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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/arch/x86/pci/early.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/arch/x86/pci/early.c')
-rw-r--r-- | ANDROID_3.4.5/arch/x86/pci/early.c | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/ANDROID_3.4.5/arch/x86/pci/early.c b/ANDROID_3.4.5/arch/x86/pci/early.c deleted file mode 100644 index d1067d53..00000000 --- a/ANDROID_3.4.5/arch/x86/pci/early.c +++ /dev/null @@ -1,111 +0,0 @@ -#include <linux/kernel.h> -#include <linux/pci.h> -#include <asm/pci-direct.h> -#include <asm/io.h> -#include <asm/pci_x86.h> - -/* Direct PCI access. This is used for PCI accesses in early boot before - the PCI subsystem works. */ - -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); - 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)); - 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)); - return v; -} - -void write_pci_config(u8 bus, u8 slot, u8 func, u8 offset, - u32 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) -{ - outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8); - outb(val, 0xcfc + (offset&3)); -} - -void write_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset, u16 val) -{ - outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8); - outw(val, 0xcfc + (offset&2)); -} - -int early_pci_allowed(void) -{ - return (pci_probe & (PCI_PROBE_CONF1|PCI_PROBE_NOEARLY)) == - PCI_PROBE_CONF1; -} - -void early_dump_pci_device(u8 bus, u8 slot, u8 func) -{ - int i; - int j; - u32 val; - - printk(KERN_INFO "pci 0000:%02x:%02x.%d config space:", - bus, slot, func); - - for (i = 0; i < 256; i += 4) { - if (!(i & 0x0f)) - printk("\n %02x:",i); - - val = read_pci_config(bus, slot, func, i); - for (j = 0; j < 4; j++) { - printk(" %02x", val & 0xff); - val >>= 8; - } - } - printk("\n"); -} - -void early_dump_pci_devices(void) -{ - unsigned bus, slot, func; - - if (!early_pci_allowed()) - return; - - for (bus = 0; bus < 256; bus++) { - for (slot = 0; slot < 32; slot++) { - for (func = 0; func < 8; func++) { - u32 class; - u8 type; - - class = read_pci_config(bus, slot, func, - PCI_CLASS_REVISION); - if (class == 0xffffffff) - continue; - - early_dump_pci_device(bus, slot, func); - - if (func == 0) { - type = read_pci_config_byte(bus, slot, - func, - PCI_HEADER_TYPE); - if (!(type & 0x80)) - break; - } - } - } - } -} |