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| author | Duncan Laurie <dlaurie@chromium.org> | 2014-07-31 10:46:57 -0700 |
|---|---|---|
| committer | Marc Jones <marc.jones@se-eng.com> | 2015-03-27 05:38:37 +0100 |
| commit | 84b9cf4756ff5cda10d4683c5957b6748c3ca377 (patch) | |
| tree | 77d3ed3211142c2bb56b28087c53a330ca7dcd0f /src/soc/intel/broadwell/systemagent.c | |
| parent | 7b24df41608830bb6368179685e4d92f13a2f505 (diff) | |
| download | coreboot-84b9cf4756ff5cda10d4683c5957b6748c3ca377.tar.gz coreboot-84b9cf4756ff5cda10d4683c5957b6748c3ca377.tar.bz2 coreboot-84b9cf4756ff5cda10d4683c5957b6748c3ca377.zip | |
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.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/soc/intel/broadwell/systemagent.c b/src/soc/intel/broadwell/systemagent.c index ac021fb9efb0..0488ccbe4cf9 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; |