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MIPS: CPS: Initialize EVA before bringing up VPEs from secondary cores 

The CPS code is doing several memory loads when configuring the VPEs
from secondary cores, so the segmentation control registers must be
initialized in time otherwise the kernel will crash with strange
TLB exceptions.

Reviewed-by: Paul Burton <paul.burton@imgtec.com>
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Patchwork: http://patchwork.linux-mips.org/patch/7424/
Signed-off-by: James Hogan <james.hogan@imgtec.com>
This commit is contained in:
Markos Chandras 2014-07-21 14:35:56 +01:00 committed by Ralf Baechle
parent ca4d24f795
commit 6521d9a436
1 changed files with 4 additions and 0 deletions
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4
arch/mips/kernel/cps-vec.S
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@ -13,6 +13,7 @@
#include <asm/asm-offsets.h>
#include <asm/asmmacro.h>
#include <asm/cacheops.h>
#include <asm/eva.h>
#include <asm/mipsregs.h>
#include <asm/mipsmtregs.h>
#include <asm/pm.h>
@ -166,6 +167,9 @@ dcache_done:
1: jal mips_cps_core_init
nop
/* Do any EVA initialization if necessary */
eva_init
/*
* Boot any other VPEs within this core that should be online, and
* deactivate this VPE if it should be offline.