From 3a88f18bc7386abaaceedca9b327806d85734f67 Mon Sep 17 00:00:00 2001
From: Brian Bakke <bbakke@us.ibm.com>
Date: Fri, 17 Nov 2017 10:51:24 -0600
Subject: Enable ATTN prior to OPAL handoff

Change-Id: Iadfded90c09b149948348ee462ab34f9c2431982
RTC: 182134
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/49865
Reviewed-by: Matt Derksen <mderkse1@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
---
 src/include/arch/ppc.H | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/include/arch/ppc.H')

diff --git a/src/include/arch/ppc.H b/src/include/arch/ppc.H
index a4c3afbed..36b514f04 100644
--- a/src/include/arch/ppc.H
+++ b/src/include/arch/ppc.H
@@ -363,6 +363,13 @@ inline uint64_t getHID()
     return hid;
 }
 
+ALWAYS_INLINE
+inline void setHID(uint64_t _hid)
+{
+    register uint64_t hid = _hid;
+    asm volatile("mtspr 1008, %0; isync" :: "r" (hid));
+}
+
 ALWAYS_INLINE
 inline size_t getCacheLineBytes()
 {
-- 
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