From 84b9cf4756ff5cda10d4683c5957b6748c3ca377 Mon Sep 17 00:00:00 2001
From: Duncan Laurie <dlaurie@chromium.org>
Date: Thu, 31 Jul 2014 10:46:57 -0700
Subject: broadwell: Tweak GFXPAUSE settings based on revision

Changes from 2.1.0 reference code release.

BUG=chrome-os-partner:28234
BRANCH=None
TEST=build and boot on samus

Original-Change-Id: I6110a9bdb2973f1a134d8105c37659bf43f61d34
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/210607
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
(cherry picked from commit ef660ddc6c17a003f06b8995e821c7642c49a56e)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>

Change-Id: Ibb41cd7369cfc7b9b86b61460650a56415b3d8fb
Reviewed-on: http://review.coreboot.org/8949
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
---
 src/soc/intel/broadwell/systemagent.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/soc/intel/broadwell/systemagent.c')

diff --git a/src/soc/intel/broadwell/systemagent.c b/src/soc/intel/broadwell/systemagent.c
index ac021fb9ef..0488ccbe4c 100644
--- a/src/soc/intel/broadwell/systemagent.c
+++ b/src/soc/intel/broadwell/systemagent.c
@@ -36,6 +36,11 @@
 #include <broadwell/ramstage.h>
 #include <broadwell/systemagent.h>
 
+u8 systemagent_revision(void)
+{
+	return pci_read_config8(SA_DEV_ROOT, PCI_REVISION_ID);
+}
+
 static int get_pcie_bar(device_t dev, unsigned int index, u32 *base, u32 *len)
 {
 	u32 pciexbar_reg;
-- 
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