 --- a/arch/microblaze/include/asm/io.h +++ b/arch/microblaze/include/asm/io.h @@ -17,7 +17,21 @@ #include <linux/mm.h> /* Get struct page {...} */ #include <asm-generic/iomap.h> -#define PCI_DRAM_OFFSET 0 +#ifndef CONFIG_PCI +#define _IO_BASE 0 +#define _ISA_MEM_BASE 0 +#define PCI_DRAM_OFFSET 0 +#else +#define _IO_BASE isa_io_base +#define _ISA_MEM_BASE isa_mem_base +#define PCI_DRAM_OFFSET pci_dram_offset +#endif + +extern unsigned long isa_io_base; +extern unsigned long pci_io_base; +extern unsigned long pci_dram_offset; + +extern resource_size_t isa_mem_base; #define IO_SPACE_LIMIT (0xFFFFFFFF) diff --git a/arch/microblaze/include/asm/pgtable.h b/arch/microblaze/include/asm/pgtable.h index cc3a4dfc3ea..1c47f6f8bfb 100644 --- a/arch/microblaze/include/asm/pgtable.h +++ b/arch/microblaze/include/asm/pgtable.h @@ -90,6 +90,21 @@ static inline pte_t pte_mkspecial(pte_t pte) { return pte; } #endif /* __ASSEMBLY__ */ /* + * Macro to mark a page protection value as "uncacheable". + */ + +#define _PAGE_CACHE_CTL (_PAGE_GUARDED | _PAGE_NO_CACHE | \ + _PAGE_WRITETHRU) + +#define pgprot_noncached(prot) \ + (__pgprot((pgprot_val(prot) & ~_PAGE_CACHE_CTL) | \ + _PAGE_NO_CACHE | _PAGE_GUARDED)) + +#define pgprot_noncached_wc(prot) \ + (__pgprot((pgprot_val(prot) & ~_PAGE_CACHE_CTL) | \ + _PAGE_NO_CACHE)) + +/* * The MicroBlaze MMU is identical to the PPC-40x MMU, and uses a hash * table containing PTEs, together with a set of 16 segment registers, to * define the virtual to physical address mapping. diff --git a/arch/microblaze/include/asm/prom.h b/arch/microblaze/include/asm/prom.h index 03f45a96320..e7d67a329bd 100644 --- a/arch/microblaze/include/asm/prom.h +++ b/arch/microblaze/include/asm/prom.h @@ -31,6 +31,21 @@ /* Other Prototypes */ extern int early_uartlite_console(void); +#ifdef CONFIG_PCI +/* + * PCI <-> OF matching functions + * (XXX should these be here?) + */ +struct pci_bus; +struct pci_dev; +extern int pci_device_from_OF_node(struct device_node *node, + u8 *bus, u8 *devfn); +extern struct device_node *pci_busdev_to_OF_node(struct pci_bus *bus, + int devfn); +extern struct device_node *pci_device_to_OF_node(struct pci_dev *dev); +extern void pci_create_OF_bus_map(void); +#endif + /* * OF address retreival & translation */ |