diff options
Diffstat (limited to 'arch/sh/include/asm')
-rw-r--r-- | arch/sh/include/asm/cache.h | 4 | ||||
-rw-r--r-- | arch/sh/include/asm/clkdev.h | 35 | ||||
-rw-r--r-- | arch/sh/include/asm/clock.h | 161 | ||||
-rw-r--r-- | arch/sh/include/asm/dmaengine.h | 63 | ||||
-rw-r--r-- | arch/sh/include/asm/hw_breakpoint.h | 1 | ||||
-rw-r--r-- | arch/sh/include/asm/hwblk.h | 12 | ||||
-rw-r--r-- | arch/sh/include/asm/io_generic.h | 1 | ||||
-rw-r--r-- | arch/sh/include/asm/irq.h | 19 | ||||
-rw-r--r-- | arch/sh/include/asm/kexec.h | 8 | ||||
-rw-r--r-- | arch/sh/include/asm/machvec.h | 2 | ||||
-rw-r--r-- | arch/sh/include/asm/mmzone.h | 3 | ||||
-rw-r--r-- | arch/sh/include/asm/page.h | 15 | ||||
-rw-r--r-- | arch/sh/include/asm/processor.h | 7 | ||||
-rw-r--r-- | arch/sh/include/asm/processor_32.h | 2 | ||||
-rw-r--r-- | arch/sh/include/asm/setup.h | 1 | ||||
-rw-r--r-- | arch/sh/include/asm/siu.h | 8 | ||||
-rw-r--r-- | arch/sh/include/asm/smp-ops.h | 51 | ||||
-rw-r--r-- | arch/sh/include/asm/smp.h | 40 |
18 files changed, 182 insertions, 251 deletions
diff --git a/arch/sh/include/asm/cache.h b/arch/sh/include/asm/cache.h index 02df18e..e461d67 100644 --- a/arch/sh/include/asm/cache.h +++ b/arch/sh/include/asm/cache.h @@ -38,14 +38,10 @@ struct cache_info { * 2. those in the physical page number. */ unsigned int alias_mask; - unsigned int n_aliases; /* Number of aliases */ unsigned long flags; }; - -int __init detect_cpu_and_cache_system(void); - #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ #endif /* __ASM_SH_CACHE_H */ diff --git a/arch/sh/include/asm/clkdev.h b/arch/sh/include/asm/clkdev.h new file mode 100644 index 0000000..5645f35 --- /dev/null +++ b/arch/sh/include/asm/clkdev.h @@ -0,0 +1,35 @@ +/* + * arch/sh/include/asm/clkdev.h + * + * Cloned from arch/arm/include/asm/clkdev.h: + * + * Copyright (C) 2008 Russell King. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Helper for the clk API to assist looking up a struct clk. + */ +#ifndef __ASM_CLKDEV_H +#define __ASM_CLKDEV_H + +struct clk; + +struct clk_lookup { + struct list_head node; + const char *dev_id; + const char *con_id; + struct clk *clk; +}; + +struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id, + const char *dev_fmt, ...); + +void clkdev_add(struct clk_lookup *cl); +void clkdev_drop(struct clk_lookup *cl); + +void clkdev_add_table(struct clk_lookup *, size_t); +int clk_add_alias(const char *, const char *, char *, struct device *); + +#endif diff --git a/arch/sh/include/asm/clock.h b/arch/sh/include/asm/clock.h index 11da4c5..803d4c7 100644 --- a/arch/sh/include/asm/clock.h +++ b/arch/sh/include/asm/clock.h @@ -1,171 +1,16 @@ #ifndef __ASM_SH_CLOCK_H #define __ASM_SH_CLOCK_H -#include <linux/list.h> -#include <linux/seq_file.h> -#include <linux/cpufreq.h> -#include <linux/clk.h> -#include <linux/err.h> - -struct clk; - -struct clk_ops { - void (*init)(struct clk *clk); - int (*enable)(struct clk *clk); - void (*disable)(struct clk *clk); - unsigned long (*recalc)(struct clk *clk); - int (*set_rate)(struct clk *clk, unsigned long rate, int algo_id); - int (*set_parent)(struct clk *clk, struct clk *parent); - long (*round_rate)(struct clk *clk, unsigned long rate); -}; - -struct clk { - struct list_head node; - const char *name; - int id; - struct