diff options
| author | Steven Whitehouse <swhiteho@redhat.com> | 2006-09-28 14:29:59 +0200 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2006-09-28 14:29:59 +0200 |
| commit | 185a257f2f73bcd89050ad02da5bedbc28fc43fa (patch) | |
| tree | 5e32586114534ed3f2165614cba3d578f5d87307 /include/asm-x86_64/pci-direct.h | |
| parent | [GFS2] Fix typo in last patch (diff) | |
| parent | Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/... (diff) | |
| download | linux-185a257f2f73bcd89050ad02da5bedbc28fc43fa.tar.xz linux-185a257f2f73bcd89050ad02da5bedbc28fc43fa.zip | |
Merge branch 'master' into gfs2
Diffstat (limited to 'include/asm-x86_64/pci-direct.h')
| -rw-r--r-- | include/asm-x86_64/pci-direct.h | 42 |
1 files changed, 5 insertions, 37 deletions
diff --git a/include/asm-x86_64/pci-direct.h b/include/asm-x86_64/pci-direct.h index 036b6ca5b53b..eba9cb471df3 100644 --- a/include/asm-x86_64/pci-direct.h +++ b/include/asm-x86_64/pci-direct.h @@ -2,47 +2,15 @@ #define ASM_PCI_DIRECT_H 1 #include <linux/types.h> -#include <asm/io.h> /* Direct PCI access. This is used for PCI accesses in early boot before the PCI subsystem works. */ -#define PDprintk(x...) +extern u32 read_pci_config(u8 bus, u8 slot, u8 func, u8 offset); +extern u8 read_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset); +extern u16 read_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset); +extern void write_pci_config(u8 bus, u8 slot, u8 func, u8 offset, u32 val); -static inline u32 read_pci_config(u8 bus, u8 slot, u8 func, u8 offset) -{ - u32 v; - outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8); - v = inl(0xcfc); - if (v != 0xffffffff) - PDprintk("%x reading 4 from %x: %x\n", slot, offset, v); - return v; -} - -static inline u8 read_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset) -{ - u8 v; - outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8); - v = inb(0xcfc + (offset&3)); - PDprintk("%x reading 1 from %x: %x\n", slot, offset, v); - return v; -} - -static inline u16 read_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset) -{ - u16 v; - outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8); - v = inw(0xcfc + (offset&2)); - PDprintk("%x reading 2 from %x: %x\n", slot, offset, v); - return v; -} - -static inline void write_pci_config(u8 bus, u8 slot, u8 func, u8 offset, - u32 val) -{ - PDprintk("%x writing to %x: %x\n", slot, offset, val); - outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8); - outl(val, 0xcfc); -} +extern int early_pci_allowed(void); #endif |