Merge branch 'linus' into perfcounters/core

[platform/adaptation/renesas_rcar/renesas_kernel.git] / arch / x86 / kernel / es7000_32.c

diff --git a/arch/x86/kernel/es7000_32.c b/arch/x86/kernel/es7000_32.c
index 0aa2c44..53699c9 100644 (file)
--- a/arch/x86/kernel/es7000_32.c
+++ b/arch/x86/kernel/es7000_32.c
@@ -38,8 +38,11 @@
 #include <asm/io.h>
 #include <asm/nmi.h>
 #include <asm/smp.h>
+#include <asm/atomic.h>
 #include <asm/apicdef.h>
 #include <mach_mpparse.h>
+#include <asm/genapic.h>
+#include <asm/setup.h>
 
 /*
  * ES7000 chipsets
@@ -161,6 +164,43 @@ es7000_rename_gsi(int ioapic, int gsi)
        return gsi;
 }
 
+static int wakeup_secondary_cpu_via_mip(int cpu, unsigned long eip)
+{
+       unsigned long vect = 0, psaival = 0;
+
+       if (psai == NULL)
+               return -1;
+
+       vect = ((unsigned long)__pa(eip)/0x1000) << 16;
+       psaival = (0x1000000 | vect | cpu);
+
+       while (*psai & 0x1000000)
+               ;
+
+       *psai = psaival;
+
+       return 0;
+}
+
+static void noop_wait_for_deassert(atomic_t *deassert_not_used)
+{
+}
+
+static int __init es7000_update_genapic(void)
+{
+       genapic->wakeup_cpu = wakeup_secondary_cpu_via_mip;
+
+       /* MPENTIUMIII */
+       if (boot_cpu_data.x86 == 6 &&
+           (boot_cpu_data.x86_model >= 7 || boot_cpu_data.x86_model <= 11)) {
+               es7000_update_genapic_to_cluster();
+               genapic->wait_for_init_deassert = noop_wait_for_deassert;
+               genapic->wakeup_cpu = wakeup_secondary_cpu_via_mip;
+       }
+
+       return 0;
+}
+
 void __init
 setup_unisys(void)
 {
@@ -176,6 +216,8 @@ setup_unisys(void)
        else
                es7000_plat = ES7000_CLASSIC;
        ioapic_renumber_irq = es7000_rename_gsi;
+
+       x86_quirks->update_genapic = es7000_update_genapic;
 }
 
 /*
@@ -317,26 +359,6 @@ es7000_mip_write(struct mip_reg *mip_reg)
        return status;
 }
 
-int
-es7000_start_cpu(int cpu, unsigned long eip)
-{
-       unsigned long vect = 0, psaival = 0;
-
-       if (psai == NULL)
-               return -1;
-
-       vect = ((unsigned long)__pa(eip)/0x1000) << 16;
-       psaival = (0x1000000 | vect | cpu);
-
-       while (*psai & 0x1000000)
-                ;
-
-       *psai = psaival;
-
-       return 0;
-
-}
-
 void __init
 es7000_sw_apic(void)
 {