module *owner; - - struct clk *parent; - struct clk_ops *ops; - - struct list_head children; - struct list_head sibling; /* node for children */ - - int usecount; - - unsigned long rate; - unsigned long flags; - - void __iomem *enable_reg; - unsigned int enable_bit; - - unsigned long arch_flags; - void *priv; - struct dentry *dentry; - struct cpufreq_frequency_table *freq_table; -}; - -struct clk_lookup { - struct list_head node; - const char *dev_id; - const char *con_id; - struct clk *clk; -}; - -#define CLK_ENABLE_ON_INIT (1 << 0) +#include <linux/sh_clk.h> /* Should be defined by processor-specific code */ void __deprecated arch_init_clk_ops(struct clk_ops **, int type); int __init arch_clk_init(void); -/* arch/sh/kernel/cpu/clock.c */ -int clk_init(void); -unsigned long followparent_recalc(struct clk *); -void recalculate_root_clocks(void); -void propagate_rate(struct clk *); -int clk_reparent(struct clk *child, struct clk *parent); -int clk_register(struct clk *); -void clk_unregister(struct clk *); - /* arch/sh/kernel/cpu/clock-cpg.c */ int __init __deprecated cpg_clk_init(void); -/* the exported API, in addition to clk_set_rate */ -/** - * clk_set_rate_ex - set the clock rate for a clock source, with additional parameter - * @clk: clock source - * @rate: desired clock rate in Hz - * @algo_id: algorithm id to be passed down to ops->set_rate - * - * Returns success (0) or negative errno. - */ -int clk_set_rate_ex(struct clk *clk, unsigned long rate, int algo_id); - -enum clk_sh_algo_id { - NO_CHANGE = 0, - - IUS_N1_N1, - IUS_322, - IUS_522, - IUS_N11, - - SB_N1, - - SB3_N1, - SB3_32, - SB3_43, - SB3_54, - - BP_N1, - - IP_N1, -}; - -struct clk_div_mult_table { - unsigned int *divisors; - unsigned int nr_divisors; - unsigned int *multipliers; - unsigned int nr_multipliers; -}; - -struct cpufreq_frequency_table; -void clk_rate_table_build(struct clk *clk, - struct cpufreq_frequency_table *freq_table, - int nr_freqs, - struct clk_div_mult_table *src_table, - unsigned long *bitmap); - -long clk_rate_table_round(struct clk *clk, - struct cpufreq_frequency_table *freq_table, - unsigned long rate); - -int clk_rate_table_find(struct clk *clk, - struct cpufreq_frequency_table *freq_table, - unsigned long rate); - -#define SH_CLK_MSTP32(_name, _id, _parent, _enable_reg, \ - _enable_bit, _flags) \ -{ \ - .name = _name, \ - .id = _id, \ - .parent = _parent, \ - .enable_reg = (void __iomem *)_enable_reg, \ - .enable_bit = _enable_bit, \ - .flags = _flags, \ -} - -int sh_clk_mstp32_register(struct clk *clks, int nr); - -#define SH_CLK_DIV4(_name, _parent, _reg, _shift, _div_bitmap, _flags) \ -{ \ - .name = _name, \ - .parent = _parent, \ - .enable_reg = (void __iomem *)_reg, \ - .enable_bit = _shift, \ - .arch_flags = _div_bitmap, \ - .flags = _flags, \ -} - -struct clk_div4_table { - struct clk_div_mult_table *div_mult_table; - void (*kick)(struct clk *clk); -}; - -int sh_clk_div4_register(struct clk *clks, int nr, - struct clk_div4_table *table); -int sh_clk_div4_enable_register(struct clk *clks, int nr, - struct clk_div4_table *table); -int sh_clk_div4_reparent_register(struct clk *clks, int nr, - struct clk_div4_table *table); - -#define SH_CLK_DIV6(_name, _parent, _reg, _flags) \ -{ \ - .name = _name, \ - .parent = _parent, \ - .enable_reg = (void __iomem *)_reg, \ - .flags = _flags, \ -} - -int sh_clk_div6_register(struct clk *clks, int nr); +/* arch/sh/kernel/cpu/clock.c */ +int clk_init(void); #endif /* __ASM_SH_CLOCK_H */ diff --git a/arch/sh/include/asm/dmaengine.h b/arch/sh/include/asm/dmaengine.h index bf2f30cf..2a02b61 100644 --- a/arch/sh/include/asm/dmaengine.h +++ b/arch/sh/include/asm/dmaengine.h @@ -10,14 +10,9 @@ #ifndef ASM_DMAENGINE_H #define ASM_DMAENGINE_H -#include <linux/dmaengine.h> -#include <linux/list.h> +#include <linux/sh_dma.h> -#include <asm/dma-register.h> - -#define SH_DMAC_MAX_CHANNELS 6 - -enum sh_dmae_slave_chan_id { +enum { SHDMA_SLAVE_SCIF0_TX, SHDMA_SLAVE_SCIF0_RX, SHDMA_SLAVE_SCIF1_TX, @@ -34,60 +29,6 @@ enum sh_dmae_slave_chan_id { SHDMA_SLAVE_SIUA_RX, SHDMA_SLAVE_SIUB_TX, SHDMA_SLAVE_SIUB_RX, - SHDMA_SLAVE_NUMBER, /* Must stay last */ -}; - -struct sh_dmae_slave_config { - enum sh_dmae_slave_chan_id slave_id; - dma_addr_t addr; - u32 chcr; - char mid_rid; -}; - -struct sh_dmae_channel { - unsigned int offset; - unsigned int dmars; - unsigned int dmars_bit; -}; - -struct sh_dmae_pdata { - struct sh_dmae_slave_config *slave; - int slave_num; - struct sh_dmae_channel *channel; - int channel_num; - unsigned int ts_low_shift; - unsigned int ts_low_mask; - unsigned int ts_high_shift; - unsigned int ts_high_mask; - unsigned int *ts_shift; - int ts_shift_num; - u16 dmaor_init; -}; - -struct device; - -/* Used by slave DMA clients to request DMA to/from a specific peripheral */ -struct sh_dmae_slave { - enum sh_dmae_slave_chan_id slave_id; /* Set by the platform */ - struct device *dma_dev; /* Set by the platform */ - struct sh_dmae_slave_config *config; /* Set by the driver */ -}; - -struct sh_dmae_regs { - u32 sar; /* SAR / source address */ - u32 dar; /* DAR / destination address */ - u32 tcr; /* TCR / transfer count */ -}; - -struct sh_desc { - struct sh_dmae_regs hw; - struct list_head node; - struct dma_async_tx_descriptor async_tx; - enum dma_data_direction direction; - dma_cookie_t cookie; - size_t partial; - int chunks; - int mark; }; #endif diff --git a/arch/sh/include/asm/hw_breakpoint.h b/arch/sh/include/asm/hw_breakpoint.h index e14cad9..89890f6 100644 --- a/arch/sh/include/asm/hw_breakpoint.h +++ b/arch/sh/include/asm/hw_breakpoint.h @@ -60,7 +60,6 @@ extern int hw_breakpoint_exceptions_notify(struct notifier_block *unused, int arch_install_hw_breakpoint(struct perf_event *bp); void arch_uninstall_hw_breakpoint(struct perf_event *bp); void hw_breakpoint_pmu_read(struct perf_event *bp); -void hw_breakpoint_pmu_unthrottle(struct perf_event *bp); extern void arch_fill_perf_breakpoint(struct perf_event *bp); extern int register_sh_ubc(struct sh_ubc *); diff --git a/arch/sh/include/asm/hwblk.h b/arch/sh/include/asm/hwblk.h index 5d3ccae..855e945 100644 --- a/arch/sh/include/asm/hwblk.h +++ b/arch/sh/include/asm/hwblk.h @@ -58,13 +58,11 @@ void hwblk_cnt_inc(struct hwblk_info *info, int hwblk, int cnt); void hwblk_cnt_dec(struct hwblk_info *info, int hwblk, int cnt); /* allow clocks to enable and disable hardware blocks */ -#define SH_HWBLK_CLK(_name, _id, _parent, _hwblk, _flags) \ -{ \ - .name = _name, \ - .id = _id, \ - .parent = _parent, \ - .arch_flags = _hwblk, \ - .flags = _flags, \ +#define SH_HWBLK_CLK(_hwblk, _parent, _flags) \ +[_hwblk] = { \ + .parent = _parent, \ + .arch_flags = _hwblk, \ + .flags = _flags, \ } int sh_hwblk_clk_register(struct clk *clks, int nr); diff --git a/arch/sh/include/asm/io_generic.h b/arch/sh/include/asm/io_generic.h index 1e5d375..491df93 100644 --- a/arch/sh/include/asm/io_generic.h +++ b/arch/sh/include/asm/io_generic.h @@ -38,5 +38,6 @@ void IO_CONCAT(__IO_PREFIX,iounmap)(void *addr); void __iomem *IO_CONCAT(__IO_PREFIX,ioport_map)(unsigned long addr, unsigned int size); void IO_CONCAT(__IO_PREFIX,ioport_unmap)(void __iomem *addr); +void IO_CONCAT(__IO_PREFIX,mem_init)(void); #undef __IO_PREFIX diff --git a/arch/sh/include/asm/irq.h b/arch/sh/include/asm/irq.h index df8e150..02c2f01 100644 --- a/arch/sh/include/asm/irq.h +++ b/arch/sh/include/asm/irq.h @@ -1,6 +1,7 @@ #ifndef __ASM_SH_IRQ_H #define __ASM_SH_IRQ_H +#include <linux/cpumask.h> #include <asm/machvec.h> /* @@ -12,6 +13,14 @@ #define NR_IRQS_LEGACY 8 /* Legacy external IRQ0-7 */ /* + * This is a special IRQ number for indicating that no IRQ has been + * triggered and to simply ignore the IRQ dispatch. This is a special + * case that can happen with IRQ auto-distribution when multiple CPUs + * are woken up and signalled in parallel. + */ +#define NO_IRQ_IGNORE ((unsigned int)-1) + +/* * Convert back and forth between INTEVT and IRQ values. */ #ifdef CONFIG_CPU_HAS_INTEVT @@ -42,6 +51,8 @@ static inline int generic_irq_demux(int irq) #define irq_demux(irq) sh_mv.mv_irq_demux(irq) void init_IRQ(void); +void migrate_irqs(void); + asmlinkage int do_IRQ(unsigned int irq, struct pt_regs *regs); #ifdef CONFIG_IRQSTACKS @@ -53,6 +64,14 @@ extern void irq_ctx_exit(int cpu); # define irq_ctx_exit(cpu) do { } while (0) #endif +#ifdef CONFIG_INTC_BALANCING +extern unsigned int irq_lookup(unsigned int irq); +extern void irq_finish(unsigned int irq); +#else +#define irq_lookup(irq) (irq) +#define irq_finish(irq) do { } while (0) +#endif + #include <asm-generic/irq.h> #ifdef CONFIG_CPU_SH5 #include <cpu/irq.h> diff --git a/arch/sh/include/asm/kexec.h b/arch/sh/include/asm/kexec.h index 765a5e1..ad6ef8a 100644 --- a/arch/sh/include/asm/kexec.h +++ b/arch/sh/include/asm/kexec.h @@ -26,6 +26,10 @@ /* The native architecture */ #define KEXEC_ARCH KEXEC_ARCH_SH +#ifdef CONFIG_KEXEC +/* arch/sh/kernel/machine_kexec.c */ +void reserve_crashkernel(void); + static inline void crash_setup_regs(struct pt_regs *newregs, struct pt_regs *oldregs) { @@ -59,4 +63,8 @@ static inline void crash_setup_regs(struct pt_regs *newregs, newregs->pc = (unsigned long)current_text_addr(); } } +#else +static inline void reserve_crashkernel(void) { } +#endif /* CONFIG_KEXEC */ + #endif /* __ASM_SH_KEXEC_H */ diff --git a/arch/sh/include/asm/machvec.h b/arch/sh/include/asm/machvec.h index 9c30955..bc0218c 100644 --- a/arch/sh/include/asm/machvec.h +++ b/arch/sh/include/asm/machvec.h @@ -49,6 +49,8 @@ struct sh_machine_vector { int (*mv_clk_init)(void); int (*mv_mode_pins)(void); + + void (*mv_mem_init)(void); }; extern struct sh_machine_vector sh_mv; diff --git a/arch/sh/include/asm/mmzone.h b/arch/sh/include/asm/mmzone.h index 7f5363b..8887baf 100644 --- a/arch/sh/include/asm/mmzone.h +++ b/arch/sh/include/asm/mmzone.h @@ -42,9 +42,10 @@ setup_bootmem_node(int nid, unsigned long start, unsigned long end) void __init