diff options
Diffstat (limited to 'arch/x86/include/asm/amd_nb.h')
-rw-r--r-- | arch/x86/include/asm/amd_nb.h | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/arch/x86/include/asm/amd_nb.h b/arch/x86/include/asm/amd_nb.h deleted file mode 100644 index adfa0854cf2d..000000000000 --- a/arch/x86/include/asm/amd_nb.h +++ /dev/null @@ -1,77 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_X86_AMD_NB_H -#define _ASM_X86_AMD_NB_H - -#include <linux/ioport.h> -#include <linux/pci.h> -#include <asm/amd_node.h> - -struct amd_nb_bus_dev_range { - u8 bus; - u8 dev_base; - u8 dev_limit; -}; - -extern const struct amd_nb_bus_dev_range amd_nb_bus_dev_ranges[]; - -extern bool early_is_amd_nb(u32 value); -extern struct resource *amd_get_mmconfig_range(struct resource *res); -extern void amd_flush_garts(void); -extern int amd_numa_init(void); -extern int amd_get_subcaches(int); -extern int amd_set_subcaches(int, unsigned long); - -struct amd_l3_cache { - unsigned indices; - u8 subcaches[4]; -}; - -struct amd_northbridge { - struct pci_dev *misc; - struct pci_dev *link; - struct amd_l3_cache l3_cache; -}; - -struct amd_northbridge_info { - u16 num; - u64 flags; - struct amd_northbridge *nb; -}; - -#define AMD_NB_GART BIT(0) -#define AMD_NB_L3_INDEX_DISABLE BIT(1) -#define AMD_NB_L3_PARTITIONING BIT(2) - -#ifdef CONFIG_AMD_NB - -u16 amd_nb_num(void); -bool amd_nb_has_feature(unsigned int feature); -struct amd_northbridge *node_to_amd_nb(int node); - -static inline bool amd_gart_present(void) -{ - if (boot_cpu_data.x86_vendor != X86_VENDOR_AMD) - return false; - - /* GART present only on Fam15h, up to model 0fh */ - if (boot_cpu_data.x86 == 0xf || boot_cpu_data.x86 == 0x10 || - (boot_cpu_data.x86 == 0x15 && boot_cpu_data.x86_model < 0x10)) - return true; - - return false; -} - -#else - -#define amd_nb_num(x) 0 -#define amd_nb_has_feature(x) false -static inline struct amd_northbridge *node_to_amd_nb(int node) -{ - return NULL; -} -#define amd_gart_present(x) false - -#endif - - -#endif /* _ASM_X86_AMD_NB_H */ |