diff options
Diffstat (limited to 'arch/x86/kernel/es7000_32.c')
| -rw-r--r-- | arch/x86/kernel/es7000_32.c | 44 |
1 files changed, 24 insertions, 20 deletions
diff --git a/arch/x86/kernel/es7000_32.c b/arch/x86/kernel/es7000_32.c index f454c78fcef6..bed10dddf099 100644 --- a/arch/x86/kernel/es7000_32.c +++ b/arch/x86/kernel/es7000_32.c @@ -40,6 +40,7 @@ #include <asm/smp.h> #include <asm/apicdef.h> #include <mach_mpparse.h> +#include <asm/setup.h> /* * ES7000 chipsets @@ -161,6 +162,26 @@ es7000_rename_gsi(int ioapic, int gsi) return gsi; } +#ifdef CONFIG_ES7000_CLUSTERED_APIC +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; +} +#endif + void __init setup_unisys(void) { @@ -176,6 +197,9 @@ setup_unisys(void) else es7000_plat = ES7000_CLASSIC; ioapic_renumber_irq = es7000_rename_gsi; +#ifdef CONFIG_ES7000_CLUSTERED_APIC + x86_quirks->wakeup_secondary_cpu = wakeup_secondary_cpu_via_mip; +#endif } /* @@ -324,26 +348,6 @@ 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) { |