diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-mips/sibyte/sb1250.h | 2 | ||||
| -rw-r--r-- | include/asm-mips/smp-ops.h | 56 | ||||
| -rw-r--r-- | include/asm-mips/smp.h | 61 |
3 files changed, 61 insertions, 58 deletions
diff --git a/include/asm-mips/sibyte/sb1250.h b/include/asm-mips/sibyte/sb1250.h index 0dad844a3b5b..80c1a052662a 100644 --- a/include/asm-mips/sibyte/sb1250.h +++ b/include/asm-mips/sibyte/sb1250.h | |||
| @@ -48,12 +48,10 @@ extern unsigned int zbbus_mhz; | |||
| 48 | extern void sb1250_time_init(void); | 48 | extern void sb1250_time_init(void); |
| 49 | extern void sb1250_mask_irq(int cpu, int irq); | 49 | extern void sb1250_mask_irq(int cpu, int irq); |
| 50 | extern void sb1250_unmask_irq(int cpu, int irq); | 50 | extern void sb1250_unmask_irq(int cpu, int irq); |
| 51 | extern void sb1250_smp_finish(void); | ||
| 52 | 51 | ||
| 53 | extern void bcm1480_time_init(void); | 52 | extern void bcm1480_time_init(void); |
| 54 | extern void bcm1480_mask_irq(int cpu, int irq); | 53 | extern void bcm1480_mask_irq(int cpu, int irq); |
| 55 | extern void bcm1480_unmask_irq(int cpu, int irq); | 54 | extern void bcm1480_unmask_irq(int cpu, int irq); |
| 56 | extern void bcm1480_smp_finish(void); | ||
| 57 | 55 | ||
| 58 | #define AT_spin \ | 56 | #define AT_spin \ |
| 59 | __asm__ __volatile__ ( \ | 57 | __asm__ __volatile__ ( \ |
diff --git a/include/asm-mips/smp-ops.h b/include/asm-mips/smp-ops.h new file mode 100644 index 000000000000..b17fdfb5d818 --- /dev/null +++ b/include/asm-mips/smp-ops.h | |||
| @@ -0,0 +1,56 @@ | |||
| 1 | /* | ||
| 2 | * This file is subject to the terms and conditions of the GNU General | ||
| 3 | * Public License. See the file "COPYING" in the main directory of this | ||
| 4 | * archive for more details. | ||
| 5 | * | ||
| 6 | * Copyright (C) 2000 - 2001 by Kanoj Sarcar (kanoj@sgi.com) | ||
| 7 | * Copyright (C) 2000 - 2001 by Silicon Graphics, Inc. | ||
| 8 | * Copyright (C) 2000, 2001, 2002 Ralf Baechle | ||
| 9 | * Copyright (C) 2000, 2001 Broadcom Corporation | ||
| 10 | */ | ||
| 11 | #ifndef __ASM_SMP_OPS_H | ||
| 12 | #define __ASM_SMP_OPS_H | ||
| 13 | |||
| 14 | #ifdef CONFIG_SMP | ||
| 15 | |||
| 16 | #include <linux/cpumask.h> | ||
| 17 | |||
| 18 | struct plat_smp_ops { | ||
| 19 | void (*send_ipi_single)(int cpu, unsigned int action); | ||
| 20 | void (*send_ipi_mask)(cpumask_t mask, unsigned int action); | ||
| 21 | void (*init_secondary)(void); | ||
| 22 | void (*smp_finish)(void); | ||
| 23 | void (*cpus_done)(void); | ||
| 24 | void (*boot_secondary)(int cpu, struct task_struct *idle); | ||
| 25 | void (*smp_setup)(void); | ||
| 26 | void (*prepare_cpus)(unsigned int max_cpus); | ||
| 27 | }; | ||
| 28 | |||
| 29 | extern void register_smp_ops(struct plat_smp_ops *ops); | ||
| 30 | |||
| 31 | static inline void plat_smp_setup(void) | ||
| 32 | { | ||
| 33 | extern struct plat_smp_ops *mp_ops; /* private */ | ||
| 34 | |||
| 35 | mp_ops->smp_setup(); | ||
| 36 | } | ||
| 37 | |||
| 38 | #else /* !CONFIG_SMP */ | ||
| 39 | |||
| 40 | struct plat_smp_ops; | ||
| 41 | |||
| 42 | static inline void plat_smp_setup(void) | ||
| 43 | { | ||
| 44 | /* UP, nothing to do ... */ | ||
| 45 | } | ||
| 46 | |||
| 47 | static inline void register_smp_ops(struct plat_smp_ops *ops) | ||
| 48 | { | ||
| 49 | } | ||
| 50 | |||
| 51 | #endif /* !CONFIG_SMP */ | ||
| 52 | |||
| 53 | extern struct plat_smp_ops up_smp_ops; | ||
| 54 | extern struct plat_smp_ops vsmp_smp_ops; | ||
| 55 | |||
| 56 | #endif /* __ASM_SMP_OPS_H */ | ||
diff --git a/include/asm-mips/smp.h b/include/asm-mips/smp.h index 23265879cee9..84fef1aeec0c 100644 --- a/include/asm-mips/smp.h +++ b/include/asm-mips/smp.h | |||
