[MIPS] SMP: Call platform methods via ops structure.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

3 files changed, 61 insertions, 58 deletions

diff --git a/include/asm-mips/sibyte/sb1250.h b/include/asm-mips/sibyte/sb1250.h
index 0dad844a3b5..80c1a052662 100644
--- a/include/asm-mips/sibyte/sb1250.h
+++ b/include/asm-mips/sibyte/sb1250.h
@@ -48,12 +48,10 @@ extern unsigned int zbbus_mhz;
 extern void sb1250_time_init(void);
 extern void sb1250_mask_irq(int cpu, int irq);
 extern void sb1250_unmask_irq(int cpu, int irq);
-extern void sb1250_smp_finish(void);
 
 extern void bcm1480_time_init(void);
 extern void bcm1480_mask_irq(int cpu, int irq);
 extern void bcm1480_unmask_irq(int cpu, int irq);
-extern void bcm1480_smp_finish(void);
 
 #define AT_spin \
 	__asm__ __volatile__ (		\
diff --git a/include/asm-mips/smp-ops.h b/include/asm-mips/smp-ops.h
new file mode 100644
index 00000000000..b17fdfb5d81
--- /dev/null
+++ b/include/asm-mips/smp-ops.h
@@ -0,0 +1,56 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License.  See the file "COPYING" in the main directory of this
+ * archive for more details.
+ *
+ * Copyright (C) 2000 - 2001 by Kanoj Sarcar (kanoj@sgi.com)
+ * Copyright (C) 2000 - 2001 by Silicon Graphics, Inc.
+ * Copyright (C) 2000, 2001, 2002 Ralf Baechle
+ * Copyright (C) 2000, 2001 Broadcom Corporation
+ */
+#ifndef __ASM_SMP_OPS_H
+#define __ASM_SMP_OPS_H
+
+#ifdef CONFIG_SMP
+
+#include <linux/cpumask.h>
+
+struct plat_smp_ops {
+	void (*send_ipi_single)(int cpu, unsigned int action);
+	void (*send_ipi_mask)(cpumask_t mask, unsigned int action);
+	void (*init_secondary)(void);
+	void (*smp_finish)(void);
+	void (*cpus_done)(void);
+	void (*boot_secondary)(int cpu, struct task_struct *idle);
+	void (*smp_setup)(void);
+	void (*prepare_cpus)(unsigned int max_cpus);
+};
+
+extern void register_smp_ops(struct plat_smp_ops *ops);
+
+static inline void plat_smp_setup(void)
+{
+	extern struct plat_smp_ops *mp_ops;	/* private */
+
+	mp_ops->smp_setup();
+}
+
+#else /* !CONFIG_SMP */
+
+struct plat_smp_ops;
+
+static inline void plat_smp_setup(void)
+{
+	/* UP, nothing to do ...  */
+}
+
+static inline void register_smp_ops(struct plat_smp_ops *ops)
+{
+}
+
+#endif /* !CONFIG_SMP */
+
+extern struct plat_smp_ops up_smp_ops;
+extern struct plat_smp_ops vsmp_smp_ops;
+
+#endif /* __ASM_SMP_OPS_H */
diff --git a/include/asm-mips/smp.h b/include/asm-mips/smp.h
index 23265879cee..84fef1aeec0 100644
--- a/include/asm-mips/smp.h
+++ b/include/asm-mips/smp.h
@@ -11,14 +11,13 @@
 #ifndef __ASM_SMP_H
 #define __ASM_SMP_H
 
-
-#ifdef CONFIG_SMP
-
 #include <linux/bitops.h>
 #include <linux/linkage.h>
 #include <linux/threads.h>
 #include <linux/cpumask.h>
+
 #include <asm/atomic.h>
+#include <asm/smp-ops.h>
 
 extern int smp_num_siblings;
 extern cpumask_t cpu_sibling_map[];
@@ -52,56 +51,6 @@ extern struct call_data_struct *call_data;
 extern cpumask_t phys_cpu_present_map;
 #define cpu_possible_map	phys_cpu_present_map
 
-/*
- * These are defined by the board-specific code.
- */
-
-/*
- * Cause the function described by call_data to be executed on the passed
- * cpu.  When the function has finished, increment the finished field of
- * call_data.
- */
-extern void core_send_ipi(int cpu, unsigned int action);
-
-static inline void core_send_ipi_mask(cpumask_t mask, unsigned int action)
-{
-	unsigned int i;
-
-	for_each_cpu_mask(i, mask)
-		core_send_ipi(i, action);
-}
-
-
-/*
- * Firmware CPU startup hook
- */
-extern void prom_boot_secondary(int cpu, struct task_struct *idle);
-
-/*
- *  After we've done initial boot, this function is called to allow the
- *  board code to clean up state, if needed
- */
-extern void prom_init_secondary(void);
-
-/*
- * Populate cpu_possible_map before smp_init, called from setup_arch.
- */
-extern void plat_smp_setup(void);
-
-/*
- * Called in smp_prepare_cpus.
- */
-extern void plat_prepare_cpus(unsigned int max_cpus);
-
-/*
- * Last chance for the board code to finish SMP initialization before
- * the CPU is "online".
- */
-extern void prom_smp_finish(void);
-
-/* Hook for after all CPUs are online */
-extern void prom_cpus_done(void);
-
 extern void asmlinkage smp_bootstrap(void);
 
 /*
@@ -111,11 +60,11 @@ extern void asmlinkage smp_bootstrap(void);
  */
 static inline void smp_send_reschedule(int cpu)
 {
-	core_send_ipi(cpu, SMP_RESCHEDULE_YOURSELF);
+	extern struct plat_smp_ops *mp_ops;	/* private */
+
+	mp_ops->send_ipi_single(cpu, SMP_RESCHEDULE_YOURSELF);
 }
 
 extern asmlinkage void smp_call_function_interrupt(void);
 
-#endif /* CONFIG_SMP */
-
 #endif /* __ASM_SMP_H */