diff options
Diffstat (limited to 'arch/i386/pci/early.c')
-rw-r--r-- | arch/i386/pci/early.c | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/arch/i386/pci/early.c b/arch/i386/pci/early.c deleted file mode 100644 index 42df4b6606df..000000000000 --- a/arch/i386/pci/early.c +++ /dev/null @@ -1,59 +0,0 @@ -#include <linux/kernel.h> -#include <linux/pci.h> -#include <asm/pci-direct.h> -#include <asm/io.h> -#include "pci.h" - -/* Direct PCI access. This is used for PCI accesses in early boot before - the PCI subsystem works. */ - -#define PDprintk(x...) - -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; -} - -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; -} - -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; -} - -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); -} - -void write_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset, u8 val) -{ - PDprintk("%x writing to %x: %x\n", slot, offset, val); - outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8); - outb(val, 0xcfc); -} - -int early_pci_allowed(void) -{ - return (pci_probe & (PCI_PROBE_CONF1|PCI_PROBE_NOEARLY)) == - PCI_PROBE_CONF1; -} |