e7d93889d7
Enhance BMIPS support so SMP kernels work on older chips. Signed-off-by: Jonas Gorski <jogo@openwrt.org> SVN-Revision: 37099
37 lines
1.3 KiB
Diff
37 lines
1.3 KiB
Diff
From 971b8b3d5101b3bb868e63f3eb96fe69b7110c61 Mon Sep 17 00:00:00 2001
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From: Jonas Gorski <jogo@openwrt.org>
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Date: Thu, 27 Jun 2013 12:40:15 +0200
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Subject: [PATCH 03/10] MIPS: bmips: add macros for testing the current bmips
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CPU
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Makes it easy to make code conditionally compiled for supported CPUs
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without directly relying on #ifdefs.
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Signed-off-by: Jonas Gorski <jogo@openwrt.org>
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---
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arch/mips/include/asm/bmips.h | 11 +++++++++++
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1 file changed, 11 insertions(+)
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--- a/arch/mips/include/asm/bmips.h
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+++ b/arch/mips/include/asm/bmips.h
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@@ -45,8 +45,19 @@
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#if !defined(__ASSEMBLY__)
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#include <linux/cpumask.h>
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+#include <asm/cpu-features.h>
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#include <asm/r4kcache.h>
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+#define cpu_is_bmips32() (current_cpu_type() == CPU_BMIPS32)
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+#define cpu_is_bmips3300() (IS_ENABLED(CONFIG_CPU_BMIPS3300) && \
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+ current_cpu_type() == CPU_BMIPS3300)
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+#define cpu_is_bmips4350() (IS_ENABLED(CONFIG_CPU_BMIPS4350) && \
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+ current_cpu_type() == CPU_BMIPS4350)
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+#define cpu_is_bmips4380() (IS_ENABLED(CONFIG_CPU_BMIPS4380) && \
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+ current_cpu_type() == CPU_BMIPS4380)
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+#define cpu_is_bmips5000() (IS_ENABLED(CONFIG_CPU_BMIPS5000) && \
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+ current_cpu_type() == CPU_BMIPS5000)
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+
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extern struct plat_smp_ops bmips_smp_ops;
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extern char bmips_reset_nmi_vec;
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extern char bmips_reset_nmi_vec_end;
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