diff options
Diffstat (limited to 'arch/arm/mach-realview/platsmp.c')
| -rw-r--r-- | arch/arm/mach-realview/platsmp.c | 39 |
1 files changed, 19 insertions, 20 deletions
diff --git a/arch/arm/mach-realview/platsmp.c b/arch/arm/mach-realview/platsmp.c index 23919229e12..98e3052b793 100644 --- a/arch/arm/mach-realview/platsmp.c +++ b/arch/arm/mach-realview/platsmp.c @@ -16,15 +16,14 @@ #include <mach/hardware.h> #include <asm/mach-types.h> #include <asm/smp_scu.h> -#include <asm/unified.h> #include <mach/board-eb.h> #include <mach/board-pb11mp.h> #include <mach/board-pbx.h> -#include "core.h" +#include <plat/platsmp.h> -extern void versatile_secondary_startup(void); +#include "core.h" static void __iomem *scu_base_addr(void) { @@ -43,7 +42,7 @@ static void __iomem *scu_base_addr(void) * Initialise the CPU possible map early - this describes the CPUs * which may be present or become present in the system. */ -void __init smp_init_cpus(void) +static void __init realview_smp_init_cpus(void) { void __iomem *scu_base = scu_base_addr(); unsigned int i, ncores; @@ -51,28 +50,18 @@ void __init smp_init_cpus(void) ncores = scu_base ? scu_get_core_count(scu_base) : 1; /* sanity check */ - if (ncores > NR_CPUS) { - printk(KERN_WARNING - "Realview: no. of cores (%d) greater than configured " - "maximum of %d - clipping\n", - ncores, NR_CPUS); - ncores = NR_CPUS; + if (ncores > nr_cpu_ids) { + pr_warn("SMP: %u cores greater than maximum (%u), clipping\n", + ncores, nr_cpu_ids); + ncores = nr_cpu_ids; } for (i = 0; i < ncores; i++) set_cpu_possible(i, true); } -void __init platform_smp_prepare_cpus(unsigned int max_cpus) +static void __init realview_smp_prepare_cpus(unsigned int max_cpus) { - int i; - - /* - * Initialise the present map, which describes the set of CPUs - * actually populated at the present time. - */ - for (i = 0; i < max_cpus; i++) - set_cpu_present(i, true); scu_enable(scu_base_addr()); @@ -82,6 +71,16 @@ void __init platform_smp_prepare_cpus(unsigned int max_cpus) * until it receives a soft interrupt, and then the * secondary CPU branches to this address. */ - __raw_writel(BSYM(virt_to_phys(versatile_secondary_startup)), + __raw_writel(virt_to_phys(versatile_secondary_startup), __io_address(REALVIEW_SYS_FLAGSSET)); } + +struct smp_operations realview_smp_ops __initdata = { + .smp_init_cpus = realview_smp_init_cpus, + .smp_prepare_cpus = realview_smp_prepare_cpus, + .smp_secondary_init = versatile_secondary_init, + .smp_boot_secondary = versatile_boot_secondary, +#ifdef CONFIG_HOTPLUG_CPU + .cpu_die = realview_cpu_die, +#endif +}; |
