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MIPS: smp-cps: set a coherent default CCA

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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>
This commit is contained in:
Paul Burton 2014-04-14 15:58:45 +01:00
parent 5c399f6eb2
commit 33b6866568
1 changed files with 3 additions and 0 deletions
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3
arch/mips/kernel/smp-cps.c
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@ -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);