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authorDuncan Laurie <dlaurie@chromium.org>2014-07-31 10:46:57 -0700
committerMarc Jones <marc.jones@se-eng.com>2015-03-27 05:38:37 +0100
commit84b9cf4756ff5cda10d4683c5957b6748c3ca377 (patch)
tree77d3ed3211142c2bb56b28087c53a330ca7dcd0f /src/soc/intel/broadwell/systemagent.c
parent7b24df41608830bb6368179685e4d92f13a2f505 (diff)
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>
Diffstat (limited to 'src/soc/intel/broadwell/systemagent.c')
-rw-r--r--src/soc/intel/broadwell/systemagent.c5
1 files changed, 5 insertions, 0 deletions
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;