2b12b5c4ff
This patch adds Samsung S5PV310/S5PC210 CPU support. The S5PV310/S5PC210 integrates a ARM Cortex A9 multi-core. Signed-off-by: Changhwan Youn <chaos.youn@samsung.com> Signed-off-by: Jongpill Lee <boyko.lee@samsung.com> Signed-off-by: Jiseong Oh <jiseong.oh@samsung.com> [kgene.kim@samsung.com: fix build errors] Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
30 lines
544 B
C
30 lines
544 B
C
/* linux/arch/arm/mach-s5pv310/include/mach/smp.h
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*
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* Cloned from arch/arm/mach-realview/include/mach/smp.h
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*/
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#ifndef ASM_ARCH_SMP_H
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#define ASM_ARCH_SMP_H __FILE__
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#include <asm/hardware/gic.h>
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extern void __iomem *gic_cpu_base_addr;
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#define hard_smp_processor_id() \
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({ \
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unsigned int cpunum; \
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__asm__("mrc p15, 0, %0, c0, c0, 5" \
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: "=r" (cpunum)); \
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cpunum &= 0x03; \
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})
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/*
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* We use IRQ1 as the IPI
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*/
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static inline void smp_cross_call(const struct cpumask *mask)
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{
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gic_raise_softirq(mask, 1);
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}
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#endif
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