diff options
Diffstat (limited to 'arch/arm/mach-tegra')
-rw-r--r-- | arch/arm/mach-tegra/board-dt-tegra20.c | 2 | ||||
-rw-r--r-- | arch/arm/mach-tegra/board-dt-tegra30.c | 2 | ||||
-rw-r--r-- | arch/arm/mach-tegra/common.c | 1 | ||||
-rw-r--r-- | arch/arm/mach-tegra/common.h | 4 | ||||
-rw-r--r-- | arch/arm/mach-tegra/hotplug.c | 9 | ||||
-rw-r--r-- | arch/arm/mach-tegra/platsmp.c | 21 |
6 files changed, 28 insertions, 11 deletions
diff --git a/arch/arm/mach-tegra/board-dt-tegra20.c b/arch/arm/mach-tegra/board-dt-tegra20.c index 5957ffbd4af..5d8c8fb060b 100644 --- a/arch/arm/mach-tegra/board-dt-tegra20.c +++ b/arch/arm/mach-tegra/board-dt-tegra20.c @@ -44,6 +44,7 @@ #include "board.h" #include "clock.h" #include "devices.h" +#include "common.h" struct of_dev_auxdata tegra20_auxdata_lookup[] __initdata = { OF_DEV_AUXDATA("nvidia,tegra20-sdhci", TEGRA_SDMMC1_BASE, "sdhci-tegra.0", NULL), @@ -152,6 +153,7 @@ static const char *tegra20_dt_board_compat[] = { DT_MACHINE_START(TEGRA_DT, "nVidia Tegra20 (Flattened Device Tree)") .map_io = tegra_map_common_io, + .smp = smp_ops(tegra_smp_ops), .init_early = tegra20_init_early, .init_irq = tegra_dt_init_irq, .handle_irq = gic_handle_irq, diff --git a/arch/arm/mach-tegra/board-dt-tegra30.c b/arch/arm/mach-tegra/board-dt-tegra30.c index 53bf60f1158..e4a676d4ddf 100644 --- a/arch/arm/mach-tegra/board-dt-tegra30.c +++ b/arch/arm/mach-tegra/board-dt-tegra30.c @@ -37,6 +37,7 @@ #include "board.h" #include "clock.h" +#include "common.h" struct of_dev_auxdata tegra30_auxdata_lookup[] __initdata = { OF_DEV_AUXDATA("nvidia,tegra20-sdhci", 0x78000000, "sdhci-tegra.0", NULL), @@ -83,6 +84,7 @@ static const char *tegra30_dt_board_compat[] = { }; DT_MACHINE_START(TEGRA30_DT, "NVIDIA Tegra30 (Flattened Device Tree)") + .smp = smp_ops(tegra_smp_ops), .map_io = tegra_map_common_io, .init_early = tegra30_init_early, .init_irq = tegra_dt_init_irq, diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c index 0560538bf59..0b0a5f556d3 100644 --- a/arch/arm/mach-tegra/common.c +++ b/arch/arm/mach-tegra/common.c @@ -31,6 +31,7 @@ #include "board.h" #include "clock.h" +#include "common.h" #include "fuse.h" #include "pmc.h" #include "apbio.h" diff --git a/arch/arm/mach-tegra/common.h b/arch/arm/mach-tegra/common.h new file mode 100644 index 00000000000..02f71b4f1e5 --- /dev/null +++ b/arch/arm/mach-tegra/common.h @@ -0,0 +1,4 @@ +extern struct smp_operations tegra_smp_ops; + +extern void tegra_cpu_die(unsigned int cpu); +extern int tegra_cpu_disable(unsigned int cpu); diff --git a/arch/arm/mach-tegra/hotplug.c b/arch/arm/mach-tegra/hotplug.c index d02a3547613..dca5141a2c3 100644 --- a/arch/arm/mach-tegra/hotplug.c +++ b/arch/arm/mach-tegra/hotplug.c @@ -19,17 +19,12 @@ static void (*tegra_hotplug_shutdown)(void); -int platform_cpu_kill(unsigned int cpu) -{ - return 1; -} - /* * platform-specific code to shutdown a CPU * * Called with IRQs disabled */ -void platform_cpu_die(unsigned int cpu) +void __ref tegra_cpu_die(unsigned int cpu) { cpu = cpu_logical_map(cpu); @@ -47,7 +42,7 @@ void platform_cpu_die(unsigned int cpu) BUG(); } -int platform_cpu_disable(unsigned int cpu) +int tegra_cpu_disable(unsigned int cpu) { /* * we don't allow CPU 0 to be shutdown (it is still too special diff --git a/arch/arm/mach-tegra/platsmp.c b/arch/arm/mach-tegra/platsmp.c index 96ed1718eef..81cb26591ac 100644 --- a/arch/arm/mach-tegra/platsmp.c +++ b/arch/arm/mach-tegra/platsmp.c @@ -33,6 +33,8 @@ #include "reset.h" #include "tegra_cpu_car.h" +#include "common.h" + extern void tegra_secondary_startup(void); static void __iomem *scu_base = IO_ADDRESS(TEGRA_ARM_PERIF_BASE); @@ -40,7 +42,7 @@ static void __iomem *scu_base = IO_ADDRESS(TEGRA_ARM_PERIF_BASE); #define EVP_CPU_RESET_VECTOR \ (IO_ADDRESS(TEGRA_EXCEPTION_VECTORS_BASE) + 0x100) -void __cpuinit platform_secondary_init(unsigned int cpu) +static void __cpuinit tegra_secondary_init(unsigned int cpu) { /* * if any interrupts are already enabled for the primary @@ -100,7 +102,7 @@ static int tegra30_power_up_cpu(unsigned int cpu) return 0; } -int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle) +static int __cpuinit tegra_boot_secondary(unsigned int cpu, struct task_struct *idle) { int status; @@ -146,7 +148,7 @@ done: * 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 tegra_smp_init_cpus(void) { unsigned int i, ncores = scu_get_core_count(scu_base); @@ -162,8 +164,19 @@ void __init smp_init_cpus(void) set_smp_cross_call(gic_raise_softirq); } -void __init platform_smp_prepare_cpus(unsigned int max_cpus) +static void __init tegra_smp_prepare_cpus(unsigned int max_cpus) { tegra_cpu_reset_handler_init(); scu_enable(scu_base); } + +struct smp_operations tegra_smp_ops __initdata = { + .smp_init_cpus = tegra_smp_init_cpus, + .smp_prepare_cpus = tegra_smp_prepare_cpus, + .smp_secondary_init = tegra_secondary_init, + .smp_boot_secondary = tegra_boot_secondary, +#ifdef CONFIG_HOTPLUG_CPU + .cpu_die = tegra_cpu_die, + .cpu_disable = tegra_cpu_disable, +#endif +}; |