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Diffstat (limited to 'drivers/char/agp/amd64-agp.c')
-rw-r--r--drivers/char/agp/amd64-agp.c25
1 files changed, 3 insertions, 22 deletions
diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index d8200ac8f8cb..25d64224cdbb 100644
--- a/drivers/char/agp/amd64-agp.c
+++ b/drivers/char/agp/amd64-agp.c
@@ -16,28 +16,9 @@
16#include <asm/page.h> /* PAGE_SIZE */ 16#include <asm/page.h> /* PAGE_SIZE */
17#include <asm/e820.h> 17#include <asm/e820.h>
18#include <asm/k8.h> 18#include <asm/k8.h>
19#include <asm/gart.h>
19#include "agp.h" 20#include "agp.h"
20 21
21/* PTE bits. */
22#define GPTE_VALID 1
23#define GPTE_COHERENT 2
24
25/* Aperture control register bits. */
26#define GARTEN (1<<0)
27#define DISGARTCPU (1<<4)
28#define DISGARTIO (1<<5)
29
30/* GART cache control register bits. */
31#define INVGART (1<<0)
32#define GARTPTEERR (1<<1)
33
34/* K8 On-cpu GART registers */
35#define AMD64_GARTAPERTURECTL 0x90
36#define AMD64_GARTAPERTUREBASE 0x94
37#define AMD64_GARTTABLEBASE 0x98
38#define AMD64_GARTCACHECTL 0x9c
39#define AMD64_GARTEN (1<<0)
40
41/* NVIDIA K8 registers */ 22/* NVIDIA K8 registers */
42#define NVIDIA_X86_64_0_APBASE 0x10 23#define NVIDIA_X86_64_0_APBASE 0x10
43#define NVIDIA_X86_64_1_APBASE1 0x50 24#define NVIDIA_X86_64_1_APBASE1 0x50
@@ -165,7 +146,7 @@ static int amd64_fetch_size(void)
165 * In a multiprocessor x86-64 system, this function gets 146 * In a multiprocessor x86-64 system, this function gets
166 * called once for each CPU. 147 * called once for each CPU.
167 */ 148 */
168static u64 amd64_configure (struct pci_dev *hammer, u64 gatt_table) 149static u64 amd64_configure(struct pci_dev *hammer, u64 gatt_table)
169{ 150{
170 u64 aperturebase; 151 u64 aperturebase;
171 u32 tmp; 152 u32 tmp;
@@ -181,7 +162,7 @@ static u64 amd64_configure (struct pci_dev *hammer, u64 gatt_table)
181 addr >>= 12; 162 addr >>= 12;
182 tmp = (u32) addr<<4; 163 tmp = (u32) addr<<4;
183 tmp &= ~0xf; 164 tmp &= ~0xf;
184 pci_write_config_dword (hammer, AMD64_GARTTABLEBASE, tmp); 165 pci_write_config_dword(hammer, AMD64_GARTTABLEBASE, tmp);
185 166
186 /* Enable GART translation for this hammer. */ 167 /* Enable GART translation for this hammer. */
187 pci_read_config_dword(hammer, AMD64_GARTAPERTURECTL, &tmp); 168 pci_read_config_dword(hammer, AMD64_GARTAPERTURECTL, &tmp);