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Commit 6521d9a4 authored by Markos Chandras's avatar Markos Chandras Committed by Ralf Baechle
Browse files

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: default avatarPaul Burton <paul.burton@imgtec.com>
Signed-off-by: default avatarMarkos Chandras <markos.chandras@imgtec.com>
Patchwork: http://patchwork.linux-mips.org/patch/7424/


Signed-off-by: default avatarJames Hogan <james.hogan@imgtec.com>
parent ca4d24f7

arch/mips/kernel/cps-vec.S

+4 −0
Original line number Diff line number Diff line
@@ -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.