Commit 33b68665 authored Apr 14, 2014 by Paul Burton

MIPS: smp-cps: set a coherent default CCA



This patch sets a default CCA suited for use with multi-core SMP on all
current MIPS CPS based systems. It may still be overriden by the cca=
argument on the kernel command line.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>

parent 5c399f6e

arch/mips/kernel/smp-cps.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -76,6 +76,9 @@ static void __init cps_smp_setup(void)
		__cpu_logical_map[v] = v;
		}

		/* Set a coherent default CCA (CWB) */
		change_c0_config(CONF_CM_CMASK, 0x5);

		/* Core 0 is powered up (we're running on it) */
		bitmap_set(core_power, 0, 1);

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