plat_mem_setup(void); /* arch/sh/kernel/setup.c */ -void __init setup_bootmem_allocator(unsigned long start_pfn); void __init __add_active_range(unsigned int nid, unsigned long start_pfn, unsigned long end_pfn); +/* arch/sh/mm/init.c */ +void __init allocate_pgdat(unsigned int nid); #endif /* __KERNEL__ */ #endif /* __ASM_SH_MMZONE_H */ diff --git a/arch/sh/include/asm/page.h b/arch/sh/include/asm/page.h index d71feb3..fb703d1 100644 --- a/arch/sh/include/asm/page.h +++ b/arch/sh/include/asm/page.h @@ -49,7 +49,7 @@ extern unsigned long shm_align_mask; extern unsigned long max_low_pfn, min_low_pfn; -extern unsigned long memory_start, memory_end; +extern unsigned long memory_start, memory_end, memory_limit; static inline unsigned long pages_do_alias(unsigned long addr1, unsigned long addr2) @@ -128,13 +128,18 @@ typedef struct page *pgtable_t; * added or subtracted as required. */ #ifdef CONFIG_PMB -#define __pa(x) ((unsigned long)(x)-PAGE_OFFSET+__MEMORY_START) -#define __va(x) ((void *)((unsigned long)(x)+PAGE_OFFSET-__MEMORY_START)) +#define ___pa(x) ((x)-PAGE_OFFSET+__MEMORY_START) +#define ___va(x) ((x)+PAGE_OFFSET-__MEMORY_START) #else -#define __pa(x) ((unsigned long)(x)-PAGE_OFFSET) -#define __va(x) ((void *)((unsigned long)(x)+PAGE_OFFSET)) +#define ___pa(x) ((x)-PAGE_OFFSET) +#define ___va(x) ((x)+PAGE_OFFSET) #endif +#ifndef __ASSEMBLY__ +#define __pa(x) ___pa((unsigned long)x) +#define __va(x) (void *)___va((unsigned long)x) +#endif /* !__ASSEMBLY__ */ + #ifdef CONFIG_UNCACHED_MAPPING #define UNCAC_ADDR(addr) ((addr) - PAGE_OFFSET + uncached_start) #define CAC_ADDR(addr) ((addr) - uncached_start + PAGE_OFFSET) diff --git a/arch/sh/include/asm/processor.h b/arch/sh/include/asm/processor.h index 9605e062..0a58cb2 100644 --- a/arch/sh/include/asm/processor.h +++ b/arch/sh/include/asm/processor.h @@ -85,6 +85,10 @@ struct sh_cpuinfo { struct tlb_info itlb; struct tlb_info dtlb; +#ifdef CONFIG_SMP + struct task_struct *idle; +#endif + unsigned long flags; } __attribute__ ((aligned(L1_CACHE_BYTES))); @@ -102,6 +106,9 @@ struct task_struct; extern struct pt_regs fake_swapper_regs; +extern void cpu_init(void); +extern void cpu_probe(void); + /* arch/sh/kernel/process.c */ extern unsigned int xstate_size; extern void free_thread_xstate(struct task_struct *); diff --git a/arch/sh/include/asm/processor_32.h b/arch/sh/include/asm/processor_32.h index 572b4eb..61a445d 100644 --- a/arch/sh/include/asm/processor_32.h +++ b/arch/sh/include/asm/processor_32.h @@ -27,8 +27,6 @@ #define CCN_CVR 0xff000040 #define CCN_PRR 0xff000044 -asmlinkage void __init sh_cpu_init(void); - /* * User space process size: 2GB. * diff --git a/arch/sh/include/asm/setup.h b/arch/sh/include/asm/setup.h index 4758325..01fa17a 100644 --- a/arch/sh/include/asm/setup.h +++ b/arch/sh/include/asm/setup.h @@ -19,6 +19,7 @@ #define COMMAND_LINE ((char *) (PARAM+0x100)) void sh_mv_setup(void); +void check_for_initrd(void); #endif /* __KERNEL__ */ diff --git a/arch/sh/include/asm/siu.h b/arch/sh/include/asm/siu.h index f1b1e69..e8d4142 100644 --- a/arch/sh/include/asm/siu.h +++ b/arch/sh/include/asm/siu.h @@ -17,10 +17,10 @@ struct device; struct siu_platform { struct device *dma_dev; - enum sh_dmae_slave_chan_id dma_slave_tx_a; - enum sh_dmae_slave_chan_id dma_slave_rx_a; - enum sh_dmae_slave_chan_id