1 files changed, 167 insertions, 0 deletions

diff --git a/include/asm-i386/mach-bigsmp/mach_apic.h b/include/asm-i386/mach-bigsmp/mach_apic.h
new file mode 100644
index 000000000000..2339868270ef
--- /dev/null
+++ b/include/asm-i386/mach-bigsmp/mach_apic.h
@@ -0,0 +1,167 @@
+#ifndef __ASM_MACH_APIC_H
+#define __ASM_MACH_APIC_H
+#include <asm/smp.h>
+
+#define SEQUENTIAL_APICID
+#ifdef SEQUENTIAL_APICID
+#define xapic_phys_to_log_apicid(phys_apic) ( (1ul << ((phys_apic) & 0x3)) |\
+                ((phys_apic<<2) & (~0xf)) )
+#elif CLUSTERED_APICID
+#define xapic_phys_to_log_apicid(phys_apic) ( (1ul << ((phys_apic) & 0x3)) |\
+                ((phys_apic) & (~0xf)) )
+#endif
+
+#define NO_BALANCE_IRQ (1)
+#define esr_disable (1)
+
+#define NO_IOAPIC_CHECK (0)
+
+static inline int apic_id_registered(void)
+{
+        return (1);
+}
+
+#define APIC_DFR_VALUE  (APIC_DFR_CLUSTER)
+/* Round robin the irqs amoung the online cpus */
+static inline cpumask_t target_cpus(void)
+{ 
+        static unsigned long cpu = NR_CPUS;
+        do {
+                if (cpu >= NR_CPUS)
+                        cpu = first_cpu(cpu_online_map);
+                else
+                        cpu = next_cpu(cpu, cpu_online_map);
+        } while (cpu >= NR_CPUS);
+        return cpumask_of_cpu(cpu);
+}
+#define TARGET_CPUS     (target_cpus())
+
+#define INT_DELIVERY_MODE dest_Fixed
+#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 0;
+}
+
+/* we don't use the phys_cpu_present_map to indicate apicid presence */
+static inline unsigned long check_apicid_present(int bit) 
+{
+        return 1;
+}
+
+#define apicid_cluster(apicid) (apicid & 0xF0)
+
+static inline unsigned long calculate_ldr(unsigned long old)
+{
+        unsigned long id;
+        id = xapic_phys_to_log_apicid(hard_smp_processor_id());
+        return ((old & ~APIC_LDR_MASK) | SET_APIC_LOGICAL_ID(id));
+}
+
+/*
+ * 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 = calculate_ldr(val);
+        apic_write_around(APIC_LDR, val);
+}
+
+static inline void clustered_apic_check(void)
+{
+        printk("Enabling APIC mode:  %s.  Using %d I/O APICs\n",
+                "Cluster", 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;
+}
+
+extern u8 bios_cpu_apicid[];
+
+static inline int cpu_present_to_apicid(int mps_cpu)
+{
+        if (mps_cpu < NR_CPUS)
+                return (int)bios_cpu_apicid[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);
+}
+
+extern u8 cpu_2_logical_apicid[];
+/* Mapping from cpu number to logical apicid */
+static inline int cpu_to_logical_apicid(int cpu)
+{
+       if (cpu >= NR_CPUS)
+               return BAD_APICID;
+       return (int)cpu_2_logical_apicid[cpu];
+ }
+
+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 physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map)
+{
+        /* For clustered we don't have a good way to do this yet - hack */
+        return physids_promote(0xFUL);
+}
+
+#define WAKE_SECONDARY_VIA_INIT
+
+static inline void setup_portio_remap(void)
+{
+}
+
+static inline void enable_apic_mode(void)
+{
+}
+
+static inline int check_phys_apicid_present(int boot_cpu_physical_apicid)
+{
+        return (1);
+}
+
+/* As we are using single CPU as destination, pick only one CPU here */
+static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask)
+{
+        int cpu;
+        int apicid;     
+
+        cpu = first_cpu(cpumask);
+        apicid = cpu_to_logical_apicid(cpu);
+        return apicid;
+}
+
+static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
+{
+        return cpuid_apic >> index_msb;
+}
+
+#endif /* __ASM_MACH_APIC_H */