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Diffstat (limited to 'include/asm-i386/mach-default/mach_apic.h')
-rw-r--r--include/asm-i386/mach-default/mach_apic.h133
1 files changed, 133 insertions, 0 deletions
diff --git a/include/asm-i386/mach-default/mach_apic.h b/include/asm-i386/mach-default/mach_apic.h
new file mode 100644
index 00000000000..627f1cd084b
--- /dev/null
+++ b/include/asm-i386/mach-default/mach_apic.h
@@ -0,0 +1,133 @@
+#ifndef __ASM_MACH_APIC_H
+#define __ASM_MACH_APIC_H
+
+#include <mach_apicdef.h>
+#include <asm/smp.h>
+
+#define APIC_DFR_VALUE (APIC_DFR_FLAT)
+
+static inline cpumask_t target_cpus(void)
+{
+#ifdef CONFIG_SMP
+ return cpu_online_map;
+#else
+ return cpumask_of_cpu(0);
+#endif
+}
+#define TARGET_CPUS (target_cpus())
+
+#define NO_BALANCE_IRQ (0)
+#define esr_disable (0)
+
+#define NO_IOAPIC_CHECK (0)
+
+#define INT_DELIVERY_MODE dest_LowestPrio
+#define INT_DEST_MODE 1 /* logical delivery broadcast to all procs */
+
+static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid)
+{
+ return physid_isset(apicid, bitmap);
+}
+
+static inline unsigned long check_apicid_present(int bit)
+{
+ return physid_isset(bit, phys_cpu_present_map);
+}
+
+/*
+ * Set up the logical destination ID.
+ *
+ * Intel recommends to set DFR, LDR and TPR before enabling
+ * an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel
+ * document number 292116). So here it goes...
+ */
+static inline void init_apic_ldr(void)
+{
+ unsigned long val;
+
+ apic_write_around(APIC_DFR, APIC_DFR_VALUE);
+ val = apic_read(APIC_LDR) & ~APIC_LDR_MASK;
+ val |= SET_APIC_LOGICAL_ID(1UL << smp_processor_id());
+ apic_write_around(APIC_LDR, val);
+}
+
+static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map)
+{
+ return phys_map;
+}
+
+static inline void clustered_apic_check(void)
+{
+ printk("Enabling APIC mode: %s. Using %d I/O APICs\n",
+ "Flat", nr_ioapics);
+}
+
+static inline int multi_timer_check(int apic, int irq)
+{
+ return 0;
+}
+
+static inline int apicid_to_node(int logical_apicid)
+{
+ return 0;
+}
+
+/* Mapping from cpu number to logical apicid */
+static inline int cpu_to_logical_apicid(int cpu)
+{
+ return 1 << cpu;
+}
+
+static inline int cpu_present_to_apicid(int mps_cpu)
+{
+ if (mps_cpu < get_physical_broadcast())
+ return mps_cpu;
+ else
+ return BAD_APICID;
+}
+
+static inline physid_mask_t apicid_to_cpu_present(int phys_apicid)
+{
+ return physid_mask_of_physid(phys_apicid);
+}
+
+static inline int mpc_apic_id(struct mpc_config_processor *m,
+ struct mpc_config_translation *translation_record)
+{
+ printk("Processor #%d %ld:%ld APIC version %d\n",
+ m->mpc_apicid,
+ (m->mpc_cpufeature & CPU_FAMILY_MASK) >> 8,
+ (m->mpc_cpufeature & CPU_MODEL_MASK) >> 4,
+ m->mpc_apicver);
+ return (m->mpc_apicid);
+}
+
+static inline void setup_portio_remap(void)
+{
+}
+
+static inline int check_phys_apicid_present(int boot_cpu_physical_apicid)
+{
+ return physid_isset(boot_cpu_physical_apicid, phys_cpu_present_map);
+}
+
+static inline int apic_id_registered(void)
+{
+ return physid_isset(GET_APIC_ID(apic_read(APIC_ID)), phys_cpu_present_map);
+}
+
+static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask)
+{
+ return cpus_addr(cpumask)[0];
+}
+
+static inline void enable_apic_mode(void)
+{
+}
+
+static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
+{
+ return cpuid_apic >> index_msb;
+}
+
+#endif /* __ASM_MACH_APIC_H */