dma_slave_tx_b; - enum sh_dmae_slave_chan_id dma_slave_rx_b; + unsigned int dma_slave_tx_a; + unsigned int dma_slave_rx_a; + unsigned int dma_slave_tx_b; + unsigned int dma_slave_rx_b; }; #endif /* ASM_SIU_H */ diff --git a/arch/sh/include/asm/smp-ops.h b/arch/sh/include/asm/smp-ops.h new file mode 100644 index 0000000..c590f76 --- /dev/null +++ b/arch/sh/include/asm/smp-ops.h @@ -0,0 +1,51 @@ +#ifndef __ASM_SH_SMP_OPS_H +#define __ASM_SH_SMP_OPS_H + +struct plat_smp_ops { + void (*smp_setup)(void); + unsigned int (*smp_processor_id)(void); + void (*prepare_cpus)(unsigned int max_cpus); + void (*start_cpu)(unsigned int cpu, unsigned long entry_point); + void (*send_ipi)(unsigned int cpu, unsigned int message); + int (*cpu_disable)(unsigned int cpu); + void (*cpu_die)(unsigned int cpu); + void (*play_dead)(void); +}; + +extern struct plat_smp_ops *mp_ops; +extern struct plat_smp_ops shx3_smp_ops; + +#ifdef CONFIG_SMP + +static inline void plat_smp_setup(void) +{ + BUG_ON(!mp_ops); + mp_ops->smp_setup(); +} + +static inline void play_dead(void) +{ + mp_ops->play_dead(); +} + +extern void register_smp_ops(struct plat_smp_ops *ops); + +#else + +static inline void plat_smp_setup(void) +{ + /* UP, nothing to do ... */ +} + +static inline void register_smp_ops(struct plat_smp_ops *ops) +{ +} + +static inline void play_dead(void) +{ + BUG(); +} + +#endif /* CONFIG_SMP */ + +#endif /* __ASM_SH_SMP_OPS_H */ diff --git a/arch/sh/include/asm/smp.h b/arch/sh/include/asm/smp.h index 53ef26c..9070d94 100644 --- a/arch/sh/include/asm/smp.h +++ b/arch/sh/include/asm/smp.h @@ -3,15 +3,16 @@ #include <linux/bitops.h> #include <linux/cpumask.h> +#include <asm/smp-ops.h> #ifdef CONFIG_SMP #include <linux/spinlock.h> #include <asm/atomic.h> #include <asm/current.h> +#include <asm/percpu.h> #define raw_smp_processor_id() (current_thread_info()->cpu) -#define hard_smp_processor_id() plat_smp_processor_id() /* Map from cpu id to sequential logical cpu number. */ extern int __cpu_number_map[NR_CPUS]; @@ -30,20 +31,43 @@ enum { SMP_MSG_NR, /* must be last */ }; +DECLARE_PER_CPU(int, cpu_state); + void smp_message_recv(unsigned int msg); void smp_timer_broadcast(const struct cpumask *mask); void local_timer_interrupt(void); void local_timer_setup(unsigned int cpu); - -void plat_smp_setup(void); -void plat_prepare_cpus(unsigned int max_cpus); -int plat_smp_processor_id(void); -void plat_start_cpu(unsigned int cpu, unsigned long entry_point); -void plat_send_ipi(unsigned int cpu, unsigned int message); +void local_timer_stop(unsigned int cpu); void arch_send_call_function_single_ipi(int cpu); -extern void arch_send_call_function_ipi_mask(const struct cpumask *mask); +void arch_send_call_function_ipi_mask(const struct cpumask *mask); + +void native_play_dead(void); +void native_cpu_die(unsigned int cpu); +int native_cpu_disable(unsigned int cpu); + +#ifdef CONFIG_HOTPLUG_CPU +void play_dead_common(void); +extern int __cpu_disable(void); + +static inline void __cpu_die(unsigned int cpu) +{ + extern struct plat_smp_ops *mp_ops; /* private */ + + mp_ops->cpu_die(cpu); +} +#endif + +static inline int hard_smp_processor_id(void) +{ + extern struct plat_smp_ops *mp_ops; /* private */ + + if (!mp_ops) + return 0; /* boot CPU */ + + return mp_ops->smp_processor_id(); +} #else |