7 May 2012 19:39
[Patch v2 4/4] powerpc/mpc85xx: Fix Handling the lack of L2 cache on P2040/P2040E
York Sun <yorksun <at> freescale.com>
2012-05-07 17:39:53 GMT
2012-05-07 17:39:53 GMT
Fix SVR checking for commit acf3f8da. Signed-off-by: York Sun <yorksun <at> freescale.com> --- Change since v1: No change arch/powerpc/cpu/mpc85xx/release.S | 11 ++++------- 1 files changed, 4 insertions(+), 7 deletions(-) diff --git a/arch/powerpc/cpu/mpc85xx/release.S b/arch/powerpc/cpu/mpc85xx/release.S index 36c79d3..1860684 100644 --- a/arch/powerpc/cpu/mpc85xx/release.S +++ b/arch/powerpc/cpu/mpc85xx/release.S <at> <at> -171,15 +171,12 <at> <at> __secondary_start_page: #ifdef CONFIG_BACKSIDE_L2_CACHE /* skip L2 setup on P2040/P2040E as they have no L2 */ - mfspr r2,SPRN_SVR + mfspr r3,SPRN_SVR + rlwinm r6,r3,24,~0x800 /* clear E bit of SVR */ + lis r3,SVR_P2040 <at> h ori r3,r3,SVR_P2040 <at> l - cmpw r2,r3 - beq 3f - - lis r3,SVR_P2040_E <at> h - ori r3,r3,SVR_P2040_E <at> l - cmpw r2,r3 + cmpw r6,r3 beq 3f /* Enable/invalidate the L2 cache */ -- -- 1.7.0.4
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