| @@ -11,14 +11,13 @@ | |||
| 11 | #ifndef __ASM_SMP_H | 11 | #ifndef __ASM_SMP_H |
| 12 | #define __ASM_SMP_H | 12 | #define __ASM_SMP_H |
| 13 | 13 | ||
| 14 | |||
| 15 | #ifdef CONFIG_SMP | ||
| 16 | |||
| 17 | #include <linux/bitops.h> | 14 | #include <linux/bitops.h> |
| 18 | #include <linux/linkage.h> | 15 | #include <linux/linkage.h> |
| 19 | #include <linux/threads.h> | 16 | #include <linux/threads.h> |
| 20 | #include <linux/cpumask.h> | 17 | #include <linux/cpumask.h> |
| 18 | |||
| 21 | #include <asm/atomic.h> | 19 | #include <asm/atomic.h> |
| 20 | #include <asm/smp-ops.h> | ||
| 22 | 21 | ||
| 23 | extern int smp_num_siblings; | 22 | extern int smp_num_siblings; |
| 24 | extern cpumask_t cpu_sibling_map[]; | 23 | extern cpumask_t cpu_sibling_map[]; |
| @@ -52,56 +51,6 @@ extern struct call_data_struct *call_data; | |||
| 52 | extern cpumask_t phys_cpu_present_map; | 51 | extern cpumask_t phys_cpu_present_map; |
| 53 | #define cpu_possible_map phys_cpu_present_map | 52 | #define cpu_possible_map phys_cpu_present_map |
| 54 | 53 | ||
| 55 | /* | ||
| 56 | * These are defined by the board-specific code. | ||
| 57 | */ | ||
| 58 | |||
| 59 | /* | ||
| 60 | * Cause the function described by call_data to be executed on the passed | ||
| 61 | * cpu. When the function has finished, increment the finished field of | ||
| 62 | * call_data. | ||
| 63 | */ | ||
| 64 | extern void core_send_ipi(int cpu, unsigned int action); | ||
| 65 | |||
| 66 | static inline void core_send_ipi_mask(cpumask_t mask, unsigned int action) | ||
| 67 | { | ||
| 68 | unsigned int i; | ||
| 69 | |||
| 70 | for_each_cpu_mask(i, mask) | ||
| 71 | core_send_ipi(i, action); | ||
| 72 | } | ||
| 73 | |||
| 74 | |||
| 75 | /* | ||
| 76 | * Firmware CPU startup hook | ||
| 77 | */ | ||
| 78 | extern void prom_boot_secondary(int cpu, struct task_struct *idle); | ||
| 79 | |||
| 80 | /* | ||
| 81 | * After we've done initial boot, this function is called to allow the | ||
| 82 | * board code to clean up state, if needed | ||
| 83 | */ | ||
| 84 | extern void prom_init_secondary(void); | ||
| 85 | |||
| 86 | /* | ||
| 87 | * Populate cpu_possible_map before smp_init, called from setup_arch. | ||
| 88 | */ | ||
| 89 | extern void plat_smp_setup(void); | ||
| 90 | |||
| 91 | /* | ||
| 92 | * Called in smp_prepare_cpus. | ||
| 93 | */ | ||
| 94 | extern void plat_prepare_cpus(unsigned int max_cpus); | ||
| 95 | |||
| 96 | /* | ||
| 97 | * Last chance for the board code to finish SMP initialization before | ||
| 98 | * the CPU is "online". | ||
| 99 | */ | ||
| 100 | extern void prom_smp_finish(void); | ||
| 101 | |||
| 102 | /* Hook for after all CPUs are online */ | ||
| 103 | extern void prom_cpus_done(void); | ||
| 104 | |||
| 105 | extern void asmlinkage smp_bootstrap(void); | 54 | extern void asmlinkage smp_bootstrap(void); |
| 106 | 55 | ||
| 107 | /* | 56 | /* |
| @@ -111,11 +60,11 @@ extern void asmlinkage smp_bootstrap(void); | |||
| 111 | */ | 60 | */ |
| 112 | static inline void smp_send_reschedule(int cpu) | 61 | static inline void smp_send_reschedule(int cpu) |
| 113 | { | 62 | { |
| 114 | core_send_ipi(cpu, SMP_RESCHEDULE_YOURSELF); | 63 | extern struct plat_smp_ops *mp_ops; /* private */ |
| 64 | |||
| 65 | mp_ops->send_ipi_single(cpu, SMP_RESCHEDULE_YOURSELF); | ||
| 115 | } | 66 | } |
| 116 | 67 | ||
| 117 | extern asmlinkage void smp_call_function_interrupt(void); | 68 | extern asmlinkage void smp_call_function_interrupt(void); |
| 118 | 69 | ||
| 119 | #endif /* CONFIG_SMP */ | ||
| 120 | |||
| 121 | #endif /* __ASM_SMP_H */ | 70 | #endif /* __ASM_SMP_H */ |
