aboutsummaryrefslogtreecommitdiff
path: root/include/asm-x86/io_32.h
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2008-01-31 00:40:09 +1100
committerLinus Torvalds <torvalds@linux-foundation.org>2008-01-31 00:40:09 +1100
commitdd430ca20c40ecccd6954a7efd13d4398f507728 (patch)
treeb65089436d17b2bcc6054ede2e335a821b50007f /include/asm-x86/io_32.h
parent60e233172eabdd1f831bd48631b9626ce2279d9b (diff)
parentafadcd788f37bfa62d92662e54a720c26c91becf (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86
* git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86: (890 commits) x86: fix nodemap_size according to nodeid bits x86: fix overlap between pagetable with bss section x86: add PCI IDs to k8topology_64.c x86: fix early_ioremap pagetable ops x86: use the same pgd_list for PAE and 64-bit x86: defer cr3 reload when doing pud_clear() x86: early boot debugging via FireWire (ohci1394_dma=early) x86: don't special-case pmd allocations as much x86: shrink some ifdefs in fault.c x86: ignore spurious faults x86: remove nx_enabled from fault.c x86: unify fault_32|64.c x86: unify fault_32|64.c with ifdefs x86: unify fault_32|64.c by ifdef'd function bodies x86: arch/x86/mm/init_32.c printk fixes x86: arch/x86/mm/init_32.c cleanup x86: arch/x86/mm/init_64.c printk fixes x86: unify ioremap x86: fixes some bugs about EFI memory map handling x86: use reboot_type on EFI 32 ...
Diffstat (limited to 'include/asm-x86/io_32.h')
-rw-r--r--include/asm-x86/io_32.h35
1 files changed, 20 insertions, 15 deletions
diff --git a/include/asm-x86/io_32.h b/include/asm-x86/io_32.h
index fe881cd1e6f..586d7aa54ce 100644
--- a/include/asm-x86/io_32.h
+++ b/include/asm-x86/io_32.h
@@ -100,8 +100,6 @@ static inline void * phys_to_virt(unsigned long address)
*/
#define page_to_phys(page) ((dma_addr_t)page_to_pfn(page) << PAGE_SHIFT)
-extern void __iomem * __ioremap(unsigned long offset, unsigned long size, unsigned long flags);
-
/**
* ioremap - map bus memory into CPU space
* @offset: bus address of the memory
@@ -111,32 +109,39 @@ extern void __iomem * __ioremap(unsigned long offset, unsigned long size, unsign
* make bus memory CPU accessible via the readb/readw/readl/writeb/
* writew/writel functions and the other mmio helpers. The returned
* address is not guaranteed to be usable directly as a virtual
- * address.
+ * address.
*
* If the area you are trying to map is a PCI BAR you should have a
* look at pci_iomap().
*/
+extern void __iomem *ioremap_nocache(unsigned long offset, unsigned long size);
+extern void __iomem *ioremap_cache(unsigned long offset, unsigned long size);
-static inline void __iomem * ioremap(unsigned long offset, unsigned long size)
+/*
+ * The default ioremap() behavior is non-cached:
+ */
+static inline void __iomem *ioremap(unsigned long offset, unsigned long size)
{
- return __ioremap(offset, size, 0);
+ return ioremap_nocache(offset, size);
}
-extern void __iomem * ioremap_nocache(unsigned long offset, unsigned long size);
extern void iounmap(volatile void __iomem *addr);
/*
- * bt_ioremap() and bt_iounmap() are for temporary early boot-time
+ * early_ioremap() and early_iounmap() are for temporary early boot-time
* mappings, before the real ioremap() is functional.
* A boot-time mapping is currently limited to at most 16 pages.
*/
-extern void *bt_ioremap(unsigned long offset, unsigned long size);
-extern void bt_iounmap(void *addr, unsigned long size);
+extern void early_ioremap_init(void);
+extern void early_ioremap_clear(void);
+extern void early_ioremap_reset(void);
+extern void *early_ioremap(unsigned long offset, unsigned long size);
+extern void early_iounmap(void *addr, unsigned long size);
extern void __iomem *fix_ioremap(unsigned idx, unsigned long phys);
/* Use early IO mappings for DMI because it's initialized early */
-#define dmi_ioremap bt_ioremap
-#define dmi_iounmap bt_iounmap
+#define dmi_ioremap early_ioremap
+#define dmi_iounmap early_iounmap
#define dmi_alloc alloc_bootmem
/*
@@ -250,10 +255,10 @@ static inline void flush_write_buffers(void)
#endif /* __KERNEL__ */
-static inline void native_io_delay(void)
-{
- asm volatile("outb %%al,$0x80" : : : "memory");
-}
+extern void native_io_delay(void);
+
+extern int io_delay_type;
+extern void io_delay_init(void);
#if defined(CONFIG_PARAVIRT)
#include <asm/paravirt.h>