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powerpc/mpc85xx: Add CPU hotplug support for E6500

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Support Freescale E6500 core-based platforms, like t4240.
Support disabling/enabling individual CPU thread dynamically.

Signed-off-by: Chenhui Zhao <chenhui.zhao@freescale.com>
This commit is contained in:
chenhui zhao
2015-11-20 17:14:02 +08:00
committed by Scott Wood
parent 2f4f1f815b
commit 6becef7ea0
4 changed files with 124 additions and 31 deletions
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6
arch/powerpc/include/asm/cputhreads.h
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@@ -1,6 +1,7 @@
#ifndef _ASM_POWERPC_CPUTHREADS_H
#define _ASM_POWERPC_CPUTHREADS_H
#ifndef __ASSEMBLY__
#include <linux/cpumask.h>
/*
@@ -103,7 +104,12 @@ static inline u32 get_tensr(void)
return 1;
}
void book3e_start_thread(int thread, unsigned long addr);
void book3e_stop_thread(int thread);
#endif /* __ASSEMBLY__ */
#define INVALID_THREAD_HWID 0x0fff
#endif /* _ASM_POWERPC_CPUTHREADS_H */