78 lines
2 KiB
Diff
78 lines
2 KiB
Diff
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From 0b135a3e8f344061ed0aa66e2514627dd7aa946f Mon Sep 17 00:00:00 2001
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From: Jonas Gorski <jogo@openwrt.org>
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Date: Sun, 23 Jun 2013 14:04:51 +0200
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Subject: [PATCH V2 08/13] MIPS: BMIPS: add a smp ops registration helper
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Add a helper similar to the generic register_XXX_smp_ops() for bmips.
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Register SMP UP ops in case of BMIPS32/3300.
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Signed-off-by: Jonas Gorski <jogo@openwrt.org>
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---
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V1 -> V2:
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* use SMP_UP (ops) in case of BMIPS32_3300
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arch/mips/Kconfig | 1 +
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arch/mips/bcm63xx/prom.c | 2 +-
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arch/mips/include/asm/bmips.h | 26 ++++++++++++++++++++++++++
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3 files changed, 28 insertions(+), 1 deletion(-)
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--- a/arch/mips/Kconfig
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+++ b/arch/mips/Kconfig
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@@ -1551,6 +1551,7 @@ config CPU_LOONGSON1
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select CPU_SUPPORTS_HIGHMEM
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config CPU_BMIPS32_3300
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+ select SMP_UP if SMP
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bool
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config CPU_BMIPS4350
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--- a/arch/mips/bcm63xx/prom.c
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+++ b/arch/mips/bcm63xx/prom.c
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@@ -61,7 +61,7 @@ void __init prom_init(void)
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if (IS_ENABLED(CONFIG_CPU_BMIPS4350) && IS_ENABLED(CONFIG_SMP)) {
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/* set up SMP */
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- register_smp_ops(&bmips43xx_smp_ops);
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+ register_bmips_smp_ops();
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/*
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* BCM6328 might not have its second CPU enabled, while BCM3368
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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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@@ -46,9 +46,35 @@
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#include <linux/cpumask.h>
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#include <asm/r4kcache.h>
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+#include <asm/smp-ops.h>
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extern struct plat_smp_ops bmips43xx_smp_ops;
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extern struct plat_smp_ops bmips5000_smp_ops;
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+
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+static inline int register_bmips_smp_ops(void)
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+{
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+#if IS_ENABLED(CONFIG_CPU_BMIPS) && IS_ENABLED(CONFIG_SMP)
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+ switch (current_cpu_type()) {
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+ case CPU_BMIPS32:
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+ case CPU_BMIPS3300:
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+ return register_up_smp_ops();
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+ case CPU_BMIPS4350:
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+ case CPU_BMIPS4380:
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+ register_smp_ops(&bmips43xx_smp_ops);
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+ break;
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+ case CPU_BMIPS5000:
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+ register_smp_ops(&bmips5000_smp_ops);
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+ break;
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+ default:
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+ return -ENODEV;
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+ }
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+
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+ return 0;
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+#else
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+ return -ENODEV;
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+#endif
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+}
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+
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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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extern char bmips_smp_movevec;
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