diff options
Diffstat (limited to 'arch/mips/cavium-octeon/smp.c')
| -rw-r--r-- | arch/mips/cavium-octeon/smp.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/arch/mips/cavium-octeon/smp.c b/arch/mips/cavium-octeon/smp.c index 256fe6f65cf2..4355a4cf4d74 100644 --- a/arch/mips/cavium-octeon/smp.c +++ b/arch/mips/cavium-octeon/smp.c @@ -11,7 +11,8 @@ #include <linux/interrupt.h> #include <linux/kernel_stat.h> #include <linux/sched.h> -#include <linux/module.h> +#include <linux/init.h> +#include <linux/export.h> #include <asm/mmu_context.h> #include <asm/time.h> @@ -24,12 +25,17 @@ volatile unsigned long octeon_processor_boot = 0xff; volatile unsigned long octeon_processor_sp; volatile unsigned long octeon_processor_gp; +#ifdef CONFIG_RELOCATABLE +volatile unsigned long octeon_processor_relocated_kernel_entry; +#endif /* CONFIG_RELOCATABLE */ #ifdef CONFIG_HOTPLUG_CPU uint64_t octeon_bootloader_entry_addr; EXPORT_SYMBOL(octeon_bootloader_entry_addr); #endif +extern void kernel_entry(unsigned long arg1, ...); + static void octeon_icache_flush(void) { asm volatile ("synci 0($0)\n"); @@ -180,6 +186,19 @@ static void __init octeon_smp_setup(void) octeon_smp_hotplug_setup(); } + +#ifdef CONFIG_RELOCATABLE +int plat_post_relocation(long offset) +{ + unsigned long entry = (unsigned long)kernel_entry; + + /* Send secondaries into relocated kernel */ + octeon_processor_relocated_kernel_entry = entry + offset; + + return 0; +} +#endif /* CONFIG_RELOCATABLE */ + /** * Firmware CPU startup hook * @@ -272,7 +291,6 @@ static int octeon_cpu_disable(void) set_cpu_online(cpu, false); calculate_cpu_foreign_map(); - cpumask_clear_cpu(cpu, &cpu_callin_map); octeon_fixup_irqs(); __flush_cache_all(); @@ -333,8 +351,6 @@ void play_dead(void) ; } -extern void kernel_entry(unsigned long arg1, ...); - static void start_after_reset(void) { kernel_entry(0, 0, 0); /* set a2 = 0 for secondary core */ |