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authorAl Viro <viro@zeniv.linux.org.uk>2008-08-17 21:05:42 -0400
committerH. Peter Anvin <hpa@zytor.com>2008-10-22 22:55:20 -0700
commitbb8985586b7a906e116db835c64773b7a7d51663 (patch)
treede93ae58e88cc563d95cc124a73f3930594c6100 /include/asm-x86/gart.h
parent8ede0bdb63305d3353efd97e9af6210afb05734e (diff)
x86, um: ... and asm-x86 move
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'include/asm-x86/gart.h')
-rw-r--r--include/asm-x86/gart.h73
1 files changed, 0 insertions, 73 deletions
diff --git a/include/asm-x86/gart.h b/include/asm-x86/gart.h
deleted file mode 100644
index 605edb39ef9..00000000000
--- a/include/asm-x86/gart.h
+++ /dev/null
@@ -1,73 +0,0 @@
-#ifndef ASM_X86__GART_H
-#define ASM_X86__GART_H
-
-#include <asm/e820.h>
-
-extern void set_up_gart_resume(u32, u32);
-
-extern int fallback_aper_order;
-extern int fallback_aper_force;
-extern int fix_aperture;
-
-/* PTE bits. */
-#define GPTE_VALID 1
-#define GPTE_COHERENT 2
-
-/* Aperture control register bits. */
-#define GARTEN (1<<0)
-#define DISGARTCPU (1<<4)
-#define DISGARTIO (1<<5)
-
-/* GART cache control register bits. */
-#define INVGART (1<<0)
-#define GARTPTEERR (1<<1)
-
-/* K8 On-cpu GART registers */
-#define AMD64_GARTAPERTURECTL 0x90
-#define AMD64_GARTAPERTUREBASE 0x94
-#define AMD64_GARTTABLEBASE 0x98
-#define AMD64_GARTCACHECTL 0x9c
-#define AMD64_GARTEN (1<<0)
-
-extern int agp_amd64_init(void);
-
-static inline void enable_gart_translation(struct pci_dev *dev, u64 addr)
-{
- u32 tmp, ctl;
-
- /* address of the mappings table */
- addr >>= 12;
- tmp = (u32) addr<<4;
- tmp &= ~0xf;
- pci_write_config_dword(dev, AMD64_GARTTABLEBASE, tmp);
-
- /* Enable GART translation for this hammer. */
- pci_read_config_dword(dev, AMD64_GARTAPERTURECTL, &ctl);
- ctl |= GARTEN;
- ctl &= ~(DISGARTCPU | DISGARTIO);
- pci_write_config_dword(dev, AMD64_GARTAPERTURECTL, ctl);
-}
-
-static inline int aperture_valid(u64 aper_base, u32 aper_size, u32 min_size)
-{
- if (!aper_base)
- return 0;
-
- if (aper_base + aper_size > 0x100000000ULL) {
- printk(KERN_INFO "Aperture beyond 4GB. Ignoring.\n");
- return 0;
- }
- if (e820_any_mapped(aper_base, aper_base + aper_size, E820_RAM)) {
- printk(KERN_INFO "Aperture pointing to e820 RAM. Ignoring.\n");
- return 0;
- }
- if (aper_size < min_size) {
- printk(KERN_INFO "Aperture too small (%d MB) than (%d MB)\n",
- aper_size>>20, min_size>>20);
- return 0;
- }
-
- return 1;
-}
-
-#endif /* ASM_X86__GART_H */