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Diffstat (limited to 'arch/x86/include/asm/amd_nb.h')
-rw-r--r--arch/x86/include/asm/amd_nb.h105
1 files changed, 88 insertions, 17 deletions
diff --git a/arch/x86/include/asm/amd_nb.h b/arch/x86/include/asm/amd_nb.h
index c8517f81b21..aaac3b2fb74 100644
--- a/arch/x86/include/asm/amd_nb.h
+++ b/arch/x86/include/asm/amd_nb.h
@@ -1,38 +1,109 @@
#ifndef _ASM_X86_AMD_NB_H
#define _ASM_X86_AMD_NB_H
+#include <linux/ioport.h>
#include <linux/pci.h>
-extern struct pci_device_id k8_nb_ids[];
-struct bootnode;
+struct amd_nb_bus_dev_range {
+ u8 bus;
+ u8 dev_base;
+ u8 dev_limit;
+};
+
+extern const struct pci_device_id amd_nb_misc_ids[];
+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 int amd_cache_northbridges(void);
+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 threshold_block {
+ unsigned int block;
+ unsigned int bank;
+ unsigned int cpu;
+ u32 address;
+ u16 interrupt_enable;
+ bool interrupt_capable;
+ u16 threshold_limit;
+ struct kobject kobj;
+ struct list_head miscj;
+};
-extern int early_is_k8_nb(u32 value);
-extern int cache_k8_northbridges(void);
-extern void k8_flush_garts(void);
-extern int k8_get_nodes(struct bootnode *nodes);
-extern int k8_numa_init(unsigned long start_pfn, unsigned long end_pfn);
-extern int k8_scan_nodes(void);
+struct threshold_bank {
+ struct kobject *kobj;
+ struct threshold_block *blocks;
-struct k8_northbridge_info {
+ /* initialized to the number of CPUs on the node sharing this bank */
+ atomic_t cpus;
+};
+
+struct amd_northbridge {
+ struct pci_dev *misc;
+ struct pci_dev *link;
+ struct amd_l3_cache l3_cache;
+ struct threshold_bank *bank4;
+};
+
+struct amd_northbridge_info {
u16 num;
- u8 gart_supported;
- struct pci_dev **nb_misc;
+ u64 flags;
+ struct amd_northbridge *nb;
};
-extern struct k8_northbridge_info k8_northbridges;
+extern struct amd_northbridge_info amd_northbridges;
+
+#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
-static inline struct pci_dev *node_to_k8_nb_misc(int node)
+static inline u16 amd_nb_num(void)
{
- return (node < k8_northbridges.num) ? k8_northbridges.nb_misc[node] : NULL;
+ return amd_northbridges.num;
}
-#else
+static inline bool amd_nb_has_feature(unsigned feature)
+{
+ return ((amd_northbridges.flags & feature) == feature);
+}
+
+static inline struct amd_northbridge *node_to_amd_nb(int node)
+{
+ return (node < amd_northbridges.num) ? &amd_northbridges.nb[node] : NULL;
+}
-static inline struct pci_dev *node_to_k8_nb_misc(int node)
+static inline u16 amd_get_node_id(struct pci_dev *pdev)
{
- return NULL;
+ struct pci_dev *misc;
+ int i;
+
+ for (i = 0; i != amd_nb_num(); i++) {
+ misc = node_to_amd_nb(i)->misc;
+
+ if (pci_domain_nr(misc->bus) == pci_domain_nr(pdev->bus) &&
+ PCI_SLOT(misc->devfn) == PCI_SLOT(pdev->devfn))
+ return i;
+ }
+
+ WARN(1, "Unable to find AMD Northbridge id for %s\n", pci_name(pdev));
+ return 0;
}
+
+#else
+
+#define amd_nb_num(x) 0
+#define amd_nb_has_feature(x) false
+#define node_to_amd_nb(x) NULL
+
#endif