From bb8985586b7a906e116db835c64773b7a7d51663 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 17 Aug 2008 21:05:42 -0400 Subject: x86, um: ... and asm-x86 move Signed-off-by: Al Viro Signed-off-by: H. Peter Anvin --- include/asm-x86/gart.h | 73 -------------------------------------------------- 1 file changed, 73 deletions(-) delete mode 100644 include/asm-x86/gart.h (limited to 'include/asm-x86/gart.h') diff --git a/include/asm-x86/gart.h b/include/asm-x86/gart.h deleted file mode 100644 index 605edb39ef9e..000000000000 --- a/include/asm-x86/gart.h +++ /dev/null @@ -1,73 +0,0 @@ -#ifndef ASM_X86__GART_H -#define ASM_X86__GART_H - -#include - -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 */ -- cgit v1.2.2