From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Michael Neuling To: Benjamin Herrenschmidt Subject: [PATCH 2/2] powerpc: Setup in HFSCR for POWER8 Date: Wed, 6 Mar 2013 13:15:14 +1100 Message-Id: <1362536114-9658-3-git-send-email-mikey@neuling.org> In-Reply-To: <1362536114-9658-1-git-send-email-mikey@neuling.org> References: <1362536114-9658-1-git-send-email-mikey@neuling.org> Cc: Michael Neuling , linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Setup the HFSCR (Hypervisor Facility Status and Control Register) for POWER8 when running HV=1. The HFSCR is the same as the FSCR except but for hypervisors. This patch sets the facilities Linux knows about incase the firmware doesn't. Signed-off-by: Michael Neuling --- arch/powerpc/kernel/cpu_setup_power.S | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/powerpc/kernel/cpu_setup_power.S b/arch/powerpc/kernel/cpu_setup_power.S index ea847ab..2e6ad11 100644 --- a/arch/powerpc/kernel/cpu_setup_power.S +++ b/arch/powerpc/kernel/cpu_setup_power.S @@ -57,6 +57,7 @@ _GLOBAL(__setup_cpu_power8) mfspr r3,SPRN_LPCR oris r3, r3, LPCR_AIL_3@h bl __init_LPCR + bl __init_HFSCR bl __init_TLB mtlr r11 blr @@ -72,6 +73,7 @@ _GLOBAL(__restore_cpu_power8) mfspr r3,SPRN_LPCR oris r3, r3, LPCR_AIL_3@h bl __init_LPCR + bl __init_HFSCR bl __init_TLB mtlr r11 blr @@ -120,6 +122,12 @@ __init_FSCR: mtspr SPRN_FSCR,r3 blr +__init_HFSCR: + mfspr r3,SPRN_HFSCR + ori r3,r3,HFSCR_TAR|HFSCR_TM|HFSCR_DSCR|HFSCR_VECVSX|HFSCR_FP + mtspr SPRN_HFSCR,r3 + blr + __init_TLB: /* Clear the TLB */ li r6,128 -- 1.7.10.4